chore(snapshot): normalize file permissions

chore(snapshot): sync frontend workspace state
2026-03-29 13:14:52 +02:00 · 2026-03-29 13:14:30 +02:00
58 changed files with 8081 additions and 5382 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -1,15 +1,7 @@
-# Secrets (never commit)
-tokens/*
-!tokens/*.example.json
-!tokens/*.example.yml
-!tokens/*.example.yaml
-gitea/token
-
 node_modules/
 dist/
 .env
 *.log
-
-# Local scratch / build output
-_tmp/
-apps/visualizer/dist/
+tokens/*.json
+tokens/*.yml
+tokens/*.yaml
--- a/README.md
+++ b/README.md
@@ -12,21 +12,6 @@ npm ci
 npm run dev
 ```

-### Dev z backendem na VPS (staging)
-
-Najprościej: trzymaj `VITE_API_URL=/api` i podepnij Vite proxy do VPS (żeby nie bawić się w CORS i nie wkładać tokena do przeglądarki):
-
-```bash
-cd apps/visualizer
-API_PROXY_TARGET=https://trade.mpabi.pl \
-npm run dev
-```
-
-Vite proxy’uje wtedy: `/api/*`, `/whoami`, `/auth/*`, `/logout` do VPS. Dodatkowo w dev usuwa `Secure` z `Set-Cookie`, żeby sesja działała na `http://localhost:5173`.
-
-Jeśli staging jest dodatkowo chroniony basic auth (np. Traefik `basicAuth`), ustaw:
-`API_PROXY_BASIC_AUTH='USER:PASS'` albo `API_PROXY_BASIC_AUTH_FILE=tokens/frontend.json` (pola `username`/`password`).
-
 ## Docker

 ```bash
--- a/apps/visualizer/__r
+++ b/apps/visualizer/__r
@@ -0,0 +1,112 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+SSH_TUNNEL_TARGET="${SSH_TUNNEL_TARGET:-mevnode_bot}"
+K8S_NAMESPACE="${K8S_NAMESPACE:-trade-staging}"
+
+SSH_FRONTEND_LOCAL_PORT="${SSH_FRONTEND_LOCAL_PORT:-13081}"
+SSH_HASURA_LOCAL_PORT="${SSH_HASURA_LOCAL_PORT:-18080}"
+
+SSH_FRONTEND_REMOTE_HOST="${SSH_FRONTEND_REMOTE_HOST:-127.0.0.1}"
+SSH_FRONTEND_REMOTE_PORT="${SSH_FRONTEND_REMOTE_PORT:-30081}"
+SSH_HASURA_REMOTE_PORT="${SSH_HASURA_REMOTE_PORT:-8080}"
+
+VITE_DEV_PORT="${VITE_DEV_PORT:-5174}"
+
+SSH_PID=""
+
+require_cmd() {
+  if ! command -v "$1" >/dev/null 2>&1; then
+    echo "Missing required command: $1" >&2
+    exit 1
+  fi
+}
+
+wait_for_listen() {
+  local port="$1"
+  local label="$2"
+  local tries="${3:-80}"
+  local delay="${4:-0.25}"
+  local i
+
+  for ((i = 0; i < tries; i += 1)); do
+    if ss -ltnH | awk '{print $4}' | grep -Eq "(^|[:])${port}$"; then
+      return 0
+    fi
+    sleep "${delay}"
+  done
+
+  echo "Timed out waiting for ${label} on port ${port}" >&2
+  return 1
+}
+
+get_cluster_ip() {
+  local service="$1"
+  ssh \
+    -o BatchMode=yes \
+    -o StrictHostKeyChecking=accept-new \
+    -T "${SSH_TUNNEL_TARGET}" \
+    "kubectl -n ${K8S_NAMESPACE} get svc ${service} -o jsonpath='{.spec.clusterIP}'"
+}
+
+cleanup() {
+  local code=$?
+  trap - EXIT INT TERM
+
+  if [[ -n "${SSH_PID}" ]] && kill -0 "${SSH_PID}" 2>/dev/null; then
+    kill "${SSH_PID}" 2>/dev/null || true
+    wait "${SSH_PID}" 2>/dev/null || true
+  fi
+
+  exit "${code}"
+}
+
+trap cleanup EXIT INT TERM
+
+require_cmd ssh
+require_cmd npm
+require_cmd ss
+
+HASURA_CLUSTER_IP="${HASURA_CLUSTER_IP:-$(get_cluster_ip hasura)}"
+
+if [[ -z "${HASURA_CLUSTER_IP}" ]]; then
+  echo "Could not resolve ClusterIP for hasura in namespace ${K8S_NAMESPACE}" >&2
+  exit 1
+fi
+
+echo "SSH target: ${SSH_TUNNEL_TARGET}"
+echo "Namespace: ${K8S_NAMESPACE}"
+echo "hasura ClusterIP: ${HASURA_CLUSTER_IP}"
+
+echo "Starting SSH tunnel..."
+ssh \
+  -o StrictHostKeyChecking=accept-new \
+  -o ExitOnForwardFailure=yes \
+  -o ServerAliveInterval=30 \
+  -o ServerAliveCountMax=3 \
+  -N \
+  -L "${SSH_FRONTEND_LOCAL_PORT}:${SSH_FRONTEND_REMOTE_HOST}:${SSH_FRONTEND_REMOTE_PORT}" \
+  -L "${SSH_HASURA_LOCAL_PORT}:${HASURA_CLUSTER_IP}:${SSH_HASURA_REMOTE_PORT}" \
+  "${SSH_TUNNEL_TARGET}" &
+SSH_PID=$!
+
+wait_for_listen "${SSH_FRONTEND_LOCAL_PORT}" "frontend SSH tunnel"
+wait_for_listen "${SSH_HASURA_LOCAL_PORT}" "Hasura SSH tunnel"
+
+echo "Starting Vite on :${VITE_DEV_PORT}..."
+cd "${SCRIPT_DIR}"
+
+export VITE_DEV_PORT
+export VITE_HASURA_URL="${VITE_HASURA_URL:-/graphql}"
+export VITE_HASURA_WS_URL="${VITE_HASURA_WS_URL:-ws://127.0.0.1:${SSH_HASURA_LOCAL_PORT}/v1/graphql}"
+export FRONTEND_PROXY_TARGET="${FRONTEND_PROXY_TARGET:-http://127.0.0.1:${SSH_FRONTEND_LOCAL_PORT}}"
+export GRAPHQL_PROXY_TARGET="${GRAPHQL_PROXY_TARGET:-http://127.0.0.1:${SSH_HASURA_LOCAL_PORT}}"
+export GRAPHQL_PROXY_PATH="${GRAPHQL_PROXY_PATH:-/v1/graphql}"
+
+echo "Frontend auth proxy: ${FRONTEND_PROXY_TARGET}"
+echo "GraphQL proxy: ${GRAPHQL_PROXY_TARGET}${GRAPHQL_PROXY_PATH}"
+echo "Open: http://localhost:${VITE_DEV_PORT}/"
+
+exec npm run dev
--- a/apps/visualizer/__start
+++ b/apps/visualizer/__start
@@ -6,17 +6,24 @@ ROOT_DIR="$(cd "${SCRIPT_DIR}/../.." && pwd)"

 cd "${SCRIPT_DIR}"

-DEFAULT_PROXY_TARGET="${VISUALIZER_PROXY_TARGET:-${TRADE_UI_URL:-${TRADE_VPS_URL:-https://trade.mpabi.pl}}}"
-export API_PROXY_TARGET="${API_PROXY_TARGET:-${DEFAULT_PROXY_TARGET}}"
-export GRAPHQL_PROXY_TARGET="${GRAPHQL_PROXY_TARGET:-${DEFAULT_PROXY_TARGET}}"
-export VITE_API_URL="${VITE_API_URL:-/api}"
+if [[ -n "${SSH_TUNNEL_PORT:-}" ]]; then
+  export FRONTEND_PROXY_TARGET="${FRONTEND_PROXY_TARGET:-http://127.0.0.1:${SSH_TUNNEL_PORT}}"
+  export GRAPHQL_PROXY_TARGET="${GRAPHQL_PROXY_TARGET:-http://127.0.0.1:${SSH_TUNNEL_PORT}}"
+else
+  export FRONTEND_PROXY_TARGET="${FRONTEND_PROXY_TARGET:-https://trade.mpabi.pl}"
+  export GRAPHQL_PROXY_TARGET="${GRAPHQL_PROXY_TARGET:-https://trade.mpabi.pl}"
+fi
+
 export VITE_HASURA_URL="${VITE_HASURA_URL:-/graphql}"
 export VITE_HASURA_WS_URL="${VITE_HASURA_WS_URL:-/graphql-ws}"

-# Safety: avoid passing stale auth env vars into Hasura WS unless explicitly enabled.
-if [[ "${VISUALIZER_USE_HASURA_AUTH:-}" != "1" ]]; then
-  unset VITE_HASURA_AUTH_TOKEN
-  unset VITE_HASURA_ADMIN_SECRET
+if [[ -z "${API_PROXY_BASIC_AUTH:-}" && -z "${API_PROXY_BASIC_AUTH_FILE:-}" ]]; then
+  if [[ -f "${ROOT_DIR}/tokens/frontend.json" ]]; then
+    export API_PROXY_BASIC_AUTH_FILE="tokens/frontend.json"
+  else
+    echo "Missing basic auth config for VPS proxy."
+    echo "Set API_PROXY_BASIC_AUTH='USER:PASS' or create tokens/frontend.json" >&2
+  fi
 fi

 npm run dev
--- a/apps/visualizer/diagram.html
+++ b/apps/visualizer/diagram.html
@@ -0,0 +1,12 @@
+<!doctype html>
+<html lang="pl">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Trade system diagram</title>
+  </head>
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/diagram-main.tsx"></script>
+  </body>
+</html>
--- a/apps/visualizer/package-lock.json
+++ b/apps/visualizer/package-lock.json
@@ -6,6 +6,7 @@
    "": {
      "name": "trade-visualizer",
      "dependencies": {
+        "@xyflow/react": "^12.8.5",
        "chart.js": "^4.4.1",
        "chartjs-adapter-luxon": "^1.3.1",
        "lightweight-charts": "^5.0.8",
@@ -1110,6 +1111,49 @@
        "@babel/types": "^7.28.2"
      }
    },
+    "node_modules/@types/d3-color": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/@types/d3-color/-/d3-color-3.1.3.tgz",
+      "integrity": "sha512-iO90scth9WAbmgv7ogoq57O9YpKmFBbmoEoCHDB2xMBY0+/KVrqAaCDyCE16dUspeOvIxFFRI+0sEtqDqy2b4A=="
+    },
+    "node_modules/@types/d3-drag": {
+      "version": "3.0.7",
+      "resolved": "https://registry.npmjs.org/@types/d3-drag/-/d3-drag-3.0.7.tgz",
+      "integrity": "sha512-HE3jVKlzU9AaMazNufooRJ5ZpWmLIoc90A37WU2JMmeq28w1FQqCZswHZ3xR+SuxYftzHq6WU6KJHvqxKzTxxQ==",
+      "dependencies": {
+        "@types/d3-selection": "*"
+      }
+    },
+    "node_modules/@types/d3-interpolate": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/@types/d3-interpolate/-/d3-interpolate-3.0.4.tgz",
+      "integrity": "sha512-mgLPETlrpVV1YRJIglr4Ez47g7Yxjl1lj7YKsiMCb27VJH9W8NVM6Bb9d8kkpG/uAQS5AmbA48q2IAolKKo1MA==",
+      "dependencies": {
+        "@types/d3-color": "*"
+      }
+    },
+    "node_modules/@types/d3-selection": {
+      "version": "3.0.11",
+      "resolved": "https://registry.npmjs.org/@types/d3-selection/-/d3-selection-3.0.11.tgz",
+      "integrity": "sha512-bhAXu23DJWsrI45xafYpkQ4NtcKMwWnAC/vKrd2l+nxMFuvOT3XMYTIj2opv8vq8AO5Yh7Qac/nSeP/3zjTK0w=="
+    },
+    "node_modules/@types/d3-transition": {
+      "version": "3.0.9",
+      "resolved": "https://registry.npmjs.org/@types/d3-transition/-/d3-transition-3.0.9.tgz",
+      "integrity": "sha512-uZS5shfxzO3rGlu0cC3bjmMFKsXv+SmZZcgp0KD22ts4uGXp5EVYGzu/0YdwZeKmddhcAccYtREJKkPfXkZuCg==",
+      "dependencies": {
+        "@types/d3-selection": "*"
+      }
+    },
+    "node_modules/@types/d3-zoom": {
+      "version": "3.0.8",
+      "resolved": "https://registry.npmjs.org/@types/d3-zoom/-/d3-zoom-3.0.8.tgz",
+      "integrity": "sha512-iqMC4/YlFCSlO8+2Ii1GGGliCAY4XdeG748w5vQUbevlbDu0zSjH/+jojorQVBK/se0j6DUFNPBGSqD3YWYnDw==",
+      "dependencies": {
+        "@types/d3-interpolate": "*",
+        "@types/d3-selection": "*"
+      }
+    },
    "node_modules/@types/estree": {
      "version": "1.0.8",
      "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.8.tgz",
@@ -1121,14 +1165,14 @@
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      "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.15.tgz",
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-      "dev": true,
+      "devOptional": true,
      "license": "MIT"
    },
    "node_modules/@types/react": {
      "version": "18.3.27",
      "resolved": "https://registry.npmjs.org/@types/react/-/react-18.3.27.tgz",
      "integrity": "sha512-cisd7gxkzjBKU2GgdYrTdtQx1SORymWyaAFhaxQPK9bYO9ot3Y5OikQRvY0VYQtvwjeQnizCINJAenh/V7MK2w==",
-      "dev": true,
+      "devOptional": true,
      "license": "MIT",
      "dependencies": {
        "@types/prop-types": "*",
@@ -1166,6 +1210,36 @@
        "vite": "^4.2.0 || ^5.0.0 || ^6.0.0 || ^7.0.0"
      }
    },
+    "node_modules/@xyflow/react": {
+      "version": "12.10.1",
+      "resolved": "https://registry.npmjs.org/@xyflow/react/-/react-12.10.1.tgz",
+      "integrity": "sha512-5eSWtIK/+rkldOuFbOOz44CRgQRjtS9v5nufk77DV+XBnfCGL9HAQ8PG00o2ZYKqkEU/Ak6wrKC95Tu+2zuK3Q==",
+      "dependencies": {
+        "@xyflow/system": "0.0.75",
+        "classcat": "^5.0.3",
+        "zustand": "^4.4.0"
+      },
+      "peerDependencies": {
+        "react": ">=17",
+        "react-dom": ">=17"
+      }
+    },
+    "node_modules/@xyflow/system": {
+      "version": "0.0.75",
+      "resolved": "https://registry.npmjs.org/@xyflow/system/-/system-0.0.75.tgz",
+      "integrity": "sha512-iXs+AGFLi8w/VlAoc/iSxk+CxfT6o64Uw/k0CKASOPqjqz6E0rb5jFZgJtXGZCpfQI6OQpu5EnumP5fGxQheaQ==",
+      "dependencies": {
+        "@types/d3-drag": "^3.0.7",
+        "@types/d3-interpolate": "^3.0.4",
+        "@types/d3-selection": "^3.0.10",
+        "@types/d3-transition": "^3.0.8",
+        "@types/d3-zoom": "^3.0.8",
+        "d3-drag": "^3.0.0",
+        "d3-interpolate": "^3.0.1",
+        "d3-selection": "^3.0.0",
+        "d3-zoom": "^3.0.0"
+      }
+    },
    "node_modules/baseline-browser-mapping": {
      "version": "2.9.11",
      "resolved": "https://registry.npmjs.org/baseline-browser-mapping/-/baseline-browser-mapping-2.9.11.tgz",
@@ -1253,6 +1327,11 @@
        "luxon": ">=1.0.0"
      }
    },
+    "node_modules/classcat": {
+      "version": "5.0.5",
+      "resolved": "https://registry.npmjs.org/classcat/-/classcat-5.0.5.tgz",
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+    },
    "node_modules/convert-source-map": {
      "version": "2.0.0",
      "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-2.0.0.tgz",
@@ -1264,9 +1343,105 @@
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-      "dev": true,
+      "devOptional": true,
      "license": "MIT"
    },
+    "node_modules/d3-color": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-3.1.0.tgz",
+      "integrity": "sha512-zg/chbXyeBtMQ1LbD/WSoW2DpC3I0mpmPdW+ynRTj/x2DAWYrIY7qeZIHidozwV24m4iavr15lNwIwLxRmOxhA==",
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/d3-dispatch": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/d3-dispatch/-/d3-dispatch-3.0.1.tgz",
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+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/d3-drag": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/d3-drag/-/d3-drag-3.0.0.tgz",
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+      "dependencies": {
+        "d3-dispatch": "1 - 3",
+        "d3-selection": "3"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/d3-ease": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/d3-ease/-/d3-ease-3.0.1.tgz",
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+      "dependencies": {
+        "d3-color": "1 - 3"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/d3-selection": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/d3-selection/-/d3-selection-3.0.0.tgz",
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+      "engines": {
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+      }
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+    "node_modules/d3-timer": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/d3-timer/-/d3-timer-3.0.1.tgz",
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+      "engines": {
+        "node": ">=12"
+      }
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+      "dependencies": {
+        "d3-color": "1 - 3",
+        "d3-dispatch": "1 - 3",
+        "d3-ease": "1 - 3",
+        "d3-interpolate": "1 - 3",
+        "d3-timer": "1 - 3"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "peerDependencies": {
+        "d3-selection": "2 - 3"
+      }
+    },
+    "node_modules/d3-zoom": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/d3-zoom/-/d3-zoom-3.0.0.tgz",
+      "integrity": "sha512-b8AmV3kfQaqWAuacbPuNbL6vahnOJflOhexLzMMNLga62+/nh0JzvJ0aO/5a5MVgUFGS7Hu1P9P03o3fJkDCyw==",
+      "dependencies": {
+        "d3-dispatch": "1 - 3",
+        "d3-drag": "2 - 3",
+        "d3-interpolate": "1 - 3",
+        "d3-selection": "2 - 3",
+        "d3-transition": "2 - 3"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
    "node_modules/debug": {
      "version": "4.4.3",
      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
@@ -1664,6 +1839,14 @@
        "browserslist": ">= 4.21.0"
      }
    },
+    "node_modules/use-sync-external-store": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/use-sync-external-store/-/use-sync-external-store-1.6.0.tgz",
+      "integrity": "sha512-Pp6GSwGP/NrPIrxVFAIkOQeyw8lFenOHijQWkUTrDvrF4ALqylP2C/KCkeS9dpUM3KvYRQhna5vt7IL95+ZQ9w==",
+      "peerDependencies": {
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
+      }
+    },
    "node_modules/vite": {
      "version": "5.4.21",
      "resolved": "https://registry.npmjs.org/vite/-/vite-5.4.21.tgz",
@@ -1730,6 +1913,33 @@
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      "dev": true,
      "license": "ISC"
+    },
+    "node_modules/zustand": {
+      "version": "4.5.7",
+      "resolved": "https://registry.npmjs.org/zustand/-/zustand-4.5.7.tgz",
+      "integrity": "sha512-CHOUy7mu3lbD6o6LJLfllpjkzhHXSBlX8B9+qPddUsIfeF5S/UZ5q0kmCsnRqT1UHFQZchNFDDzMbQsuesHWlw==",
+      "dependencies": {
+        "use-sync-external-store": "^1.2.2"
+      },
+      "engines": {
+        "node": ">=12.7.0"
+      },
+      "peerDependencies": {
+        "@types/react": ">=16.8",
+        "immer": ">=9.0.6",
+        "react": ">=16.8"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "immer": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        }
+      }
    }
  }
 }
--- a/apps/visualizer/package.json
+++ b/apps/visualizer/package.json
@@ -8,6 +8,7 @@
    "preview": "vite preview"
  },
  "dependencies": {
+    "@xyflow/react": "^12.8.5",
    "chart.js": "^4.4.1",
    "chartjs-adapter-luxon": "^1.3.1",
    "lightweight-charts": "^5.0.8",
--- a/apps/visualizer/src/App.tsx
+++ b/apps/visualizer/src/App.tsx
--- a/apps/visualizer/src/diagram-main.tsx
+++ b/apps/visualizer/src/diagram-main.tsx
@@ -0,0 +1,11 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import '@xyflow/react/dist/style.css';
+import './diagram.css';
+import { TradeSystemFlowPage } from './diagram/TradeSystemFlowPage';
+
+ReactDOM.createRoot(document.getElementById('root')!).render(
+  <React.StrictMode>
+    <TradeSystemFlowPage />
+  </React.StrictMode>
+);
--- a/apps/visualizer/src/diagram.css
+++ b/apps/visualizer/src/diagram.css
@@ -0,0 +1,943 @@
+:root {
+  --rf-bg: #efe7db;
+  --rf-panel: rgba(255, 252, 246, 0.94);
+  --rf-card: #fffdf9;
+  --rf-ink: #1b1714;
+  --rf-muted: #625b52;
+  --rf-line: rgba(99, 91, 82, 0.18);
+  --rf-shadow: 0 24px 54px rgba(27, 23, 20, 0.12);
+}
+
+* {
+  box-sizing: border-box;
+}
+
+html,
+body,
+#root {
+  margin: 0;
+  width: 100%;
+  height: 100%;
+}
+
+body {
+  font-family: 'IBM Plex Sans', 'Segoe UI', sans-serif;
+  color: var(--rf-ink);
+  background:
+    radial-gradient(circle at top left, rgba(31, 111, 139, 0.14), transparent 26%),
+    radial-gradient(circle at top right, rgba(176, 79, 53, 0.14), transparent 24%),
+    linear-gradient(180deg, #f8f3eb 0%, var(--rf-bg) 100%);
+}
+
+.rfPage {
+  min-height: 100%;
+  padding: 16px;
+}
+
+.rfToolbar,
+.rfCanvas,
+.rfInspector {
+  background: var(--rf-panel);
+  border: 1px solid rgba(217, 204, 187, 0.92);
+  border-radius: 24px;
+  box-shadow: var(--rf-shadow);
+  backdrop-filter: blur(10px);
+}
+
+.rfToolbar {
+  min-height: 76px;
+  padding: 14px 18px;
+  display: grid;
+  grid-template-columns: minmax(260px, 340px) minmax(220px, auto) minmax(0, 1fr);
+  gap: 16px;
+  align-items: center;
+}
+
+.rfToolbar__eyebrow,
+.rfInspector__eyebrow,
+.rfCard__subtitle {
+  font-size: 12px;
+  font-weight: 800;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+  color: var(--rf-muted);
+}
+
+.rfToolbar__brand {
+  display: flex;
+  align-items: center;
+  gap: 14px;
+}
+
+.rfToolbar__mark {
+  width: 16px;
+  height: 16px;
+  border-radius: 5px;
+  background:
+    linear-gradient(135deg, #1f6f8b 0%, #1f6f8b 46%, #b04f35 46%, #b04f35 100%);
+  box-shadow: 0 0 0 4px rgba(31, 111, 139, 0.1);
+}
+
+.rfToolbar__copy {
+  min-width: 0;
+}
+
+.rfToolbar__title {
+  margin-top: 2px;
+  font-size: clamp(1.1rem, 1.3vw, 1.45rem);
+  font-weight: 800;
+  line-height: 1.05;
+  font-family: 'IBM Plex Serif', Georgia, serif;
+}
+
+.rfToolbar__summary,
+.rfInspector p,
+.rfCard__host,
+.rfCard__bullets,
+.rfSection li {
+  color: var(--rf-muted);
+  line-height: 1.5;
+}
+
+.rfInspector__metricGrid {
+  margin: 10px 0 4px;
+}
+
+.rfToolbar__summary {
+  margin-top: 3px;
+  font-size: 13px;
+}
+
+.rfFilters {
+  display: flex;
+  justify-content: center;
+  gap: 8px;
+  flex-wrap: wrap;
+}
+
+.rfHistoryWrap {
+  position: relative;
+}
+
+.rfFilter {
+  border: 1px solid rgba(99, 91, 82, 0.15);
+  border-radius: 999px;
+  background: #fffaf2;
+  color: var(--rf-ink);
+  font: inherit;
+  font-weight: 800;
+  padding: 9px 13px;
+  cursor: pointer;
+  transition: 140ms ease;
+}
+
+.rfFilter:hover,
+.rfFilter.isActive {
+  transform: translateY(-1px);
+  box-shadow: 0 12px 24px rgba(27, 23, 20, 0.08);
+}
+
+.rfFilter.isMeta {
+  cursor: default;
+}
+
+.rfFilter:disabled {
+  opacity: 0.44;
+  cursor: default;
+  transform: none;
+  box-shadow: none;
+}
+
+.rfHistoryPanel {
+  position: absolute;
+  top: calc(100% + 10px);
+  right: 0;
+  z-index: 24;
+  width: 340px;
+  max-height: 420px;
+  overflow: auto;
+  padding: 14px;
+  border: 1px solid rgba(99, 91, 82, 0.16);
+  border-radius: 18px;
+  background: rgba(255, 252, 246, 0.98);
+  box-shadow: 0 24px 48px rgba(27, 23, 20, 0.18);
+}
+
+.rfHistoryPanel__head {
+  display: flex;
+  align-items: flex-start;
+  justify-content: space-between;
+  gap: 12px;
+}
+
+.rfHistoryPanel__eyebrow {
+  font-size: 11px;
+  font-weight: 800;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+  color: var(--rf-muted);
+}
+
+.rfHistoryPanel__title {
+  margin-top: 3px;
+  font-size: 1rem;
+  font-weight: 800;
+}
+
+.rfHistoryPanel__close,
+.rfHistoryItem__restore {
+  border: 1px solid rgba(99, 91, 82, 0.14);
+  border-radius: 999px;
+  background: #fffaf2;
+  color: var(--rf-ink);
+  font: inherit;
+  font-size: 12px;
+  font-weight: 800;
+  padding: 8px 11px;
+  cursor: pointer;
+}
+
+.rfHistoryPanel__close:hover,
+.rfHistoryItem__restore:hover {
+  transform: translateY(-1px);
+  box-shadow: 0 10px 22px rgba(27, 23, 20, 0.08);
+}
+
+.rfHistoryItem__restore:disabled {
+  opacity: 0.46;
+  cursor: default;
+  transform: none;
+  box-shadow: none;
+}
+
+.rfHistoryPanel__note {
+  margin-top: 12px;
+  font-size: 13px;
+  color: var(--rf-muted);
+}
+
+.rfHistoryPanel__note.isError {
+  color: #8b3d24;
+}
+
+.rfHistoryPanel__list {
+  display: grid;
+  gap: 10px;
+  margin-top: 12px;
+}
+
+.rfHistoryItem {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) auto;
+  gap: 8px 12px;
+  align-items: center;
+  padding: 12px;
+  border: 1px solid rgba(99, 91, 82, 0.12);
+  border-radius: 14px;
+  background: rgba(255, 255, 255, 0.74);
+}
+
+.rfHistoryItem.isCurrent {
+  border-color: rgba(31, 111, 139, 0.25);
+  box-shadow: inset 0 0 0 1px rgba(31, 111, 139, 0.12);
+}
+
+.rfHistoryItem__meta {
+  display: flex;
+  gap: 8px;
+  align-items: center;
+  justify-content: space-between;
+}
+
+.rfHistoryItem__action {
+  font-size: 12px;
+  font-weight: 800;
+  text-transform: uppercase;
+  letter-spacing: 0.04em;
+}
+
+.rfHistoryItem__time,
+.rfHistoryItem__sub {
+  font-size: 12px;
+  color: var(--rf-muted);
+}
+
+.rfStatusRail {
+  min-width: 0;
+}
+
+.rfStatusRail__summary {
+  margin-bottom: 8px;
+  font-size: 12px;
+  font-weight: 800;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+  color: var(--rf-muted);
+}
+
+.rfStatusRail__list {
+  display: flex;
+  gap: 8px;
+  flex-wrap: wrap;
+  justify-content: flex-end;
+}
+
+.rfStatusPill {
+  display: inline-flex;
+  align-items: center;
+  gap: 10px;
+  min-height: 36px;
+  padding: 0 11px;
+  border-radius: 999px;
+  border: 1px solid rgba(99, 91, 82, 0.12);
+  background: rgba(255, 250, 242, 0.92);
+  color: var(--rf-ink);
+  font: inherit;
+  cursor: pointer;
+  transition: 140ms ease;
+}
+
+.rfStatusPill:hover,
+.rfStatusPill.isSelected {
+  transform: translateY(-1px);
+  box-shadow: 0 12px 24px rgba(27, 23, 20, 0.08);
+}
+
+.rfStatusPill__name {
+  font-size: 12px;
+  font-weight: 800;
+}
+
+.rfStatusPill__state {
+  font-size: 10px;
+  font-weight: 900;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+}
+
+.rfStatusPill.is-ok .rfStatusPill__state {
+  color: #185f39;
+}
+
+.rfStatusPill.is-warn .rfStatusPill__state {
+  color: #8b3d24;
+}
+
+.rfStatusPill.is-info .rfStatusPill__state {
+  color: #425466;
+}
+
+.rfLayout {
+  margin-top: 12px;
+  display: grid;
+  grid-template-columns: minmax(0, 1.2fr) 410px;
+  gap: 18px;
+  align-items: stretch;
+}
+
+.rfCanvas {
+  height: calc(100vh - 126px);
+  min-height: 760px;
+  overflow: hidden;
+}
+
+.rfInspector {
+  padding: 22px;
+  max-height: calc(100vh - 126px);
+  overflow: auto;
+}
+
+.rfInspector h2 {
+  margin: 10px 0 8px;
+  font-size: 1.8rem;
+  line-height: 1.05;
+  font-family: 'IBM Plex Serif', Georgia, serif;
+}
+
+.rfInspector__host {
+  font-weight: 700;
+}
+
+.rfSection {
+  margin-top: 18px;
+  padding-top: 18px;
+  border-top: 1px solid rgba(99, 91, 82, 0.12);
+}
+
+.rfSection h3 {
+  margin: 0 0 8px;
+  font-size: 0.98rem;
+}
+
+.rfSection ul {
+  margin: 0;
+  padding-left: 18px;
+}
+
+.rfSection li {
+  margin: 6px 0;
+}
+
+.rfRouteList {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+  display: grid;
+  gap: 10px;
+}
+
+.rfRouteItem {
+  padding: 10px 12px;
+  border-radius: 14px;
+  border: 1px solid rgba(99, 91, 82, 0.12);
+  background: rgba(255, 252, 246, 0.84);
+}
+
+.rfRouteItem.isEmpty {
+  color: var(--rf-muted);
+  font-size: 12px;
+}
+
+.rfRouteItem__head {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  flex-wrap: wrap;
+  font-size: 13px;
+}
+
+.rfRouteItem__meta {
+  margin-top: 6px;
+  font-size: 12px;
+  font-weight: 700;
+  color: var(--rf-ink);
+}
+
+.rfRouteItem__desc {
+  margin-top: 4px;
+  font-size: 12px;
+  line-height: 1.45;
+  color: var(--rf-muted);
+}
+
+.rfRouteBadge {
+  display: inline-flex;
+  align-items: center;
+  min-height: 20px;
+  padding: 0 7px;
+  border-radius: 999px;
+  font-size: 10px;
+  font-weight: 900;
+  letter-spacing: 0.04em;
+  text-transform: uppercase;
+}
+
+.rfRouteBadge.is-in {
+  background: rgba(75, 85, 99, 0.12);
+  color: #3f4854;
+}
+
+.rfRouteBadge.is-out {
+  background: rgba(20, 114, 109, 0.14);
+  color: #126863;
+}
+
+.rfRouteBadge.is-path-read {
+  background: rgba(31, 111, 139, 0.12);
+  color: #1f6f8b;
+}
+
+.rfRouteBadge.is-path-live {
+  background: rgba(176, 79, 53, 0.12);
+  color: #a04a33;
+}
+
+.rfRouteBadge.is-path-write {
+  background: rgba(122, 98, 19, 0.14);
+  color: #7a6213;
+}
+
+.rfRouteBadge.is-path-control {
+  background: rgba(75, 85, 99, 0.12);
+  color: #4b5563;
+}
+
+.rfLegend {
+  background: rgba(255, 252, 246, 0.9);
+  border: 1px solid rgba(99, 91, 82, 0.12);
+  border-radius: 16px;
+  padding: 12px 14px;
+  box-shadow: 0 12px 28px rgba(27, 23, 20, 0.08);
+}
+
+.rfLegend__title {
+  margin-bottom: 8px;
+  font-size: 12px;
+  font-weight: 800;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+  color: var(--rf-muted);
+}
+
+.rfLegend__row {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  margin-top: 6px;
+  font-size: 13px;
+  color: var(--rf-ink);
+}
+
+.rfLegend__row span {
+  width: 12px;
+  height: 12px;
+  border-radius: 999px;
+  flex: 0 0 12px;
+}
+
+.rfCard {
+  width: 100%;
+  height: 100%;
+  border: 1px solid rgba(99, 91, 82, 0.14);
+  border-left: 6px solid var(--lane-color);
+  border-radius: 18px;
+  background: var(--rf-card);
+  box-shadow: 0 16px 32px rgba(27, 23, 20, 0.08);
+  padding: 12px;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+  user-select: none;
+  cursor: grab;
+}
+
+.rfCard.isWorkflow {
+  border-color: rgba(50, 130, 80, 0.72);
+  box-shadow:
+    inset 0 0 0 2px rgba(88, 175, 112, 0.22),
+    0 18px 34px rgba(32, 92, 52, 0.12);
+}
+
+.rfCard.isWorkflow .rfCard__subtitle {
+  color: #2d6b3f;
+}
+
+.rfCard.isSelected {
+  box-shadow: 0 18px 38px rgba(27, 23, 20, 0.16);
+  transform: translateY(-1px);
+}
+
+.rfCard.isDragging {
+  border-color: rgba(176, 48, 35, 0.78);
+  box-shadow:
+    0 0 0 3px rgba(176, 48, 35, 0.3),
+    0 20px 42px rgba(176, 48, 35, 0.16);
+  cursor: grabbing;
+}
+
+.rfCard__head {
+  display: flex;
+  justify-content: space-between;
+  gap: 10px;
+  align-items: flex-start;
+}
+
+.rfDragHandle {
+  touch-action: none;
+}
+
+.rfCard__title {
+  margin-top: 4px;
+  font-size: 0.94rem;
+  font-weight: 800;
+  color: var(--rf-ink);
+}
+
+.rfCard__host {
+  margin-top: 8px;
+  font-size: 12px;
+}
+
+.rfCard__runtime {
+  margin-top: 10px;
+  padding: 9px 10px;
+  border-radius: 14px;
+  border: 1px solid rgba(99, 91, 82, 0.12);
+  background: linear-gradient(180deg, rgba(251, 247, 239, 0.96), rgba(246, 239, 227, 0.82));
+}
+
+.rfCard__runtimeLabel {
+  margin-bottom: 8px;
+  font-size: 10px;
+  font-weight: 900;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+  color: var(--rf-muted);
+}
+
+.rfCard__metricGrid,
+.rfInspector__metricGrid {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: 8px;
+}
+
+.rfCard__metricGrid {
+  margin-top: 10px;
+}
+
+.rfMetricChip {
+  display: grid;
+  gap: 4px;
+  padding: 8px 9px;
+  border-radius: 12px;
+  background: rgba(255, 253, 249, 0.92);
+  border: 1px solid rgba(99, 91, 82, 0.1);
+}
+
+.rfMetricChip span {
+  font-size: 10px;
+  font-weight: 900;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+  color: var(--rf-muted);
+}
+
+.rfMetricChip strong {
+  font-size: 12px;
+  line-height: 1.3;
+  color: var(--rf-ink);
+}
+
+.rfFactGrid,
+.rfPanelGrid {
+  display: grid;
+  gap: 10px;
+}
+
+.rfFactGrid {
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+}
+
+.rfFact {
+  padding: 11px 12px;
+  border-radius: 14px;
+  border: 1px solid rgba(99, 91, 82, 0.12);
+  background: rgba(255, 252, 246, 0.84);
+}
+
+.rfFact span {
+  display: block;
+  margin-bottom: 4px;
+  font-size: 10px;
+  font-weight: 900;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+  color: var(--rf-muted);
+}
+
+.rfFact strong {
+  font-size: 13px;
+  line-height: 1.4;
+  color: var(--rf-ink);
+}
+
+.rfPanelCard {
+  padding: 12px 13px;
+  border-radius: 16px;
+  border: 1px solid rgba(99, 91, 82, 0.12);
+  background: rgba(255, 252, 246, 0.84);
+}
+
+.rfPanelCard__title {
+  margin-bottom: 8px;
+  font-size: 12px;
+  font-weight: 900;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+  color: var(--rf-muted);
+}
+
+.rfPanelCard p,
+.rfPanelCard li {
+  margin: 0;
+}
+
+.rfPanelCard ul {
+  margin: 0;
+  padding-left: 18px;
+}
+
+.rfPanelCard li + li {
+  margin-top: 6px;
+}
+
+.rfCard__bullets {
+  margin: 10px 0 0;
+  padding-left: 18px;
+  font-size: 12px;
+  overflow: hidden;
+}
+
+.rfCard__bullets li {
+  margin: 4px 0;
+}
+
+.rfStatus {
+  display: inline-flex;
+  align-items: center;
+  border-radius: 999px;
+  padding: 5px 8px;
+  font-size: 11px;
+  font-weight: 800;
+  white-space: nowrap;
+}
+
+.rfStatus.isOk {
+  background: rgba(30, 107, 67, 0.11);
+  color: #185f39;
+}
+
+.rfStatus.isWarn {
+  background: rgba(176, 79, 53, 0.11);
+  color: #8b3d24;
+}
+
+.rfHandle {
+  width: 10px;
+  height: 10px;
+  background: var(--lane-color);
+  border: 2px solid #fff;
+}
+
+.rfHandle.isRouteHandle {
+  width: 12px;
+  height: 12px;
+  border: 2px solid rgba(255, 253, 249, 0.98);
+  box-shadow: 0 0 0 2px rgba(27, 23, 20, 0.08);
+}
+
+.rfZone {
+  width: 100%;
+  height: 100%;
+  border-radius: 26px;
+  border: 1px solid rgba(110, 101, 91, 0.14);
+  padding: 12px 14px;
+  user-select: none;
+  cursor: grab;
+}
+
+.rfZone__head {
+  display: flex;
+  flex-direction: column;
+  align-items: flex-start;
+  gap: 6px;
+  min-height: 64px;
+  width: min(100%, 320px);
+  padding: 2px 2px 10px;
+}
+
+.rfZone__title {
+  display: inline-flex;
+  align-items: center;
+  min-height: 28px;
+  padding: 0 10px;
+  border-radius: 999px;
+  background: rgba(255, 251, 244, 0.96);
+  box-shadow: 0 6px 16px rgba(27, 23, 20, 0.06);
+  font-size: 0.96rem;
+  font-weight: 900;
+  color: var(--rf-ink);
+  font-family: 'IBM Plex Serif', Georgia, serif;
+}
+
+.rfZone__subtitle {
+  margin-top: 6px;
+  max-width: 250px;
+  font-size: 10px;
+  font-weight: 700;
+  letter-spacing: 0.06em;
+  text-transform: uppercase;
+  color: var(--rf-muted);
+  line-height: 1.35;
+}
+
+.rfZone.is-host {
+  background:
+    linear-gradient(180deg, rgba(255, 253, 249, 0.92), rgba(244, 236, 225, 0.66));
+  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35);
+}
+
+.rfZone.is-namespace {
+  background:
+    linear-gradient(180deg, rgba(255, 251, 246, 0.78), rgba(236, 228, 214, 0.52));
+  border-style: dashed;
+  border-color: rgba(98, 91, 82, 0.22);
+  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.22);
+}
+
+.rfZone.is-subzone {
+  background:
+    linear-gradient(180deg, rgba(255, 254, 250, 0.72), rgba(248, 242, 233, 0.46));
+  border-color: rgba(98, 91, 82, 0.12);
+  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16);
+}
+
+.rfZone.isDragging {
+  border-color: rgba(176, 48, 35, 0.72);
+  box-shadow:
+    inset 0 0 0 2px rgba(176, 48, 35, 0.22),
+    0 0 0 3px rgba(176, 48, 35, 0.14);
+  cursor: grabbing;
+}
+
+.rfZone.isDragging .rfZone__title {
+  box-shadow:
+    0 0 0 2px rgba(176, 48, 35, 0.18),
+    0 8px 18px rgba(176, 48, 35, 0.16);
+}
+
+.react-flow__renderer {
+  background:
+    linear-gradient(rgba(225, 214, 198, 0.22) 1px, transparent 1px),
+    linear-gradient(90deg, rgba(225, 214, 198, 0.22) 1px, transparent 1px),
+    linear-gradient(180deg, #fffdf8 0%, #faf4ea 100%);
+  background-size: 20px 20px, 20px 20px, 100% 100%;
+}
+
+.react-flow__nodes {
+  z-index: 10;
+}
+
+.react-flow__edges,
+.react-flow__edgelabel-renderer {
+  z-index: 30 !important;
+}
+
+.react-flow__attribution {
+  display: none;
+}
+
+.react-flow__controls,
+.react-flow__minimap {
+  border: 1px solid rgba(99, 91, 82, 0.14);
+  border-radius: 14px;
+  overflow: hidden;
+  box-shadow: 0 12px 24px rgba(27, 23, 20, 0.08);
+}
+
+.react-flow__controls button {
+  background: rgba(255, 252, 246, 0.92);
+  color: var(--rf-ink);
+  border-bottom-color: rgba(99, 91, 82, 0.12);
+}
+
+.react-flow__edge-text {
+  font-weight: 700;
+}
+
+.rfResizeHandle {
+  width: 12px !important;
+  height: 12px !important;
+  border-radius: 999px !important;
+  border: 2px solid rgba(255, 253, 249, 0.96) !important;
+  background: rgba(31, 111, 139, 0.72) !important;
+  box-shadow: 0 0 0 2px rgba(27, 23, 20, 0.08);
+  opacity: 0;
+  pointer-events: none;
+  transition: opacity 120ms ease, transform 120ms ease, background 120ms ease;
+}
+
+.rfResizeLine {
+  border-color: rgba(31, 111, 139, 0.28) !important;
+  opacity: 0;
+  pointer-events: none;
+  transition: opacity 120ms ease, border-color 120ms ease;
+}
+
+.rfCard:hover .rfResizeHandle,
+.rfCard:hover .rfResizeLine,
+.rfCard.isSelected .rfResizeHandle,
+.rfCard.isSelected .rfResizeLine,
+.rfCard.isDragging .rfResizeHandle,
+.rfCard.isDragging .rfResizeLine,
+.rfZone:hover .rfResizeHandle,
+.rfZone:hover .rfResizeLine,
+.rfZone.isSelected .rfResizeHandle,
+.rfZone.isSelected .rfResizeLine,
+.rfZone.isDragging .rfResizeHandle,
+.rfZone.isDragging .rfResizeLine {
+  opacity: 1;
+  pointer-events: auto;
+}
+
+.rfCard:hover .rfResizeHandle,
+.rfCard.isSelected .rfResizeHandle,
+.rfCard.isDragging .rfResizeHandle,
+.rfZone:hover .rfResizeHandle,
+.rfZone.isSelected .rfResizeHandle,
+.rfZone.isDragging .rfResizeHandle {
+  transform: scale(1.05);
+}
+
+.rfCard:hover .rfResizeLine,
+.rfCard.isSelected .rfResizeLine,
+.rfCard.isDragging .rfResizeLine {
+  border-color: rgba(31, 111, 139, 0.42) !important;
+}
+
+.rfZone:hover .rfResizeLine,
+.rfZone.isSelected .rfResizeLine,
+.rfZone.isDragging .rfResizeLine {
+  border-color: rgba(176, 48, 35, 0.26) !important;
+}
+
+.rfZone .rfResizeHandle {
+  background: rgba(176, 48, 35, 0.72) !important;
+}
+
+.rfPage.isUltraWide .rfLayout {
+  grid-template-columns: minmax(0, 1.45fr) 430px;
+}
+
+.rfPage.isUltraWide .rfCanvas {
+  height: calc(100vh - 118px);
+  min-height: 820px;
+}
+
+code {
+  font-family: 'IBM Plex Mono', monospace;
+  background: rgba(27, 23, 20, 0.05);
+  padding: 2px 6px;
+  border-radius: 6px;
+}
+
+@media (max-width: 1180px) {
+  .rfPage {
+    padding: 14px;
+  }
+
+  .rfToolbar {
+    grid-template-columns: 1fr;
+    align-items: stretch;
+  }
+
+  .rfStatusRail__list {
+    justify-content: flex-start;
+  }
+
+  .rfLayout {
+    grid-template-columns: 1fr;
+  }
+
+  .rfCanvas {
+    height: 72vh;
+    min-height: 620px;
+  }
+
+  .rfCard__metricGrid,
+  .rfInspector__metricGrid,
+  .rfFactGrid {
+    grid-template-columns: 1fr;
+  }
+}
--- a/apps/visualizer/src/diagram/TradeSystemFlowPage.tsx
+++ b/apps/visualizer/src/diagram/TradeSystemFlowPage.tsx
--- a/apps/visualizer/src/features/bot/BotObserverPanel.tsx
+++ b/apps/visualizer/src/features/bot/BotObserverPanel.tsx
@@ -0,0 +1,282 @@
+import type { BotEventRow, BotObserverData, BotObserverRuntimeState } from './useBotObserver';
+
+function formatUsd(v: number | null | undefined): string {
+  if (v == null || !Number.isFinite(v)) return '—';
+  if (Math.abs(v) >= 1_000_000) return `$${(v / 1_000_000).toFixed(2)}M`;
+  if (Math.abs(v) >= 1000) return `$${(v / 1000).toFixed(1)}K`;
+  return `$${v.toFixed(2)}`;
+}
+
+function formatBps(v: number | null | undefined): string {
+  if (v == null || !Number.isFinite(v)) return '—';
+  return `${v.toFixed(2)} bps`;
+}
+
+function formatPct(v: number | null | undefined): string {
+  if (v == null || !Number.isFinite(v)) return '—';
+  return `${(v * 100).toFixed(0)}%`;
+}
+
+function formatAge(iso: string | null | undefined): string {
+  if (!iso) return '—';
+  const ts = Date.parse(iso);
+  if (!Number.isFinite(ts)) return '—';
+  const seconds = Math.max(0, Math.floor((Date.now() - ts) / 1000));
+  if (seconds < 60) return `${seconds}s ago`;
+  const minutes = Math.floor(seconds / 60);
+  if (minutes < 60) return `${minutes}m ago`;
+  const hours = Math.floor(minutes / 60);
+  return `${hours}h ago`;
+}
+
+function formatClock(iso: string | null | undefined): string {
+  if (!iso) return '—';
+  const ts = Date.parse(iso);
+  if (!Number.isFinite(ts)) return '—';
+  return new Date(ts).toLocaleTimeString(undefined, {
+    hour: '2-digit',
+    minute: '2-digit',
+    second: '2-digit',
+  });
+}
+
+function numericClass(v: number | null | undefined): string {
+  if (v == null || !Number.isFinite(v) || v === 0) return '';
+  return v > 0 ? 'pos' : 'neg';
+}
+
+function gateTone(value: boolean | null | undefined): 'ok' | 'bad' | 'muted' {
+  if (value === true) return 'ok';
+  if (value === false) return 'bad';
+  return 'muted';
+}
+
+function eventSummary(event: BotEventRow): string {
+  const payload = event.payload || {};
+  if (event.type === 'decision' || event.type === 'skip') {
+    const decision = (payload as any).decision || {};
+    const side = typeof decision.side === 'string' ? decision.side.toUpperCase() : '—';
+    const confidence = typeof decision.confidence === 'number' ? `${Math.round(decision.confidence * 100)}%` : '—';
+    const target = typeof decision.target_notional_usd === 'number' ? formatUsd(decision.target_notional_usd) : '—';
+    const skipReason = typeof decision.skip_reason === 'string' && decision.skip_reason ? ` • ${decision.skip_reason}` : '';
+    return `${side} • ${confidence} • ${target}${skipReason}`;
+  }
+  if (event.type === 'status') {
+    const status = (payload as any).status || {};
+    const bot = (payload as any).bot || {};
+    const mode = typeof bot.mode === 'string' ? bot.mode : '—';
+    const active = status.active === true ? 'active' : 'inactive';
+    const note = typeof status.note === 'string' && status.note ? ` • ${status.note}` : '';
+    return `${mode} • ${active}${note}`;
+  }
+  if (event.type === 'error') {
+    return typeof (payload as any).error === 'string' ? (payload as any).error : 'error';
+  }
+  return JSON.stringify(payload);
+}
+
+function kpiValueClass(side: string | null | undefined): string {
+  if (side === 'long') return 'pos';
+  if (side === 'short') return 'neg';
+  return '';
+}
+
+function renderFeatureRow(label: string, value: string, valueClass = '') {
+  return (
+    <div className="botFeatureRow" key={label}>
+      <span className="botFeatureRow__label">{label}</span>
+      <span className={['botFeatureRow__value', valueClass].filter(Boolean).join(' ')}>{value}</span>
+    </div>
+  );
+}
+
+export default function BotObserverPanel({
+  marketName,
+  observer,
+}: {
+  marketName: string;
+  observer: BotObserverData;
+}) {
+  const { bot, resolvedBy, state, events, loading, error, warning, lastUpdatedAt } = observer;
+  const runtimeState: BotObserverRuntimeState | null = state?.state || null;
+  const lastDecision = runtimeState?.last_decision || null;
+  const lastFeatures = runtimeState?.last_features || null;
+  const lastGates = runtimeState?.last_gates || null;
+  const lastSnapshot = runtimeState?.last_snapshot || null;
+  const counters = runtimeState?.counters || null;
+
+  if (loading && !bot) {
+    return <div className="placeholder">Loading bot observer…</div>;
+  }
+
+  if (error && !bot) {
+    return <div className="uiError">{error}</div>;
+  }
+
+  if (!bot) {
+    if (warning === 'bot_control_plane_schema_missing') {
+      return (
+        <div className="botDash botDash--empty">
+          <div className="botDash__emptyTitle">Bot control plane is not deployed here.</div>
+          <div className="muted">This Hasura environment does not expose `bot_config`, `bot_state`, or `bot_events` yet.</div>
+        </div>
+      );
+    }
+    return (
+      <div className="botDash botDash--empty">
+        <div className="botDash__emptyTitle">No bot configured for this market.</div>
+        <div className="muted">Set `VITE_BOT_ID` / `VITE_BOT_NAME` or create a bot for {marketName}.</div>
+      </div>
+    );
+  }
+
+  return (
+    <div className="botDash dlobDash">
+      <div className="dlobDash__head">
+        <div className="dlobDash__title">Bot Observer</div>
+        <div className="dlobDash__meta">
+          <span className="dlobDash__market">{bot.name}</span>
+          <span className="muted">{bot.market_name}</span>
+          <span className="muted">{resolvedBy ? `resolved ${resolvedBy}` : 'manual'}</span>
+        </div>
+      </div>
+
+      {error ? <div className="uiError">{error}</div> : null}
+
+      {bot.market_name !== marketName ? (
+        <div className="botDash__note muted">Current chart market is {marketName}, panel shows bot for {bot.market_name}.</div>
+      ) : null}
+
+      <div className="dlobDash__statuses">
+        <div className="dlobStatus">
+          <span className="dlobStatus__label">mode</span>
+          <span className="dlobStatus__value">{bot.mode}</span>
+        </div>
+        <div className="dlobStatus">
+          <span className="dlobStatus__label">status</span>
+          <span className="dlobStatus__value">{runtimeState?.status || '—'}</span>
+        </div>
+        <div className="dlobStatus">
+          <span className="dlobStatus__label">heartbeat</span>
+          <span className="dlobStatus__value">{formatAge(state?.last_heartbeat_at)}</span>
+        </div>
+        <div className="dlobStatus">
+          <span className="dlobStatus__label">updated</span>
+          <span className="dlobStatus__value">{lastUpdatedAt ? formatClock(lastUpdatedAt) : '—'}</span>
+        </div>
+        <div className="dlobStatus">
+          <span className="dlobStatus__label">kill switch</span>
+          <span className={['dlobStatus__value', bot.kill_switch ? 'neg' : 'pos'].join(' ')}>
+            {bot.kill_switch ? 'enabled' : 'off'}
+          </span>
+        </div>
+      </div>
+
+      <div className="dlobDash__grid">
+        <div className="dlobKpi">
+          <div className="dlobKpi__label">Decision</div>
+          <div className={['dlobKpi__value', kpiValueClass(lastDecision?.side || null)].join(' ')}>
+            {lastDecision?.side || '—'}
+          </div>
+          <div className="dlobKpi__sub muted">{lastDecision?.skip_reason || 'current signal'}</div>
+        </div>
+        <div className="dlobKpi">
+          <div className="dlobKpi__label">Confidence</div>
+          <div className="dlobKpi__value">{formatPct(lastDecision?.confidence ?? null)}</div>
+        </div>
+        <div className="dlobKpi">
+          <div className="dlobKpi__label">Target</div>
+          <div className="dlobKpi__value">{formatUsd(lastDecision?.target_notional_usd ?? null)}</div>
+          <div className="dlobKpi__sub muted">{lastDecision?.horizon_s != null ? `${lastDecision.horizon_s}s horizon` : '—'}</div>
+        </div>
+        <div className="dlobKpi">
+          <div className="dlobKpi__label">Long Score</div>
+          <div className={['dlobKpi__value', numericClass(lastDecision?.long_score ?? null)].join(' ')}>
+            {lastDecision?.long_score == null ? '—' : lastDecision.long_score.toFixed(2)}
+          </div>
+        </div>
+        <div className="dlobKpi">
+          <div className="dlobKpi__label">Short Score</div>
+          <div className={['dlobKpi__value', numericClass(lastDecision?.short_score ?? null)].join(' ')}>
+            {lastDecision?.short_score == null ? '—' : lastDecision.short_score.toFixed(2)}
+          </div>
+        </div>
+        <div className="dlobKpi">
+          <div className="dlobKpi__label">Loops</div>
+          <div className="dlobKpi__value">{counters?.loops ?? '—'}</div>
+          <div className="dlobKpi__sub muted">
+            {counters ? `${counters.decisions ?? 0} decisions / ${counters.skips ?? 0} skips` : '—'}
+          </div>
+        </div>
+      </div>
+
+      <div className="botDash__layout">
+        <div className="botPanel">
+          <div className="botPanel__head">
+            <div className="botPanel__title">Gates</div>
+            <div className="muted">{lastSnapshot?.data_age_ms != null ? `${lastSnapshot.data_age_ms} ms age` : '—'}</div>
+          </div>
+          <div className="botGateGrid">
+            {[
+              ['fresh', lastGates?.fresh],
+              ['spread_ok', lastGates?.spread_ok],
+              ['slippage_ok', lastGates?.slippage_ok],
+              ['depth_ok', lastGates?.depth_ok],
+              ['has_candles', lastGates?.has_candles],
+              ['all', lastGates?.all],
+            ].map(([label, value]) => (
+              <div
+                key={label}
+                className={`botGate botGate--${gateTone(value as boolean | null | undefined)}`}
+              >
+                <span className="botGate__label">{label}</span>
+                <span className="botGate__value">{value == null ? '—' : value ? 'pass' : 'fail'}</span>
+              </div>
+            ))}
+          </div>
+
+          <div className="botPanel__head">
+            <div className="botPanel__title">Feature Snapshot</div>
+            <div className="muted">{lastSnapshot?.query_latency_ms != null ? `${lastSnapshot.query_latency_ms} ms query` : '—'}</div>
+          </div>
+          <div className="botFeatureList">
+            {renderFeatureRow('spread_bps', formatBps(lastFeatures?.spread_bps ?? null))}
+            {renderFeatureRow('mark_vs_oracle', formatBps(lastFeatures?.mark_vs_oracle_bps ?? null), numericClass(lastFeatures?.mark_vs_oracle_bps ?? null))}
+            {renderFeatureRow('mom_3s', formatBps(lastFeatures?.mom_3s ?? null), numericClass(lastFeatures?.mom_3s ?? null))}
+            {renderFeatureRow('mom_10s', formatBps(lastFeatures?.mom_10s ?? null), numericClass(lastFeatures?.mom_10s ?? null))}
+            {renderFeatureRow('mom_30s', formatBps(lastFeatures?.mom_30s ?? null), numericClass(lastFeatures?.mom_30s ?? null))}
+            {renderFeatureRow('vol_30s', formatBps(lastFeatures?.vol_30s ?? null))}
+            {renderFeatureRow('depth_bid_usd', formatUsd(lastFeatures?.depth_bid_usd ?? null), 'pos')}
+            {renderFeatureRow('depth_ask_usd', formatUsd(lastFeatures?.depth_ask_usd ?? null), 'neg')}
+            {renderFeatureRow('depth_imbalance', formatPct(lastFeatures?.depth_imbalance ?? null), numericClass(lastFeatures?.depth_imbalance ?? null))}
+            {renderFeatureRow('buy_slippage', formatBps(lastFeatures?.buy_slippage_bps ?? null))}
+            {renderFeatureRow('sell_slippage', formatBps(lastFeatures?.sell_slippage_bps ?? null))}
+            {renderFeatureRow('last_error', state?.last_error || runtimeState?.error || '—', state?.last_error || runtimeState?.error ? 'neg' : '')}
+          </div>
+        </div>
+
+        <div className="botPanel">
+          <div className="botPanel__head">
+            <div className="botPanel__title">Event Feed</div>
+            <div className="muted">{events.length ? `${events.length} rows` : '—'}</div>
+          </div>
+          {events.length ? (
+            <div className="botEventList">
+              {events.map((event) => (
+                <div className={`botEvent botEvent--${event.type}`} key={event.id}>
+                  <div className="botEvent__head">
+                    <span className="botEvent__type">{event.type}</span>
+                    <span className="muted">{formatClock(event.ts)}</span>
+                  </div>
+                  <div className="botEvent__summary">{eventSummary(event)}</div>
+                </div>
+              ))}
+            </div>
+          ) : (
+            <div className="botPanel__empty muted">No bot events yet.</div>
+          )}
+        </div>
+      </div>
+    </div>
+  );
+}
--- a/apps/visualizer/src/features/bot/BotObserverSummaryCard.tsx
+++ b/apps/visualizer/src/features/bot/BotObserverSummaryCard.tsx
@@ -0,0 +1,185 @@
+import type { BotObserverData, BotObserverRuntimeState } from './useBotObserver';
+
+function formatPct(v: number | null | undefined): string {
+  if (v == null || !Number.isFinite(v)) return '—';
+  return `${(v * 100).toFixed(0)}%`;
+}
+
+function formatUsd(v: number | null | undefined): string {
+  if (v == null || !Number.isFinite(v)) return '—';
+  if (Math.abs(v) >= 1_000_000) return `$${(v / 1_000_000).toFixed(2)}M`;
+  if (Math.abs(v) >= 1000) return `$${(v / 1000).toFixed(1)}K`;
+  return `$${v.toFixed(2)}`;
+}
+
+function formatAge(iso: string | null | undefined): string {
+  if (!iso) return '—';
+  const ts = Date.parse(iso);
+  if (!Number.isFinite(ts)) return '—';
+  const seconds = Math.max(0, Math.floor((Date.now() - ts) / 1000));
+  if (seconds < 60) return `${seconds}s`;
+  const minutes = Math.floor(seconds / 60);
+  if (minutes < 60) return `${minutes}m`;
+  const hours = Math.floor(minutes / 60);
+  return `${hours}h`;
+}
+
+function gateTone(value: boolean | null | undefined): 'ok' | 'bad' | 'muted' {
+  if (value === true) return 'ok';
+  if (value === false) return 'bad';
+  return 'muted';
+}
+
+function stateTone(value: string | null | undefined): string {
+  const normalized = String(value || '').trim().toLowerCase();
+  if (normalized === 'long') return 'pos';
+  if (normalized === 'short' || normalized === 'panic') return 'neg';
+  return '';
+}
+
+function resolveMachineState(runtimeState: BotObserverRuntimeState | null, desiredMode: string, killSwitch: boolean): string {
+  if (killSwitch) return 'panic';
+  const status = String(runtimeState?.status || runtimeState?.mode || desiredMode || '')
+    .trim()
+    .toLowerCase();
+  if (['off', 'observe', 'paper', 'trade', 'panic'].includes(status)) return status;
+  return 'off';
+}
+
+export default function BotObserverSummaryCard({
+  marketName,
+  observer,
+}: {
+  marketName: string;
+  observer: BotObserverData;
+}) {
+  const { bot, state, loading, error, warning } = observer;
+  const runtimeState: BotObserverRuntimeState | null = state?.state || null;
+  const machineState = resolveMachineState(runtimeState, bot?.mode || 'off', Boolean(bot?.kill_switch));
+  const lastDecision = runtimeState?.last_decision || null;
+  const lastSnapshot = runtimeState?.last_snapshot || null;
+  const lastGates = runtimeState?.last_gates || null;
+  const counters = runtimeState?.counters || null;
+
+  if (loading && !bot) {
+    return <div className="botSummaryCard__empty muted">Loading bot…</div>;
+  }
+
+  if (error && !bot) {
+    return <div className="uiError botSummaryCard__error">{error}</div>;
+  }
+
+  if (!bot) {
+    if (warning === 'bot_control_plane_schema_missing') {
+      return (
+        <div className="botSummaryCard__empty">
+          <div className="botSummaryCard__emptyTitle">Bot control plane missing</div>
+          <div className="muted">Current Hasura environment does not publish bot tables yet.</div>
+        </div>
+      );
+    }
+    return (
+      <div className="botSummaryCard__empty">
+        <div className="botSummaryCard__emptyTitle">No bot configured</div>
+        <div className="muted">No observer found for {marketName}.</div>
+      </div>
+    );
+  }
+
+  return (
+    <div className="botSummaryCard">
+      <div className="botSummaryCard__head">
+        <div>
+          <div className="botSummaryCard__title">Bot State Machine</div>
+          <div className="botSummaryCard__subtitle muted">{bot.name}</div>
+        </div>
+        <div className={['botSummaryCard__side', stateTone(lastDecision?.side)].join(' ')}>
+          {(lastDecision?.side || 'flat').toUpperCase()}
+        </div>
+      </div>
+
+      {error ? <div className="uiError botSummaryCard__error">{error}</div> : null}
+
+      {bot.market_name !== marketName ? (
+        <div className="botSummaryCard__note muted">Chart: {marketName} • Bot: {bot.market_name}</div>
+      ) : null}
+
+      <div className="botStateRail">
+        {['off', 'observe', 'paper', 'trade', 'panic'].map((stage) => (
+          <div
+            key={stage}
+            className={[
+              'botStateRail__node',
+              machineState === stage ? 'botStateRail__node--active' : '',
+              stage === 'panic' ? 'botStateRail__node--panic' : '',
+            ]
+              .filter(Boolean)
+              .join(' ')}
+          >
+            {stage}
+          </div>
+        ))}
+      </div>
+
+      <div className="botSummaryStats">
+        <div className="botSummaryStats__row">
+          <span className="botSummaryStats__label">Desired</span>
+          <span className="botSummaryStats__value">{bot.mode}</span>
+        </div>
+        <div className="botSummaryStats__row">
+          <span className="botSummaryStats__label">Runtime</span>
+          <span className="botSummaryStats__value">{runtimeState?.status || runtimeState?.mode || '—'}</span>
+        </div>
+        <div className="botSummaryStats__row">
+          <span className="botSummaryStats__label">Heartbeat</span>
+          <span className="botSummaryStats__value">{formatAge(state?.last_heartbeat_at)}</span>
+        </div>
+        <div className="botSummaryStats__row">
+          <span className="botSummaryStats__label">Data Age</span>
+          <span className="botSummaryStats__value">
+            {lastSnapshot?.data_age_ms != null ? `${lastSnapshot.data_age_ms} ms` : '—'}
+          </span>
+        </div>
+        <div className="botSummaryStats__row">
+          <span className="botSummaryStats__label">Query</span>
+          <span className="botSummaryStats__value">
+            {lastSnapshot?.query_latency_ms != null ? `${lastSnapshot.query_latency_ms} ms` : '—'}
+          </span>
+        </div>
+        <div className="botSummaryStats__row">
+          <span className="botSummaryStats__label">Confidence</span>
+          <span className="botSummaryStats__value">{formatPct(lastDecision?.confidence ?? null)}</span>
+        </div>
+        <div className="botSummaryStats__row">
+          <span className="botSummaryStats__label">Target</span>
+          <span className="botSummaryStats__value">{formatUsd(lastDecision?.target_notional_usd ?? null)}</span>
+        </div>
+        <div className="botSummaryStats__row">
+          <span className="botSummaryStats__label">Loops</span>
+          <span className="botSummaryStats__value">{counters?.loops ?? '—'}</span>
+        </div>
+      </div>
+
+      <div className="botGatePills">
+        {[
+          ['fresh', lastGates?.fresh],
+          ['spread', lastGates?.spread_ok],
+          ['slippage', lastGates?.slippage_ok],
+          ['depth', lastGates?.depth_ok],
+        ].map(([label, value]) => (
+          <span key={label} className={`botGatePill botGatePill--${gateTone(value as boolean | null | undefined)}`}>
+            {label}
+          </span>
+        ))}
+      </div>
+
+      {lastDecision?.skip_reason ? (
+        <div className="botSummaryCard__footer muted">skip: {lastDecision.skip_reason}</div>
+      ) : runtimeState?.inactive_reason ? (
+        <div className="botSummaryCard__footer muted">{runtimeState.inactive_reason}</div>
+      ) : state?.last_error ? (
+        <div className="botSummaryCard__footer neg">{state.last_error}</div>
+      ) : null}
+    </div>
+  );
+}
--- a/apps/visualizer/src/features/bot/useBotObserver.ts
+++ b/apps/visualizer/src/features/bot/useBotObserver.ts
@@ -0,0 +1,290 @@
+import { useEffect, useRef, useState } from 'react';
+import { useInterval } from '../../app/hooks/useInterval';
+
+export type BotConfigSummary = {
+  id: string;
+  name: string;
+  market_name: string;
+  market_type: string;
+  mode: string;
+  kill_switch: boolean;
+  updated_at: string;
+};
+
+export type BotObserverRuntimeState = {
+  service?: string;
+  version?: string;
+  appVersion?: string;
+  observe_only?: boolean;
+  market_name?: string;
+  market_type?: string;
+  mode?: string;
+  kill_switch?: boolean;
+  status?: string;
+  strategy_type?: string;
+  loop_ms?: number;
+  last_snapshot?: {
+    query_latency_ms?: number | null;
+    data_age_ms?: number | null;
+    candles_count?: number | null;
+    stats_age_ms?: number | null;
+    depth_age_ms?: number | null;
+    buy_slippage_age_ms?: number | null;
+    sell_slippage_age_ms?: number | null;
+  } | null;
+  last_features?: {
+    mark_price?: number | null;
+    oracle_price?: number | null;
+    mid_price?: number | null;
+    spread_bps?: number | null;
+    stats_imbalance?: number | null;
+    depth_bid_usd?: number | null;
+    depth_ask_usd?: number | null;
+    depth_imbalance?: number | null;
+    buy_slippage_bps?: number | null;
+    sell_slippage_bps?: number | null;
+    mark_vs_oracle_bps?: number | null;
+    mom_3s?: number | null;
+    mom_10s?: number | null;
+    mom_30s?: number | null;
+    vol_30s?: number | null;
+  } | null;
+  last_gates?: {
+    fresh?: boolean;
+    spread_ok?: boolean;
+    slippage_ok?: boolean;
+    depth_ok?: boolean;
+    has_candles?: boolean;
+    all?: boolean;
+  } | null;
+  last_decision?: {
+    side?: string;
+    confidence?: number | null;
+    long_score?: number | null;
+    short_score?: number | null;
+    target_notional_usd?: number | null;
+    horizon_s?: number | null;
+    skip_reason?: string | null;
+  } | null;
+  counters?: {
+    loops?: number;
+    decisions?: number;
+    skips?: number;
+    errors?: number;
+  } | null;
+  inactive_reason?: string;
+  error?: string;
+  trade_requested_but_observer_only?: boolean;
+};
+
+export type BotStateRow = {
+  bot_id: string;
+  last_heartbeat_at: string | null;
+  last_action_at: string | null;
+  last_error: string | null;
+  state: BotObserverRuntimeState | null;
+  updated_at: string;
+};
+
+export type BotEventRow = {
+  id: number;
+  ts: string;
+  type: string;
+  payload?: Record<string, unknown> | null;
+};
+
+export type BotObserverData = {
+  bot: BotConfigSummary | null;
+  resolvedBy: string | null;
+  state: BotStateRow | null;
+  events: BotEventRow[];
+  loading: boolean;
+  error: string | null;
+  warning: string | null;
+  lastUpdatedAt: string | null;
+};
+
+function envString(name: string): string | undefined {
+  const value = (import.meta as any).env?.[name];
+  if (value == null) return undefined;
+  const text = String(value).trim();
+  return text || undefined;
+}
+
+function getApiBase(): string {
+  return envString('VITE_API_URL') || '/api';
+}
+
+function buildApiUrl(pathname: string): string {
+  const base = new URL(getApiBase(), window.location.origin);
+  const basePath = base.pathname && base.pathname !== '/' ? base.pathname.replace(/\/$/, '') : '';
+  const [pathOnly, searchOnly = ''] = String(pathname || '').split('?');
+  base.pathname = `${basePath}${pathOnly.startsWith('/') ? pathOnly : `/${pathOnly}`}`;
+  base.search = searchOnly ? `?${searchOnly}` : '';
+  base.hash = '';
+  return base.toString();
+}
+
+async function apiRequest<T>(pathname: string): Promise<T> {
+  const res = await fetch(buildApiUrl(pathname), {
+    cache: 'no-store',
+    credentials: 'same-origin',
+  });
+  const text = await res.text();
+  let json: any = null;
+  try {
+    json = text ? JSON.parse(text) : null;
+  } catch {
+    throw new Error(`Invalid API JSON for ${pathname}`);
+  }
+  if (!res.ok) throw new Error(json?.error || `API HTTP ${res.status}`);
+  return json as T;
+}
+
+function preferredBotId(): string | undefined {
+  return envString('VITE_BOT_ID');
+}
+
+function preferredBotName(): string | undefined {
+  return envString('VITE_BOT_NAME');
+}
+
+function resolveBot(bots: BotConfigSummary[], marketName: string): { bot: BotConfigSummary | null; by: string | null } {
+  const configuredId = preferredBotId();
+  if (configuredId) {
+    const match = bots.find((entry) => entry.id === configuredId);
+    if (match) return { bot: match, by: 'env:id' };
+  }
+
+  const configuredName = preferredBotName();
+  if (configuredName) {
+    const match = bots.find((entry) => entry.name === configuredName);
+    if (match) return { bot: match, by: 'env:name' };
+  }
+
+  const match = bots.find((entry) => String(entry.market_name || '').trim().toUpperCase() === marketName.trim().toUpperCase());
+  if (match) return { bot: match, by: 'market' };
+
+  return { bot: null, by: null };
+}
+
+export function useBotObserver(marketName: string): BotObserverData {
+  const mountedRef = useRef(true);
+  const resolveInFlightRef = useRef(false);
+  const detailsInFlightRef = useRef(false);
+  const [bot, setBot] = useState<BotConfigSummary | null>(null);
+  const [resolvedBy, setResolvedBy] = useState<string | null>(null);
+  const [state, setState] = useState<BotStateRow | null>(null);
+  const [events, setEvents] = useState<BotEventRow[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+  const [warning, setWarning] = useState<string | null>(null);
+  const [lastUpdatedAt, setLastUpdatedAt] = useState<string | null>(null);
+
+  useEffect(() => {
+    mountedRef.current = true;
+    return () => {
+      mountedRef.current = false;
+    };
+  }, []);
+
+  async function refreshBotResolution() {
+    if (resolveInFlightRef.current) return;
+    resolveInFlightRef.current = true;
+    try {
+      const json = await apiRequest<{ ok?: boolean; bots?: BotConfigSummary[]; error?: string; warning?: string }>(
+        '/v1/bots?limit=100'
+      );
+      const bots = Array.isArray(json?.bots) ? json.bots : [];
+      const resolved = resolveBot(bots, marketName);
+      if (!mountedRef.current) return;
+      setBot((current) => {
+        if (current?.id === resolved.bot?.id) return current;
+        return resolved.bot;
+      });
+      setResolvedBy(resolved.by);
+      if (!resolved.bot) {
+        setState(null);
+        setEvents([]);
+        setLoading(false);
+      }
+      setWarning(typeof json?.warning === 'string' && json.warning ? json.warning : null);
+      setError(null);
+    } catch (err) {
+      if (!mountedRef.current) return;
+      setError(String((err as Error)?.message || err));
+      setLoading(false);
+    } finally {
+      resolveInFlightRef.current = false;
+    }
+  }
+
+  async function refreshBotDetails(botId: string) {
+    if (detailsInFlightRef.current) return;
+    detailsInFlightRef.current = true;
+    try {
+      const [stateJson, eventsJson] = await Promise.all([
+        apiRequest<{ ok?: boolean; state?: BotStateRow | null; error?: string; warning?: string }>(
+          `/v1/bots/${botId}/state`
+        ),
+        apiRequest<{ ok?: boolean; events?: BotEventRow[]; error?: string; warning?: string }>(
+          `/v1/bots/${botId}/events?limit=24`
+        ),
+      ]);
+      if (!mountedRef.current) return;
+      setState(stateJson?.state || null);
+      setEvents(Array.isArray(eventsJson?.events) ? eventsJson.events : []);
+      setLastUpdatedAt(new Date().toISOString());
+      setWarning(
+        (typeof stateJson?.warning === 'string' && stateJson.warning) ||
+          (typeof eventsJson?.warning === 'string' && eventsJson.warning) ||
+          null
+      );
+      setError(null);
+      setLoading(false);
+    } catch (err) {
+      if (!mountedRef.current) return;
+      setError(String((err as Error)?.message || err));
+      setLoading(false);
+    } finally {
+      detailsInFlightRef.current = false;
+    }
+  }
+
+  useEffect(() => {
+    setLoading(true);
+    setBot(null);
+    setResolvedBy(null);
+    setState(null);
+    setEvents([]);
+    setError(null);
+    setWarning(null);
+    setLastUpdatedAt(null);
+    void refreshBotResolution();
+  }, [marketName]);
+
+  useEffect(() => {
+    if (!bot?.id) return;
+    void refreshBotDetails(bot.id);
+  }, [bot?.id]);
+
+  useInterval(() => {
+    void refreshBotResolution();
+  }, 5000);
+
+  useInterval(() => {
+    if (!bot?.id) return;
+    void refreshBotDetails(bot.id);
+  }, bot?.id ? 1000 : null);
+
+  return {
+    bot,
+    resolvedBy,
+    state,
+    events,
+    loading,
+    error,
+    warning,
+    lastUpdatedAt,
+  };
+}
--- a/apps/visualizer/src/features/chart/ChartPanel.tsx
+++ b/apps/visualizer/src/features/chart/ChartPanel.tsx
@@ -1,19 +1,21 @@
-import type { CSSProperties } from 'react';
 import { useEffect, useMemo, useRef, useState } from 'react';
 import type { Candle, ChartIndicators } from '../../lib/api';
+import type { TickerItem } from '../tickerbar/TickerBar';
 import Card from '../../ui/Card';
 import ChartLayersPanel from './ChartLayersPanel';
 import ChartSideToolbar from './ChartSideToolbar';
 import ChartToolbar from './ChartToolbar';
 import TradingChart from './TradingChart';
 import type { FibAnchor, FibRetracement } from './FibRetracementPrimitive';
-import { LineStyle, type IChartApi } from 'lightweight-charts';
+import { LineStyle, type IChartApi, type ISeriesApi, type UTCTimestamp } from 'lightweight-charts';
 import type { OverlayLayer } from './ChartPanel.types';

 type Props = {
  candles: Candle[];
  indicators: ChartIndicators;
  dlobQuotes?: { bid: number | null; ask: number | null; mid: number | null } | null;
+  tickerItems: TickerItem[];
+  theme: 'day' | 'night';
  timeframe: string;
  bucketSeconds: number;
  seriesKey: string;
@@ -22,10 +24,10 @@ type Props = {
  onToggleIndicators: () => void;
  showBuild: boolean;
  onToggleBuild: () => void;
+  onResetViewReady?: ((handler: (() => void) | null) => void) | undefined;
  seriesLabel: string;
-  fullscreenOverride?: boolean;
-  onToggleFullscreenOverride?: () => void;
-  fullscreenStyle?: CSSProperties;
+  hasMoreHistory?: boolean;
+  onRequestHistoryBefore?: (beforeTime: number) => Promise<void> | void;
 };

 type FibDragMode = 'move' | 'edit-b';
@@ -51,6 +53,8 @@ export default function ChartPanel({
  candles,
  indicators,
  dlobQuotes,
+  tickerItems,
+  theme,
  timeframe,
  bucketSeconds,
  seriesKey,
@@ -59,17 +63,12 @@ export default function ChartPanel({
  onToggleIndicators,
  showBuild,
  onToggleBuild,
+  onResetViewReady,
  seriesLabel,
-  fullscreenOverride,
-  onToggleFullscreenOverride,
-  fullscreenStyle,
+  hasMoreHistory = false,
+  onRequestHistoryBefore,
 }: Props) {
  const [isFullscreen, setIsFullscreen] = useState(false);
-  const isExternalFullscreen = typeof fullscreenOverride === 'boolean';
-  const effectiveFullscreen = isExternalFullscreen ? (fullscreenOverride as boolean) : isFullscreen;
-  const toggleFullscreen = isExternalFullscreen
-    ? onToggleFullscreenOverride ?? (() => {})
-    : () => setIsFullscreen((v) => !v);
  const [activeTool, setActiveTool] = useState<'cursor' | 'fib-retracement'>('cursor');
  const [fibStart, setFibStart] = useState<FibAnchor | null>(null);
  const [fib, setFib] = useState<FibRetracement | null>(null);
@@ -86,6 +85,7 @@ export default function ChartPanel({
  const [priceAutoScale, setPriceAutoScale] = useState(true);

  const chartApiRef = useRef<IChartApi | null>(null);
+  const candleSeriesRef = useRef<ISeriesApi<'Candlestick', UTCTimestamp> | null>(null);
  const activeToolRef = useRef(activeTool);
  const fibStartRef = useRef<FibAnchor | null>(fibStart);
  const pendingMoveRef = useRef<FibAnchor | null>(null);
@@ -96,31 +96,25 @@ export default function ChartPanel({
  const selectPointerRef = useRef<number | null>(null);
  const selectedOverlayIdRef = useRef<string | null>(selectedOverlayId);
  const fibRef = useRef<FibRetracement | null>(fib);
+  const resetChartViewRef = useRef<() => void>(() => {});

  useEffect(() => {
-    if (isExternalFullscreen) return;
    if (!isFullscreen) return;
    const onKeyDown = (e: KeyboardEvent) => {
      if (e.key === 'Escape') setIsFullscreen(false);
    };
    window.addEventListener('keydown', onKeyDown);
    return () => window.removeEventListener('keydown', onKeyDown);
-  }, [isExternalFullscreen, isFullscreen]);
+  }, [isFullscreen]);

  useEffect(() => {
-    if (isExternalFullscreen) return;
    document.body.classList.toggle('chartFullscreen', isFullscreen);
    return () => document.body.classList.remove('chartFullscreen');
-  }, [isExternalFullscreen, isFullscreen]);
+  }, [isFullscreen]);

  const cardClassName = useMemo(() => {
-    return ['chartCard', effectiveFullscreen ? 'chartCard--fullscreen' : null].filter(Boolean).join(' ');
-  }, [effectiveFullscreen]);
-
-  const cardStyle = useMemo(() => {
-    if (!effectiveFullscreen) return undefined;
-    return fullscreenStyle;
-  }, [effectiveFullscreen, fullscreenStyle]);
+    return ['chartCard', isFullscreen ? 'chartCard--fullscreen' : null].filter(Boolean).join(' ');
+  }, [isFullscreen]);

  useEffect(() => {
    activeToolRef.current = activeTool;
@@ -146,6 +140,12 @@ export default function ChartPanel({
    const onKeyDown = (e: KeyboardEvent) => {
      if (isEditableTarget(e.target)) return;

+      if (e.altKey && !e.ctrlKey && !e.shiftKey && !e.metaKey && e.key.toLowerCase() === 'r') {
+        e.preventDefault();
+        resetChartViewRef.current();
+        return;
+      }
+
      if (e.code === 'Space') {
        spaceDownRef.current = true;
        e.preventDefault();
@@ -213,6 +213,17 @@ export default function ChartPanel({
    ts.setVisibleLogicalRange({ from: center - span / 2, to: center + span / 2 });
  }

+  function resetChartView() {
+    const chart = chartApiRef.current;
+    if (!chart) return;
+
+    chart.timeScale().resetTimeScale();
+    candleSeriesRef.current?.priceScale().setAutoScale(true);
+    setPriceAutoScale(true);
+  }
+
+  resetChartViewRef.current = resetChartView;
+
  function clamp01(v: number): number {
    if (!Number.isFinite(v)) return 1;
    return Math.max(0, Math.min(1, v));
@@ -247,7 +258,7 @@ export default function ChartPanel({
        lineStyle: LineStyle.Dotted,
      },
    ];
-  }, [dlobQuotes?.ask, dlobQuotes?.bid, dlobQuotes?.mid, quotesOpacity, quotesVisible]);
+  }, [dlobQuotes?.ask, dlobQuotes?.bid, dlobQuotes?.mid, quotesOpacity, quotesVisible, theme]);

  function updateLayer(layerId: string, patch: Partial<OverlayLayer>) {
    setLayers((prev) => prev.map((l) => (l.id === layerId ? { ...l, ...patch } : l)));
@@ -319,12 +330,19 @@ export default function ChartPanel({
    if (!fibEffectiveVisible) setSelectedOverlayId(null);
  }, [fib, fibEffectiveVisible, selectedOverlayId]);

+  useEffect(() => {
+    if (!onResetViewReady) return;
+    onResetViewReady(() => resetChartViewRef.current());
+    return () => onResetViewReady(null);
+  }, [onResetViewReady]);
+
  return (
    <>
-      {!isExternalFullscreen && isFullscreen ? <div className="chartBackdrop" onClick={() => setIsFullscreen(false)} /> : null}
-      <Card className={cardClassName} style={cardStyle}>
+      {isFullscreen ? <div className="chartBackdrop" onClick={() => setIsFullscreen(false)} /> : null}
+      <Card className={cardClassName}>
        <div className="chartCard__toolbar">
          <ChartToolbar
+            tickerItems={tickerItems}
            timeframe={timeframe}
            onTimeframeChange={onTimeframeChange}
            showIndicators={showIndicators}
@@ -334,8 +352,8 @@ export default function ChartPanel({
            priceAutoScale={priceAutoScale}
            onTogglePriceAutoScale={() => setPriceAutoScale((v) => !v)}
            seriesLabel={seriesLabel}
-            isFullscreen={effectiveFullscreen}
-            onToggleFullscreen={toggleFullscreen}
+            isFullscreen={isFullscreen}
+            onToggleFullscreen={() => setIsFullscreen((v) => !v)}
          />
        </div>
        <div className="chartCard__content">
@@ -348,12 +366,13 @@ export default function ChartPanel({
            onToggleLayers={() => setLayersOpen((v) => !v)}
            onZoomIn={() => zoomTime(0.8)}
            onZoomOut={() => zoomTime(1.25)}
-            onResetView={() => chartApiRef.current?.timeScale().resetTimeScale()}
+            onResetView={resetChartView}
            onClearFib={clearFib}
          />
          <div className="chartCard__chart">
            <TradingChart
              candles={candles}
+              theme={theme}
              oracle={indicators.oracle}
              sma20={indicators.sma20}
              ema20={indicators.ema20}
@@ -367,8 +386,11 @@ export default function ChartPanel({
              fibOpacity={fibEffectiveOpacity}
              fibSelected={fibSelected}
              priceAutoScale={priceAutoScale}
-              onReady={({ chart }) => {
+              hasMoreHistory={hasMoreHistory}
+              onRequestHistoryBefore={onRequestHistoryBefore}
+              onReady={({ chart, candles: candleSeries }) => {
                chartApiRef.current = chart;
+                candleSeriesRef.current = candleSeries;
              }}
              onChartClick={(p) => {
                if (activeTool === 'fib-retracement') {
--- a/apps/visualizer/src/features/chart/ChartToolbar.tsx
+++ b/apps/visualizer/src/features/chart/ChartToolbar.tsx
@@ -1,6 +1,8 @@
 import Button from '../../ui/Button';
+import TickerBar, { type TickerItem } from '../tickerbar/TickerBar';

 type Props = {
+  tickerItems: TickerItem[];
  timeframe: string;
  onTimeframeChange: (tf: string) => void;
  showIndicators: boolean;
@@ -14,9 +16,10 @@ type Props = {
  onToggleFullscreen: () => void;
 };

-const timeframes = ['1s', '3s', '5s', '15s', '30s', '1m', '3m', '5m', '15m', '30m', '1h', '4h', '12h', '1d'] as const;
+const timeframes = ['1s', '3s', '5s', '15s', '30s', '1m', '5m', '15m', '1h', '4h', '1D'] as const;

 export default function ChartToolbar({
+  tickerItems,
  timeframe,
  onTimeframeChange,
  showIndicators,
@@ -32,6 +35,7 @@ export default function ChartToolbar({
  return (
    <div className="chartToolbar">
      <div className="chartToolbar__group">
+        <TickerBar items={tickerItems} className="tickerBar--toolbar" />
        {timeframes.map((tf) => (
          <Button
            key={tf}
--- a/apps/visualizer/src/features/chart/KeyboardCursorPrimitive.ts
+++ b/apps/visualizer/src/features/chart/KeyboardCursorPrimitive.ts
@@ -0,0 +1,147 @@
+import type {
+  IPrimitivePaneRenderer,
+  IPrimitivePaneView,
+  ISeriesApi,
+  ISeriesPrimitive,
+  SeriesAttachedParameter,
+  Time,
+} from 'lightweight-charts';
+
+export type KeyboardCursorPoint = {
+  price: number;
+  color: string;
+};
+
+export type KeyboardCursorState = {
+  time: number;
+  price: number;
+  points: KeyboardCursorPoint[];
+};
+
+type State = {
+  cursor: KeyboardCursorState | null;
+  series: ISeriesApi<'Candlestick', Time> | null;
+  chart: SeriesAttachedParameter<Time>['chart'] | null;
+  lineColor: string;
+};
+
+class KeyboardCursorPaneRenderer implements IPrimitivePaneRenderer {
+  private readonly _getState: () => State;
+
+  constructor(getState: () => State) {
+    this._getState = getState;
+  }
+
+  draw(target: any) {
+    const { cursor, series, chart, lineColor } = this._getState();
+    if (!cursor || !series || !chart) return;
+
+    const x = chart.timeScale().timeToCoordinate(cursor.time as any);
+    const y = series.priceToCoordinate(cursor.price);
+    if (x == null || y == null) return;
+
+    target.useBitmapCoordinateSpace(({ context, bitmapSize, horizontalPixelRatio, verticalPixelRatio }: any) => {
+      context.save();
+      try {
+        const xPx = Math.round(x * horizontalPixelRatio);
+        const yPx = Math.round(y * verticalPixelRatio);
+
+        context.strokeStyle = lineColor;
+        context.lineWidth = Math.max(1, Math.round(1 * horizontalPixelRatio));
+        context.setLineDash([Math.max(3, Math.round(6 * horizontalPixelRatio)), Math.max(3, Math.round(6 * horizontalPixelRatio))]);
+
+        context.beginPath();
+        context.moveTo(xPx, 0);
+        context.lineTo(xPx, bitmapSize.height);
+        context.stroke();
+
+        context.beginPath();
+        context.moveTo(0, yPx);
+        context.lineTo(bitmapSize.width, yPx);
+        context.stroke();
+        context.setLineDash([]);
+
+        const outerR = Math.max(3, Math.round(4 * horizontalPixelRatio));
+        const innerR = Math.max(2, Math.round(2.5 * horizontalPixelRatio));
+
+        for (const point of cursor.points) {
+          if (!Number.isFinite(point.price)) continue;
+          const pointY = series.priceToCoordinate(point.price);
+          if (pointY == null) continue;
+          const pointYPx = Math.round(pointY * verticalPixelRatio);
+
+          context.fillStyle = lineColor;
+          context.beginPath();
+          context.arc(xPx, pointYPx, outerR, 0, Math.PI * 2);
+          context.fill();
+
+          context.fillStyle = point.color;
+          context.beginPath();
+          context.arc(xPx, pointYPx, innerR, 0, Math.PI * 2);
+          context.fill();
+        }
+      } finally {
+        context.restore();
+      }
+    });
+  }
+}
+
+class KeyboardCursorPaneView implements IPrimitivePaneView {
+  private readonly _renderer: KeyboardCursorPaneRenderer;
+
+  constructor(getState: () => State) {
+    this._renderer = new KeyboardCursorPaneRenderer(getState);
+  }
+
+  zOrder() {
+    return 'top';
+  }
+
+  renderer() {
+    return this._renderer;
+  }
+}
+
+export class KeyboardCursorPrimitive implements ISeriesPrimitive<Time> {
+  private _param: SeriesAttachedParameter<Time> | null = null;
+  private _series: ISeriesApi<'Candlestick', Time> | null = null;
+  private _cursor: KeyboardCursorState | null = null;
+  private _lineColor = 'rgba(96,165,250,0.92)';
+  private readonly _paneView: KeyboardCursorPaneView;
+  private readonly _paneViews: readonly IPrimitivePaneView[];
+
+  constructor() {
+    this._paneView = new KeyboardCursorPaneView(() => ({
+      cursor: this._cursor,
+      series: this._series,
+      chart: this._param?.chart ?? null,
+      lineColor: this._lineColor,
+    }));
+    this._paneViews = [this._paneView];
+  }
+
+  attached(param: SeriesAttachedParameter<Time>) {
+    this._param = param;
+    this._series = param.series as ISeriesApi<'Candlestick', Time>;
+  }
+
+  detached() {
+    this._param = null;
+    this._series = null;
+  }
+
+  paneViews() {
+    return this._paneViews;
+  }
+
+  setCursor(next: KeyboardCursorState | null) {
+    this._cursor = next;
+    this._param?.requestUpdate();
+  }
+
+  setLineColor(next: string) {
+    this._lineColor = String(next || '').trim() || 'rgba(96,165,250,0.92)';
+    this._param?.requestUpdate();
+  }
+}
--- a/apps/visualizer/src/features/chart/TradingChart.tsx
+++ b/apps/visualizer/src/features/chart/TradingChart.tsx
@@ -22,9 +22,11 @@ import {
 } from 'lightweight-charts';
 import type { Candle, SeriesPoint } from '../../lib/api';
 import { FibRetracementPrimitive, type FibAnchor, type FibRetracement } from './FibRetracementPrimitive';
+import { KeyboardCursorPrimitive, type KeyboardCursorPoint, type KeyboardCursorState } from './KeyboardCursorPrimitive';

 type Props = {
  candles: Candle[];
+  theme: 'day' | 'night';
  oracle?: SeriesPoint[];
  sma20?: SeriesPoint[];
  ema20?: SeriesPoint[];
@@ -46,6 +48,8 @@ type Props = {
  fibOpacity?: number;
  fibSelected?: boolean;
  priceAutoScale?: boolean;
+  hasMoreHistory?: boolean;
+  onRequestHistoryBefore?: (beforeTime: number) => Promise<void> | void;
  onReady?: (api: { chart: IChartApi; candles: ISeriesApi<'Candlestick', UTCTimestamp> }) => void;
  onChartClick?: (p: FibAnchor & { target: 'chart' | 'fib' }) => void;
  onChartCrosshairMove?: (p: FibAnchor) => void;
@@ -69,6 +73,32 @@ const BUILD_FLAT_COLOR = '#60a5fa';
 const BUILD_UP_SLICE = 'rgba(34,197,94,0.70)';
 const BUILD_DOWN_SLICE = 'rgba(239,68,68,0.70)';
 const BUILD_FLAT_SLICE = 'rgba(96,165,250,0.70)';
+const ORACLE_CURSOR_POINT = 'rgba(251,146,60,0.95)';
+const SMA_CURSOR_POINT = 'rgba(248,113,113,0.95)';
+const EMA_CURSOR_POINT = 'rgba(52,211,153,0.95)';
+const BB_UPPER_CURSOR_POINT = 'rgba(250,204,21,0.85)';
+const BB_LOWER_CURSOR_POINT = 'rgba(163,163,163,0.85)';
+const BB_MID_CURSOR_POINT = 'rgba(250,204,21,0.65)';
+
+function chartPalette(theme: 'day' | 'night') {
+  if (theme === 'day') {
+    return {
+      textColor: '#112036',
+      gridColor: 'rgba(17,32,54,0.08)',
+      crosshairColor: 'rgba(71,85,105,0.28)',
+      scaleBorder: 'rgba(17,32,54,0.12)',
+      volumeColor: 'rgba(17,32,54,0.16)',
+    };
+  }
+
+  return {
+    textColor: '#e6e9ef',
+    gridColor: 'rgba(255,255,255,0.06)',
+    crosshairColor: 'rgba(226,232,240,0.22)',
+    scaleBorder: 'rgba(255,255,255,0.08)',
+    volumeColor: 'rgba(255,255,255,0.15)',
+  };
+}

 function toTime(t: number): UTCTimestamp {
  return t as UTCTimestamp;
@@ -128,9 +158,7 @@ function toVolumeData(candles: Candle[]): HistogramData[] {

 function toLineSeries(points: SeriesPoint[] | undefined): LinePoint[] {
  if (!points?.length) return [];
-  return points.map((p) =>
-    p.value == null ? ({ time: toTime(p.time) } as WhitespaceData) : { time: toTime(p.time), value: p.value }
-  );
+  return points.map((p) => (p.value == null ? ({ time: toTime(p.time) } as WhitespaceData) : { time: toTime(p.time), value: p.value }));
 }

 function colorForDelta(delta: number): string {
@@ -487,6 +515,7 @@ class BuildSlicesPrimitive implements ISeriesPrimitive<Time> {

 export default function TradingChart({
  candles,
+  theme,
  oracle,
  sma20,
  ema20,
@@ -500,6 +529,8 @@ export default function TradingChart({
  fibOpacity = 1,
  fibSelected = false,
  priceAutoScale = true,
+  hasMoreHistory = false,
+  onRequestHistoryBefore,
  onReady,
  onChartClick,
  onChartCrosshairMove,
@@ -517,14 +548,24 @@ export default function TradingChart({
  const onChartClickRef = useRef<Props['onChartClick']>(onChartClick);
  const onChartCrosshairMoveRef = useRef<Props['onChartCrosshairMove']>(onChartCrosshairMove);
  const onPointerEventRef = useRef<Props['onPointerEvent']>(onPointerEvent);
+  const onRequestHistoryBeforeRef = useRef<Props['onRequestHistoryBefore']>(onRequestHistoryBefore);
  const capturedOverlayPointerRef = useRef<number | null>(null);
  const buildSlicesPrimitiveRef = useRef<BuildSlicesPrimitive | null>(null);
+  const keyboardCursorPrimitiveRef = useRef<KeyboardCursorPrimitive | null>(null);
  const buildSamplesRef = useRef<Map<number, BuildSample[]>>(new Map());
  const buildKeyRef = useRef<string | null>(null);
  const lastBuildCandleStartRef = useRef<number | null>(null);
  const hoverCandleTimeRef = useRef<number | null>(null);
  const [hoverCandleTime, setHoverCandleTime] = useState<number | null>(null);
+  const [keyboardCursor, setKeyboardCursor] = useState<KeyboardCursorState | null>(null);
  const priceLinesRef = useRef<Map<string, any>>(new Map());
+  const candlesRef = useRef<Candle[]>(candles);
+  const hasMoreHistoryRef = useRef<boolean>(hasMoreHistory);
+  const requestedHistoryBeforeRef = useRef<number | null>(null);
+  const prevSeriesKeyRef = useRef<string | null>(null);
+  const prevFirstTimeRef = useRef<number | null>(null);
+  const prevCandlesLenRef = useRef<number>(0);
+  const keyboardCursorRef = useRef<KeyboardCursorState | null>(keyboardCursor);
  const seriesRef = useRef<{
    candles?: ISeriesApi<'Candlestick'>;
    volume?: ISeriesApi<'Histogram'>;
@@ -545,6 +586,7 @@ export default function TradingChart({
  const bbUpper = useMemo(() => toLineSeries(bb20?.upper), [bb20?.upper]);
  const bbLower = useMemo(() => toLineSeries(bb20?.lower), [bb20?.lower]);
  const bbMid = useMemo(() => toLineSeries(bb20?.mid), [bb20?.mid]);
+  const palette = useMemo(() => chartPalette(theme), [theme]);
  const priceFormat = useMemo(() => {
    const sample = samplePriceFromCandles(candles);
    return sample == null ? { type: 'price' as const, precision: 2, minMove: 0.01 } : priceFormatForSample(sample);
@@ -566,6 +608,10 @@ export default function TradingChart({
    onPointerEventRef.current = onPointerEvent;
  }, [onPointerEvent]);

+  useEffect(() => {
+    onRequestHistoryBeforeRef.current = onRequestHistoryBefore;
+  }, [onRequestHistoryBefore]);
+
  useEffect(() => {
    fibRef.current = fib ?? null;
  }, [fib]);
@@ -579,6 +625,93 @@ export default function TradingChart({
    priceAutoScaleRef.current = priceAutoScale;
  }, [priceAutoScale]);

+  useEffect(() => {
+    candlesRef.current = candles;
+  }, [candles]);
+
+  useEffect(() => {
+    hasMoreHistoryRef.current = hasMoreHistory;
+  }, [hasMoreHistory]);
+
+  useEffect(() => {
+    keyboardCursorRef.current = keyboardCursor;
+  }, [keyboardCursor]);
+
+  function setHoverTime(next: number | null) {
+    if (hoverCandleTimeRef.current !== next) {
+      hoverCandleTimeRef.current = next;
+      setHoverCandleTime(next);
+    }
+  }
+
+  function findCandleIndexByTime(items: Candle[], time: number | null): number {
+    if (time == null || !items.length) return -1;
+    let lo = 0;
+    let hi = items.length - 1;
+    while (lo <= hi) {
+      const mid = (lo + hi) >> 1;
+      const midTime = items[mid]!.time;
+      if (midTime === time) return mid;
+      if (midTime < time) lo = mid + 1;
+      else hi = mid - 1;
+    }
+    return Math.max(0, Math.min(items.length - 1, lo));
+  }
+
+  function ensureLogicalIndexVisible(index: number, alignRight = false) {
+    const chart = chartRef.current;
+    if (!chart) return;
+    const range = chart.timeScale().getVisibleLogicalRange();
+    if (!range) return;
+
+    const from = Number(range.from);
+    const to = Number(range.to);
+    const span = Math.max(5, to - from);
+    const leftPad = Math.max(2, Math.floor(span * 0.12));
+    const rightPad = Math.max(2, Math.floor(span * 0.12));
+
+    if (alignRight) {
+      chart.timeScale().setVisibleLogicalRange({
+        from: index - span + rightPad,
+        to: index + rightPad,
+      });
+      return;
+    }
+
+    if (index < from + leftPad) {
+      chart.timeScale().setVisibleLogicalRange({
+        from: index - leftPad,
+        to: index - leftPad + span,
+      });
+      return;
+    }
+
+    if (index > to - rightPad) {
+      chart.timeScale().setVisibleLogicalRange({
+        from: index + rightPad - span,
+        to: index + rightPad,
+      });
+    }
+  }
+
+  function activateKeyboardCursor(index: number, options?: { alignRight?: boolean; scrollToRealTime?: boolean }) {
+    const chart = chartRef.current;
+    const items = candlesRef.current;
+    if (!chart || !items.length) return;
+
+    const safeIndex = Math.max(0, Math.min(items.length - 1, Math.round(index)));
+    const candle = items[safeIndex]!;
+
+    if (options?.scrollToRealTime) chart.timeScale().scrollToRealTime();
+    ensureLogicalIndexVisible(safeIndex, Boolean(options?.alignRight));
+    setKeyboardCursor({ time: candle.time, price: candle.close, points: [] });
+    onChartCrosshairMoveRef.current?.({ logical: safeIndex, price: candle.close });
+  }
+
+  function clearKeyboardCursor() {
+    setKeyboardCursor(null);
+  }
+
  useEffect(() => {
    showBuildRef.current = showBuild;
    if (!showBuild && (hoverCandleTimeRef.current != null || hoverCandleTime != null)) {
@@ -594,21 +727,21 @@ export default function TradingChart({
    const chart = createChart(containerRef.current, {
      layout: {
        background: { type: ColorType.Solid, color: 'rgba(0,0,0,0)' },
-        textColor: '#e6e9ef',
+        textColor: palette.textColor,
        fontFamily:
          'system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, sans-serif',
      },
      grid: {
-        vertLines: { color: 'rgba(255,255,255,0.06)' },
-        horzLines: { color: 'rgba(255,255,255,0.06)' },
+        vertLines: { color: palette.gridColor },
+        horzLines: { color: palette.gridColor },
      },
      crosshair: {
        mode: CrosshairMode.Normal,
-        vertLine: { color: 'rgba(255,255,255,0.18)', style: LineStyle.Dashed },
-        horzLine: { color: 'rgba(255,255,255,0.18)', style: LineStyle.Dashed },
+        vertLine: { color: palette.crosshairColor, style: LineStyle.Dashed },
+        horzLine: { color: palette.crosshairColor, style: LineStyle.Dashed },
      },
-      rightPriceScale: { borderColor: 'rgba(255,255,255,0.08)' },
-      timeScale: { borderColor: 'rgba(255,255,255,0.08)', timeVisible: true, secondsVisible: false },
+      rightPriceScale: { borderColor: palette.scaleBorder },
+      timeScale: { borderColor: palette.scaleBorder, timeVisible: true, secondsVisible: false },
      handleScale: { mouseWheel: true, pinch: true },
      handleScroll: { mouseWheel: true, pressedMouseMove: true, horzTouchDrag: true, vertTouchDrag: true },
    });
@@ -622,6 +755,10 @@ export default function TradingChart({
      wickDownColor: '#ef4444',
      priceFormat,
    });
+    const keyboardCursorPrimitive = new KeyboardCursorPrimitive();
+    candleSeries.attachPrimitive(keyboardCursorPrimitive);
+    keyboardCursorPrimitiveRef.current = keyboardCursorPrimitive;
+    keyboardCursorPrimitive.setLineColor(palette.crosshairColor);

    const fibPrimitive = new FibRetracementPrimitive();
    candleSeries.attachPrimitive(fibPrimitive);
@@ -632,7 +769,7 @@ export default function TradingChart({
    const volumeSeries = chart.addSeries(HistogramSeries, {
      priceFormat: { type: 'volume' },
      priceScaleId: '',
-      color: 'rgba(255,255,255,0.15)',
+      color: palette.volumeColor,
    });
    volumeSeries.priceScale().applyOptions({
      scaleMargins: { top: 0.88, bottom: 0 },
@@ -696,6 +833,12 @@ export default function TradingChart({
      if (logical == null) return;
      const price = candleSeries.coordinateToPrice(param.point.y);
      if (price == null) return;
+      const clickedTime = typeof param?.time === 'number' ? Number(param.time) : null;
+      const clickedIndex =
+        clickedTime != null && Number.isFinite(clickedTime)
+          ? findCandleIndexByTime(candlesRef.current, clickedTime)
+          : Math.max(0, Math.min(candlesRef.current.length - 1, Math.round(Number(logical))));
+      const clickedCandle = candlesRef.current[clickedIndex] ?? null;

      const currentFib = fibRef.current;
      let target: 'chart' | 'fib' = 'chart';
@@ -724,6 +867,11 @@ export default function TradingChart({
        }
      }

+      if (clickedCandle) {
+        const chart = chartRef.current;
+        if (chart) ensureLogicalIndexVisible(clickedIndex);
+        setKeyboardCursor({ time: clickedCandle.time, price: Number(price), points: [] });
+      }
      onChartClickRef.current?.({ logical: Number(logical), price: Number(price), target });
    };
    chart.subscribeClick(onClick);
@@ -731,20 +879,14 @@ export default function TradingChart({
    const onCrosshairMove = (param: any) => {
      if (!param?.point) {
        if (showBuildRef.current && hoverCandleTimeRef.current != null) {
-          hoverCandleTimeRef.current = null;
-          setHoverCandleTime(null);
+          setHoverTime(null);
        }
        return;
      }

-      if (showBuildRef.current) {
-        const t = typeof param?.time === 'number' ? Number(param.time) : null;
-        const next = t != null && Number.isFinite(t) ? t : null;
-        if (hoverCandleTimeRef.current !== next) {
-          hoverCandleTimeRef.current = next;
-          setHoverCandleTime(next);
-        }
-      }
+      const t = typeof param?.time === 'number' ? Number(param.time) : null;
+      const next = t != null && Number.isFinite(t) ? t : null;
+      setHoverTime(next);

      const logical = param.logical ?? chart.timeScale().coordinateToLogical(param.point.x);
      if (logical == null) return;
@@ -754,7 +896,27 @@ export default function TradingChart({
    };
    chart.subscribeCrosshairMove(onCrosshairMove);

+    const onVisibleLogicalRangeChange = (range: { from: number; to: number } | null) => {
+      if (!range) return;
+      if (!hasMoreHistoryRef.current) return;
+      const currentCandles = candlesRef.current;
+      const oldestTime = currentCandles[0]?.time;
+      if (!oldestTime) return;
+
+      const threshold = Math.min(40, Math.max(8, Math.floor(currentCandles.length * 0.1)));
+      if (Number(range.from) > threshold) {
+        requestedHistoryBeforeRef.current = null;
+        return;
+      }
+
+      if (requestedHistoryBeforeRef.current === oldestTime) return;
+      requestedHistoryBeforeRef.current = oldestTime;
+      void onRequestHistoryBeforeRef.current?.(oldestTime);
+    };
+    chart.timeScale().subscribeVisibleLogicalRangeChange(onVisibleLogicalRangeChange);
+
    const container = containerRef.current;
+    const focusContainer = () => containerRef.current?.focus({ preventScroll: true });
    const toAnchorFromPoint = (x: number, y: number): FibAnchor | null => {
      const logical = chart.timeScale().coordinateToLogical(x);
      if (logical == null) return null;
@@ -789,6 +951,7 @@ export default function TradingChart({

    const onOverlayPointer = (e: PointerEvent) => {
      if (!containerRef.current) return;
+      focusContainer();
      const rect = containerRef.current.getBoundingClientRect();
      const x = e.clientX - rect.left;
      const y = e.clientY - rect.top;
@@ -847,6 +1010,25 @@ export default function TradingChart({
    container?.addEventListener('pointercancel', onOverlayPointer, { capture: true });

    const onWheel = (e: WheelEvent) => {
+      if (e.shiftKey && !e.ctrlKey) {
+        const range = chart.timeScale().getVisibleLogicalRange();
+        if (!range) return;
+
+        const rawDelta = Math.abs(e.deltaX) > Math.abs(e.deltaY) ? e.deltaX : e.deltaY;
+        if (!Number.isFinite(rawDelta) || rawDelta === 0) return;
+
+        e.preventDefault();
+        e.stopPropagation();
+
+        const span = Math.max(5, Number(range.to) - Number(range.from));
+        const shift = (rawDelta / 120) * Math.max(1, span * 0.12);
+        chart.timeScale().setVisibleLogicalRange({
+          from: Number(range.from) + shift,
+          to: Number(range.to) + shift,
+        });
+        return;
+      }
+
      if (!e.ctrlKey) return;
      if (!containerRef.current) return;
      e.preventDefault();
@@ -891,6 +1073,7 @@ export default function TradingChart({

    let pan: { pointerId: number; startPrice: number; startRange: { from: number; to: number } } | null = null;
    const onPointerDown = (e: PointerEvent) => {
+      focusContainer();
      if (e.button !== 0) return;
      if (!e.ctrlKey) return;
      if (priceAutoScaleRef.current) return;
@@ -966,6 +1149,56 @@ export default function TradingChart({
    container?.addEventListener('pointerup', stopPan, { capture: true });
    container?.addEventListener('pointercancel', stopPan, { capture: true });

+    const onKeyDown = (e: KeyboardEvent) => {
+      if (!candlesRef.current.length) return;
+      if (e.ctrlKey || e.metaKey) return;
+
+      const items = candlesRef.current;
+      const lastIndex = items.length - 1;
+      const hoveredIndex = findCandleIndexByTime(items, keyboardCursorRef.current?.time ?? hoverCandleTimeRef.current);
+      const baseIndex = hoveredIndex >= 0 ? hoveredIndex : lastIndex;
+      const step = e.shiftKey ? 10 : 1;
+
+      if (e.altKey) {
+        if (!e.shiftKey && e.key.toLowerCase() === 'l') {
+          e.preventDefault();
+          activateKeyboardCursor(lastIndex, { alignRight: true, scrollToRealTime: true });
+        }
+        return;
+      }
+
+      if (e.key === 'ArrowLeft') {
+        e.preventDefault();
+        activateKeyboardCursor(baseIndex - step);
+        return;
+      }
+
+      if (e.key === 'ArrowRight') {
+        e.preventDefault();
+        activateKeyboardCursor(baseIndex + step);
+        return;
+      }
+
+      if (e.key === 'Home') {
+        e.preventDefault();
+        activateKeyboardCursor(0);
+        return;
+      }
+
+      if (e.key === 'End') {
+        e.preventDefault();
+        activateKeyboardCursor(lastIndex, { alignRight: true, scrollToRealTime: true });
+        return;
+      }
+
+      if (e.key === 'Escape' && keyboardCursorRef.current != null) {
+        e.preventDefault();
+        clearKeyboardCursor();
+      }
+    };
+
+    container?.addEventListener('keydown', onKeyDown);
+
    const ro = new ResizeObserver(() => {
      if (!containerRef.current) return;
      const { width, height } = containerRef.current.getBoundingClientRect();
@@ -976,6 +1209,7 @@ export default function TradingChart({
    return () => {
      chart.unsubscribeClick(onClick);
      chart.unsubscribeCrosshairMove(onCrosshairMove);
+      chart.timeScale().unsubscribeVisibleLogicalRangeChange(onVisibleLogicalRangeChange);
      container?.removeEventListener('pointerdown', onOverlayPointer, { capture: true });
      container?.removeEventListener('pointermove', onOverlayPointer, { capture: true });
      container?.removeEventListener('pointerup', onOverlayPointer, { capture: true });
@@ -985,6 +1219,7 @@ export default function TradingChart({
      container?.removeEventListener('pointermove', onPointerMove, { capture: true });
      container?.removeEventListener('pointerup', stopPan, { capture: true });
      container?.removeEventListener('pointercancel', stopPan, { capture: true });
+      container?.removeEventListener('keydown', onKeyDown);
      ro.disconnect();
      if (fibPrimitiveRef.current) {
        candleSeries.detachPrimitive(fibPrimitiveRef.current);
@@ -994,6 +1229,10 @@ export default function TradingChart({
        volumeSeries.detachPrimitive(buildSlicesPrimitiveRef.current);
        buildSlicesPrimitiveRef.current = null;
      }
+      if (keyboardCursorPrimitiveRef.current) {
+        candleSeries.detachPrimitive(keyboardCursorPrimitiveRef.current);
+        keyboardCursorPrimitiveRef.current = null;
+      }
      const lines = priceLinesRef.current;
      for (const line of Array.from(lines.values())) {
        try {
@@ -1009,6 +1248,38 @@ export default function TradingChart({
    };
  }, []);

+  useEffect(() => {
+    keyboardCursorPrimitiveRef.current?.setLineColor(palette.crosshairColor);
+  }, [palette.crosshairColor]);
+
+  useEffect(() => {
+    const chart = chartRef.current;
+    const volumeSeries = seriesRef.current.volume;
+    if (!chart) return;
+
+    chart.applyOptions({
+      layout: {
+        background: { type: ColorType.Solid, color: 'rgba(0,0,0,0)' },
+        textColor: palette.textColor,
+        fontFamily:
+          'system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, sans-serif',
+      },
+      grid: {
+        vertLines: { color: palette.gridColor },
+        horzLines: { color: palette.gridColor },
+      },
+      crosshair: {
+        mode: CrosshairMode.Normal,
+        vertLine: { color: palette.crosshairColor, style: LineStyle.Dashed },
+        horzLine: { color: palette.crosshairColor, style: LineStyle.Dashed },
+      },
+      rightPriceScale: { borderColor: palette.scaleBorder },
+      timeScale: { borderColor: palette.scaleBorder, timeVisible: true, secondsVisible: false },
+    });
+
+    volumeSeries?.applyOptions({ color: palette.volumeColor });
+  }, [palette]);
+
  useEffect(() => {
    const candlesSeries = seriesRef.current.candles;
    if (!candlesSeries) return;
@@ -1054,6 +1325,7 @@ export default function TradingChart({
        // ignore
      }
    }
+
  }, [priceLines]);

  useEffect(() => {
@@ -1130,8 +1402,8 @@ export default function TradingChart({
    buildPrimitive?.setEnabled(showBuild);

    if (showBuild) {
-      const hoverTime = hoverCandleTime;
-      const hoverCandle = hoverTime == null ? null : candles.find((c) => c.time === hoverTime);
+      const activeCursorTime = keyboardCursor?.time ?? hoverCandleTime;
+      const hoverCandle = activeCursorTime == null ? null : candles.find((c) => c.time === activeCursorTime);
      const hoverData = hoverCandle ? buildDeltaSeriesForCandle(hoverCandle, bs, map.get(hoverCandle.time)) : [];

      if (hoverData.length) {
@@ -1166,8 +1438,107 @@ export default function TradingChart({
    bucketSeconds,
    seriesKey,
    hoverCandleTime,
+    keyboardCursor,
  ]);

+  useEffect(() => {
+    const chart = chartRef.current;
+    const nextFirstTime = candles[0]?.time ?? null;
+    const nextLen = candles.length;
+    const prevFirstTime = prevFirstTimeRef.current;
+    const prevLen = prevCandlesLenRef.current;
+
+    if (chart && prevFirstTime != null && nextFirstTime != null && nextFirstTime < prevFirstTime && nextLen > prevLen) {
+      const range = chart.timeScale().getVisibleLogicalRange();
+      if (range) {
+        const delta = nextLen - prevLen;
+        chart.timeScale().setVisibleLogicalRange({
+          from: Number(range.from) + delta,
+          to: Number(range.to) + delta,
+        });
+      }
+    }
+
+    prevFirstTimeRef.current = nextFirstTime;
+    prevCandlesLenRef.current = nextLen;
+  }, [candles]);
+
+  useEffect(() => {
+    const chart = chartRef.current;
+    if (!chart) return;
+    if (!candles.length) {
+      prevSeriesKeyRef.current = seriesKey;
+      clearKeyboardCursor();
+      return;
+    }
+    if (prevSeriesKeyRef.current === seriesKey) return;
+
+    prevSeriesKeyRef.current = seriesKey;
+    requestedHistoryBeforeRef.current = null;
+    clearKeyboardCursor();
+    setHoverTime(null);
+    chart.timeScale().fitContent();
+    if (priceAutoScaleRef.current) {
+      seriesRef.current.candles?.priceScale().setAutoScale(true);
+    }
+  }, [candles.length, seriesKey]);
+
+  useEffect(() => {
+    if (!keyboardCursor) return;
+    const items = candlesRef.current;
+    if (!items.length) {
+      clearKeyboardCursor();
+      return;
+    }
+    const index = findCandleIndexByTime(items, keyboardCursor.time);
+    if (index < 0) {
+      activateKeyboardCursor(items.length - 1, { alignRight: true });
+      return;
+    }
+    ensureLogicalIndexVisible(index);
+  }, [candles, keyboardCursor]);
+
+  useEffect(() => {
+    const primitive = keyboardCursorPrimitiveRef.current;
+    if (!primitive) return;
+    if (!keyboardCursor) {
+      primitive.setCursor(null);
+      return;
+    }
+
+    const candle = candles.find((item) => item.time === keyboardCursor.time) ?? null;
+    if (!candle) {
+      primitive.setCursor(null);
+      return;
+    }
+
+    const candlePointColor = candle.close >= candle.open ? '#22c55e' : '#ef4444';
+    const points: KeyboardCursorPoint[] = [{ price: candle.close, color: candlePointColor }];
+
+    const oracleValue = oracle.find((item) => item.time === candle.time)?.value ?? null;
+    if (oracleValue != null) points.push({ price: oracleValue, color: ORACLE_CURSOR_POINT });
+
+    if (showIndicators) {
+      const smaValue = sma20?.find((item) => item.time === candle.time)?.value ?? null;
+      const emaValue = ema20?.find((item) => item.time === candle.time)?.value ?? null;
+      const bbUpperValue = bb20?.upper.find((item) => item.time === candle.time)?.value ?? null;
+      const bbLowerValue = bb20?.lower.find((item) => item.time === candle.time)?.value ?? null;
+      const bbMidValue = bb20?.mid.find((item) => item.time === candle.time)?.value ?? null;
+
+      if (smaValue != null) points.push({ price: smaValue, color: SMA_CURSOR_POINT });
+      if (emaValue != null) points.push({ price: emaValue, color: EMA_CURSOR_POINT });
+      if (bbUpperValue != null) points.push({ price: bbUpperValue, color: BB_UPPER_CURSOR_POINT });
+      if (bbLowerValue != null) points.push({ price: bbLowerValue, color: BB_LOWER_CURSOR_POINT });
+      if (bbMidValue != null) points.push({ price: bbMidValue, color: BB_MID_CURSOR_POINT });
+    }
+
+    primitive.setCursor({
+      time: candle.time,
+      price: keyboardCursor.price,
+      points,
+    });
+  }, [bb20, candles, ema20, keyboardCursor, oracle, showIndicators, sma20]);
+
  useEffect(() => {
    const s = seriesRef.current;
    if (!s.candles) return;
@@ -1215,5 +1586,5 @@ export default function TradingChart({
    ps.setVisibleRange({ from, to });
  }, [priceAutoScale]);

-  return <div className="tradingChart" ref={containerRef} />;
+  return <div className="tradingChart" ref={containerRef} tabIndex={0} aria-label="Trading chart" />;
 }
--- a/apps/visualizer/src/features/chart/useChartData.ts
+++ b/apps/visualizer/src/features/chart/useChartData.ts
@@ -1,7 +1,14 @@
 import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
-import type { Candle, ChartIndicators } from '../../lib/api';
-import { fetchChart } from '../../lib/api';
-import { useInterval } from '../../app/hooks/useInterval';
+import {
+  applyLatestRowToCandles,
+  buildChartIndicators,
+  fetchChart,
+  getChartLiveTable,
+  mergeCandles,
+  type Candle,
+  type ChartIndicators,
+} from '../../lib/api';
+import { subscribeGraphqlWs } from '../../lib/graphqlWs';

 type Params = {
  symbol: string;
@@ -15,72 +22,196 @@ type Result = {
  candles: Candle[];
  indicators: ChartIndicators;
  meta: { tf: string; bucketSeconds: number } | null;
+  dataKey: string | null;
  loading: boolean;
  error: string | null;
+  hasMoreHistory: boolean;
  refresh: () => Promise<void>;
+  requestHistoryBefore: (beforeTime: number) => Promise<void>;
 };

+type HasuraLatestRow = {
+  updated_at?: string | null;
+  oracle_price?: unknown;
+  mark_price?: unknown;
+  mid_price?: unknown;
+  source?: string | null;
+};
+
+type SubscriptionData = Record<string, HasuraLatestRow[] | undefined>;
+
 export function useChartData({ symbol, source, tf, limit, pollMs }: Params): Result {
  const [candles, setCandles] = useState<Candle[]>([]);
  const [indicators, setIndicators] = useState<ChartIndicators>({});
  const [meta, setMeta] = useState<{ tf: string; bucketSeconds: number } | null>(null);
+  const [dataKey, setDataKey] = useState<string | null>(null);
  const [loading, setLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);
-  const inFlight = useRef(false);
-  const abortRef = useRef<AbortController | null>(null);
+  const [hasMoreHistory, setHasMoreHistory] = useState(true);
+
+  const candlesRef = useRef<Candle[]>([]);
+  const controllerRef = useRef<AbortController | null>(null);
  const requestIdRef = useRef(0);
+  const loadingOlderRef = useRef(false);
+  const requestedBeforeRef = useRef<number | null>(null);

-  const fetchOnce = useCallback(
-    async ({ force }: { force: boolean }) => {
-      if (!force && inFlight.current) return;
+  const normalizedSource = useMemo(() => {
+    const raw = String(source || '').trim();
+    return raw || undefined;
+  }, [source]);
+  const queryKey = useMemo(() => JSON.stringify([symbol, normalizedSource ?? '', tf, limit]), [symbol, normalizedSource, tf, limit]);

-      // On timeframe/params change we want an immediate response — abort the older request.
-      if (force && abortRef.current) abortRef.current.abort();
+  useEffect(() => {
+    candlesRef.current = candles;
+  }, [candles]);

-      const ctrl = new AbortController();
-      abortRef.current = ctrl;
+  const replaceState = useCallback(
+    (nextCandles: Candle[], nextMeta: { tf: string; bucketSeconds: number } | null, nextDataKey: string) => {
+      candlesRef.current = nextCandles;
+      setCandles(nextCandles);
+      setIndicators(buildChartIndicators(nextCandles));
+      setMeta(nextMeta);
+      setDataKey(nextDataKey);
+    },
+    []
+  );

-      const reqId = requestIdRef.current + 1;
-      requestIdRef.current = reqId;
+  const fetchInitial = useCallback(async () => {
+    controllerRef.current?.abort();
+    const controller = new AbortController();
+    const requestId = requestIdRef.current + 1;
+    requestIdRef.current = requestId;
+    controllerRef.current = controller;
+    requestedBeforeRef.current = null;
+    loadingOlderRef.current = false;
+    setLoading(true);
+    setError(null);
+    setHasMoreHistory(true);

-      inFlight.current = true;
-      setLoading(true);
+    try {
+      const res = await fetchChart({
+        symbol,
+        source: normalizedSource,
+        tf,
+        limit,
+        signal: controller.signal,
+      });
+      if (controller.signal.aborted) return;
+      if (requestId !== requestIdRef.current) return;
+      replaceState(res.candles, res.meta, queryKey);
+      setHasMoreHistory(res.candles.length > 0);
+    } catch (e: any) {
+      if (controller.signal.aborted) return;
+      if (requestId !== requestIdRef.current) return;
+      setError(String(e?.message || e));
+    } finally {
+      if (requestId !== requestIdRef.current) return;
+      if (controllerRef.current === controller) controllerRef.current = null;
+      setLoading(false);
+    }
+  }, [limit, normalizedSource, queryKey, replaceState, symbol, tf]);
+
+  const requestHistoryBefore = useCallback(
+    async (beforeTime: number) => {
+      const currentMeta = meta;
+      if (!currentMeta) return;
+      if (loadingOlderRef.current || !hasMoreHistory) return;
+      if (!Number.isFinite(beforeTime)) return;
+
+      const cursor = Math.floor(beforeTime);
+      if (requestedBeforeRef.current === cursor) return;
+      requestedBeforeRef.current = cursor;
+      loadingOlderRef.current = true;

      try {
-        const res = await fetchChart({ symbol, source, tf, limit, signal: ctrl.signal });
-        if (requestIdRef.current !== reqId) return; // stale response
-        setCandles(res.candles);
-        setIndicators(res.indicators);
-        setMeta(res.meta);
-        setError(null);
-      } catch (e: any) {
-        // Aborts are expected during fast tf switching.
-        const name = String(e?.name || '');
-        const msg = String(e?.message || e);
-        if (name === 'AbortError' || msg.toLowerCase().includes('abort')) return;
-        if (requestIdRef.current !== reqId) return;
-        setError(msg);
-      } finally {
-        if (requestIdRef.current === reqId) {
-          setLoading(false);
-          inFlight.current = false;
+        const res = await fetchChart({
+          symbol,
+          source: normalizedSource,
+          tf,
+          limit,
+          beforeTime: cursor,
+        });
+        const older = res.candles;
+        if (!older.length) {
+          setHasMoreHistory(false);
+          return;
        }
+        const merged = mergeCandles(older, candlesRef.current);
+        replaceState(merged, currentMeta, queryKey);
+      } catch (e: any) {
+        requestedBeforeRef.current = null;
+        setError(String(e?.message || e));
+      } finally {
+        loadingOlderRef.current = false;
      }
    },
-    [symbol, source, tf, limit]
+    [hasMoreHistory, limit, meta, normalizedSource, queryKey, replaceState, symbol, tf]
  );

  useEffect(() => {
-    void fetchOnce({ force: true });
-    return () => {
-      abortRef.current?.abort();
-    };
-  }, [fetchOnce]);
+    void fetchInitial();
+  }, [fetchInitial]);

-  useInterval(() => void fetchOnce({ force: false }), pollMs);
+  useEffect(() => {
+    return () => controllerRef.current?.abort();
+  }, []);
+
+  useEffect(() => {
+    if (!symbol || !meta) return;
+
+    const table = getChartLiveTable(symbol);
+    const sourceClause = normalizedSource ? 'source: {_eq: $source}' : '';
+    const query = `
+      subscription ChartLive($market: String!${normalizedSource ? ', $source: String!' : ''}) {
+        ${table}(
+          where: {
+            market_name: {_eq: $market}
+            is_indicative: {_eq: false}
+            ${sourceClause}
+          }
+          limit: 1
+        ) {
+          updated_at
+          oracle_price
+          mark_price
+          mid_price
+          source
+        }
+      }
+    `;
+
+    const sub = subscribeGraphqlWs<SubscriptionData>({
+      query,
+      variables: {
+        market: symbol,
+        ...(normalizedSource ? { source: normalizedSource } : {}),
+      },
+      pollMs,
+      onError: (nextError) => setError(nextError),
+      onData: (data) => {
+        const row = data?.[table]?.[0];
+        if (!row) return;
+        const nextCandles = applyLatestRowToCandles(candlesRef.current, row, meta.bucketSeconds);
+        if (nextCandles === candlesRef.current) return;
+        replaceState(nextCandles, meta, queryKey);
+      },
+    });
+
+    return () => sub.unsubscribe();
+  }, [meta, normalizedSource, pollMs, queryKey, replaceState, symbol]);

  return useMemo(
-    () => ({ candles, indicators, meta, loading, error, refresh: () => fetchOnce({ force: true }) }),
-    [candles, indicators, meta, loading, error, fetchOnce]
+    () => ({
+      candles,
+      indicators,
+      meta,
+      dataKey,
+      loading,
+      error,
+      hasMoreHistory,
+      refresh: fetchInitial,
+      requestHistoryBefore,
+    }),
+    [candles, dataKey, error, fetchInitial, hasMoreHistory, indicators, loading, meta, requestHistoryBefore]
  );
 }
--- a/apps/visualizer/src/features/contracts/ContractCostsPanel.tsx
+++ b/apps/visualizer/src/features/contracts/ContractCostsPanel.tsx
@@ -1,858 +0,0 @@
-import { useEffect, useMemo, useRef, useState } from 'react';
-import Chart from 'chart.js/auto';
-import 'chartjs-adapter-luxon';
-import { useLocalStorageState } from '../../app/hooks/useLocalStorageState';
-import Button from '../../ui/Button';
-
-type ContractMonitorResponse = {
-  ok?: boolean;
-  error?: string;
-  contract?: any;
-  eventsCount?: number;
-  costs?: {
-    tradeFeeUsd: number;
-    txFeeUsd: number;
-    slippageUsd: number;
-    fundingUsd: number;
-    realizedPnlUsd: number;
-    totalCostsUsd: number;
-    netPnlUsd: number;
-    txCount: number;
-    fillCount: number;
-    cancelCount: number;
-    modifyCount: number;
-    errorCount: number;
-  };
-  series?: Array<{
-    ts: string;
-    tradeFeeUsd: number;
-    txFeeUsd: number;
-    slippageUsd: number;
-    fundingUsd: number;
-    totalCostsUsd: number;
-    realizedPnlUsd: number;
-    netPnlUsd: number;
-  }> | null;
-  closeEstimate?: any;
-};
-
-type CostEstimateResponse = {
-  ok?: boolean;
-  error?: string;
-  input?: any;
-  dlob?: any;
-  breakdown?: {
-    trade_fee_usd: number;
-    slippage_usd: number;
-    tx_fee_usd: number;
-    expected_modify_usd: number;
-    total_usd: number;
-    total_bps: number;
-    breakeven_bps: number;
-  };
-};
-
-function formatUsd(v: number | null | undefined): string {
-  if (v == null || !Number.isFinite(v)) return '—';
-  const abs = Math.abs(v);
-  if (abs >= 1_000_000) return `$${(v / 1_000_000).toFixed(2)}M`;
-  if (abs >= 1000) return `$${(v / 1000).toFixed(1)}K`;
-  return `$${v.toFixed(4)}`;
-}
-
-function formatBps(v: number | null | undefined): string {
-  if (v == null || !Number.isFinite(v)) return '—';
-  return `${v.toFixed(2)} bps`;
-}
-
-function clampNumber(v: number, min: number, max: number): number {
-  if (!Number.isFinite(v)) return min;
-  return Math.min(max, Math.max(min, v));
-}
-
-function MiniLineChart({
-  title,
-  points,
-  valueKey,
-  format,
-}: {
-  title: string;
-  points: Array<Record<string, any>>;
-  valueKey: string;
-  format?: (v: number | null | undefined) => string;
-}) {
-  const values = useMemo(() => {
-    const out: number[] = [];
-    for (const p of points) {
-      const v = Number(p?.[valueKey]);
-      if (Number.isFinite(v)) out.push(v);
-    }
-    return out;
-  }, [points, valueKey]);
-
-  const last = values.length ? values[values.length - 1] : null;
-  const min = values.length ? Math.min(...values) : 0;
-  const max = values.length ? Math.max(...values) : 1;
-  const span = max - min || 1;
-  const w = 360;
-  const h = 84;
-  const pad = 6;
-
-  const d = useMemo(() => {
-    if (!values.length) return '';
-    const step = values.length > 1 ? (w - pad * 2) / (values.length - 1) : 0;
-    let path = '';
-    for (let i = 0; i < values.length; i++) {
-      const x = pad + i * step;
-      const y = pad + ((max - values[i]) / span) * (h - pad * 2);
-      path += i === 0 ? `M ${x.toFixed(2)} ${y.toFixed(2)}` : ` L ${x.toFixed(2)} ${y.toFixed(2)}`;
-    }
-    return path;
-  }, [h, max, span, values, w]);
-
-  const cls = last != null && last >= 0 ? 'pos' : 'neg';
-  const fmt = format || formatUsd;
-
-  return (
-    <div className="costChart">
-      <div className="costChart__head">
-        <span className="costChart__title">{title}</span>
-        <span className={['costChart__value', cls].join(' ')}>{fmt(last)}</span>
-      </div>
-      {values.length ? (
-        <svg className="costChart__svg" viewBox={`0 0 ${w} ${h}`} preserveAspectRatio="none">
-          <path d={d} fill="none" stroke="rgba(168, 85, 247, 0.9)" strokeWidth="2" />
-          <path d={`M ${pad} ${h - pad} H ${w - pad}`} fill="none" stroke="rgba(255,255,255,0.08)" strokeWidth="1" />
-        </svg>
-      ) : (
-        <div className="muted" style={{ fontSize: 12 }}>
-          No series yet.
-        </div>
-      )}
-    </div>
-  );
-}
-
-type EstimatePoint = {
-  ts: number;
-  tradeFeeUsd: number;
-  slippageUsd: number;
-  txFeeUsd: number;
-  modifyUsd: number;
-  totalUsd: number;
-  breakevenBps: number;
-  totalBps: number;
-  midPrice: number | null;
-  vwapPrice: number | null;
-  impactBps: number | null;
-};
-
-function useWindowedEstimateSeries(points: EstimatePoint[], windowSec: number) {
-  const nowMs = Date.now();
-  const windowMs = Math.max(10, Math.min(3600, Math.floor(windowSec))) * 1000;
-  const startMs = nowMs - windowMs;
-
-  return useMemo(() => points.filter((p) => p.ts >= startMs && p.ts <= nowMs + 2000), [nowMs, points, startMs]);
-}
-
-function EstimateChart({
-  title,
-  points,
-  windowSec,
-  kind,
-}: {
-  title: string;
-  points: EstimatePoint[];
-  windowSec: number;
-  kind: 'price' | 'costUsd' | 'costBps';
-}) {
-  const canvasRef = useRef<HTMLCanvasElement | null>(null);
-  const chartRef = useRef<Chart | null>(null);
-  const windowed = useWindowedEstimateSeries(points, windowSec);
-
-  const datasets = useMemo(() => {
-    const toXY = (key: keyof EstimatePoint) =>
-      windowed.map((p) => ({
-        x: p.ts,
-        y: (p[key] as any) == null ? null : Number(p[key] as any),
-      }));
-
-    if (kind === 'price') {
-      return [
-        {
-          label: 'Mid',
-          data: toXY('midPrice'),
-          borderColor: 'rgba(96,165,250,0.95)',
-          backgroundColor: 'rgba(96,165,250,0.10)',
-          pointRadius: 0,
-          borderWidth: 2,
-          tension: 0.15,
-          yAxisID: 'price',
-        },
-        {
-          label: 'VWAP (quote)',
-          data: toXY('vwapPrice'),
-          borderColor: 'rgba(168,85,247,0.95)',
-          backgroundColor: 'rgba(168,85,247,0.10)',
-          pointRadius: 0,
-          borderDash: [6, 4],
-          borderWidth: 2,
-          tension: 0.15,
-          yAxisID: 'price',
-        },
-      ];
-    }
-
-    if (kind === 'costBps') {
-      return [
-        {
-          label: 'Impact (bps)',
-          data: toXY('impactBps'),
-          borderColor: 'rgba(34,197,94,0.95)',
-          backgroundColor: 'rgba(34,197,94,0.10)',
-          pointRadius: 0,
-          borderWidth: 2,
-          tension: 0.15,
-          yAxisID: 'bps',
-        },
-        {
-          label: 'Total (bps)',
-          data: toXY('totalBps'),
-          borderColor: 'rgba(239,68,68,0.95)',
-          backgroundColor: 'rgba(239,68,68,0.10)',
-          pointRadius: 0,
-          borderWidth: 2,
-          tension: 0.15,
-          yAxisID: 'bps',
-        },
-      ];
-    }
-
-    return [
-      {
-        label: 'Total',
-        data: toXY('totalUsd'),
-        borderColor: 'rgba(168,85,247,0.95)',
-        backgroundColor: 'rgba(168,85,247,0.10)',
-        pointRadius: 0,
-        borderWidth: 2,
-        tension: 0.15,
-        yAxisID: 'usd',
-      },
-      {
-        label: 'Slippage',
-        data: toXY('slippageUsd'),
-        borderColor: 'rgba(34,197,94,0.95)',
-        backgroundColor: 'rgba(34,197,94,0.10)',
-        pointRadius: 0,
-        borderWidth: 2,
-        tension: 0.15,
-        yAxisID: 'usd',
-      },
-      {
-        label: 'Tx',
-        data: toXY('txFeeUsd'),
-        borderColor: 'rgba(96,165,250,0.95)',
-        backgroundColor: 'rgba(96,165,250,0.10)',
-        pointRadius: 0,
-        borderDash: [6, 4],
-        borderWidth: 2,
-        tension: 0.15,
-        yAxisID: 'usd',
-      },
-    ];
-  }, [kind, windowed]);
-
-  useEffect(() => {
-    if (!canvasRef.current) return;
-    if (chartRef.current) return;
-
-    chartRef.current = new Chart(canvasRef.current, {
-      type: 'line',
-      data: { datasets: datasets as any },
-      options: {
-        responsive: true,
-        maintainAspectRatio: false,
-        animation: false,
-        parsing: false,
-        interaction: { mode: 'index', intersect: false },
-        plugins: {
-          legend: {
-            labels: {
-              color: '#e6e9ef',
-              font: { size: 13, weight: '600' },
-              boxWidth: 10,
-              boxHeight: 10,
-            },
-          },
-          tooltip: {
-            enabled: true,
-            titleFont: { size: 13, weight: '700' },
-            bodyFont: { size: 13, weight: '600' },
-          },
-        },
-        scales: {
-          x: {
-            type: 'time',
-            time: { unit: 'second' },
-            // Time labels are already readable; keep them slightly smaller than the rest.
-            ticks: { color: '#c7cbd4', font: { size: 11, weight: '600' } },
-            grid: { color: 'rgba(255,255,255,0.06)' },
-          },
-          price: {
-            type: 'linear',
-            position: 'right',
-            ticks: { color: '#c7cbd4', font: { size: 13, weight: '650' } },
-            grid: { color: 'rgba(255,255,255,0.06)' },
-            display: kind === 'price',
-          },
-          usd: {
-            type: 'linear',
-            position: 'right',
-            ticks: { color: '#c7cbd4', font: { size: 13, weight: '650' } },
-            grid: { color: 'rgba(255,255,255,0.06)' },
-            display: kind === 'costUsd',
-          },
-          bps: {
-            type: 'linear',
-            position: 'right',
-            ticks: { color: '#c7cbd4', font: { size: 13, weight: '650' } },
-            grid: { color: 'rgba(255,255,255,0.06)' },
-            display: kind === 'costBps',
-          },
-        },
-      },
-    });
-
-    return () => {
-      chartRef.current?.destroy();
-      chartRef.current = null;
-    };
-    // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [kind]);
-
-  useEffect(() => {
-    const chart = chartRef.current;
-    if (!chart) return;
-    chart.data.datasets = datasets as any;
-    chart.update('none');
-  }, [datasets]);
-
-  return (
-    <div className={['costChart', 'costChart--big', `costChart--${kind}`].join(' ')}>
-      <div className="costChart__head">
-        <span className="costChart__title">{title}</span>
-        <span className="muted" style={{ fontSize: 12 }}>
-          {windowSec}s
-        </span>
-      </div>
-      <div className="costChart__canvas">
-        <canvas ref={canvasRef} />
-      </div>
-    </div>
-  );
-}
-
-async function fetchJson<T>(url: string, init?: RequestInit): Promise<T> {
-  const res = await fetch(url, init);
-  const text = await res.text();
-  let json: any = null;
-  try {
-    json = text ? JSON.parse(text) : null;
-  } catch {
-    // ignore
-  }
-  if (!res.ok) {
-    const msg = json?.error || text || `HTTP ${res.status}`;
-    throw new Error(String(msg));
-  }
-  return (json ?? {}) as T;
-}
-
-export default function ContractCostsPanel({
-  market,
-  view,
-}: {
-  market: string;
-  view?: 'both' | 'active' | 'new';
-}) {
-  const [contractId, setContractId] = useLocalStorageState<string>('trade.contractId', '');
-  const [autoPoll, setAutoPoll] = useLocalStorageState<boolean>('trade.contractMonitor.autoPoll', true);
-  const [pollMs, setPollMs] = useLocalStorageState<number>('trade.contractMonitor.pollMs', 1500);
-
-  const [monitor, setMonitor] = useState<ContractMonitorResponse | null>(null);
-  const [monitorLoading, setMonitorLoading] = useState(false);
-  const [monitorError, setMonitorError] = useState<string | null>(null);
-  const lastMonitorAtRef = useRef<number>(0);
-
-  const normalizedContractId = useMemo(() => contractId.trim(), [contractId]);
-
-  const loadMonitor = async () => {
-    const id = normalizedContractId;
-    if (!id) return;
-    setMonitorLoading(true);
-    setMonitorError(null);
-    try {
-      const data = await fetchJson<ContractMonitorResponse>(
-        `/api/v1/contracts/${encodeURIComponent(id)}/monitor?eventsLimit=2000&series=1&seriesMax=600`,
-        {
-        method: 'GET',
-        headers: { 'cache-control': 'no-store' },
-        }
-      );
-      setMonitor(data);
-      lastMonitorAtRef.current = Date.now();
-    } catch (e: any) {
-      setMonitor(null);
-      setMonitorError(String(e?.message || e));
-    } finally {
-      setMonitorLoading(false);
-    }
-  };
-
-  useEffect(() => {
-    if (!autoPoll) return;
-    if (!normalizedContractId) return;
-    const ms = clampNumber(pollMs, 250, 30_000);
-    void loadMonitor();
-    const t = window.setInterval(() => void loadMonitor(), ms);
-    return () => window.clearInterval(t);
-    // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [autoPoll, normalizedContractId, pollMs]);
-
-  const [notionalUsd, setNotionalUsd] = useLocalStorageState<number>('trade.newContract.notionalUsd', 10);
-  const [side, setSide] = useLocalStorageState<'long' | 'short'>('trade.newContract.side', 'long');
-  const [orderType, setOrderType] = useLocalStorageState<'market' | 'limit'>('trade.newContract.orderType', 'market');
-  const [advancedOpen, setAdvancedOpen] = useLocalStorageState<boolean>('trade.newContract.advancedOpen', false);
-  const [feeTakerBps, setFeeTakerBps] = useLocalStorageState<number>('trade.newContract.feeTakerBps', 5);
-  const [feeMakerBps, setFeeMakerBps] = useLocalStorageState<number>('trade.newContract.feeMakerBps', 0);
-  const [txFeeUsdEst, setTxFeeUsdEst] = useLocalStorageState<number>('trade.newContract.txFeeUsdEst', 0);
-  const [expectedReprices, setExpectedReprices] = useLocalStorageState<number>('trade.newContract.expectedReprices', 0);
-
-  const [estimate, setEstimate] = useState<CostEstimateResponse | null>(null);
-  const [estimateLoading, setEstimateLoading] = useState(false);
-  const [estimateError, setEstimateError] = useState<string | null>(null);
-  const [autoEstimate, setAutoEstimate] = useLocalStorageState<boolean>('trade.newContract.autoEstimate', true);
-  const [estimateWindowSec, setEstimateWindowSec] = useLocalStorageState<number>('trade.newContract.estimateWindowSec', 300);
-  const estimateInFlightRef = useRef(false);
-  const [estimateSeries, setEstimateSeries] = useState<EstimatePoint[]>([]);
-
-  const runEstimate = async () => {
-    setEstimateLoading(true);
-    setEstimateError(null);
-    try {
-      const body: any = {
-        market_name: market,
-        notional_usd: notionalUsd,
-        side,
-        order_type: orderType,
-      };
-      if (advancedOpen) {
-        body.fee_taker_bps = feeTakerBps;
-        body.fee_maker_bps = feeMakerBps;
-        body.tx_fee_usd_est = txFeeUsdEst;
-        body.expected_reprices_per_entry = expectedReprices;
-      }
-      const data = await fetchJson<CostEstimateResponse>('/api/v1/contracts/costs/estimate', {
-        method: 'POST',
-        headers: { 'content-type': 'application/json' },
-        body: JSON.stringify(body),
-      });
-      setEstimate(data);
-      if (data?.breakdown) {
-        const b = data.breakdown;
-        const midPriceRaw = data?.dlob?.mid_price;
-        const vwapPriceRaw = data?.dlob?.vwap_price;
-        const impactBpsRaw = data?.dlob?.impact_bps;
-        const midPrice = midPriceRaw == null ? null : Number(midPriceRaw);
-        const vwapPrice = vwapPriceRaw == null ? null : Number(vwapPriceRaw);
-        const impactBps = impactBpsRaw == null ? null : Number(impactBpsRaw);
-        setEstimateSeries((prev) => {
-          const next = [
-            ...prev,
-            {
-              ts: Date.now(),
-              tradeFeeUsd: Number(b.trade_fee_usd ?? 0) || 0,
-              slippageUsd: Number(b.slippage_usd ?? 0) || 0,
-              txFeeUsd: Number(b.tx_fee_usd ?? 0) || 0,
-              modifyUsd: Number(b.expected_modify_usd ?? 0) || 0,
-              totalUsd: Number(b.total_usd ?? 0) || 0,
-              breakevenBps: Number(b.breakeven_bps ?? 0) || 0,
-              totalBps: Number(b.total_bps ?? b.breakeven_bps ?? 0) || 0,
-              midPrice: Number.isFinite(midPrice) ? midPrice : null,
-              vwapPrice: Number.isFinite(vwapPrice) ? vwapPrice : null,
-              impactBps: Number.isFinite(impactBps) ? impactBps : null,
-            },
-          ];
-          return next.slice(-4000);
-        });
-      }
-    } catch (e: any) {
-      setEstimate(null);
-      setEstimateError(String(e?.message || e));
-    } finally {
-      setEstimateLoading(false);
-    }
-  };
-
-  const tickEstimate = async () => {
-    if (estimateInFlightRef.current) return;
-    estimateInFlightRef.current = true;
-    try {
-      await runEstimate();
-    } finally {
-      estimateInFlightRef.current = false;
-    }
-  };
-
-  useEffect(() => {
-    if (!autoEstimate) return;
-    void tickEstimate();
-    const t = window.setInterval(() => void tickEstimate(), 1000);
-    return () => window.clearInterval(t);
-    // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [
-    autoEstimate,
-    market,
-    notionalUsd,
-    side,
-    orderType,
-    advancedOpen,
-    feeTakerBps,
-    feeMakerBps,
-    txFeeUsdEst,
-    expectedReprices,
-  ]);
-
-  const [mode, setMode] = useLocalStorageState<'both' | 'active' | 'new'>('trade.costsPanel.mode', 'both');
-  const effectiveMode = view || mode;
-
-  const showActive = effectiveMode === 'both' || effectiveMode === 'active';
-  const showNew = effectiveMode === 'both' || effectiveMode === 'new';
-
-  return (
-    <div className={['costsPanel', view ? 'costsPanel--stack' : null].filter(Boolean).join(' ')}>
-      {!view ? (
-        <div className="costsPanel__toolbar">
-          <span className="muted">View</span>
-          <Button
-            size="sm"
-            variant={mode === 'both' ? 'primary' : 'ghost'}
-            onClick={() => setMode('both')}
-            type="button"
-          >
-            Both
-          </Button>
-          <Button
-            size="sm"
-            variant={mode === 'active' ? 'primary' : 'ghost'}
-            onClick={() => setMode('active')}
-            type="button"
-          >
-            Active
-          </Button>
-          <Button
-            size="sm"
-            variant={mode === 'new' ? 'primary' : 'ghost'}
-            onClick={() => setMode('new')}
-            type="button"
-          >
-            New
-          </Button>
-        </div>
-      ) : null}
-
-      <div
-        className={['costsPanel__grid', !showActive || !showNew ? 'costsPanel__grid--single' : null]
-          .filter(Boolean)
-          .join(' ')}
-      >
-        {showActive ? (
-          <section className="costsCard">
-          <div className="costsCard__head">
-            <div className="costsCard__title">Active contract</div>
-            <div className="costsCard__actions">
-              <Button size="sm" variant={autoPoll ? 'primary' : 'ghost'} onClick={() => setAutoPoll((v) => !v)} type="button">
-                Auto
-              </Button>
-              <Button size="sm" variant="ghost" onClick={() => void loadMonitor()} type="button" disabled={!normalizedContractId || monitorLoading}>
-                Refresh
-              </Button>
-            </div>
-          </div>
-
-          <div className="costsForm">
-            <label className="inlineField">
-              <span className="inlineField__label">contract_id</span>
-              <input
-                className="inlineField__input"
-                value={contractId}
-                onChange={(e) => setContractId(e.target.value)}
-                placeholder="uuid…"
-              />
-            </label>
-            <label className="inlineField">
-              <span className="inlineField__label">poll ms</span>
-              <input
-                className="inlineField__input"
-                type="number"
-                min={250}
-                step={250}
-                value={pollMs}
-                onChange={(e) => setPollMs(Number(e.target.value))}
-                disabled={!autoPoll}
-              />
-            </label>
-          </div>
-
-          {monitorError ? <div className="uiError">{monitorError}</div> : null}
-
-          <div className="costsKpis">
-            <div className="costKpi">
-              <div className="costKpi__label">Fees</div>
-              <div className="costKpi__value">{formatUsd(monitor?.costs?.tradeFeeUsd ?? null)}</div>
-            </div>
-            <div className="costKpi">
-              <div className="costKpi__label">Tx</div>
-              <div className="costKpi__value">{formatUsd(monitor?.costs?.txFeeUsd ?? null)}</div>
-            </div>
-            <div className="costKpi">
-              <div className="costKpi__label">Slippage</div>
-              <div className="costKpi__value">{formatUsd(monitor?.costs?.slippageUsd ?? null)}</div>
-            </div>
-            <div className="costKpi">
-              <div className="costKpi__label">Funding</div>
-              <div className="costKpi__value">{formatUsd(monitor?.costs?.fundingUsd ?? null)}</div>
-            </div>
-            <div className="costKpi">
-              <div className="costKpi__label">Total costs</div>
-              <div className="costKpi__value">{formatUsd(monitor?.costs?.totalCostsUsd ?? null)}</div>
-            </div>
-            <div className="costKpi">
-              <div className="costKpi__label">Net PnL</div>
-              <div className={['costKpi__value', (monitor?.costs?.netPnlUsd ?? 0) >= 0 ? 'pos' : 'neg'].join(' ')}>
-                {formatUsd(monitor?.costs?.netPnlUsd ?? null)}
-              </div>
-            </div>
-          </div>
-
-          <div className="costsMeta muted">
-            <div>events: {monitor?.eventsCount ?? '—'}</div>
-            <div>tx: {monitor?.costs?.txCount ?? '—'}</div>
-            <div>fills: {monitor?.costs?.fillCount ?? '—'}</div>
-            <div>cancel: {monitor?.costs?.cancelCount ?? '—'}</div>
-            <div>modify: {monitor?.costs?.modifyCount ?? '—'}</div>
-          </div>
-
-          <div className="costsCard__subhead">PnL / costs over time</div>
-          <div className="costCharts">
-            <MiniLineChart title="Net PnL" points={monitor?.series || []} valueKey="netPnlUsd" />
-            <MiniLineChart title="Total costs" points={monitor?.series || []} valueKey="totalCostsUsd" />
-          </div>
-
-          <div className="costsCard__subhead">Close now (DLOB quote)</div>
-          <div className="costsClose">
-            <div className="costsClose__row">
-              <span className="muted">buy impact</span>
-              <span>{formatBps(monitor?.closeEstimate?.buy?.impact_bps ?? null)}</span>
-              <span className="muted">vwap</span>
-              <span>{monitor?.closeEstimate?.buy?.vwap_price ?? '—'}</span>
-            </div>
-            <div className="costsClose__row">
-              <span className="muted">sell impact</span>
-              <span>{formatBps(monitor?.closeEstimate?.sell?.impact_bps ?? null)}</span>
-              <span className="muted">vwap</span>
-              <span>{monitor?.closeEstimate?.sell?.vwap_price ?? '—'}</span>
-            </div>
-          </div>
-        </section>
-        ) : null}
-
-        {showNew ? (
-          <section className="costsCard costsCard--new">
-          <div className="costsCard__head">
-            <div className="costsCard__title">New contract estimate</div>
-            <div className="costsCard__actions">
-              <Button
-                size="sm"
-                variant={autoEstimate ? 'primary' : 'ghost'}
-                onClick={() => setAutoEstimate((v) => !v)}
-                type="button"
-                title="Auto refresh (1s)"
-              >
-                Auto
-              </Button>
-              <Button size="sm" variant="primary" onClick={() => void runEstimate()} type="button" disabled={estimateLoading}>
-                Estimate
-              </Button>
-              <Button size="sm" variant={advancedOpen ? 'primary' : 'ghost'} onClick={() => setAdvancedOpen((v) => !v)} type="button">
-                Advanced
-              </Button>
-            </div>
-          </div>
-
-          <div className="costsNewLayout">
-            <div className="costsNewCharts">
-              <div className="costsMeta costsMeta--new">
-                <span className="muted">Live window</span>
-                <select
-                  className="inlineField__input"
-                  value={estimateWindowSec}
-                  onChange={(e) => setEstimateWindowSec(Number(e.target.value))}
-                  style={{ width: 120 }}
-                  title="Chart window"
-                >
-                  <option value={60}>60s</option>
-                  <option value={300}>5m</option>
-                  <option value={900}>15m</option>
-                  <option value={3600}>1h</option>
-                </select>
-              </div>
-
-              <div className="costCharts costCharts--new">
-                <EstimateChart
-                  title="Price (mid vs vwap)"
-                  points={estimateSeries}
-                  windowSec={estimateWindowSec}
-                  kind="price"
-                />
-                <EstimateChart title="Costs (bps)" points={estimateSeries} windowSec={estimateWindowSec} kind="costBps" />
-                <EstimateChart title="Costs (USD)" points={estimateSeries} windowSec={estimateWindowSec} kind="costUsd" />
-              </div>
-            </div>
-
-            <aside className="costsNewSide">
-              <div className="costsForm costsForm--newSide">
-                <label className="inlineField">
-                  <span className="inlineField__label">market</span>
-                  <input className="inlineField__input" value={market} disabled />
-                </label>
-                <label className="inlineField">
-                  <span className="inlineField__label">notional</span>
-                  <input
-                    className="inlineField__input"
-                    type="number"
-                    min={0.01}
-                    step={0.01}
-                    value={notionalUsd}
-                    onChange={(e) => setNotionalUsd(Number(e.target.value))}
-                  />
-                </label>
-                <label className="inlineField">
-                  <span className="inlineField__label">side</span>
-                  <select className="inlineField__input" value={side} onChange={(e) => setSide(e.target.value as any)}>
-                    <option value="long">long</option>
-                    <option value="short">short</option>
-                  </select>
-                </label>
-                <label className="inlineField">
-                  <span className="inlineField__label">order</span>
-                  <select
-                    className="inlineField__input"
-                    value={orderType}
-                    onChange={(e) => setOrderType(e.target.value as any)}
-                  >
-                    <option value="market">market (taker)</option>
-                    <option value="limit">limit/post-only (maker)</option>
-                  </select>
-                </label>
-              </div>
-
-              {advancedOpen ? (
-                <div className="costsForm costsForm--newSide">
-                  <label className="inlineField">
-                    <span className="inlineField__label">taker bps</span>
-                    <input
-                      className="inlineField__input"
-                      type="number"
-                      step={0.1}
-                      value={feeTakerBps}
-                      onChange={(e) => setFeeTakerBps(Number(e.target.value))}
-                    />
-                  </label>
-                  <label className="inlineField">
-                    <span className="inlineField__label">maker bps</span>
-                    <input
-                      className="inlineField__input"
-                      type="number"
-                      step={0.1}
-                      value={feeMakerBps}
-                      onChange={(e) => setFeeMakerBps(Number(e.target.value))}
-                    />
-                  </label>
-                  <label className="inlineField">
-                    <span className="inlineField__label">tx usd est</span>
-                    <input
-                      className="inlineField__input"
-                      type="number"
-                      step={0.001}
-                      value={txFeeUsdEst}
-                      onChange={(e) => setTxFeeUsdEst(Number(e.target.value))}
-                    />
-                  </label>
-                  <label className="inlineField">
-                    <span className="inlineField__label">reprices</span>
-                    <input
-                      className="inlineField__input"
-                      type="number"
-                      min={0}
-                      step={1}
-                      value={expectedReprices}
-                      onChange={(e) => setExpectedReprices(Number(e.target.value))}
-                    />
-                  </label>
-                </div>
-              ) : (
-                <div className="muted" style={{ fontSize: 12 }}>
-                  Defaults: backend computes fee/tx/modify estimates (use “Advanced” to override).
-                </div>
-              )}
-
-              {estimateError ? <div className="uiError">{estimateError}</div> : null}
-
-              <div className="costsKpis costsKpis--newSide">
-                <div className="costKpi">
-                  <div className="costKpi__label">Total</div>
-                  <div className="costKpi__value">{formatUsd(estimate?.breakdown?.total_usd ?? null)}</div>
-                </div>
-                <div className="costKpi">
-                  <div className="costKpi__label">Breakeven</div>
-                  <div className="costKpi__value">{formatBps(estimate?.breakdown?.breakeven_bps ?? null)}</div>
-                </div>
-                <div className="costKpi">
-                  <div className="costKpi__label">Fee</div>
-                  <div className="costKpi__value">{formatUsd(estimate?.breakdown?.trade_fee_usd ?? null)}</div>
-                </div>
-                <div className="costKpi">
-                  <div className="costKpi__label">Slippage</div>
-                  <div className="costKpi__value">{formatUsd(estimate?.breakdown?.slippage_usd ?? null)}</div>
-                </div>
-                <div className="costKpi">
-                  <div className="costKpi__label">Tx</div>
-                  <div className="costKpi__value">{formatUsd(estimate?.breakdown?.tx_fee_usd ?? null)}</div>
-                </div>
-                <div className="costKpi">
-                  <div className="costKpi__label">Modify</div>
-                  <div className="costKpi__value">{formatUsd(estimate?.breakdown?.expected_modify_usd ?? null)}</div>
-                </div>
-              </div>
-
-              <div className="costsCard__subhead">DLOB quote used</div>
-              <div className="costsClose">
-                <div className="costsClose__row">
-                  <span className="muted">size</span>
-                  <span>{estimate?.dlob?.size_usd ?? '—'}</span>
-                  <span className="muted">impact</span>
-                  <span>{formatBps(estimate?.dlob?.impact_bps ?? null)}</span>
-                  <span className="muted">fill</span>
-                  <span>{estimate?.dlob?.fill_pct == null ? '—' : `${Number(estimate.dlob.fill_pct).toFixed(0)}%`}</span>
-                </div>
-              </div>
-            </aside>
-          </div>
-        </section>
-        ) : null}
-      </div>
-    </div>
-  );
-}
--- a/apps/visualizer/src/features/market/DlobDashboard.tsx
+++ b/apps/visualizer/src/features/market/DlobDashboard.tsx
@@ -4,7 +4,6 @@ import type { DlobDepthBandRow } from './useDlobDepthBands';
 import type { DlobSlippageRow } from './useDlobSlippage';
 import DlobDepthBandsPanel from './DlobDepthBandsPanel';
 import DlobSlippageChart from './DlobSlippageChart';
-import Button from '../../ui/Button';

 function formatUsd(v: number | null | undefined): string {
  if (v == null || !Number.isFinite(v)) return '—';
@@ -40,8 +39,6 @@ export default function DlobDashboard({
  slippageRows,
  slippageConnected,
  slippageError,
-  isFullscreen,
-  onToggleFullscreen,
 }: {
  market: string;
  stats: DlobStats | null;
@@ -53,8 +50,6 @@ export default function DlobDashboard({
  slippageRows: DlobSlippageRow[];
  slippageConnected: boolean;
  slippageError: string | null;
-  isFullscreen?: boolean;
-  onToggleFullscreen?: () => void;
 }) {
  const updatedAt = stats?.updatedAt || depthBands[0]?.updatedAt || slippageRows[0]?.updatedAt || null;

@@ -65,16 +60,6 @@ export default function DlobDashboard({
        <div className="dlobDash__meta">
          <span className="dlobDash__market">{market}</span>
          <span className="muted">{updatedAt ? `updated ${updatedAt}` : '—'}</span>
-          {onToggleFullscreen ? (
-            <Button
-              size="sm"
-              variant={isFullscreen ? 'primary' : 'ghost'}
-              onClick={onToggleFullscreen}
-              type="button"
-            >
-              {isFullscreen ? 'Exit' : 'Fullscreen'}
-            </Button>
-          ) : null}
        </div>
      </div>

@@ -149,3 +134,4 @@ export default function DlobDashboard({
    </div>
  );
 }
+
--- a/apps/visualizer/src/features/market/DlobSlippageChart.tsx
+++ b/apps/visualizer/src/features/market/DlobSlippageChart.tsx
@@ -109,3 +109,4 @@ export default function DlobSlippageChart({ rows }: { rows: DlobSlippageRow[] })

  return <canvas className="dlobSlippageChart" ref={canvasRef} />;
 }
+
--- a/apps/visualizer/src/features/market/dlobDerivedMetrics.ts
+++ b/apps/visualizer/src/features/market/dlobDerivedMetrics.ts
@@ -0,0 +1,244 @@
+import type { DlobL2, OrderbookRow } from './useDlobL2';
+
+export const DEFAULT_DLOB_DEPTH_BANDS_BPS = [5, 10, 20, 50, 100, 200] as const;
+export const DEFAULT_DLOB_SLIPPAGE_SIZES_USD = [1, 2, 5, 10, 25, 50, 100, 250, 500, 1000, 5000, 10000, 50000] as const;
+
+export type ComputedDlobDepthBandRow = {
+  marketName: string;
+  bandBps: number;
+  midPrice: number | null;
+  bestBid: number | null;
+  bestAsk: number | null;
+  bidUsd: number | null;
+  askUsd: number | null;
+  bidBase: number | null;
+  askBase: number | null;
+  imbalance: number | null;
+  updatedAt: string | null;
+};
+
+export type ComputedDlobSlippageRow = {
+  marketName: string;
+  side: 'buy' | 'sell';
+  sizeUsd: number;
+  midPrice: number | null;
+  vwapPrice: number | null;
+  worstPrice: number | null;
+  filledUsd: number | null;
+  filledBase: number | null;
+  impactBps: number | null;
+  levelsConsumed: number | null;
+  fillPct: number | null;
+  updatedAt: string | null;
+};
+
+type OrderbookSide = 'buy' | 'sell';
+
+function levelUsd(level: OrderbookRow): number {
+  if (Number.isFinite(level.sizeUsd)) return level.sizeUsd;
+  if (Number.isFinite(level.sizeBase) && Number.isFinite(level.price)) return level.sizeBase * level.price;
+  return 0;
+}
+
+function canonicalBids(l2: DlobL2): OrderbookRow[] {
+  return (Array.isArray(l2.bids) ? l2.bids : [])
+    .slice()
+    .sort((a, b) => b.price - a.price);
+}
+
+function canonicalAsks(l2: DlobL2): OrderbookRow[] {
+  return (Array.isArray(l2.asks) ? l2.asks.slice().reverse() : [])
+    .slice()
+    .sort((a, b) => a.price - b.price);
+}
+
+function resolveBestBid(l2: DlobL2, bids: OrderbookRow[]): number | null {
+  if (l2.bestBid != null && Number.isFinite(l2.bestBid)) return l2.bestBid;
+  const price = bids[0]?.price;
+  return Number.isFinite(price) ? price : null;
+}
+
+function resolveBestAsk(l2: DlobL2, asks: OrderbookRow[]): number | null {
+  if (l2.bestAsk != null && Number.isFinite(l2.bestAsk)) return l2.bestAsk;
+  const price = asks[0]?.price;
+  return Number.isFinite(price) ? price : null;
+}
+
+function resolveMidPrice(l2: DlobL2, bestBid: number | null, bestAsk: number | null): number | null {
+  if (l2.mid != null && Number.isFinite(l2.mid)) return l2.mid;
+  if (bestBid != null && bestAsk != null) return (bestBid + bestAsk) / 2;
+  return bestBid ?? bestAsk ?? null;
+}
+
+function computeBandDepth(
+  bids: OrderbookRow[],
+  asks: OrderbookRow[],
+  midPrice: number | null,
+  bandBps: number
+): Pick<ComputedDlobDepthBandRow, 'bidUsd' | 'askUsd' | 'bidBase' | 'askBase' | 'imbalance'> {
+  if (midPrice == null || !Number.isFinite(midPrice) || !(midPrice > 0)) {
+    return {
+      bidUsd: null,
+      askUsd: null,
+      bidBase: null,
+      askBase: null,
+      imbalance: null,
+    };
+  }
+
+  const minBidPrice = midPrice * (1 - bandBps / 10_000);
+  const maxAskPrice = midPrice * (1 + bandBps / 10_000);
+
+  let bidBase = 0;
+  let askBase = 0;
+  let bidUsd = 0;
+  let askUsd = 0;
+
+  for (const level of bids) {
+    if (!Number.isFinite(level.price) || !Number.isFinite(level.sizeBase)) continue;
+    if (level.price < minBidPrice) break;
+    bidBase += level.sizeBase;
+    bidUsd += levelUsd(level);
+  }
+
+  for (const level of asks) {
+    if (!Number.isFinite(level.price) || !Number.isFinite(level.sizeBase)) continue;
+    if (level.price > maxAskPrice) break;
+    askBase += level.sizeBase;
+    askUsd += levelUsd(level);
+  }
+
+  const denom = bidUsd + askUsd;
+  return {
+    bidUsd,
+    askUsd,
+    bidBase,
+    askBase,
+    imbalance: denom > 0 ? (bidUsd - askUsd) / denom : null,
+  };
+}
+
+function simulateFill(levels: OrderbookRow[], sizeUsd: number) {
+  let remainingUsd = sizeUsd;
+  let filledUsd = 0;
+  let filledBase = 0;
+  let worstPrice: number | null = null;
+  let levelsConsumed = 0;
+
+  for (const level of levels) {
+    const availableUsd = levelUsd(level);
+    if (!(availableUsd > 0) || !Number.isFinite(level.price) || !(level.price > 0)) continue;
+    if (remainingUsd <= 0) break;
+
+    levelsConsumed += 1;
+    worstPrice = level.price;
+
+    const takeUsd = Math.min(remainingUsd, availableUsd);
+    filledUsd += takeUsd;
+    filledBase += takeUsd / level.price;
+    remainingUsd -= takeUsd;
+  }
+
+  return {
+    filledUsd,
+    filledBase,
+    worstPrice,
+    levelsConsumed,
+    vwapPrice: filledBase > 0 ? filledUsd / filledBase : null,
+    fillPct: sizeUsd > 0 ? (filledUsd / sizeUsd) * 100 : null,
+  };
+}
+
+function impactBps(side: OrderbookSide, midPrice: number | null, vwapPrice: number | null): number | null {
+  if (midPrice == null || vwapPrice == null) return null;
+  if (!(midPrice > 0) || !Number.isFinite(vwapPrice)) return null;
+  if (side === 'buy') return ((vwapPrice / midPrice) - 1) * 10_000;
+  return (1 - vwapPrice / midPrice) * 10_000;
+}
+
+export function computeDepthBandsFromDlobL2(
+  l2: DlobL2 | null | undefined,
+  bandList: readonly number[] = DEFAULT_DLOB_DEPTH_BANDS_BPS
+): ComputedDlobDepthBandRow[] {
+  if (!l2?.marketName) return [];
+
+  const bids = canonicalBids(l2);
+  const asks = canonicalAsks(l2);
+  const bestBid = resolveBestBid(l2, bids);
+  const bestAsk = resolveBestAsk(l2, asks);
+  const midPrice = resolveMidPrice(l2, bestBid, bestAsk);
+  const updatedAt = l2.updatedAt ?? null;
+
+  return bandList
+    .map((bandBps) => Number(bandBps))
+    .filter((bandBps, idx, arr) => Number.isFinite(bandBps) && bandBps > 0 && arr.indexOf(bandBps) === idx)
+    .sort((a, b) => a - b)
+    .map((bandBps) => ({
+      marketName: l2.marketName,
+      bandBps,
+      midPrice,
+      bestBid,
+      bestAsk,
+      updatedAt,
+      ...computeBandDepth(bids, asks, midPrice, bandBps),
+    }));
+}
+
+export function computeSlippageFromDlobL2(
+  l2: DlobL2 | null | undefined,
+  sizeList: readonly number[] = DEFAULT_DLOB_SLIPPAGE_SIZES_USD
+): ComputedDlobSlippageRow[] {
+  if (!l2?.marketName) return [];
+
+  const bids = canonicalBids(l2);
+  const asks = canonicalAsks(l2);
+  const bestBid = resolveBestBid(l2, bids);
+  const bestAsk = resolveBestAsk(l2, asks);
+  const midPrice = resolveMidPrice(l2, bestBid, bestAsk);
+  const updatedAt = l2.updatedAt ?? null;
+
+  if (midPrice == null || !Number.isFinite(midPrice) || !(midPrice > 0)) return [];
+
+  const sizes = sizeList
+    .map((sizeUsd) => Number(sizeUsd))
+    .filter((sizeUsd, idx, arr) => Number.isFinite(sizeUsd) && sizeUsd > 0 && arr.indexOf(sizeUsd) === idx)
+    .sort((a, b) => a - b);
+
+  const rows: ComputedDlobSlippageRow[] = [];
+
+  for (const sizeUsd of sizes) {
+    const buyFill = simulateFill(asks, sizeUsd);
+    rows.push({
+      marketName: l2.marketName,
+      side: 'buy',
+      sizeUsd,
+      midPrice,
+      vwapPrice: buyFill.vwapPrice,
+      worstPrice: buyFill.worstPrice,
+      filledUsd: buyFill.filledUsd,
+      filledBase: buyFill.filledBase,
+      impactBps: impactBps('buy', midPrice, buyFill.vwapPrice),
+      levelsConsumed: buyFill.levelsConsumed,
+      fillPct: buyFill.fillPct,
+      updatedAt,
+    });
+
+    const sellFill = simulateFill(bids, sizeUsd);
+    rows.push({
+      marketName: l2.marketName,
+      side: 'sell',
+      sizeUsd,
+      midPrice,
+      vwapPrice: sellFill.vwapPrice,
+      worstPrice: sellFill.worstPrice,
+      filledUsd: sellFill.filledUsd,
+      filledBase: sellFill.filledBase,
+      impactBps: impactBps('sell', midPrice, sellFill.vwapPrice),
+      levelsConsumed: sellFill.levelsConsumed,
+      fillPct: sellFill.fillPct,
+      updatedAt,
+    });
+  }
+
+  return rows;
+}
--- a/apps/visualizer/src/features/market/dlobSource.ts
+++ b/apps/visualizer/src/features/market/dlobSource.ts
@@ -0,0 +1,32 @@
+const HOT_MARKETS = new Set(['SOL-PERP', 'JTO-PERP', 'ADA-PERP']);
+
+export type OrderbookTable = 'dlob_hot_snapshot_latest' | 'dlob_all_derived_latest';
+export type LatestDlobTable = 'dlob_hot_derived_latest' | 'dlob_all_derived_latest';
+
+export function normalizeMarketName(marketName: string): string {
+  return String(marketName || '').trim().toUpperCase();
+}
+
+export function isHotMarket(marketName: string): boolean {
+  return HOT_MARKETS.has(normalizeMarketName(marketName));
+}
+
+export function getOrderbookTables(marketName: string): OrderbookTable[] {
+  return isHotMarket(marketName) ? ['dlob_hot_snapshot_latest', 'dlob_all_derived_latest'] : ['dlob_all_derived_latest'];
+}
+
+export function getOrderbookTable(marketName: string): OrderbookTable {
+  return getOrderbookTables(marketName)[0];
+}
+
+export function getLatestDlobTables(marketName: string): LatestDlobTable[] {
+  return isHotMarket(marketName) ? ['dlob_hot_derived_latest', 'dlob_all_derived_latest'] : ['dlob_all_derived_latest'];
+}
+
+export function getLatestDlobTable(marketName: string): LatestDlobTable {
+  return getLatestDlobTables(marketName)[0];
+}
+
+export function getChartSeriesTable(marketName: string): 'dlob_hot_derived_ts' | 'dlob_all_derived_ts' {
+  return isHotMarket(marketName) ? 'dlob_hot_derived_ts' : 'dlob_all_derived_ts';
+}
--- a/apps/visualizer/src/features/market/useDlobDepthBands.ts
+++ b/apps/visualizer/src/features/market/useDlobDepthBands.ts
@@ -1,133 +1,19 @@
-import { useEffect, useMemo, useState } from 'react';
-import { subscribeGraphqlWs } from '../../lib/graphqlWs';
+import { useMemo } from 'react';
+import { computeDepthBandsFromDlobL2, type ComputedDlobDepthBandRow } from './dlobDerivedMetrics';
+import { useDlobL2 } from './useDlobL2';

-export type DlobDepthBandRow = {
-  marketName: string;
-  bandBps: number;
-  midPrice: number | null;
-  bestBid: number | null;
-  bestAsk: number | null;
-  bidUsd: number | null;
-  askUsd: number | null;
-  bidBase: number | null;
-  askBase: number | null;
-  imbalance: number | null;
-  updatedAt: string | null;
-};
+const COMPUTED_DLOB_LEVELS = 512;

-function toNum(v: unknown): number | null {
-  if (v == null) return null;
-  if (typeof v === 'number') return Number.isFinite(v) ? v : null;
-  if (typeof v === 'string') {
-    const s = v.trim();
-    if (!s) return null;
-    const n = Number(s);
-    return Number.isFinite(n) ? n : null;
-  }
-  return null;
-}
-
-function toInt(v: unknown): number | null {
-  if (v == null) return null;
-  if (typeof v === 'number') return Number.isFinite(v) ? Math.trunc(v) : null;
-  if (typeof v === 'string') {
-    const s = v.trim();
-    if (!s) return null;
-    const n = Number.parseInt(s, 10);
-    return Number.isFinite(n) ? n : null;
-  }
-  return null;
-}
-
-type HasuraRow = {
-  market_name: string;
-  band_bps: unknown;
-  mid_price?: unknown;
-  best_bid_price?: unknown;
-  best_ask_price?: unknown;
-  bid_usd?: unknown;
-  ask_usd?: unknown;
-  bid_base?: unknown;
-  ask_base?: unknown;
-  imbalance?: unknown;
-  updated_at?: string | null;
-};
-
-type SubscriptionData = {
-  dlob_depth_bps_latest: HasuraRow[];
-};
+export type DlobDepthBandRow = ComputedDlobDepthBandRow;

 export function useDlobDepthBands(
  marketName: string
 ): { rows: DlobDepthBandRow[]; connected: boolean; error: string | null } {
-  const [rows, setRows] = useState<DlobDepthBandRow[]>([]);
-  const [connected, setConnected] = useState(false);
-  const [error, setError] = useState<string | null>(null);
-
-  const normalizedMarket = useMemo(() => (marketName || '').trim(), [marketName]);
-
-  useEffect(() => {
-    if (!normalizedMarket) {
-      setRows([]);
-      setError(null);
-      setConnected(false);
-      return;
-    }
-
-    setError(null);
-
-    const query = `
-      subscription DlobDepthBands($market: String!) {
-        dlob_depth_bps_latest(
-          where: { market_name: { _eq: $market } }
-          order_by: [{ band_bps: asc }]
-        ) {
-          market_name
-          band_bps
-          mid_price
-          best_bid_price
-          best_ask_price
-          bid_usd
-          ask_usd
-          bid_base
-          ask_base
-          imbalance
-          updated_at
-        }
-      }
-    `;
-
-    const sub = subscribeGraphqlWs<SubscriptionData>({
-      query,
-      variables: { market: normalizedMarket },
-      onStatus: ({ connected }) => setConnected(connected),
-      onError: (e) => setError(e),
-      onData: (data) => {
-        const out: DlobDepthBandRow[] = [];
-        for (const r of data?.dlob_depth_bps_latest || []) {
-          if (!r?.market_name) continue;
-          const bandBps = toInt(r.band_bps);
-          if (bandBps == null || bandBps <= 0) continue;
-          out.push({
-            marketName: r.market_name,
-            bandBps,
-            midPrice: toNum(r.mid_price),
-            bestBid: toNum(r.best_bid_price),
-            bestAsk: toNum(r.best_ask_price),
-            bidUsd: toNum(r.bid_usd),
-            askUsd: toNum(r.ask_usd),
-            bidBase: toNum(r.bid_base),
-            askBase: toNum(r.ask_base),
-            imbalance: toNum(r.imbalance),
-            updatedAt: r.updated_at ?? null,
-          });
-        }
-        setRows(out);
-      },
-    });
-
-    return () => sub.unsubscribe();
-  }, [normalizedMarket]);
+  const { l2, connected, error } = useDlobL2(marketName, {
+    levels: COMPUTED_DLOB_LEVELS,
+    grouping: 'raw',
+  });

+  const rows = useMemo(() => computeDepthBandsFromDlobL2(l2), [l2]);
  return { rows, connected, error };
 }
--- a/apps/visualizer/src/features/market/useDlobL2.ts
+++ b/apps/visualizer/src/features/market/useDlobL2.ts
@@ -1,5 +1,8 @@
 import { useEffect, useMemo, useState } from 'react';
 import { subscribeGraphqlWs } from '../../lib/graphqlWs';
+import { getOrderbookTable, isHotMarket } from './dlobSource';
+
+const ORDERBOOK_POLL_MS = 400;

 export type OrderbookRow = {
  price: number;
@@ -19,12 +22,11 @@ export type DlobL2 = {
  updatedAt: string | null;
 };

-function envNumber(name: string): number | undefined {
-  const raw = (import.meta as any).env?.[name];
-  if (raw == null) return undefined;
-  const n = Number(raw);
-  return Number.isFinite(n) ? n : undefined;
-}
+type ParsedLevel = {
+  price: number;
+  sizeBase: number;
+  sizeUsd: number;
+};

 function toNum(v: unknown): number | null {
  if (v == null) return null;
@@ -49,38 +51,64 @@ function normalizeJson(v: unknown): unknown {
  }
 }

-function parseLevels(raw: unknown, pricePrecision: number, basePrecision: number): Array<{ price: number; size: number }> {
+const PRICE_PRECISION = 1_000_000;
+const BASE_PRECISION = 1_000_000_000;
+
+function toScaledNum(v: unknown, precision: number): number | null {
+  const n = toNum(v);
+  if (n == null) return null;
+  return n / precision;
+}
+
+function parseNormalizedLevels(raw: unknown): ParsedLevel[] {
  const v = normalizeJson(raw);
  if (!Array.isArray(v)) return [];

-  const out: Array<{ price: number; size: number }> = [];
+  const out: ParsedLevel[] = [];
  for (const item of v) {
-    const priceInt = toNum((item as any)?.price);
-    const sizeInt = toNum((item as any)?.size);
-    if (priceInt == null || sizeInt == null) continue;
-
-    const price = priceInt / pricePrecision;
-    const size = sizeInt / basePrecision;
-    if (!Number.isFinite(price) || !Number.isFinite(size)) continue;
-    out.push({ price, size });
+    const price = toNum((item as any)?.price);
+    const sizeBase = toNum((item as any)?.sizeBase ?? (item as any)?.size);
+    if (price == null || sizeBase == null) continue;
+    if (!Number.isFinite(price) || !Number.isFinite(sizeBase)) continue;
+    out.push({ price, sizeBase, sizeUsd: sizeBase * price });
  }

  return out;
 }

-function withTotals(levels: Array<{ price: number; sizeBase: number }>): OrderbookRow[] {
+function parseRawHotLevels(raw: unknown): ParsedLevel[] {
+  const v = normalizeJson(raw);
+  if (!Array.isArray(v)) return [];
+
+  const out: ParsedLevel[] = [];
+  for (const item of v) {
+    const price = toScaledNum((item as any)?.price, PRICE_PRECISION);
+    const sizeBase = toScaledNum((item as any)?.size, BASE_PRECISION);
+    if (price == null || sizeBase == null) continue;
+    if (!Number.isFinite(price) || !Number.isFinite(sizeBase)) continue;
+    out.push({ price, sizeBase, sizeUsd: sizeBase * price });
+  }
+
+  return out;
+}
+
+function limitHotWindow(levels: ParsedLevel[], visibleLevels: number): ParsedLevel[] {
+  const cap = Math.max(visibleLevels * 4, 24);
+  return levels.slice(0, cap);
+}
+
+function withTotals(levels: ParsedLevel[]): OrderbookRow[] {
  let totalBase = 0;
  let totalUsd = 0;

  return levels.map((l) => {
-    const sizeUsd = l.sizeBase * l.price;
    totalBase += l.sizeBase;
-    totalUsd += sizeUsd;
+    totalUsd += l.sizeUsd;

    return {
      price: l.price,
      sizeBase: l.sizeBase,
-      sizeUsd,
+      sizeUsd: l.sizeUsd,
      totalBase,
      totalUsd,
    };
@@ -89,18 +117,28 @@ function withTotals(levels: Array<{ price: number; sizeBase: number }>): Orderbo

 type HasuraDlobL2Row = {
  market_name: string;
-  bids?: unknown;
-  asks?: unknown;
+  bids_norm?: unknown;
+  asks_norm?: unknown;
+  best_bid_price?: unknown;
+  best_ask_price?: unknown;
+  mid_price?: unknown;
  updated_at?: string | null;
 };

-type SubscriptionData = {
-  dlob_l2_latest: HasuraDlobL2Row[];
+type HasuraHotSnapshotRow = {
+  market_name: string;
+  bids?: unknown;
+  asks?: unknown;
+  best_bid_price_raw?: unknown;
+  best_ask_price_raw?: unknown;
+  updated_at?: string | null;
 };

+type SubscriptionData = Record<string, Array<HasuraDlobL2Row | HasuraHotSnapshotRow> | undefined>;
+
 export function useDlobL2(
  marketName: string,
-  opts?: { levels?: number }
+  opts?: { levels?: number; grouping?: string }
 ): { l2: DlobL2 | null; connected: boolean; error: string | null } {
  const [l2, setL2] = useState<DlobL2 | null>(null);
  const [connected, setConnected] = useState(false);
@@ -108,9 +146,54 @@ export function useDlobL2(

  const normalizedMarket = useMemo(() => (marketName || '').trim(), [marketName]);
  const levels = useMemo(() => Math.max(1, opts?.levels ?? 14), [opts?.levels]);
+  const grouping = useMemo(() => String(opts?.grouping || 'drift').trim().toLowerCase(), [opts?.grouping]);

-  const pricePrecision = useMemo(() => envNumber('VITE_DLOB_PRICE_PRECISION') ?? 1_000_000, []);
-  const basePrecision = useMemo(() => envNumber('VITE_DLOB_BASE_PRECISION') ?? 1_000_000_000, []);
+  function resolveDriftGroupingStep(referencePrice: number | null): number {
+    const px = referencePrice == null || !Number.isFinite(referencePrice) ? 0 : Math.abs(referencePrice);
+    if (px >= 1000) return 0.1;
+    if (px >= 100) return 0.01;
+    if (px >= 10) return 0.001;
+    if (px >= 1) return 0.0001;
+    if (px >= 0.1) return 0.00001;
+    return 0.000001;
+  }
+
+  function resolveGroupingStep(mode: string, referencePrice: number | null): number | null {
+    if (!mode || mode === 'raw' || mode === 'none' || mode === 'off') return null;
+    if (mode === 'drift') return resolveDriftGroupingStep(referencePrice);
+    const parsed = Number(mode);
+    return Number.isFinite(parsed) && parsed > 0 ? parsed : null;
+  }
+
+  function groupLevelsByStep(
+    side: 'bid' | 'ask',
+    input: ParsedLevel[],
+    step: number | null
+  ): ParsedLevel[] {
+    if (step == null || !Number.isFinite(step) || step <= 0) return input;
+    const stepMicros = Math.max(1, Math.round(step * PRICE_PRECISION));
+    const grouped = new Map<number, { sizeBase: number; sizeUsd: number }>();
+
+    for (const level of input) {
+      const priceMicros = Math.round(level.price * PRICE_PRECISION);
+      const bucketMicros =
+        side === 'bid'
+          ? Math.floor(priceMicros / stepMicros) * stepMicros
+          : Math.ceil(priceMicros / stepMicros) * stepMicros;
+      const existing = grouped.get(bucketMicros) || { sizeBase: 0, sizeUsd: 0 };
+      existing.sizeBase += level.sizeBase;
+      existing.sizeUsd += level.sizeUsd;
+      grouped.set(bucketMicros, existing);
+    }
+
+    return Array.from(grouped.entries())
+      .map(([bucketMicros, totals]) => ({
+        price: bucketMicros / PRICE_PRECISION,
+        sizeBase: totals.sizeBase,
+        sizeUsd: totals.sizeUsd,
+      }))
+      .sort((a, b) => (side === 'bid' ? b.price - a.price : a.price - b.price));
+  }

  useEffect(() => {
    if (!normalizedMarket) {
@@ -121,13 +204,21 @@ export function useDlobL2(
    }

    setError(null);
+    const table = getOrderbookTable(normalizedMarket);
+    const hotMarket = isHotMarket(normalizedMarket);

    const query = `
      subscription DlobL2($market: String!) {
-        dlob_l2_latest(where: {market_name: {_eq: $market}}, limit: 1) {
+        ${table}(
+          where: {
+            market_name: {_eq: $market}
+            is_indicative: {_eq: false}
+            ${hotMarket ? 'snapshot_kind: {_eq: "orderbook_l2"}' : ''}
+          }
+          limit: 1
+        ) {
          market_name
-          bids
-          asks
+          ${hotMarket ? 'bids asks best_bid_price_raw best_ask_price_raw' : 'bids_norm asks_norm best_bid_price best_ask_price mid_price'}
          updated_at
        }
      }
@@ -136,32 +227,63 @@ export function useDlobL2(
    const sub = subscribeGraphqlWs<SubscriptionData>({
      query,
      variables: { market: normalizedMarket },
+      pollMs: ORDERBOOK_POLL_MS,
      onStatus: ({ connected }) => setConnected(connected),
      onError: (e) => setError(e),
      onData: (data) => {
-        const row = data?.dlob_l2_latest?.[0];
-        if (!row?.market_name) return;
+        const row = data?.[table]?.[0] as HasuraDlobL2Row | HasuraHotSnapshotRow | undefined;
+        if (!row?.market_name) {
+          setL2(null);
+          return;
+        }

-        const bidsSorted = parseLevels(row.bids, pricePrecision, basePrecision)
-          .slice()
-          .sort((a, b) => b.price - a.price)
-          .slice(0, levels)
-          .map((l) => ({ price: l.price, sizeBase: l.size }));
+        const bestBidRaw = hotMarket
+          ? toScaledNum((row as HasuraHotSnapshotRow).best_bid_price_raw, PRICE_PRECISION)
+          : toNum((row as HasuraDlobL2Row).best_bid_price);
+        const bestAskRaw = hotMarket
+          ? toScaledNum((row as HasuraHotSnapshotRow).best_ask_price_raw, PRICE_PRECISION)
+          : toNum((row as HasuraDlobL2Row).best_ask_price);
+        const referencePrice =
+          bestBidRaw != null && bestAskRaw != null ? (bestBidRaw + bestAskRaw) / 2 : bestBidRaw ?? bestAskRaw ?? null;
+        const groupingStep = resolveGroupingStep(grouping, referencePrice);

-        const asksSorted = parseLevels(row.asks, pricePrecision, basePrecision)
+        const bidsSource = hotMarket
+          ? limitHotWindow(parseRawHotLevels((row as HasuraHotSnapshotRow).bids), levels)
+          : parseNormalizedLevels((row as HasuraDlobL2Row).bids_norm);
+        const asksSource = hotMarket
+          ? limitHotWindow(parseRawHotLevels((row as HasuraHotSnapshotRow).asks), levels)
+          : parseNormalizedLevels((row as HasuraDlobL2Row).asks_norm);
+
+        const bidsSorted = groupLevelsByStep(
+          'bid',
+          bidsSource,
+          groupingStep
+        )
          .slice()
-          .sort((a, b) => a.price - b.price)
          .slice(0, levels)
-          .map((l) => ({ price: l.price, sizeBase: l.size }));
+          .map((l) => ({ price: l.price, sizeBase: l.sizeBase, sizeUsd: l.sizeUsd }));
+
+        const asksSorted = groupLevelsByStep(
+          'ask',
+          asksSource,
+          groupingStep
+        )
+          .slice()
+          .slice(0, levels)
+          .map((l) => ({ price: l.price, sizeBase: l.sizeBase, sizeUsd: l.sizeUsd }));

        // We compute totals from best -> worse.
        // For UI we display asks with best ask closest to mid (at the bottom), so we reverse.
        const bids = withTotals(bidsSorted);
        const asks = withTotals(asksSorted).slice().reverse();

-        const bestBid = bidsSorted.length ? bidsSorted[0].price : null;
-        const bestAsk = asksSorted.length ? asksSorted[0].price : null;
-        const mid = bestBid != null && bestAsk != null ? (bestBid + bestAsk) / 2 : null;
+        const bestBid = bestBidRaw ?? (bidsSorted.length ? bidsSorted[0].price : null);
+        const bestAsk = bestAskRaw ?? (asksSorted.length ? asksSorted[0].price : null);
+        const mid = hotMarket
+          ? bestBid != null && bestAsk != null
+            ? (bestBid + bestAsk) / 2
+            : null
+          : toNum((row as HasuraDlobL2Row).mid_price) ?? (bestBid != null && bestAsk != null ? (bestBid + bestAsk) / 2 : null);

        setL2({
          marketName: row.market_name,
@@ -176,7 +298,7 @@ export function useDlobL2(
    });

    return () => sub.unsubscribe();
-  }, [normalizedMarket, levels, pricePrecision, basePrecision]);
+  }, [grouping, normalizedMarket, levels]);

  return { l2, connected, error };
 }
--- a/apps/visualizer/src/features/market/useDlobSlippage.ts
+++ b/apps/visualizer/src/features/market/useDlobSlippage.ts
@@ -1,148 +1,17 @@
-import { useEffect, useMemo, useState } from 'react';
-import { subscribeGraphqlWs } from '../../lib/graphqlWs';
+import { useMemo } from 'react';
+import { computeSlippageFromDlobL2, type ComputedDlobSlippageRow } from './dlobDerivedMetrics';
+import { useDlobL2 } from './useDlobL2';

-export type DlobSlippageRow = {
-  marketName: string;
-  side: 'buy' | 'sell';
-  sizeUsd: number;
-  midPrice: number | null;
-  vwapPrice: number | null;
-  worstPrice: number | null;
-  filledUsd: number | null;
-  filledBase: number | null;
-  impactBps: number | null;
-  levelsConsumed: number | null;
-  fillPct: number | null;
-  updatedAt: string | null;
-};
+const COMPUTED_DLOB_LEVELS = 512;

-function toNum(v: unknown): number | null {
-  if (v == null) return null;
-  if (typeof v === 'number') return Number.isFinite(v) ? v : null;
-  if (typeof v === 'string') {
-    const s = v.trim();
-    if (!s) return null;
-    const n = Number(s);
-    return Number.isFinite(n) ? n : null;
-  }
-  return null;
-}
-
-type HasuraRow = {
-  market_name: string;
-  side: string;
-  size_usd: unknown;
-  mid_price?: unknown;
-  vwap_price?: unknown;
-  worst_price?: unknown;
-  filled_usd?: unknown;
-  filled_base?: unknown;
-  impact_bps?: unknown;
-  levels_consumed?: unknown;
-  fill_pct?: unknown;
-  updated_at?: string | null;
-};
-
-type SubscriptionData = {
-  dlob_slippage_latest: HasuraRow[];
-  dlob_slippage_latest_v2: HasuraRow[];
-};
+export type DlobSlippageRow = ComputedDlobSlippageRow;

 export function useDlobSlippage(marketName: string): { rows: DlobSlippageRow[]; connected: boolean; error: string | null } {
-  const [rows, setRows] = useState<DlobSlippageRow[]>([]);
-  const [connected, setConnected] = useState(false);
-  const [error, setError] = useState<string | null>(null);
-
-  const normalizedMarket = useMemo(() => (marketName || '').trim(), [marketName]);
-
-  useEffect(() => {
-    if (!normalizedMarket) {
-      setRows([]);
-      setError(null);
-      setConnected(false);
-      return;
-    }
-
-    setError(null);
-
-    const query = `
-      subscription DlobSlippage($market: String!) {
-        dlob_slippage_latest_v2(
-          where: { market_name: { _eq: $market } }
-          order_by: [{ side: asc }, { size_usd: asc }]
-        ) {
-          market_name
-          side
-          size_usd
-          mid_price
-          vwap_price
-          worst_price
-          filled_usd
-          filled_base
-          impact_bps
-          levels_consumed
-          fill_pct
-          updated_at
-        }
-        dlob_slippage_latest(
-          where: { market_name: { _eq: $market } }
-          order_by: [{ side: asc }, { size_usd: asc }]
-        ) {
-          market_name
-          side
-          size_usd
-          mid_price
-          vwap_price
-          worst_price
-          filled_usd
-          filled_base
-          impact_bps
-          levels_consumed
-          fill_pct
-          updated_at
-        }
-      }
-    `;
-
-    const sub = subscribeGraphqlWs<SubscriptionData>({
-      query,
-      variables: { market: normalizedMarket },
-      onStatus: ({ connected }) => setConnected(connected),
-      onError: (e) => setError(e),
-      onData: (data) => {
-        const out: DlobSlippageRow[] = [];
-        const v2 = data?.dlob_slippage_latest_v2 || [];
-        const src = v2.length ? v2 : data?.dlob_slippage_latest || [];
-        for (const r of src) {
-          if (!r?.market_name) continue;
-          const side = String(r.side || '').trim();
-          if (side !== 'buy' && side !== 'sell') continue;
-          const sizeUsd = toNum(r.size_usd);
-          if (sizeUsd == null || sizeUsd <= 0) continue;
-          out.push({
-            marketName: r.market_name,
-            side,
-            sizeUsd,
-            midPrice: toNum(r.mid_price),
-            vwapPrice: toNum(r.vwap_price),
-            worstPrice: toNum(r.worst_price),
-            filledUsd: toNum(r.filled_usd),
-            filledBase: toNum(r.filled_base),
-            impactBps: toNum(r.impact_bps),
-            levelsConsumed: (() => {
-              const v = toNum(r.levels_consumed);
-              return v == null ? null : Math.trunc(v);
-            })(),
-            fillPct: toNum(r.fill_pct),
-            updatedAt: r.updated_at ?? null,
-          });
-        }
-        setRows(out);
-      },
-    });
-
-    return () => sub.unsubscribe();
-  }, [normalizedMarket]);
+  const { l2, connected, error } = useDlobL2(marketName, {
+    levels: COMPUTED_DLOB_LEVELS,
+    grouping: 'raw',
+  });

+  const rows = useMemo(() => computeSlippageFromDlobL2(l2), [l2]);
  return { rows, connected, error };
 }
--- a/apps/visualizer/src/features/market/useDlobStats.ts
+++ b/apps/visualizer/src/features/market/useDlobStats.ts
@@ -1,5 +1,8 @@
 import { useEffect, useMemo, useState } from 'react';
 import { subscribeGraphqlWs } from '../../lib/graphqlWs';
+import { getLatestDlobTable } from './dlobSource';
+
+const ORDERBOOK_STATS_POLL_MS = 400;

 export type DlobStats = {
  marketName: string;
@@ -32,24 +35,23 @@ function toNum(v: unknown): number | null {

 type HasuraDlobStatsRow = {
  market_name: string;
-  mark_price?: string | null;
-  oracle_price?: string | null;
-  best_bid_price?: string | null;
-  best_ask_price?: string | null;
-  mid_price?: string | null;
-  spread_abs?: string | null;
-  spread_bps?: string | null;
-  depth_bid_base?: string | null;
-  depth_ask_base?: string | null;
-  depth_bid_usd?: string | null;
-  depth_ask_usd?: string | null;
-  imbalance?: string | null;
+  mark_price?: unknown;
+  oracle_price?: unknown;
+  best_bid_price?: unknown;
+  best_ask_price?: unknown;
+  mid_price?: unknown;
+  spread_quote?: unknown;
+  spread_bps?: unknown;
+  depth_bid_base?: unknown;
+  depth_ask_base?: unknown;
+  depth_bid_quote?: unknown;
+  depth_ask_quote?: unknown;
+  imbalance?: unknown;
  updated_at?: string | null;
+  is_indicative?: boolean | null;
 };

-type SubscriptionData = {
-  dlob_stats_latest: HasuraDlobStatsRow[];
-};
+type SubscriptionData = Record<string, HasuraDlobStatsRow[] | undefined>;

 export function useDlobStats(marketName: string): { stats: DlobStats | null; connected: boolean; error: string | null } {
  const [stats, setStats] = useState<DlobStats | null>(null);
@@ -67,24 +69,29 @@ export function useDlobStats(marketName: string): { stats: DlobStats | null; con
    }

    setError(null);
+    const table = getLatestDlobTable(normalizedMarket);

    const query = `
      subscription DlobStats($market: String!) {
-        dlob_stats_latest(where: {market_name: {_eq: $market}}, limit: 1) {
+        ${table}(
+          where: {market_name: {_eq: $market}, is_indicative: {_eq: false}}
+          limit: 1
+        ) {
          market_name
          mark_price
          oracle_price
          best_bid_price
          best_ask_price
          mid_price
-          spread_abs
+          spread_quote
          spread_bps
          depth_bid_base
          depth_ask_base
-          depth_bid_usd
-          depth_ask_usd
+          depth_bid_quote
+          depth_ask_quote
          imbalance
          updated_at
+          is_indicative
        }
      }
    `;
@@ -92,11 +99,15 @@ export function useDlobStats(marketName: string): { stats: DlobStats | null; con
    const sub = subscribeGraphqlWs<SubscriptionData>({
      query,
      variables: { market: normalizedMarket },
+      pollMs: ORDERBOOK_STATS_POLL_MS,
      onStatus: ({ connected }) => setConnected(connected),
      onError: (e) => setError(e),
      onData: (data) => {
-        const row = data?.dlob_stats_latest?.[0];
-        if (!row?.market_name) return;
+        const row = data?.[table]?.[0];
+        if (!row?.market_name) {
+          setStats(null);
+          return;
+        }
        setStats({
          marketName: row.market_name,
          markPrice: toNum(row.mark_price),
@@ -104,12 +115,12 @@ export function useDlobStats(marketName: string): { stats: DlobStats | null; con
          bestBid: toNum(row.best_bid_price),
          bestAsk: toNum(row.best_ask_price),
          mid: toNum(row.mid_price),
-          spreadAbs: toNum(row.spread_abs),
+          spreadAbs: toNum(row.spread_quote),
          spreadBps: toNum(row.spread_bps),
          depthBidBase: toNum(row.depth_bid_base),
          depthAskBase: toNum(row.depth_ask_base),
-          depthBidUsd: toNum(row.depth_bid_usd),
-          depthAskUsd: toNum(row.depth_ask_usd),
+          depthBidUsd: toNum(row.depth_bid_quote),
+          depthAskUsd: toNum(row.depth_ask_quote),
          imbalance: toNum(row.imbalance),
          updatedAt: row.updated_at ?? null,
        });
--- a/apps/visualizer/src/features/tickerbar/TickerBar.tsx
+++ b/apps/visualizer/src/features/tickerbar/TickerBar.tsx
@@ -9,6 +9,7 @@ export type TickerItem = {

 type Props = {
  items: TickerItem[];
+  className?: string;
 };

 function formatPct(v: number): string {
@@ -16,9 +17,9 @@ function formatPct(v: number): string {
  return `${s}${v.toFixed(2)}%`;
 }

-export default function TickerBar({ items }: Props) {
+export default function TickerBar({ items, className }: Props) {
  return (
-    <div className="tickerBar">
+    <div className={['tickerBar', className].filter(Boolean).join(' ')}>
      {items.map((t) => (
        <div key={t.key} className={['ticker', t.active ? 'ticker--active' : ''].filter(Boolean).join(' ')}>
          <span className="ticker__label">{t.label}</span>
@@ -28,4 +29,3 @@ export default function TickerBar({ items }: Props) {
    </div>
  );
 }
-
--- a/apps/visualizer/src/layout/AppShell.tsx
+++ b/apps/visualizer/src/layout/AppShell.tsx
@@ -1,4 +1,5 @@
-import type { ReactNode } from 'react';
+import type { CSSProperties, ReactNode } from 'react';
+import { useEffect, useRef, useState } from 'react';

 type Props = {
  header?: ReactNode;
@@ -9,10 +10,57 @@ type Props = {
 };

 export default function AppShell({ header, top, main, sidebar, rightbar }: Props) {
+  const headerRef = useRef<HTMLDivElement | null>(null);
+  const topRef = useRef<HTMLDivElement | null>(null);
+  const [headerHeight, setHeaderHeight] = useState(0);
+  const [topHeight, setTopHeight] = useState(0);
+
+  useEffect(() => {
+    const observers: ResizeObserver[] = [];
+
+    const observeHeight = (
+      element: HTMLDivElement | null,
+      setHeight: (height: number) => void
+    ) => {
+      if (!element) {
+        setHeight(0);
+        return;
+      }
+
+      const update = () => setHeight(Math.ceil(element.getBoundingClientRect().height));
+      update();
+
+      const observer = new ResizeObserver(update);
+      observer.observe(element);
+      observers.push(observer);
+    };
+
+    observeHeight(headerRef.current, setHeaderHeight);
+    observeHeight(topRef.current, setTopHeight);
+
+    return () => {
+      for (const observer of observers) observer.disconnect();
+    };
+  }, [header, top]);
+
+  const shellStyle = {
+    ['--shell-header-height' as any]: `${headerHeight}px`,
+    ['--shell-top-height' as any]: `${topHeight}px`,
+    ['--shell-top-offset' as any]: `${headerHeight + topHeight}px`,
+  } as CSSProperties;
+
  return (
-    <div className="shell">
-      {header ? <div className="shellHeader">{header}</div> : null}
-      {top ? <div className="shellTop">{top}</div> : null}
+    <div className="shell" style={shellStyle}>
+      {header ? (
+        <div className="shellHeader" ref={headerRef}>
+          {header}
+        </div>
+      ) : null}
+      {top ? (
+        <div className="shellTop" ref={topRef}>
+          {top}
+        </div>
+      ) : null}
      <div className="shellBody">
        <div className="shellMain">{main}</div>
        {sidebar ? <div className="shellSidebar">{sidebar}</div> : null}
--- a/apps/visualizer/src/layout/AuthStatus.tsx
+++ b/apps/visualizer/src/layout/AuthStatus.tsx
@@ -1,13 +1,62 @@
+import { useEffect, useMemo, useState } from 'react';
 import Button from '../ui/Button';

 type Props = {
  user: string;
+  theme: 'day' | 'night';
+  onResetView?: (() => void) | null;
+  onToggleTheme: () => void;
  onLogout: () => void;
 };

-export default function AuthStatus({ user, onLogout }: Props) {
+export default function AuthStatus({ user, theme, onResetView, onToggleTheme, onLogout }: Props) {
+  const formatter = useMemo(
+    () =>
+      new Intl.DateTimeFormat(undefined, {
+        hour: '2-digit',
+        minute: '2-digit',
+        second: '2-digit',
+      }),
+    []
+  );
+  const [nowLabel, setNowLabel] = useState(() => formatter.format(new Date()));
+
+  useEffect(() => {
+    const tick = () => setNowLabel(formatter.format(new Date()));
+    tick();
+    const timer = window.setInterval(tick, 1000);
+    return () => window.clearInterval(timer);
+  }, [formatter]);
+
  return (
    <div className="authStatus">
+      <Button
+        size="sm"
+        variant="ghost"
+        type="button"
+        title="Reset View (Alt+R)"
+        aria-keyshortcuts="Alt+R"
+        onClick={onResetView ?? undefined}
+        disabled={!onResetView}
+      >
+        Reset View
+      </Button>
+      <button
+        className={`themeSwitch themeSwitch--${theme}`}
+        type="button"
+        role="switch"
+        aria-checked={theme === 'night'}
+        aria-label={theme === 'day' ? 'Switch to Night theme' : 'Switch to Day theme'}
+        title={theme === 'day' ? 'Switch to Night theme' : 'Switch to Day theme'}
+        onClick={onToggleTheme}
+      >
+        <span className="themeSwitch__label themeSwitch__label--day">Day</span>
+        <span className="themeSwitch__label themeSwitch__label--night">Night</span>
+        <span className="themeSwitch__thumb" aria-hidden="true" />
+      </button>
+      <div className="authStatus__clock" aria-label="Bieżący czas">
+        {nowLabel}
+      </div>
      <div className="authStatus__user" aria-label="Zalogowany użytkownik">
        <div className="authStatus__userLabel">Zalogowany</div>
        <div className="authStatus__userName">{user}</div>
--- a/apps/visualizer/src/layout/LoginScreen.tsx
+++ b/apps/visualizer/src/layout/LoginScreen.tsx
@@ -11,6 +11,21 @@ type LoginResponse = {
  error?: string;
 };

+type WhoamiResponse = {
+  ok?: boolean;
+  user?: string | null;
+};
+
+async function readSessionUser(): Promise<string | null> {
+  const res = await fetch('/whoami', {
+    cache: 'no-store',
+    credentials: 'same-origin',
+  });
+  const json = (await res.json().catch(() => null)) as WhoamiResponse | null;
+  const user = typeof json?.user === 'string' ? json.user.trim() : '';
+  return user || null;
+}
+
 export default function LoginScreen({ onLoggedIn }: Props) {
  const [username, setUsername] = useState('');
  const [password, setPassword] = useState('');
@@ -26,17 +41,18 @@ export default function LoginScreen({ onLoggedIn }: Props) {
      const res = await fetch('/auth/login', {
        method: 'POST',
        headers: { 'content-type': 'application/json' },
+        credentials: 'same-origin',
        body: JSON.stringify({ username, password }),
      });
      const json = (await res.json().catch(() => null)) as LoginResponse | null;
      const ok = Boolean(res.ok && json?.ok);
      if (!ok) throw new Error(json?.error || 'invalid_credentials');
-      const u = typeof json?.user === 'string' ? json.user.trim() : '';
+      const u = await readSessionUser();
      if (!u) throw new Error('bad_response');
      setPassword('');
      onLoggedIn(u);
    } catch {
-      setError('Nieprawidłowy login lub hasło.');
+      setError('Logowanie nie utworzyło sesji. Sprawdź dane albo konfigurację dev proxy.');
    } finally {
      setSubmitting(false);
    }
@@ -87,4 +103,3 @@ export default function LoginScreen({ onLoggedIn }: Props) {
    </div>
  );
 }
-
--- a/apps/visualizer/src/layout/TopNav.tsx
+++ b/apps/visualizer/src/layout/TopNav.tsx
@@ -24,7 +24,10 @@ export default function TopNav({ active = 'trade', onSelect, rightSlot }: Props)
      <div className="topNav__left">
        <div className="topNav__brand" aria-label="Trade">
          <div className="topNav__brandMark" aria-hidden="true" />
-          <div className="topNav__brandName">Trade</div>
+          <div className="topNav__brandText">
+            <div className="topNav__brandName">Trade</div>
+            <div className="topNav__brandMeta">by mpabi</div>
+          </div>
        </div>
        <nav className="topNav__menu" aria-label="Primary">
          {navItems.map((it) => (
--- a/apps/visualizer/src/lib/api.ts
+++ b/apps/visualizer/src/lib/api.ts
@@ -1,3 +1,6 @@
+import { getChartSeriesTable, getLatestDlobTable } from '../features/market/dlobSource';
+import { bollingerBands, ema, macd, rsi, sma } from './indicators';
+
 export type Candle = {
  time: number; // unix seconds
  open: number;
@@ -25,21 +28,289 @@ export type ChartIndicators = {
  macd?: { macd: SeriesPoint[]; signal: SeriesPoint[] };
 };

-export type ChartResponse = {
-  ok: boolean;
-  symbol?: string;
-  source?: string | null;
-  tf?: string;
-  bucketSeconds?: number;
-  candles?: Candle[];
-  indicators?: ChartIndicators;
-  error?: string;
+type GraphqlError = { message: string };
+type HasuraDerivedTsRow = {
+  event_ts: string;
+  oracle_price?: number | string | null;
+  mark_price?: number | string | null;
+  mid_price?: number | string | null;
+};
+type HasuraLatestDlobRow = {
+  updated_at?: string | null;
+  oracle_price?: number | string | null;
+  mark_price?: number | string | null;
+  mid_price?: number | string | null;
 };

-function getApiBaseUrl(): string {
-  const v = (import.meta as any).env?.VITE_API_URL;
-  if (v) return String(v);
-  return '/api';
+function readEnv(name: string): string | undefined {
+  const viteValue = (import.meta as any).env?.[name];
+  if (viteValue != null && String(viteValue).trim()) return String(viteValue);
+  const nodeValue = (globalThis as any)?.process?.env?.[name];
+  if (nodeValue != null && String(nodeValue).trim()) return String(nodeValue);
+  return undefined;
+}
+
+function getHasuraUrl(): string {
+  const v = readEnv('VITE_HASURA_URL');
+  return v ? String(v) : '/graphql';
+}
+
+function getHasuraAuthHeaders(): Record<string, string> | undefined {
+  const token = readEnv('VITE_HASURA_AUTH_TOKEN');
+  if (token) return { authorization: `Bearer ${String(token)}` };
+  const secret = readEnv('VITE_HASURA_ADMIN_SECRET');
+  if (secret) return { 'x-hasura-admin-secret': String(secret) };
+  return undefined;
+}
+
+function parseTimeframeToSeconds(tf: string): number {
+  const raw = String(tf || '').trim();
+  const match = raw.match(/^(\d+)([smhdSMHD])$/);
+  if (!match) return 60;
+  const value = Number(match[1]);
+  const unit = match[2].toLowerCase();
+  if (!Number.isFinite(value) || value <= 0) return 60;
+  if (unit === 's') return value;
+  if (unit === 'm') return value * 60;
+  if (unit === 'h') return value * 3600;
+  if (unit === 'd') return value * 86400;
+  return 60;
+}
+
+function toSeries(times: number[], values: Array<number | null>) {
+  return times.map((time, i) => ({ time, value: values[i] ?? null }));
+}
+
+function buildIndicators(candles: Candle[]): ChartIndicators {
+  const times = candles.map((c) => c.time);
+  const closes = candles.map((c) => c.close);
+  const oracleValues = candles.map((c) => (c.oracle == null ? null : c.oracle));
+  const sma20 = sma(closes, 20);
+  const ema20 = ema(closes, 20);
+  const bb20 = bollingerBands(closes, 20, 2);
+  const rsi14 = rsi(closes, 14);
+  const macdOut = macd(closes, 12, 26, 9);
+
+  return {
+    oracle: toSeries(times, oracleValues),
+    sma20: toSeries(times, sma20),
+    ema20: toSeries(times, ema20),
+    bb20: {
+      upper: toSeries(times, bb20.upper),
+      lower: toSeries(times, bb20.lower),
+      mid: toSeries(times, bb20.mid),
+    },
+    rsi14: toSeries(times, rsi14),
+    macd: {
+      macd: toSeries(times, macdOut.macd),
+      signal: toSeries(times, macdOut.signal),
+    },
+  };
+}
+
+function toNum(v: unknown): number | null {
+  if (v == null) return null;
+  if (typeof v === 'number') return Number.isFinite(v) ? v : null;
+  if (typeof v === 'string') {
+    const s = v.trim();
+    if (!s) return null;
+    const n = Number(s);
+    return Number.isFinite(n) ? n : null;
+  }
+  return null;
+}
+
+function aggregateRowsToCandles(
+  rows: HasuraDerivedTsRow[],
+  bucketSeconds: number,
+  options?: { fillGaps?: boolean; limit?: number }
+): Candle[] {
+  const buckets = new Map<number, Candle>();
+  const sortedRows = rows.slice().sort((a, b) => Date.parse(a.event_ts) - Date.parse(b.event_ts));
+
+  for (const row of sortedRows) {
+    const tsSec = Math.floor(Date.parse(row.event_ts) / 1000);
+    if (!Number.isFinite(tsSec)) continue;
+    const bucket = tsSec - (tsSec % bucketSeconds);
+    const oracle = toNum(row.oracle_price);
+    const close = toNum(row.mark_price) ?? toNum(row.mid_price) ?? oracle;
+    if (close == null) continue;
+
+    const existing = buckets.get(bucket);
+    if (!existing) {
+      buckets.set(bucket, {
+        time: bucket,
+        open: close,
+        high: close,
+        low: close,
+        close,
+        volume: 1,
+        oracle,
+      });
+      continue;
+    }
+
+    existing.high = Math.max(existing.high, close);
+    existing.low = Math.min(existing.low, close);
+    existing.close = close;
+    existing.volume = (existing.volume || 0) + 1;
+    existing.oracle = oracle ?? existing.oracle ?? null;
+  }
+
+  const sorted = Array.from(buckets.values()).sort((a, b) => a.time - b.time);
+  if (!sorted.length) return [];
+
+  if (!options?.fillGaps) {
+    return options?.limit ? sorted.slice(-options.limit) : sorted;
+  }
+
+  const tail = options?.limit ? sorted.slice(-options.limit) : sorted;
+  const candles: Candle[] = [];
+  const firstBucket = tail[0]!.time;
+  const lastBucket = tail[tail.length - 1]!.time;
+  const byTime = new Map(tail.map((c) => [c.time, c]));
+  let prev = tail[0]!;
+
+  for (let bucket = firstBucket; bucket <= lastBucket; bucket += bucketSeconds) {
+    const current = byTime.get(bucket);
+    if (current) {
+      candles.push(current);
+      prev = current;
+      continue;
+    }
+    candles.push({
+      time: bucket,
+      open: prev.close,
+      high: prev.close,
+      low: prev.close,
+      close: prev.close,
+      volume: 0,
+      oracle: prev.oracle ?? null,
+    });
+  }
+
+  return candles;
+}
+
+export function mergeCandles(prev: Candle[], next: Candle[]): Candle[] {
+  const map = new Map<number, Candle>();
+  for (const candle of prev) map.set(candle.time, candle);
+  for (const candle of next) map.set(candle.time, candle);
+  return Array.from(map.values()).sort((a, b) => a.time - b.time);
+}
+
+export function applyLatestRowToCandles(
+  candles: Candle[],
+  row: HasuraLatestDlobRow,
+  bucketSeconds: number
+): Candle[] {
+  const tsSec = Math.floor(Date.parse(String(row.updated_at || '')) / 1000);
+  if (!Number.isFinite(tsSec)) return candles;
+  const bucket = tsSec - (tsSec % bucketSeconds);
+  const oracle = toNum(row.oracle_price);
+  const close = toNum(row.mark_price) ?? toNum(row.mid_price) ?? oracle;
+  if (close == null) return candles;
+
+  const next = candles.slice();
+  const last = next[next.length - 1];
+  if (!last || bucket > last.time) {
+    next.push({
+      time: bucket,
+      open: last?.close ?? close,
+      high: close,
+      low: close,
+      close,
+      volume: 1,
+      oracle,
+    });
+    return next;
+  }
+
+  if (bucket < last.time) return candles;
+
+  last.high = Math.max(last.high, close);
+  last.low = Math.min(last.low, close);
+  last.close = close;
+  last.volume = (last.volume || 0) + 1;
+  last.oracle = oracle ?? last.oracle ?? null;
+  return next;
+}
+
+export function buildChartIndicators(candles: Candle[]): ChartIndicators {
+  return buildIndicators(candles);
+}
+
+export function getChartLiveTable(marketName: string) {
+  return getLatestDlobTable(marketName);
+}
+
+async function fetchChartFromHasura(params: {
+  symbol: string;
+  source?: string;
+  tf: string;
+  limit: number;
+  beforeTime?: number;
+  signal?: AbortSignal;
+}): Promise<{ candles: Candle[]; indicators: ChartIndicators; meta: { tf: string; bucketSeconds: number } }> {
+  const bucketSeconds = parseTimeframeToSeconds(params.tf);
+  const table = getChartSeriesTable(params.symbol);
+  const maxPoints = Math.min(200_000, Math.max(5_000, params.limit * Math.max(1, bucketSeconds) * 3));
+  const sourceFilter = params.source?.trim();
+  const beforeTime = Number.isFinite(params.beforeTime) ? Number(params.beforeTime) : null;
+  const beforeIso = beforeTime == null ? null : new Date(beforeTime * 1000).toISOString();
+  const query = `
+    query ChartSeries($symbol: String!, $limit: Int!${sourceFilter ? ', $source: String!' : ''}${beforeIso ? ', $before: timestamptz!' : ''}) {
+      ${table}(
+        limit: $limit
+        order_by: {event_ts: desc}
+        where: {
+          market_name: {_eq: $symbol}
+          is_indicative: {_eq: false}
+          ${sourceFilter ? 'source: {_eq: $source}' : ''}
+          ${beforeIso ? 'event_ts: {_lt: $before}' : ''}
+        }
+      ) {
+        event_ts
+        oracle_price
+        mark_price
+        mid_price
+      }
+    }
+  `;
+  const res = await fetch(getHasuraUrl(), {
+    method: 'POST',
+    credentials: 'same-origin',
+    signal: params.signal,
+    headers: {
+      'content-type': 'application/json',
+      ...(getHasuraAuthHeaders() || {}),
+    },
+    body: JSON.stringify({
+      query,
+      variables: {
+        symbol: params.symbol,
+        limit: maxPoints,
+        ...(sourceFilter ? { source: sourceFilter } : {}),
+        ...(beforeIso ? { before: beforeIso } : {}),
+      },
+    }),
+  });
+
+  const text = await res.text();
+  if (!res.ok) throw new Error(`Hasura HTTP ${res.status}: ${text}`);
+
+  const json = JSON.parse(text) as { data?: Record<string, HasuraDerivedTsRow[]>; errors?: GraphqlError[] };
+  if (Array.isArray(json.errors) && json.errors.length) {
+    throw new Error(json.errors.map((e) => e.message).join(' | '));
+  }
+  const rows = json.data?.[table] || [];
+  const candles = aggregateRowsToCandles(rows, bucketSeconds, { fillGaps: beforeIso == null, limit: params.limit });
+
+  return {
+    candles,
+    indicators: buildIndicators(candles),
+    meta: { tf: params.tf, bucketSeconds },
+  };
 }

 export async function fetchChart(params: {
@@ -47,51 +318,8 @@ export async function fetchChart(params: {
  source?: string;
  tf: string;
  limit: number;
+  beforeTime?: number;
  signal?: AbortSignal;
 }): Promise<{ candles: Candle[]; indicators: ChartIndicators; meta: { tf: string; bucketSeconds: number } }> {
-  const base = getApiBaseUrl();
-  const u = new URL(base, window.location.origin);
-  u.pathname = u.pathname && u.pathname !== '/' ? u.pathname.replace(/\/$/, '') + '/v1/chart' : '/v1/chart';
-  u.searchParams.set('symbol', params.symbol);
-  u.searchParams.set('tf', params.tf);
-  u.searchParams.set('limit', String(params.limit));
-  if (params.source && params.source.trim()) u.searchParams.set('source', params.source.trim());
-
-  const res = await fetch(u.toString(), { signal: params.signal });
-  const text = await res.text();
-  if (!res.ok) throw new Error(`API HTTP ${res.status}: ${text}`);
-  const json = JSON.parse(text) as ChartResponse;
-  if (!json.ok) throw new Error(json.error || 'API: error');
-  return {
-    candles: (json.candles || []).map((c) => ({
-      ...c,
-      time: Number(c.time),
-      open: Number(c.open),
-      high: Number(c.high),
-      low: Number(c.low),
-      close: Number(c.close),
-      volume: c.volume == null ? undefined : Number(c.volume),
-      oracle: c.oracle == null ? null : Number(c.oracle),
-      flow:
-        (c as any)?.flow && typeof (c as any).flow === 'object'
-          ? {
-              up: Number((c as any).flow.up),
-              down: Number((c as any).flow.down),
-              flat: Number((c as any).flow.flat),
-            }
-          : undefined,
-      flowRows: Array.isArray((c as any)?.flowRows)
-        ? (c as any).flowRows.map((x: any) => Number(x))
-        : Array.isArray((c as any)?.flow_rows)
-          ? (c as any).flow_rows.map((x: any) => Number(x))
-          : undefined,
-      flowMoves: Array.isArray((c as any)?.flowMoves)
-        ? (c as any).flowMoves.map((x: any) => Number(x))
-        : Array.isArray((c as any)?.flow_moves)
-          ? (c as any).flow_moves.map((x: any) => Number(x))
-          : undefined,
-    })),
-    indicators: json.indicators || {},
-    meta: { tf: String(json.tf || params.tf), bucketSeconds: Number(json.bucketSeconds || 0) },
-  };
+  return await fetchChartFromHasura(params);
 }
--- a/apps/visualizer/src/lib/graphqlWs.ts
+++ b/apps/visualizer/src/lib/graphqlWs.ts
@@ -1,4 +1,5 @@
 type HeadersMap = Record<string, string>;
+type GraphqlError = { message: string };

 type SubscribeParams<T> = {
  query: string;
@@ -6,12 +7,29 @@ type SubscribeParams<T> = {
  onData: (data: T) => void;
  onError?: (err: string) => void;
  onStatus?: (s: { connected: boolean }) => void;
+  pollMs?: number;
 };

 function envString(name: string): string | undefined {
-  const v = (import.meta as any).env?.[name];
-  const s = v == null ? '' : String(v).trim();
-  return s ? s : undefined;
+  const viteValue = (import.meta as any).env?.[name];
+  const viteString = viteValue == null ? '' : String(viteValue).trim();
+  if (viteString) return viteString;
+  const nodeValue = (globalThis as any)?.process?.env?.[name];
+  const nodeString = nodeValue == null ? '' : String(nodeValue).trim();
+  return nodeString || undefined;
+}
+
+function envBool(name: string): boolean {
+  const v = envString(name);
+  if (!v) return false;
+  return ['1', 'true', 'yes', 'on'].includes(v.toLowerCase());
+}
+
+function envInt(name: string, fallback: number): number {
+  const raw = envString(name);
+  if (!raw) return fallback;
+  const parsed = Number.parseInt(raw, 10);
+  return Number.isFinite(parsed) && parsed > 0 ? parsed : fallback;
 }

 function resolveGraphqlHttpUrl(): string {
@@ -43,30 +61,13 @@ function resolveGraphqlWsUrl(): string {
 }

 function resolveAuthHeaders(): HeadersMap | undefined {
-  const rawToken = envString('VITE_HASURA_AUTH_TOKEN');
-  if (rawToken) {
-    const bearer = normalizeBearerToken(rawToken);
-    if (bearer) return { authorization: `Bearer ${bearer}` };
-  }
+  const token = envString('VITE_HASURA_AUTH_TOKEN');
+  if (token) return { authorization: `Bearer ${token}` };
  const secret = envString('VITE_HASURA_ADMIN_SECRET');
  if (secret) return { 'x-hasura-admin-secret': secret };
  return undefined;
 }

-function normalizeBearerToken(raw: string): string | undefined {
-  const trimmed = String(raw || '').trim();
-  if (!trimmed) return undefined;
-  const m = trimmed.match(/^Bearer\s+(.+)$/i);
-  const token = (m ? m[1] : trimmed).trim();
-  if (!token) return undefined;
-  const parts = token.split(/\s+/).filter(Boolean);
-  if (!parts.length) return undefined;
-  if (parts.length > 1) {
-    console.warn('VITE_HASURA_AUTH_TOKEN contains whitespace; using the first segment only.');
-  }
-  return parts[0];
-}
-
 type WsMessage =
  | { type: 'connection_ack' | 'ka' | 'complete' }
  | { type: 'connection_error'; payload?: any }
@@ -77,13 +78,59 @@ export type SubscriptionHandle = {
  unsubscribe: () => void;
 };

-export function subscribeGraphqlWs<T>({ query, variables, onData, onError, onStatus }: SubscribeParams<T>): SubscriptionHandle {
+async function fetchGraphqlOnce<T>(
+  httpUrl: string,
+  headers: HeadersMap | undefined,
+  query: string,
+  variables: Record<string, unknown> | undefined
+): Promise<T> {
+  const operation = query.replace(/^\s*subscription\b/, 'query');
+  const res = await fetch(httpUrl, {
+    method: 'POST',
+    credentials: 'same-origin',
+    headers: {
+      'content-type': 'application/json',
+      ...(headers || {}),
+    },
+    body: JSON.stringify({ query: operation, variables: variables ?? {} }),
+  });
+
+  const text = await res.text();
+  if (!res.ok) throw new Error(`Hasura HTTP ${res.status}: ${text}`);
+
+  let json: { data?: T; errors?: GraphqlError[] };
+  try {
+    json = JSON.parse(text);
+  } catch {
+    throw new Error(`Hasura invalid JSON: ${text}`);
+  }
+
+  if (Array.isArray(json.errors) && json.errors.length) {
+    throw new Error(json.errors.map((e) => e.message).join(' | '));
+  }
+  if (json.data == null) throw new Error('Hasura: empty response');
+  return json.data;
+}
+
+export function subscribeGraphqlWs<T>({
+  query,
+  variables,
+  onData,
+  onError,
+  onStatus,
+  pollMs: pollMsOverride,
+}: SubscribeParams<T>): SubscriptionHandle {
+  const httpUrl = resolveGraphqlHttpUrl();
  const wsUrl = resolveGraphqlWsUrl();
  const headers = resolveAuthHeaders();
+  const pollOnly = envBool('VITE_GRAPHQL_POLL_ONLY');
+  const pollMs = Math.max(50, pollMsOverride ?? envInt('VITE_GRAPHQL_POLL_MS', 1000));
  let ws: WebSocket | null = null;
  let closed = false;
  let started = false;
+  let polling = false;
  let reconnectTimer: number | null = null;
+  let pollTimer: number | null = null;

  const subId = '1';

@@ -94,6 +141,30 @@ export function subscribeGraphqlWs<T>({ query, variables, onData, onError, onSta

  const setConnected = (connected: boolean) => onStatus?.({ connected });

+  const clearReconnectTimer = () => {
+    if (reconnectTimer != null) {
+      window.clearTimeout(reconnectTimer);
+      reconnectTimer = null;
+    }
+  };
+
+  const clearPollTimer = () => {
+    if (pollTimer != null) {
+      window.clearTimeout(pollTimer);
+      pollTimer = null;
+    }
+  };
+
+  const closeSocket = () => {
+    if (!ws) return;
+    try {
+      ws.close();
+    } catch {
+      // ignore
+    }
+    ws = null;
+  };
+
  const start = () => {
    if (!ws || started) return;
    started = true;
@@ -106,14 +177,40 @@ export function subscribeGraphqlWs<T>({ query, variables, onData, onError, onSta
    );
  };

+  const pollOnce = async () => {
+    try {
+      const data = await fetchGraphqlOnce<T>(httpUrl, headers, query, variables);
+      if (closed) return;
+      setConnected(true);
+      onData(data);
+    } catch (e) {
+      if (closed) return;
+      setConnected(false);
+      emitError(e);
+    } finally {
+      if (!closed && polling) {
+        pollTimer = window.setTimeout(() => void pollOnce(), pollMs);
+      }
+    }
+  };
+
+  const startPolling = () => {
+    if (closed || polling) return;
+    polling = true;
+    clearReconnectTimer();
+    closeSocket();
+    started = false;
+    void pollOnce();
+  };
+
  const connect = () => {
    if (closed) return;
+    if (polling) return;
    started = false;
    try {
      ws = new WebSocket(wsUrl, 'graphql-ws');
    } catch (e) {
-      emitError(e);
-      reconnectTimer = window.setTimeout(connect, 1000);
+      startPolling();
      return;
    }

@@ -138,14 +235,14 @@ export function subscribeGraphqlWs<T>({ query, variables, onData, onError, onSta
      }

      if (msg.type === 'connection_error') {
-        emitError(msg.payload || 'connection_error');
+        startPolling();
        return;
      }

      if (msg.type === 'ka' || msg.type === 'complete') return;

      if (msg.type === 'error') {
-        emitError(msg.payload || 'subscription_error');
+        startPolling();
        return;
      }

@@ -161,25 +258,29 @@ export function subscribeGraphqlWs<T>({ query, variables, onData, onError, onSta

    ws.onerror = () => {
      setConnected(false);
+      startPolling();
    };

    ws.onclose = () => {
      setConnected(false);
      if (closed) return;
-      reconnectTimer = window.setTimeout(connect, 1000);
+      startPolling();
    };
  };

-  connect();
+  if (pollOnly) {
+    startPolling();
+  } else {
+    connect();
+  }

  return {
    unsubscribe: () => {
      closed = true;
+      polling = false;
      setConnected(false);
-      if (reconnectTimer != null) {
-        window.clearTimeout(reconnectTimer);
-        reconnectTimer = null;
-      }
+      clearReconnectTimer();
+      clearPollTimer();
      if (!ws) return;
      try {
        ws.send(JSON.stringify({ id: subId, type: 'stop' }));
@@ -187,12 +288,7 @@ export function subscribeGraphqlWs<T>({ query, variables, onData, onError, onSta
      } catch {
        // ignore
      }
-      try {
-        ws.close();
-      } catch {
-        // ignore
-      }
-      ws = null;
+      closeSocket();
    },
  };
 }
--- a/apps/visualizer/src/lib/hasura.ts
+++ b/apps/visualizer/src/lib/hasura.ts
@@ -23,18 +23,7 @@ function getHasuraUrl(): string {

 function getAuthToken(): string | undefined {
  const v = (import.meta as any).env?.VITE_HASURA_AUTH_TOKEN;
-  const raw = v ? String(v) : '';
-  const trimmed = raw.trim();
-  if (!trimmed) return undefined;
-  const m = trimmed.match(/^Bearer\s+(.+)$/i);
-  const token = (m ? m[1] : trimmed).trim();
-  if (!token) return undefined;
-  const parts = token.split(/\s+/).filter(Boolean);
-  if (!parts.length) return undefined;
-  if (parts.length > 1) {
-    console.warn('VITE_HASURA_AUTH_TOKEN contains whitespace; using the first segment only.');
-  }
-  return parts[0];
+  return v ? String(v) : undefined;
 }

 function getAdminSecret(): string | undefined {
@@ -56,6 +45,7 @@ export async function hasuraRequest<T>(query: string, variables: Record<string,

  const res = await fetch(getHasuraUrl(), {
    method: 'POST',
+    credentials: 'same-origin',
    headers,
    body: JSON.stringify({ query, variables }),
  });
@@ -78,7 +68,9 @@ export async function fetchLatestTicks(symbol: string, limit: number, source?: s
    u.searchParams.set('limit', String(limit));
    if (source && source.trim()) u.searchParams.set('source', source.trim());

-    const res = await fetch(u.toString());
+    const res = await fetch(u.toString(), {
+      credentials: 'same-origin',
+    });
    const text = await res.text();
    if (!res.ok) throw new Error(`API HTTP ${res.status}: ${text}`);
    const json = JSON.parse(text) as { ok?: boolean; ticks?: any[]; error?: string };
--- a/apps/visualizer/src/lib/runtime.ts
+++ b/apps/visualizer/src/lib/runtime.ts
@@ -0,0 +1,366 @@
+export type DiagramRuntimePublisher = {
+  id: string;
+  title: string;
+  status: 'ok' | 'warn';
+  health: {
+    httpOk: boolean;
+    gauge: number | null;
+  };
+  metrics: {
+    transport: string;
+    updateIntervalMs: number;
+    perpMarkets: number;
+    spotMarkets: number;
+    totalMarkets: number;
+    latestSlot: number | null;
+  };
+  endpoints: {
+    health: string;
+    metrics: string;
+  };
+  errors: string[];
+};
+
+export type DiagramRuntimeResponse = {
+  ok: boolean;
+  version?: string;
+  fetchedAt?: string;
+  nodes?: {
+    publisher?: DiagramRuntimePublisher;
+  };
+  error?: string;
+};
+
+export type DiagramLayoutView = 'standard' | 'ultra';
+
+export type DiagramLayoutState = Record<
+  string,
+  {
+    position?: { x: number; y: number };
+    size?: { width: number; height: number };
+    parentId?: string | null;
+  }
+>;
+
+export type DiagramLayoutResponse = {
+  ok: boolean;
+  view: DiagramLayoutView;
+  updatedAt?: string;
+  layout?: DiagramLayoutState;
+  currentRevisionId?: number | null;
+  revisionId?: number | null;
+  restoredFromRevisionId?: number | null;
+  error?: string;
+};
+
+export type DiagramLayoutRevision = {
+  id: number;
+  view: DiagramLayoutView;
+  updatedAt: string;
+  action: string;
+  entryCount: number;
+};
+
+export type DiagramLayoutHistoryResponse = {
+  ok: boolean;
+  view: DiagramLayoutView;
+  currentRevisionId?: number | null;
+  revisions?: DiagramLayoutRevision[];
+  error?: string;
+};
+
+type DiagramLayoutStoredRevision = DiagramLayoutRevision & {
+  layout: DiagramLayoutState;
+};
+
+type DiagramLayoutStoredView = {
+  layout: DiagramLayoutState;
+  updatedAt?: string;
+  currentRevisionId: number | null;
+  nextRevisionId: number;
+  revisions: DiagramLayoutStoredRevision[];
+};
+
+type DiagramLayoutStore = {
+  views: Partial<Record<DiagramLayoutView, DiagramLayoutStoredView>>;
+};
+
+type DiagramDebugEvent = {
+  ts: string;
+  view: DiagramLayoutView;
+  event: string;
+  nodeId?: string | null;
+  viewport?: { x?: number; y?: number; zoom?: number };
+  payload?: Record<string, unknown>;
+};
+
+const layoutStoreKey = 'trade-system-flow-layout-store:v1';
+const debugStoreKey = 'trade-system-flow-debug-log:v1';
+const maxRevisionCount = 32;
+const maxDebugEventCount = 200;
+
+function canUseStorage() {
+  return typeof window !== 'undefined' && typeof window.localStorage !== 'undefined';
+}
+
+function getIsoNow() {
+  return new Date().toISOString();
+}
+
+function cloneLayoutState(layout: DiagramLayoutState | undefined): DiagramLayoutState {
+  return JSON.parse(JSON.stringify(layout || {})) as DiagramLayoutState;
+}
+
+function emptyStoredView(): DiagramLayoutStoredView {
+  return {
+    layout: {},
+    updatedAt: undefined,
+    currentRevisionId: null,
+    nextRevisionId: 1,
+    revisions: [],
+  };
+}
+
+function sanitizeStoredView(value: unknown): DiagramLayoutStoredView {
+  const raw = value && typeof value === 'object' ? (value as Partial<DiagramLayoutStoredView>) : {};
+  const revisions = Array.isArray(raw.revisions)
+    ? raw.revisions
+        .filter((entry): entry is DiagramLayoutStoredRevision => {
+          return Boolean(
+            entry &&
+              typeof entry === 'object' &&
+              Number.isInteger((entry as DiagramLayoutStoredRevision).id) &&
+              typeof (entry as DiagramLayoutStoredRevision).updatedAt === 'string'
+          );
+        })
+        .map((entry) => ({
+          id: entry.id,
+          view: entry.view,
+          updatedAt: entry.updatedAt,
+          action: entry.action,
+          entryCount: Number.isFinite(entry.entryCount) ? Math.max(0, Math.trunc(entry.entryCount)) : 0,
+          layout: cloneLayoutState(entry.layout),
+        }))
+    : [];
+
+  const nextRevisionId = Number.isInteger(raw.nextRevisionId)
+    ? Math.max(1, Number(raw.nextRevisionId))
+    : revisions.reduce((maxId, entry) => Math.max(maxId, entry.id), 0) + 1;
+
+  return {
+    layout: cloneLayoutState(raw.layout),
+    updatedAt: typeof raw.updatedAt === 'string' ? raw.updatedAt : undefined,
+    currentRevisionId: Number.isInteger(raw.currentRevisionId) ? Number(raw.currentRevisionId) : null,
+    nextRevisionId,
+    revisions,
+  };
+}
+
+function readLayoutStore(): DiagramLayoutStore {
+  if (!canUseStorage()) return { views: {} };
+  try {
+    const raw = window.localStorage.getItem(layoutStoreKey);
+    if (!raw) return { views: {} };
+    const parsed = JSON.parse(raw) as Partial<DiagramLayoutStore>;
+    const views = parsed?.views && typeof parsed.views === 'object' ? parsed.views : {};
+    return {
+      views: {
+        standard: sanitizeStoredView(views.standard),
+        ultra: sanitizeStoredView(views.ultra),
+      },
+    };
+  } catch {
+    return { views: {} };
+  }
+}
+
+function writeLayoutStore(store: DiagramLayoutStore) {
+  if (!canUseStorage()) return;
+  window.localStorage.setItem(layoutStoreKey, JSON.stringify(store));
+}
+
+function readStoredView(view: DiagramLayoutView): DiagramLayoutStoredView {
+  const store = readLayoutStore();
+  return sanitizeStoredView(store.views[view]);
+}
+
+function writeStoredView(view: DiagramLayoutView, next: DiagramLayoutStoredView) {
+  const store = readLayoutStore();
+  store.views = {
+    ...store.views,
+    [view]: sanitizeStoredView(next),
+  };
+  writeLayoutStore(store);
+}
+
+function appendRevision(
+  view: DiagramLayoutView,
+  storedView: DiagramLayoutStoredView,
+  layout: DiagramLayoutState,
+  action: string,
+  updatedAt: string
+) {
+  const revisionId = Math.max(1, storedView.nextRevisionId || 1);
+  const layoutCopy = cloneLayoutState(layout);
+  const revision: DiagramLayoutStoredRevision = {
+    id: revisionId,
+    view,
+    updatedAt,
+    action: action || 'manual-save',
+    entryCount: Object.keys(layoutCopy).length,
+    layout: layoutCopy,
+  };
+
+  const revisions = [revision, ...storedView.revisions].slice(0, maxRevisionCount);
+  return {
+    revisionId,
+    next: {
+      layout: layoutCopy,
+      updatedAt,
+      currentRevisionId: revisionId,
+      nextRevisionId: revisionId + 1,
+      revisions,
+    } satisfies DiagramLayoutStoredView,
+  };
+}
+
+function toHistoryRevisions(revisions: DiagramLayoutStoredRevision[], limit: number) {
+  return revisions.slice(0, Math.max(1, limit)).map((entry) => ({
+    id: entry.id,
+    view: entry.view,
+    updatedAt: entry.updatedAt,
+    action: entry.action,
+    entryCount: entry.entryCount,
+  }));
+}
+
+function readDebugEvents(): DiagramDebugEvent[] {
+  if (!canUseStorage()) return [];
+  try {
+    const raw = window.localStorage.getItem(debugStoreKey);
+    if (!raw) return [];
+    const parsed = JSON.parse(raw);
+    return Array.isArray(parsed) ? (parsed as DiagramDebugEvent[]) : [];
+  } catch {
+    return [];
+  }
+}
+
+function writeDebugEvents(events: DiagramDebugEvent[]) {
+  if (!canUseStorage()) return;
+  window.localStorage.setItem(debugStoreKey, JSON.stringify(events.slice(-maxDebugEventCount)));
+}
+
+export async function fetchDiagramRuntime(): Promise<DiagramRuntimeResponse> {
+  return {
+    ok: true,
+    version: 'frontend-local',
+    fetchedAt: getIsoNow(),
+  };
+}
+
+export async function fetchDiagramLayout(view: DiagramLayoutView): Promise<DiagramLayoutResponse> {
+  const storedView = readStoredView(view);
+  return {
+    ok: true,
+    view,
+    updatedAt: storedView.updatedAt,
+    layout: cloneLayoutState(storedView.layout),
+    currentRevisionId: storedView.currentRevisionId,
+  };
+}
+
+export async function saveDiagramLayout(
+  view: DiagramLayoutView,
+  layout: DiagramLayoutState,
+  action?: string
+): Promise<DiagramLayoutResponse> {
+  const storedView = readStoredView(view);
+  const updatedAt = getIsoNow();
+  const { revisionId, next } = appendRevision(view, storedView, layout, action || 'manual-save', updatedAt);
+  writeStoredView(view, next);
+  return {
+    ok: true,
+    view,
+    updatedAt,
+    layout: cloneLayoutState(next.layout),
+    currentRevisionId: revisionId,
+    revisionId,
+  };
+}
+
+export async function deleteDiagramLayout(view: DiagramLayoutView): Promise<DiagramLayoutResponse> {
+  const storedView = readStoredView(view);
+  const updatedAt = getIsoNow();
+  const { revisionId, next } = appendRevision(view, storedView, {}, 'reset', updatedAt);
+  writeStoredView(view, next);
+  return {
+    ok: true,
+    view,
+    updatedAt,
+    layout: {},
+    currentRevisionId: revisionId,
+    revisionId,
+  };
+}
+
+export async function fetchDiagramLayoutHistory(
+  view: DiagramLayoutView,
+  limit = 12
+): Promise<DiagramLayoutHistoryResponse> {
+  const storedView = readStoredView(view);
+  return {
+    ok: true,
+    view,
+    currentRevisionId: storedView.currentRevisionId,
+    revisions: toHistoryRevisions(storedView.revisions, limit),
+  };
+}
+
+export async function restoreDiagramLayoutRevision(
+  view: DiagramLayoutView,
+  revisionId: number
+): Promise<DiagramLayoutResponse> {
+  const storedView = readStoredView(view);
+  const revision = storedView.revisions.find((entry) => entry.id === revisionId);
+  if (!revision) throw new Error(`Local layout revision ${revisionId} not found`);
+
+  const updatedAt = getIsoNow();
+  const { revisionId: nextRevisionId, next } = appendRevision(
+    view,
+    storedView,
+    revision.layout,
+    'restore',
+    updatedAt
+  );
+  writeStoredView(view, next);
+
+  return {
+    ok: true,
+    view,
+    updatedAt,
+    layout: cloneLayoutState(revision.layout),
+    currentRevisionId: nextRevisionId,
+    revisionId: nextRevisionId,
+    restoredFromRevisionId: revision.id,
+  };
+}
+
+export async function postDiagramDebugEvent(body: {
+  view: DiagramLayoutView;
+  event: string;
+  nodeId?: string | null;
+  viewport?: { x?: number; y?: number; zoom?: number };
+  payload?: Record<string, unknown>;
+}): Promise<void> {
+  const events = readDebugEvents();
+  events.push({
+    ts: getIsoNow(),
+    view: body.view,
+    event: body.event,
+    nodeId: body.nodeId,
+    viewport: body.viewport,
+    payload: body.payload,
+  });
+  writeDebugEvents(events);
+}
--- a/apps/visualizer/src/styles.css
+++ b/apps/visualizer/src/styles.css
--- a/apps/visualizer/vite.config.ts
+++ b/apps/visualizer/vite.config.ts
@@ -1,7 +1,7 @@
 import fs from 'node:fs';
 import path from 'node:path';
 import { fileURLToPath } from 'node:url';
-import { defineConfig } from 'vite';
+import { defineConfig, loadEnv } from 'vite';
 import react from '@vitejs/plugin-react';

 const DIR = path.dirname(fileURLToPath(import.meta.url));
@@ -14,8 +14,8 @@ function stripTrailingSlashes(p: string): string {
  return out || '/';
 }

-function readApiReadToken(): string | undefined {
-  if (process.env.API_READ_TOKEN) return process.env.API_READ_TOKEN;
+function readApiReadToken(env: Record<string, string | undefined>): string | undefined {
+  if (env.API_READ_TOKEN) return env.API_READ_TOKEN;
  const p = path.join(ROOT, 'tokens', 'read.json');
  if (!fs.existsSync(p)) return undefined;
  try {
@@ -27,6 +27,22 @@ function readApiReadToken(): string | undefined {
  }
 }

+function readApiAdminSecret(env: Record<string, string | undefined>): string | undefined {
+  if (Object.prototype.hasOwnProperty.call(env, 'API_PROXY_ADMIN_SECRET')) {
+    const raw = String(env.API_PROXY_ADMIN_SECRET || '').trim();
+    return raw || undefined;
+  }
+  const p = path.join(ROOT, 'tokens', 'api.json');
+  if (!fs.existsSync(p)) return undefined;
+  try {
+    const raw = fs.readFileSync(p, 'utf8');
+    const json = JSON.parse(raw) as { adminSecret?: string };
+    return json?.adminSecret ? String(json.adminSecret) : undefined;
+  } catch {
+    return undefined;
+  }
+}
+
 function parseBasicAuth(value: string | undefined): BasicAuth | undefined {
  const raw = String(value || '').trim();
  if (!raw) return undefined;
@@ -38,11 +54,11 @@ function parseBasicAuth(value: string | undefined): BasicAuth | undefined {
  return { username, password };
 }

-function readProxyBasicAuth(): BasicAuth | undefined {
-  const fromEnv = parseBasicAuth(process.env.API_PROXY_BASIC_AUTH);
+function readProxyBasicAuth(env: Record<string, string | undefined>): BasicAuth | undefined {
+  const fromEnv = parseBasicAuth(env.API_PROXY_BASIC_AUTH);
  if (fromEnv) return fromEnv;

-  const fileRaw = String(process.env.API_PROXY_BASIC_AUTH_FILE || '').trim();
+  const fileRaw = String(env.API_PROXY_BASIC_AUTH_FILE || '').trim();
  if (!fileRaw) return undefined;

  const p = path.isAbsolute(fileRaw) ? fileRaw : path.join(ROOT, fileRaw);
@@ -59,21 +75,6 @@ function readProxyBasicAuth(): BasicAuth | undefined {
  }
 }

-const apiReadToken = readApiReadToken();
-const proxyBasicAuth = readProxyBasicAuth();
-const apiProxyTarget =
-  process.env.API_PROXY_TARGET ||
-  process.env.VISUALIZER_PROXY_TARGET ||
-  process.env.TRADE_UI_URL ||
-  process.env.TRADE_VPS_URL ||
-  'https://trade.mpabi.pl';
-
-function isLocalHost(hostname: string | undefined): boolean {
-  const h = String(hostname || '').trim().toLowerCase();
-  if (!h) return false;
-  return h === 'localhost' || h === '127.0.0.1' || h === '0.0.0.0';
-}
-
 function parseUrl(v: string): URL | undefined {
  try {
    return new URL(v);
@@ -82,18 +83,6 @@ function parseUrl(v: string): URL | undefined {
  }
 }

-function toOrigin(u: URL | undefined): string | undefined {
-  if (!u) return undefined;
-  return `${u.protocol}//${u.host}`;
-}
-
-const apiProxyTargetUrl = parseUrl(apiProxyTarget);
-const apiProxyOrigin = toOrigin(apiProxyTargetUrl);
-const apiProxyTargetPath = stripTrailingSlashes(apiProxyTargetUrl?.pathname || '/');
-const apiProxyTargetEndsWithApi = apiProxyTargetPath.endsWith('/api');
-const apiProxyIsLocal = isLocalHost(apiProxyTargetUrl?.hostname);
-const apiProxyForceBearer = process.env.API_PROXY_FORCE_BEARER === '1' || process.env.API_PROXY_USE_READ_TOKEN === '1';
-
 function inferUiProxyTarget(apiTarget: string): string | undefined {
  try {
    const u = new URL(apiTarget);
@@ -110,18 +99,6 @@ function inferUiProxyTarget(apiTarget: string): string | undefined {
  }
 }

-const uiProxyTarget =
-  process.env.FRONTEND_PROXY_TARGET ||
-  process.env.UI_PROXY_TARGET ||
-  process.env.AUTH_PROXY_TARGET ||
-  inferUiProxyTarget(apiProxyTarget) ||
-  (apiProxyTargetUrl && apiProxyTargetPath === '/' ? stripTrailingSlashes(apiProxyTargetUrl.toString()) : undefined);
-const uiProxyOrigin = toOrigin(parseUrl(uiProxyTarget || ''));
-
-const graphqlProxyTarget = process.env.GRAPHQL_PROXY_TARGET || process.env.HASURA_PROXY_TARGET || uiProxyTarget;
-const graphqlProxyOrigin = toOrigin(parseUrl(graphqlProxyTarget || ''));
-const graphqlProxyBasicAuthEnabled =
-  process.env.GRAPHQL_PROXY_BASIC_AUTH === '1' || process.env.HASURA_PROXY_BASIC_AUTH === '1';
 function applyProxyBasicAuth(proxyReq: any) {
  if (!proxyBasicAuth) return false;
  const b64 = Buffer.from(`${proxyBasicAuth.username}:${proxyBasicAuth.password}`, 'utf8').toString('base64');
@@ -129,12 +106,6 @@ function applyProxyBasicAuth(proxyReq: any) {
  return true;
 }

-function applyProxyOrigin(proxyReq: any, origin: string | undefined) {
-  if (!origin) return;
-  // Some upstreams (notably WS endpoints) validate Origin and may drop the connection when it doesn't match.
-  proxyReq.setHeader('Origin', origin);
-}
-
 function rewriteSetCookieForLocalDevHttp(proxyRes: any) {
  const v = proxyRes?.headers?.['set-cookie'];
  if (!v) return;
@@ -147,67 +118,122 @@ function rewriteSetCookieForLocalDevHttp(proxyRes: any) {
  proxyRes.headers['set-cookie'] = Array.isArray(v) ? v.map(rewrite) : rewrite(String(v));
 }

-const proxy: Record<string, any> = {
-  '/api': {
-    target: apiProxyTarget,
-    changeOrigin: true,
-    rewrite: (p: string) => (apiProxyTargetEndsWithApi ? p.replace(/^\/api/, '') : p),
-    configure: (p: any) => {
-      p.on('proxyReq', (proxyReq: any) => {
-        applyProxyOrigin(proxyReq, apiProxyOrigin);
-        if (applyProxyBasicAuth(proxyReq)) return;
-        if ((apiProxyIsLocal || apiProxyForceBearer) && apiReadToken) proxyReq.setHeader('Authorization', `Bearer ${apiReadToken}`);
-      });
-      p.on('proxyReqWs', (proxyReq: any) => {
-        applyProxyOrigin(proxyReq, apiProxyOrigin);
-        applyProxyBasicAuth(proxyReq);
-      });
-    },
-  },
-};
-
-if (graphqlProxyTarget) {
-  for (const prefix of ['/graphql', '/graphql-ws']) {
-    proxy[prefix] = {
-      target: graphqlProxyTarget,
-      changeOrigin: true,
-      ws: true,
-      configure: (p: any) => {
-        p.on('proxyReq', (proxyReq: any) => {
-          applyProxyOrigin(proxyReq, graphqlProxyOrigin);
-          if (graphqlProxyBasicAuthEnabled) applyProxyBasicAuth(proxyReq);
-        });
-        p.on('proxyReqWs', (proxyReq: any) => {
-          applyProxyOrigin(proxyReq, graphqlProxyOrigin);
-          if (graphqlProxyBasicAuthEnabled) applyProxyBasicAuth(proxyReq);
-        });
-      },
-    };
-  }
+function readDevProxyAuthUser(env: Record<string, string | undefined>): string | undefined {
+  const raw = String(env.DEV_PROXY_AUTH_USER || env.VITE_DEV_AUTH_USER || '').trim();
+  return raw || undefined;
 }
-if (uiProxyTarget) {
-  for (const prefix of ['/whoami', '/auth', '/logout']) {
-    proxy[prefix] = {
-      target: uiProxyTarget,
+
+export default defineConfig(({ mode }) => {
+  const env = { ...process.env, ...loadEnv(mode, DIR, '') } as Record<string, string | undefined>;
+  const apiReadToken = readApiReadToken(env);
+  const apiAdminSecret = readApiAdminSecret(env);
+  const proxyBasicAuth = readProxyBasicAuth(env);
+  const devProxyAuthUser = readDevProxyAuthUser(env);
+  const apiProxyTargetRaw = String(env.API_PROXY_TARGET || '').trim();
+  const apiProxyTarget = apiProxyTargetRaw || undefined;
+  const apiProxyTargetUrl = apiProxyTarget ? parseUrl(apiProxyTarget) : undefined;
+  const apiProxyTargetPath = stripTrailingSlashes(apiProxyTargetUrl?.pathname || '/');
+  const apiProxyTargetEndsWithApi = apiProxyTargetPath.endsWith('/api');
+  const apiProxyStripPrefixRaw = String(env.API_PROXY_STRIP_PREFIX || (apiProxyTargetEndsWithApi ? '/api' : '')).trim();
+  const apiProxyStripPrefix = apiProxyStripPrefixRaw ? stripTrailingSlashes(apiProxyStripPrefixRaw) : '';
+  const uiProxyTarget =
+    env.FRONTEND_PROXY_TARGET ||
+    env.UI_PROXY_TARGET ||
+    env.AUTH_PROXY_TARGET ||
+    inferUiProxyTarget(apiProxyTarget) ||
+    (apiProxyTargetUrl && apiProxyTargetPath === '/'
+      ? stripTrailingSlashes(apiProxyTargetUrl.toString())
+      : undefined);
+  const graphqlProxyTarget = env.GRAPHQL_PROXY_TARGET || env.HASURA_PROXY_TARGET || uiProxyTarget;
+  const graphqlProxyPathRaw = String(env.GRAPHQL_PROXY_PATH || '').trim();
+  const graphqlProxyPath = graphqlProxyPathRaw ? stripTrailingSlashes(graphqlProxyPathRaw) : '';
+  const portRaw = env.VITE_DEV_PORT || env.DEV_PORT || '5173';
+  const port = Number.parseInt(String(portRaw), 10);
+
+  function applyProxyBasicAuth(proxyReq: any) {
+    if (!proxyBasicAuth) return false;
+    const b64 = Buffer.from(`${proxyBasicAuth.username}:${proxyBasicAuth.password}`, 'utf8').toString('base64');
+    proxyReq.setHeader('Authorization', `Basic ${b64}`);
+    return true;
+  }
+
+  function applyDevProxyAuth(proxyReq: any) {
+    if (!devProxyAuthUser) return false;
+    proxyReq.setHeader('x-trade-user', devProxyAuthUser);
+    return true;
+  }
+
+  const proxy: Record<string, any> = {
+  };
+
+  if (apiProxyTarget) {
+    proxy['/api'] = {
+      target: apiProxyTarget,
      changeOrigin: true,
+      rewrite: (p: string) => {
+        if (!apiProxyStripPrefix) return p;
+        const rewritten = p.replace(new RegExp(`^${apiProxyStripPrefix}`), '');
+        return rewritten || '/';
+      },
      configure: (p: any) => {
        p.on('proxyReq', (proxyReq: any) => {
-          applyProxyOrigin(proxyReq, uiProxyOrigin);
          applyProxyBasicAuth(proxyReq);
-        });
-        p.on('proxyRes', (proxyRes: any) => {
-          rewriteSetCookieForLocalDevHttp(proxyRes);
+          applyDevProxyAuth(proxyReq);
+          if (apiAdminSecret) {
+            proxyReq.setHeader('x-admin-secret', apiAdminSecret);
+            return;
+          }
+          if (apiReadToken) proxyReq.setHeader('Authorization', `Bearer ${apiReadToken}`);
        });
      },
    };
  }
-}

-export default defineConfig({
-  plugins: [react()],
-  server: {
-    port: 5173,
-    strictPort: false,
-    proxy,
-  },
+  if (graphqlProxyTarget) {
+    for (const prefix of ['/graphql', '/graphql-ws']) {
+      proxy[prefix] = {
+        target: graphqlProxyTarget,
+        changeOrigin: true,
+        ws: true,
+        rewrite: (p: string) => (graphqlProxyPath ? p.replace(new RegExp(`^${prefix}`), graphqlProxyPath) : p),
+        configure: (p: any) => {
+          p.on('proxyReq', (proxyReq: any) => {
+            applyProxyBasicAuth(proxyReq);
+            applyDevProxyAuth(proxyReq);
+          });
+          p.on('proxyReqWs', (proxyReq: any) => {
+            applyProxyBasicAuth(proxyReq);
+            applyDevProxyAuth(proxyReq);
+          });
+        },
+      };
+    }
+  }
+
+  if (uiProxyTarget) {
+    for (const prefix of ['/whoami', '/auth', '/logout']) {
+      proxy[prefix] = {
+        target: uiProxyTarget,
+        changeOrigin: true,
+        configure: (p: any) => {
+          p.on('proxyReq', (proxyReq: any) => {
+            applyProxyBasicAuth(proxyReq);
+            applyDevProxyAuth(proxyReq);
+          });
+          p.on('proxyRes', (proxyRes: any) => {
+            rewriteSetCookieForLocalDevHttp(proxyRes);
+          });
+        },
+      };
+    }
+  }
+
+  return {
+    plugins: [react()],
+    server: {
+      port: Number.isInteger(port) && port > 0 ? port : 5173,
+      strictPort: true,
+      proxy,
+    },
+  };
 });
--- a/doc/candles-cache.md
+++ b/doc/candles-cache.md
@@ -1,39 +0,0 @@
-# Candles cache: precompute wszystkich timeframe (1s…1d)
-
-Cel: przełączanie `tf` w UI ma być natychmiastowe. Backend ma **ciągle liczyć** i **przechowywać** świeczki dla wszystkich timeframe:
-
-`1s 3s 5s 15s 30s 1m 3m 5m 15m 30m 1h 4h 12h 1d`
-
-## Jak to działa
-
-1) Ticki (append-only) lądują w `drift_ticks`.
-2) Worker `candles-cache-worker`:
-   - liczy świeczki dla **każdego** `bucket_seconds` bezpośrednio z `drift_ticks`,
-   - trzyma w DB “ostatnie N” świec (domyślnie `N=1024`) per `(symbol, source, tf)`,
-   - jeśli danych historycznych jest mniej (np. brak wielu dni) — zapisuje tylko to, co istnieje,
-   - robi backfill/warmup przy starcie i potem dopisuje “na bieżąco” w pętli.
-3) API `GET /v1/chart` czyta **cache-first** z `drift_candles_cache` (fallback do on-demand funkcji, jeśli cache pusty).
-
-## Tabela
-
- `drift_candles_cache` (Timescale hypertable, partycjonowanie po `bucket`)
-  - `bucket_seconds` = długość świecy w sekundach
-  - `source=''` oznacza “(any)” (brak filtra po źródle ticków)
-
-## Worker
-
-Plik: `services/candles-worker/candles-cache-worker.mjs`
-
-Env:
- `CANDLES_SYMBOLS` (np. `SOL-PERP,PUMP-PERP`)
- `CANDLES_SOURCES` (np. `any,drift_oracle`)
- `CANDLES_TFS` (np. `1s,3s,5s,15s,...,1d`)
- `CANDLES_TARGET_POINTS` (default `1024`)
- `CANDLES_BACKFILL_DAYS` (opcjonalnie: wymusza minimalny warmup “co najmniej X dni”)
- `CANDLES_POLL_MS` (default `5000`)
-
-## Dlaczego to jest szybkie
-
- najcięższe agregacje są robione raz i utrzymywane “na bieżąco”,
- przełączenie `tf` to tylko query po gotowych wierszach (`order_by bucket desc limit N`),
- “flow/brick stack” w `/v1/chart` jest liczone z cache “point candles” (np. `1s/3s/5s/15s/…`) bez skanowania `drift_ticks`.
--- a/doc/dlob-basics.md
+++ b/doc/dlob-basics.md
@@ -1,216 +0,0 @@
-# DLOB + L1…L10 — podstawy (co jest czym i gdzie to liczymy)
-
-Ten dokument wyjaśnia pojęcia:
- **DLOB** (Drift Limit Order Book),
- **L1 / L2 / L3** oraz potoczne **L1…L10**,
- na jakich warstwach w naszym stacku powstają dane i metryki,
- gdzie “pracuje AI” (modele/strategie) vs gdzie jest execution (order placement).
-
-## Co to jest DLOB
-
-**DLOB** = *Decentralized Limit Order Book* w Drift.
-
-W praktyce: to jest **księga zleceń** dla rynku (np. `SOL-PERP`):
- **bids** = zlecenia kupna (po stronie bid),
- **asks** = zlecenia sprzedaży (po stronie ask).
-
-Księga ma wiele “poziomów” cenowych; przy każdej cenie stoi pewna ilość (size).
-
-## L1 / L2 / L3 (format i sens)
-
-### L1 (Top of Book)
-L1 to skrót od “top of book”:
- **best bid** = najwyższa cena kupna (pierwszy poziom po stronie bid),
- **best ask** = najniższa cena sprzedaży (pierwszy poziom po stronie ask).
-
-Z L1 najczęściej liczysz:
- **spread** = `best_ask - best_bid`,
- **mid** = `(best_bid + best_ask) / 2`.
-
-### L2 (zagregowane poziomy)
-L2 to lista poziomów (levels) po obu stronach:
- `bids: [{ price, size }, ...]` (zwykle posortowane malejąco po `price`)
- `asks: [{ price, size }, ...]` (zwykle posortowane rosnąco po `price`)
-
-To jest najpopularniejszy “orderbook UI”: słupki/heat per poziom ceny.
-
-### L3 (pojedyncze zlecenia)
-L3 to “niezagregowane” dane: pojedyncze zlecenia (większy wolumen danych).
-U nas pod UI i metryki zazwyczaj wystarcza L2.
-
-## L1…L10 (co to znaczy w praktyce)
-
-**L1…L10** to potoczne określenie:
-> “pierwsze 10 poziomów z L2 najbliżej top of book”.
-
-To nie jest osobny format; to po prostu wycinek L2.
-
-W naszym stacku “ile leveli bierzemy” kontroluje:
- `DLOB_DEPTH` (np. 10 → “L1…L10”).
-
-## Jak to działa w naszym stacku (warstwy)
-
-Poniżej “łańcuch” od źródła do metryk:
-
-### Warstwa A: On-chain → DLOB w pamięci (VPS/k3s)
-Komponent: `dlob-publisher`.
-
- Łączy się do Solany przez `ENDPOINT` (HTTP RPC) i `WS_ENDPOINT` (WebSocket).
- Subskrybuje konta/zdarzenia i buduje DLOB (orderbook) w pamięci.
- Publikuje snapshoty do Redis (u nas: `dlob-redis`).
-
-To jest najbliżej źródła i zwykle najbardziej “real-time”.
-
-### Warstwa B: Cache + REST API (VPS/k3s)
-Komponenty: `dlob-redis` + `dlob-server`.
-
- `dlob-redis` trzyma snapshoty/publish.
- `dlob-server` udostępnia HTTP:
-  - `GET /l2?marketName=SOL-PERP&depth=10` → L2 (bids/asks + best bid/ask itp.)
-  - `GET /l3?...` → L3 (jeśli potrzebujesz)
-
-To jest warstwa dystrybucji danych “w klastrze”, żeby inne serwisy nie musiały gadać bezpośrednio z Solaną.
-
-Uwaga o rynkach:
- `dlob-publisher` ładuje rynki wg `PERP_MARKETS_TO_LOAD` (indeksy) / `SPOT_MARKETS_TO_LOAD`.
- Jeśli rynek nie jest załadowany przez publisher, `dlob-server` nie rozpozna `marketName`.
-
-### Warstwa C: Metryki w DB/Hasura (VPS/k3s)
-Komponenty: `dlob-worker`, `dlob-depth-worker`, `dlob-slippage-worker`.
-
-To są “workery pod UI/AI”, które liczą metryki i zapisują je do Postgresa (Hasura).
-
-#### `dlob-worker` (collector + basic stats)
-Wejście:
- odpytuje `dlob-server` po HTTP `/l2` (źródło L2),
- rynki: `DLOB_MARKETS`,
- głębokość (ile leveli): `DLOB_DEPTH`,
- częstotliwość: `DLOB_POLL_MS`.
-
-Wyjście (upsert do DB):
- `dlob_l2_latest` = snapshot L2 “latest” per market,
- `dlob_stats_latest` = pochodne metryki liczone z top‑N leveli (N=`DLOB_DEPTH`), m.in.:
-  - `mid_price`, `spread_abs`, `spread_bps`,
-  - `depth_bid_*` / `depth_ask_*`,
-  - `imbalance`.
-
-Czyli: jeśli pytasz “gdzie liczymy L1…L10 metryki” → tutaj (w `dlob-worker`), bo bierze top‑N leveli z L2.
-
-#### `dlob-depth-worker` (depth w bandach bps)
-Wejście:
- czyta z DB `dlob_l2_latest` (czyli już “przetworzone” L2).
-
-Wyjście:
- `dlob_depth_bps_latest` = płynność w pasmach wokół mid (np. ±5/10/20/50/100/200 bps).
-
-To nie jest “L1…L10”, tylko “ile płynności mieści się w oknie cenowym” wokół mid.
-
-#### `dlob-slippage-worker` (slippage vs size)
-Wejście:
- czyta z DB `dlob_l2_latest`.
-
-Wyjście:
- `dlob_slippage_latest` = symulacja wykonania zlecenia (market) po L2 dla progów `DLOB_SLIPPAGE_SIZES_USD`.
-
-To jest bardzo użyteczne jako feature do strategii (“ile kosztuje wejście/wyjście teraz dla X USD”).
-
-## Gdzie “pracuje AI” (TFT itp.)
-
-AI/strategia powinna pracować na warstwie “features”, a nie na surowych subskrypcjach Solany:
-
-Najczęstszy zestaw wejść dla modelu:
- candles/ticki (np. `drift_ticks` + `get_drift_candles(...)`),
- bieżące statsy z DLOB:
-  - `dlob_stats_latest` (mid/spread/depth/imbalance),
-  - `dlob_depth_bps_latest` (depth w bandach),
-  - `dlob_slippage_latest` (slippage vs size),
- opcjonalnie pełny snapshot L2 (z `dlob_l2_latest`), jeśli model potrzebuje “kształtu” książki.
-
-Kluczowa zasada bezpieczeństwa:
- **Model (np. na Vast)** może sugerować “desired state” (wejść/wyjść/parametry),
- **Executor na VPS** zawsze odpowiada za:
-  - risk checks,
-  - składanie/cancel/close,
-  - klucze prywatne i podpisywanie transakcji,
-  - kill switch.
-
-## Szybki słownik (1-liner)
-
- **bid**: kupno, zielona strona książki
- **ask**: sprzedaż, czerwona strona książki
- **best bid / best ask (L1)**: top-of-book
- **spread**: koszt “wejścia/wyjścia natychmiast” (ask-bid)
- **mid**: punkt odniesienia między bid/ask
- **L2**: lista poziomów `{price,size}`
- **L1…L10**: top 10 poziomów z L2 (u nas kontrolowane przez `DLOB_DEPTH`)
-
-## Jak liczymy “liquidity” i “kasa” (USD) w metrykach
-
-W UI/DB słowo “liquidity” zwykle oznacza **depth**: “ile wolumenu stoi w orderbooku blisko ceny”.
-U nas trzymamy to rozdzielnie dla bid/ask oraz w dwóch wariantach:
-
-### A) Top‑N leveli (np. L1…L10) — `dlob_stats_latest`
-Liczone w `dlob-worker` na podstawie L2 z `/l2`:
-
- Bierzemy pierwsze `N = DLOB_DEPTH` leveli z `bids` i `asks`.
- Każdy level ma:
-  - `price = price_int / PRICE_PRECISION`
-  - `size_base = size_int / BASE_PRECISION`
-  - “kasa” (notional) na tym levelu: `size_usd = size_base * price`
- Sumujemy po levelach:
-  - `depth_bid_base = Σ size_base` (po stronie bid),
-  - `depth_bid_usd = Σ (size_base * price)` (po stronie bid),
-  - analogicznie `depth_ask_base`, `depth_ask_usd` (po stronie ask).
-
-To odpowiada intuicji “ile jest płynności na L1…LN”.
-
-### B) Okno cenowe w bps od mid — `dlob_depth_bps_latest`
-Liczone w `dlob-depth-worker` na podstawie `dlob_l2_latest`:
-
- Dla pasma `band_bps` wyznaczamy:
-  - `minBidPrice = mid * (1 - band_bps/10_000)`
-  - `maxAskPrice = mid * (1 + band_bps/10_000)`
- Sumujemy wszystkie levele, które mieszczą się w tym oknie:
-  - bids: `price >= minBidPrice`
-  - asks: `price <= maxAskPrice`
- Liczymy sumy:
-  - `bid_base`, `bid_usd`, `ask_base`, `ask_usd` tak jak wyżej (`usd = base * price`).
-
-To odpowiada intuicji “ile płynności jest *blisko* ceny w ±X bps”.
-
-### Ważne doprecyzowanie
-
-Te liczby to **notional z orderbooka** (ile “stoi” na poziomach cenowych).
-Nie są to “pieniądze w kontrakcie”, tylko przybliżenie kosztu/pojemności wykonania przy danej cenie i bez przesunięcia rynku.
-
-## Spec: Orderbook UI (L1…L10 + “liquidity bars”)
-
-Wizualizacja orderbooka (jak na screenach) jest oparta o L2 i pokazuje tylko top‑N leveli:
- `N` = liczba leveli wyświetlanych na stronę (np. 10 → “L1…L10”).
-
-### Kolumny / wartości
-
-Na każdym levelu liczymy:
- `size_usd = size_base * price`
-
-W UI pokazujemy:
- `Size (USD)` = `size_usd` dla danego poziomu,
- `Total (USD)` = suma skumulowana od best‑price “w głąb” (cumulative):
-  - bids: kumulacja od best bid w dół,
-  - asks: kumulacja od best ask w górę (w UI zwykle best ask jest bliżej środka).
-
-### “Liquidity bars” (znormalizowane słupki tła)
-
-Żeby “na oko” widzieć gdzie stoi płynność:
-
-1) **Level bar (per‑poziom)** — normalizacja do największego `size_usd` w widocznych levelach danej strony:
-   - `level_scale = size_usd / max(size_usd w widoku)`
-2) **Total bar (cumulative)** — normalizacja do największego `total_usd` w widocznych levelach danej strony:
-   - `total_scale = total_usd / max(total_usd w widoku)`
-
-Żeby duże “ściany” nie zabijały kontrastu, warto użyć krzywej:
- `scale_curved = sqrt(clamp01(scale))`
-
-Interpretacja:
- **level bar** = “ile stoi na tym poziomie”,
- **total bar** = “ile stoi łącznie do tego poziomu”.
--- a/doc/dlob-services.md
+++ b/doc/dlob-services.md
@@ -1,153 +0,0 @@
-# Serwisy DLOB na VPS (k3s / `trade-staging`)
-
-Ten dokument opisuje rolę serwisów “DLOB” uruchomionych w namespace `trade-staging` oraz ich przepływ danych.
-
-## Czy `dlob-worker` pracuje na VPS?
-
-Tak — wszystkie serwisy wymienione niżej działają **na VPS** jako Deploymenty w klastrze k3s, w namespace `trade-staging`.
-
-## Czy na VPS jest GraphQL/WS dla stats i orderbook?
-
-Tak — **GraphQL wystawia Hasura** (na VPS w k3s), a nie `dlob-server`.
-
- Dane L2 i liczone statsy są zapisane do Postgresa jako tabele `dlob_*_latest` i są dostępne przez Hasurę jako GraphQL (query + subscriptions).
- Z zewnątrz korzystamy przez frontend (proxy) pod:
-  - HTTP: `https://trade.rv32i.pl/graphql`
-  - WS: `wss://trade.rv32i.pl/graphql` (subskrypcje, protokół `graphql-ws`)
-
-`dlob-server` wystawia **REST** (np. `/l2`, `/l3`) w klastrze; to jest źródło danych dla workerów albo do debugowania.
-
-## TL;DR: kto co robi
-
-### `dlob-worker`
- **Rola:** kolektor L2 + wyliczenie “basic stats”.
- **Wejście:** HTTP L2 z `DLOB_HTTP_URL` (u nas obecnie `https://dlob.drift.trade`, ale można przełączyć na `http://dlob-server:6969`).
- **Wyjście:** upsert do Hasury (Postgres) tabel:
-  - `dlob_l2_latest` (raw snapshot L2, JSON leveli)
-  - `dlob_stats_latest` (pochodne: best bid/ask, mid, spread, depth, imbalance, itp.)
- **Częstotliwość:** `DLOB_POLL_MS` (u nas 500 ms).
-
-### `dlob-slippage-worker`
- **Rola:** symulacja slippage vs rozmiar zlecenia na podstawie L2.
- **Wejście:** czyta z Hasury `dlob_l2_latest` (dla listy rynków).
- **Wyjście:** upsert do Hasury tabeli `dlob_slippage_latest` (m.in. `impact_bps`, `vwap_price`, `worst_price`, `fill_pct`).
- **Częstotliwość:** `DLOB_POLL_MS` (u nas 1000 ms); rozmiary w `DLOB_SLIPPAGE_SIZES_USD`.
-
-### `dlob-depth-worker`
- **Rola:** metryki “głębokości” w pasmach ±bps wokół mid.
- **Wejście:** czyta z Hasury `dlob_l2_latest`.
- **Wyjście:** upsert do Hasury tabeli `dlob_depth_bps_latest` (per `(market_name, band_bps)`).
- **Częstotliwość:** `DLOB_POLL_MS` (u nas 1000 ms); pasma w `DLOB_DEPTH_BPS_BANDS`.
-
-### `dlob-publisher`
- **Rola:** utrzymuje “żywy” DLOB na podstawie subskrypcji on-chain i publikuje snapshoty do Redis.
- **Wejście:** Solana RPC/WS (`ENDPOINT`, `WS_ENDPOINT` z secreta `trade-dlob-rpc`), Drift SDK; konfiguracja rynków np. `PERP_MARKETS_TO_LOAD`.
- **Wyjście:** zapis/publish do `dlob-redis` (cache / pubsub / streamy), z którego korzysta serwer HTTP (i ewentualnie WS manager).
-
-### `dlob-server`
- **Rola:** HTTP API do danych DLOB (np. `/l2`, `/l3`) serwowane z cache Redis.
- **Wejście:** `dlob-redis` + slot subscriber (do oceny “świeżości” danych).
- **Wyjście:** endpoint HTTP w klastrze (Service `dlob-server:6969`), który może być źródłem dla `dlob-worker` (gdy `DLOB_HTTP_URL=http://dlob-server:6969`).
-
-### `dlob-redis`
- **Rola:** Redis (u nas single-node “cluster mode”) jako **cache i kanał komunikacji** między `dlob-publisher` a `dlob-server`.
- **Uwagi:** to “klej” między komponentami publish/serve; bez niego publisher i server nie współpracują.
-
-## Jak to się spina (przepływ danych)
-
-1) `dlob-publisher` (on-chain) → publikuje snapshoty do `dlob-redis`.
-2) `dlob-server` → serwuje `/l2` i `/l3` z `dlob-redis` (HTTP w klastrze).
-3) `dlob-worker` → pobiera L2 (obecnie z `https://dlob.drift.trade`; opcjonalnie z `dlob-server`) i zapisuje “latest” do Hasury/DB.
-4) `dlob-slippage-worker` + `dlob-depth-worker` → liczą agregaty z `dlob_l2_latest` i zapisują do Hasury/DB (pod UI).
-
-## Co to jest L1 / L2 / L3 (orderbook)
-
- `L1` (top-of-book): tylko najlepszy bid i najlepszy ask (czasem też spread).
- `L2` (Level 2): **zagregowane poziomy cenowe** po stronie bid/ask — lista leveli `{ price, size }`, gdzie `size` to suma wolumenu na danej cenie (to jest typowy “orderbook UI” i baza pod spread/depth/imbalance).
- `L3` (Level 3): **niezagregowane, pojedyncze zlecenia** (każde osobno, zwykle z dodatkowymi polami/identyfikatorami). Większy wolumen danych; przydatne do “pro” analiz i debugowania mikrostruktury.
-
-W tym stacku:
- `dlob-server` udostępnia REST endpointy `/l2` i `/l3`.
- Hasura/DB trzyma “latest” snapshot L2 w `dlob_l2_latest` oraz metryki w `dlob_stats_latest` / `dlob_depth_bps_latest` / `dlob_slippage_latest`.
-
-## Słownik pojęć (bid/ask/spread i metryki)
-
-### Podstawy orderbooka
-
- **Bid**: zlecenia kupna (chęć kupna). W orderbooku “bid side”.
- **Ask**: zlecenia sprzedaży (chęć sprzedaży). W orderbooku “ask side”.
- **Best bid / best ask**: najlepsza (najwyższa) cena kupna i najlepsza (najniższa) cena sprzedaży na topie księgi (L1).
- **Spread**: różnica pomiędzy `best_ask` a `best_bid`. Im mniejszy spread, tym “taniej” wejść/wyjść (mniej kosztów natychmiastowej realizacji).
- **Mid price**: cena “po środku”: `(best_bid + best_ask) / 2`. Używana jako punkt odniesienia do bps i slippage.
- **Level**: pojedynczy poziom cenowy w L2 (np. `price=100.00`, `size=12.3`).
- **Size**: ilość/płynność na poziomie (zwykle w jednostkach “base asset”).
- **Base / Quote**:
-  - `base` = instrument bazowy (np. SOL),
-  - `quote` = waluta wyceny (często USD).
-
-## Kolory w UI (visualizer)
-
- `bid` / “buy side” = zielony (`.pos`, `#22c55e`)
- `ask` / “sell side” = czerwony (`.neg`, `#ef4444`)
- “flat” / brak zmiany = niebieski (`#60a5fa`) — używany m.in. w “brick stack” pod świecami
-
-### Jednostki i skróty
-
- **bps (basis points)**: 1 bps = 0.01% = `0.0001`. Np. 25 bps = 0.25%.
- **USD**: u nas wiele wartości jest przeliczanych do USD (np. `size_base * price`).
-
-### Metryki “stats” (np. `dlob_stats_latest`)
-
- `spread_abs` (USD): `best_ask - best_bid`.
- `spread_bps` (bps): `(spread_abs / mid_price) * 10_000`.
- `depth_levels`: ile leveli (top‑N) z każdej strony braliśmy do liczenia “depth”.
- `depth_bid_base` / `depth_ask_base`: suma `size` po top‑N levelach bid/ask (w base).
- `depth_bid_usd` / `depth_ask_usd`: suma `size_base * price` po top‑N levelach (w USD).
- `imbalance` ([-1..1]): miara asymetrii płynności:
-  - `(depth_bid_usd - depth_ask_usd) / (depth_bid_usd + depth_ask_usd)`
-  - >0 = relatywnie więcej płynności po bid, <0 = po ask.
- `oracle_price`: cena z oracla (np. Pyth) jako punkt odniesienia.
- `mark_price`: “mark” z rynku/perp (cena referencyjna dla rozliczeń); różni się od oracle/top-of-book.
-
-### Metryki “depth bands” (np. `dlob_depth_bps_latest`)
-
- `band_bps`: szerokość pasma wokół `mid_price` (np. 5/10/20/50/100/200 bps).
- `bid_usd` / `ask_usd`: płynność po danej stronie, ale **tylko z poziomów mieszczących się w oknie ±`band_bps`** wokół mid.
- `imbalance`: jak wyżej, ale liczony per band.
-
-### Metryki “slippage” (np. `dlob_slippage_latest`)
-
-To jest symulacja “gdybym teraz zrobił market order o rozmiarze X” na podstawie L2.
-
- `size_usd`: docelowy rozmiar zlecenia w USD.
- `vwap_price`: średnia cena realizacji (Volume Weighted Average Price) dla symulowanego fill.
- `impact_bps`: koszt/odchylenie względem `mid_price` wyrażone w bps (zwykle na bazie `vwap` vs `mid`).
- `worst_price`: najgorsza cena dotknięta podczas “zjadania” kolejnych leveli.
- `filled_usd` / `filled_base`: ile realnie udało się wypełnić (może być < docelowego, jeśli brakuje płynności).
- `fill_pct`: procent wypełnienia (100% = pełny fill).
- `levels_consumed`: ile leveli zostało “zjedzonych” podczas fill.
-
-### Metadane czasu (“świeżość”)
-
- `ts`: timestamp źródła (czas snapshotu).
- `slot`: slot Solany, z którego pochodzi snapshot (monotoniczny “numer czasu” chaina).
- `updated_at`: kiedy nasz worker zapisał/odświeżył rekord w DB (do oceny, czy dane są świeże).
-
-## Szybka diagnostyka na VPS
-
-```bash
-KUBECONFIG=/etc/rancher/k3s/k3s.yaml kubectl -n trade-staging get deploy | grep -E 'dlob-(worker|slippage-worker|depth-worker|publisher|server|redis)'
-KUBECONFIG=/etc/rancher/k3s/k3s.yaml kubectl -n trade-staging logs deploy/dlob-worker --tail=80
-KUBECONFIG=/etc/rancher/k3s/k3s.yaml kubectl -n trade-staging logs deploy/dlob-publisher --tail=80
-KUBECONFIG=/etc/rancher/k3s/k3s.yaml kubectl -n trade-staging logs deploy/dlob-server --tail=80
-```
-
-## Ważna uwaga (źródło L2 w `dlob-worker`)
-
-Jeśli chcesz, żeby `dlob-worker` polegał na **naszym** stacku (własny RPC + `dlob-publisher` + `dlob-server`), ustaw:
-
- `DLOB_HTTP_URL=http://dlob-server:6969`
-
-Aktualnie w `trade-staging` jest ustawione:
-
- `DLOB_HTTP_URL=https://dlob.drift.trade`
--- a/doc/drift-costs.md
+++ b/doc/drift-costs.md
@@ -1,120 +0,0 @@
-# Drift Perp: koszty wejścia/edycji/wyjścia (stan na 2026-01-31)
-
-Ten dokument zbiera **wszystkie realne składowe kosztu** przy handlu perps na Drift, żebyśmy mogli je liczyć na backendzie i wizualizować w UI.
-
-## 1) Składowe kosztu (per trade / per pozycja)
-
-### A. Opłata transakcyjna Drift (maker/taker)
- **Taker fee**: procent od **notional** (wartości pozycji w USD/USDC).
- **Maker fee**: zwykle **ujemny** (rebate) dla zleceń maker (np. post-only), zgodnie z aktualnym cennikiem.
- Stawki zależą od wolumenu 30D oraz stakingu DRIFT (dodatkowe zniżki / większe rebate).
- W **High Leverage Mode** taker fee może być podbite (np. 2× najniższy tier).
-> TODO: potwierdzić aktualne stawki fee (z Drift SDK / on-chain) i zapisać je jako “source of truth” dla backendu.
-
-**Wzór (pojedynczy fill):**
- `notional = |size_base| * fill_price`
- `trade_fee_usd = notional * fee_rate` (dla maker `fee_rate` może być < 0)
-
-### B. Slippage / spread (koszt rynkowy)
-To nie jest fee protokołu, ale realny koszt wejścia/wyjścia:
- `slippage_cost_usd ≈ (fill_price - mid_price) * size_base` (znak zależy od long/short)
- U nas to powinno być liczone z DLOB (L2 + symulacja fill).
-
-### C. Funding (koszt/zarobek w czasie trzymania pozycji)
- Funding jest naliczany w czasie i realizowany przy akcjach użytkownika (trade/deposit/withdraw) – w praktyce dla krótkich holdingów (minuty–1h) zwykle jest małym składnikiem, ale nie zawsze zerowym.
-
-**Wzór (upraszczając):**
- `funding_usd ≈ Σ (position_notional_usd * funding_rate_interval)`
-
-### D. P&L settlement / “unsettled P&L” (wpływ na withdraw)
- Żeby **wypłacić zysk**, czasem trzeba wykonać `settlePNL` (rozlicza P&L do P&L Pool; nie zamyka pozycji, tylko zmienia cost basis).
- Jeśli brakuje środków w per-market P&L Pool, zysk może być częściowo **unsettled** i nie będzie w pełni wypłacalny od razu.
-
-### E. Liquidation penalty (jeśli konto spadnie poniżej maintenance)
- Przy wejściu w liquidację protokół najpierw anuluje otwarte ordery/LP, a następnie liquidator może redukować pozycje.
- “Penalty/fee” jest ustawiana per-market i zwykle jest wyższa niż zwykły taker fee (żeby dać rebate liquidatorowi).
-
-### F. Koszt sieci Solana (per instrukcja / per tx)
-To koszt “infrastrukturalny” każdej akcji on-chain (order, cancel, modify, settlePNL, deposit/withdraw, close).
- **Base fee**: 5000 lamports per signature (minimum).
- **Priority fee**: opcjonalny, zależy od congestion.
- Jednorazowo może dojść **rent/account creation** (np. token account), jeśli czegoś brakuje.
-
-## 2) “Ile kosztuje” konkretna akcja (checklista)
-
-### Wejście w pozycję (open / increase)
-1) **Solana tx fee** (base + ewentualnie priority)
-2) **Drift trading fee** (maker/taker) od notional
-3) **Slippage/spread** (z DLOB)
-4) (w tle) funding zaczyna naliczać się w czasie
-
-### Zmiana pozycji (increase/decrease/flip)
-To po prostu kolejny trade:
- znowu `tx fee + trading fee + slippage`
- oraz często realizacja funding (zależy od tego czy funding został zaktualizowany)
-
-### Wyjście z pozycji (close)
-1) `tx fee`
-2) `trading fee` (druga strona round-trip)
-3) `slippage`
-4) **realized PnL** = różnica cen ± funding − fees
-5) jeśli chcesz wypłacić: możliwe `settlePNL` oraz limit z P&L pool
-
-### Edycja zlecenia (modify)
-Zwykle koszt to:
- `tx fee` (czasem modify = cancel+place, zależnie od ścieżki w kliencie)
- brak trading fee, jeśli nie było fill
-
-### Cancel zlecenia
- `tx fee`
- brak trading fee (jeśli 0 fill)
-
-### Monitorowanie zysku / risk (PnL, margin, health)
-On-chain: bez kosztu, jeśli tylko czytasz RPC/indexera.
-Koszt pojawia się dopiero przy akcjach typu trade/cancel/settle/withdraw.
-
-## 3) Przykład liczbowy (taker, round-trip)
-
-Załóż:
- `notional = 10,000 USDC`
- `taker_fee_rate = 0.0350%` (PRZYKŁAD – realna stawka zależy od tieru)
-
-Wtedy:
- wejście: `10,000 * 0.00035 = 3.50 USDC`
- wyjście: `3.50 USDC`
- razem fee (bez slippage/funding): `7.00 USDC` + 2× Solana tx fee (+ priority jeśli ustawisz).
-
-## 4) Co musimy znać, żeby liczyć to “dokładnie” w backendzie
-
-Minimalny zestaw wejść:
- market (np. `SOL-PERP`)
- order type (market/limit/post-only), przewidywany fill path (taker vs maker)
- notional/size, przewidywany fill (DLOB simulation)
- fee tier użytkownika + staking/discounty + ew. “fee adjusted markets”
- funding history + horyzont (np. 1h/4h/24h/7d)
- czy chcemy uwzględniać `settlePNL` oraz status “unsettled PnL” przed withdraw
-
---
-
-## 5) Słownik (kluczowe pojęcia w UI/API)
-
-Poniżej jest skrót pojęć, których używamy w warstwach “Costs (New)” i “Costs (Active)”:
-
- `notional` — wartość pozycji w USD (np. 10 USD); na tym liczymy bps i fee.
- `bps` (basis points) — punkty bazowe: `1 bps = 0.01% = 0.0001`.  
-  Przeliczenie na koszt: `koszt_usd ≈ notional_usd * bps / 10_000`.
- `fee` — opłata protokołu Drift (maker/taker) od `notional`; zwykle stała dla danego trybu/tieru.
- `tx fee` — koszt transakcji na Solanie (base fee + ewentualny priority fee).
- `slippage` — koszt rynkowy wejścia/wyjścia, bo wykonujesz się gorzej niż `mid` (zależy od płynności).
- `impact (bps)` — slippage wyrażony w bps (dla danego notionalu).
- `spread` — różnica `best_ask - best_bid`; “minimalny” koszt natychmiastowego wejścia/wyjścia w płytkim booku.
- `mid` — `(best_bid + best_ask) / 2`; punkt odniesienia ceny z orderbooka.
- `VWAP` — średnia cena wykonania dla danego rozmiaru (symulacja fill po L2).
- `breakeven (bps)` — minimalny ruch ceny (w bps), żeby koszty się zwróciły (wyjść na 0).
- `PnL` (profit and loss) — zysk/strata:
-  - `unrealized PnL` — “na papierze”, gdy pozycja jest otwarta (zależy od ceny teraz),
-  - `realized PnL` — zrealizowany po zamknięciu (lub częściowym zamknięciu) pozycji,
-  - `net PnL` — PnL po odjęciu kosztów (`fee + tx + slippage + funding`).
- `funding` — okresowa płatność long↔short; koszt albo zysk zależny od rynku i czasu trzymania.
- `close now` — estymata kosztu natychmiastowego zamknięcia pozycji (zwykle po przeciwnej stronie booka).
- `modify` / `reprice` — koszt “zarządzania zleceniem” (cancel+place itp.), głównie `tx fee` (czasem wielokrotnie).
--- a/doc/drift-data-bez-solana-rpc.md
+++ b/doc/drift-data-bez-solana-rpc.md
@@ -1,109 +0,0 @@
-# Drift / Solana: czy mamy dostęp do danych bez Solana RPC?
-
-Pytanie ma dwa znaczenia — rozdzielmy je jasno:
-
-1) **bez własnego (bare metal) RPC** — czyli nie utrzymujemy swojego `solana-validator --rpc`, ale korzystamy z dostawcy RPC albo zewnętrznych serwisów,
-2) **bez żadnego RPC w ogóle** — czyli nikt w naszym systemie nie pyta Solany o stan on‑chain.
-
-TL;DR:
- **Bez własnego RPC**: tak, da się na start (hosted RPC +/lub serwisy zewnętrzne).
- **Bez żadnego RPC**: tylko częściowo (dane “rynkowe” można brać z zewnętrznego DLOB), ale **stan konta/pozycji/fille/funding** i tak pochodzi z chaina, więc ktoś musi mieć RPC.
-
---
-
-## Co z Twojego “speca” da się mieć bez własnego RPC?
-
-Poniżej mapowanie kategorii danych (z Twojego opisu A–F) na źródła:
-
-### B) Prices / microstructure (oracle/mark/BBO, “close now”)
-
-**Da się bez własnego RPC**:
- Tak. W naszym stacku te dane mogą pochodzić z pipeline DLOB (`dlob_*_latest`) i ticków (`drift_ticks`), które są już w DB i dostępne przez Hasurę / `trade-api`.
-
-**Da się bez żadnego RPC w naszej infra** (czyli “my nie łączymy się do RPC”):
- Częściowo tak, jeśli polegamy na zewnętrznym źródle L2/BBO (np. `https://dlob.drift.trade`) — ale to źródło i tak jest zasilane przez czyjeś RPC.
-
-### A) Position snapshot (pozycja: base, entry, side)
-
-**Bez własnego RPC**:
- Tak, jeśli mamy **jakikolwiek** komponent (executor/collector) korzystający z hosted RPC (Helius/QuickNode/itp.) i zapisujący snapshot pozycji do DB.
-
-**Bez żadnego RPC**:
- Praktycznie nie (pozycja jest stanem konta on‑chain). Wyjątek: jeśli Twój executor/bot sam utrzymuje lokalny stan i zapisuje go do DB — ale po restarcie i tak potrzebujesz reconcile z chaina (czyli RPC).
-
-### C) Account risk (margin/liquidation/health)
-
-**Bez własnego RPC**:
- Tak, jeśli collector liczy to na backendzie z danych Drift (przez hosted RPC) i zapisuje do TS (`contract_metrics_ts` / analogicznie).
-
-**Bez żadnego RPC**:
- Nie, bo margin/liq zależy od stanu konta i parametrów rynku on‑chain.
-
-### D) Fills / trades (realized PnL + fees + slippage)
-
-**Bez własnego RPC**:
- Tak, jeśli:
-  - executor składa zlecenia i loguje fille do `bot_events` (to już mamy jako koncept), albo
-  - collector subskrybuje eventy transakcji / kont przez hosted RPC i zapisuje fille do DB.
-
-**Bez żadnego RPC**:
- Tylko jeśli fille są już zapisane w DB (np. przez bota). Na bieżąco — ktoś musi je wyciągać z chaina.
-
-### E) Funding / payments
-
-**Bez własnego RPC**:
- Tak, ale ktoś musi pobierać funding rate / funding payment (hosted RPC lub inny feed) i zapisywać do DB.
-
-**Bez żadnego RPC**:
- Jak wyżej: tylko z historii zapisanej w DB; na żywo potrzebujesz źródła z chaina.
-
-### F) Order lifecycle costs (cancel/replace/tx)
-
-**Bez własnego RPC**:
- Tak, jeśli executor:
-  - loguje akcje (create/cancel/replace) i ich koszty (`tx_fee_usd`, priority fee) do `bot_events`, albo
-  - collector wyciąga metryki tx z RPC i mapuje do orderów.
-
-**Bez żadnego RPC**:
- Tylko retrospektywnie (jeśli już w DB).
-
---
-
-## Co to znaczy praktycznie dla architektury “backend liczy, UI tylko wyświetla”?
-
-UI/Visualizer **może działać bez bezpośredniego kontaktu z RPC** (łączy się do `trade-api` + Hasura).
-
-Natomiast backend “compute” (k3s) ma dwie opcje zasilania:
-
-1) **Hosted RPC** (na start)  
-   - pro: szybciej, taniej, mniej ops,
-   - con: limit subskrypcji/WS, możliwe rwania, vendor lock‑in.
-
-2) **Własny RPC + Geyser/Yellowstone** (docelowo)  
-   - pro: kontrola, stabilność na większej skali, streaming “pro”,
-   - con: koszt i ops (dyski/IO, tuning, monitoring).
-
-W obu przypadkach “backend liczy” działa tak samo — różni się tylko źródło surowych danych.
-
---
-
-## Co już mamy w DB “bez RPC w UI”
-
-Z obecnego pipeline (VPS/k3s) mamy “rynkowe” dane pod BBO/slippage:
- `dlob_l2_latest`, `dlob_stats_latest`, `dlob_slippage_latest`, `dlob_depth_bps_latest` (+ TS przez `*_ts`)
- `drift_ticks` (ticki/ceny)
-
-To wystarcza do:
- estymat wejścia/wyjścia (“close now”),
- wykresów spread/slippage/depth,
- części SIM (model slippage/fee) **bez** znajomości pełnego stanu konta.
-
-Do pełnego `contract_metrics_ts` (PnL + risk) brakuje nam jeszcze stałego feedu:
- pozycji konta + margin/liq,
- filli i funding (albo z chaina, albo z logów executora).
-
-## Zobacz też
-
- “Kanoniczna” architektura w pełni self-hosted (RPC + DLOB): `doc/rpc-dlob-kanoniczna-architektura.md`
- Runbook: bare metal RPC + Geyser/Yellowstone gRPC: `doc/solana-rpc-geyser-setup.md`
- Mapa dokumentów o RPC/DLOB/metrykach: `doc/solana-rpc.md`
--- a/doc/drift-perp-contract.md
+++ b/doc/drift-perp-contract.md
@@ -1,262 +0,0 @@
-# Drift PERP “kontrakt bota” (SOL-PERP) — spec intent → egzekucja → audyt
-
-Ten dokument definiuje **przyszłościowy** kontrakt między:
- **Vast (model/transformer na GPU)**: generuje *trade intent* (bez sekretów),
- **k3s/VPS (executor)**: waliduje ryzyko, wystawia i prowadzi zlecenia na Drift, loguje zdarzenia,
- **UI (visualizer)**: tylko wizualizuje warstwy i stan kontraktów (live + historia).
-
-Kluczowa zasada: **model nigdy nie ma kluczy** i nie “handluje”. Handluje tylko executor w k3s.
-
-Powiązane:
- Strategia “eskalacja horyzontu” (1m→5m→15m→30m→1h z bramkami): `doc/strategy-eskalacja-horyzontu.md`
-
---
-
-## 1) Co nazywamy “kontraktem” (u nas vs Drift)
-
-Na Drift istnieją:
- **orders** (zlecenia): limit/market/trigger, post-only, reduce-only, IOC/GTC itd.
- **position** (pozycja): rozmiar, kierunek, średnia cena, PnL itd.
- **konto/margin**: collateral i health.
-
-W naszym systemie **kontrakt bota** to byt aplikacyjny (DB + logika), który:
-1) opisuje *intent* (wejście + prowadzenie + wyjście),
-2) mapuje intent na 1..N orderów na Drift,
-3) jest **idempotentny** (nie dubluje orderów po restarcie),
-4) jest **modyfikowalny** (cancel+place / zmiana desired state),
-5) jest **kończony** (exit policy lub kill-switch),
-6) jest **audytowalny** (pełny log decyzji i akcji).
-
---
-
-## 2) Wybór “lepszy i przyszłościowy”
-
-### A) Cena jako offset, nie absolutna cena (recommended)
-
-Model zwraca cenę wejścia/wyjścia jako **offset** (ticks/bps) względem top-of-book / mid, a nie jako `limit_price`.
-
-Dlaczego:
- odporniejsze na latency (cena się przesuwa, offset pozostaje sensowny),
- łatwiejsze “reprice” (edit policy jest naturalna),
- mniejsze ryzyko “starej ceny” przy krótkim TTL.
-
-Executor i tak zna:
- `best_bid/best_ask/mid`,
- tick size i step size,
- aktualne gates (spread/slippage/depth/freshness).
-
-### B) Desired-state jako rdzeń (recommended)
-
-Kontrakt jest prowadzony jako **desired-state loop**:
- model/kontrakt mówi “co chcę mieć” (np. `target_exposure_usd`),
- executor porównuje “observed vs desired” i wykonuje minimalne akcje.
-
-To upraszcza:
- edycję (zmiana target, update policy),
- reconcile po restarcie,
- panic exit.
-
---
-
-## 3) Role: Vast vs executor (k3s)
-
-### Vast (model) zwraca
- kompletny **trade_intent**: parametry wejścia/prowadzenia/wyjścia,
- sugestie gates (np. spread/slippage/depth), **ale** nie może ich omijać,
- `confidence/urgency` (metadata).
-
-### Executor (k3s) jest “single source of execution”
- waliduje gates i limity,
- normalizuje do tick/step,
- nadaje idempotentne `client_order_id`,
- składa/canceluje/zamyka (reduce-only),
- prowadzi state machine,
- loguje eventy i mierzy koszty.
-
---
-
-## 4) Spec: `trade_intent` (Vast → k3s)
-
-Format jest wersjonowany: `intent_schema_version`.
-
-### 4.1 Minimalny szkielet
-
-```jsonc
-{
-  "intent_schema_version": 1,
-  "decision_id": "ulid-or-uuid",
-  "bot_id": "bot-sol-perp-01",
-  "ts": "2026-01-31T00:00:00.000Z",
-  "ttl_ms": 15000,
-
-  "market_name": "SOL-PERP",
-  "subaccount_id": 0,
-
-  "mode": "enter|manage|exit|panic",
-  "confidence": 0.0,
-  "urgency": 0.0,
-
-  "desired": {
-    "target_exposure_usd": 0,
-    "max_position_usd": 200,
-    "min_trade_usd": 5
-  },
-
-  "entry": {
-    "side": "long|short",
-    "order_type": "post_only_limit|limit|market",
-    "size_usd": 25,
-    "limit_offset": { "ref": "best_bid|best_ask|mid", "ticks": 1 },
-    "time_in_force": "GTC|IOC",
-    "cancel_if_not_filled_ms": 8000
-  },
-
-  "manage": {
-    "reprice_after_ms": 750,
-    "reprice_offset_ticks": 1,
-    "max_reprices_per_min": 30,
-    "cooldown_ms": 250
-  },
-
-  "exit": {
-    "max_hold_s": 180,
-    "stop_loss_bps": 25,
-    "take_profit_bps": 35,
-    "exit_order_type": "reduce_only_limit|reduce_only_market",
-    "exit_limit_offset": { "ref": "best_bid|best_ask|mid", "ticks": 1 }
-  },
-
-  "gates": {
-    "freshness_max_ms": 1500,
-    "max_spread_bps": 10,
-    "max_slippage_bps": 25,
-    "min_depth_topn_usd": 5000,
-    "min_depth_band": { "band_bps": 20, "min_usd": 8000 }
-  }
-}
-```
-
-### 4.2 Zasady interpretacji
-
- `ttl_ms`: po tym czasie executor ma prawo *zignorować* intent (stary sygnał).
- `mode`:
-  - `enter`: wolno otwierać/rozszerzać pozycję,
-  - `manage`: tylko zarządzanie już istniejącą pozycją/ordreami (bez zwiększania ryzyka),
-  - `exit`: przejście do `target_exposure_usd=0` i zamykanie,
-  - `panic`: natychmiast cancel + close (reduce-only), potem `off`.
- `desired.target_exposure_usd` jest źródłem prawdy, ale executor ma **hard cap** `max_position_usd` (model może sugerować, executor egzekwuje).
- `limit_offset`:
-  - `ref=best_bid` dla wejścia long (maker),
-  - `ref=best_ask` dla wejścia short,
-  - ticks/bps są zaokrąglane do tick size rynku.
-
---
-
-## 5) Mapowanie `trade_intent` → Drift order params (PERP)
-
-Executor buduje “order template” (pseudopola):
-
- `marketIndex` (wynik mapowania `market_name`)
- `direction`: `long|short`
- `orderType`: `market|limit` (+ `trigger*` jeśli później dodamy SL/TP jako ordery trigger)
- `baseAssetAmount` (z `size_usd` przeliczone do base i zaokrąglone do `baseStepSize`)
- `price` (dla limit): z `limit_offset` + aktualne top-of-book, zaokrąglone do `priceTickSize`
- `postOnly`: true, jeśli `order_type=post_only_limit`
- `reduceOnly`: true na wyjściu (`exit_order_type=reduce_only_*`)
- `immediateOrCancel`: true, jeśli `time_in_force=IOC`
- `clientOrderId` / `userOrderId`: deterministycznie z `decision_id` (patrz niżej)
-
-### 5.1 Idempotencja: `client_order_id`
-
-Wymaganie: po restarcie executora nie może dojść do “double order”.
-
-Zasada:
- każde wejście/wyjście ma stabilne `client_order_id` wywiedzione z `decision_id`,
- jeśli Drift nie wspiera pełnego “modify”, executor robi `cancel + place` ale zachowuje spójne ID (np. `decision_id` + suffix `-r1`, `-r2` dla reprices).
-
---
-
-## 6) State machine kontraktu (minimal)
-
-Rekomendowane stany:
- `off` (nie handluje)
- `pending_entry` (intent zaakceptowany, order wysłany)
- `entered` (pozycja ≠ 0 lub entry fill)
- `managing` (utrzymuje desired state / repricing)
- `exiting` (reduce-only close w toku)
- `closed` (pozycja 0, brak orderów)
- `rejected` (gates fail / TTL expired)
- `panic` (cancel+close; potem `off`)
-
-Każda zmiana stanu = event do DB.
-
---
-
-## 7) Co UI wizualizuje (warstwy) a co liczy backend
-
-UI nie liczy. UI:
- subskrybuje `*_latest` (live),
- pobiera `*_ts` (historia),
- renderuje warstwy i kontrakty.
-
-Backend liczy:
- DLOB: `dlob_*_latest` + (docelowo) `dlob_*_ts`
- ticks/candles: `drift_ticks` + `get_drift_candles(...)`
- kontrakty: `bot_intents` / `bot_contracts` / `bot_events` (+ TS wersje)
-
---
-
-## 8) Metryki do strojenia (co mierzyć i jakie okna czasowe)
-
-Cel: stroić gates, politykę repricing i parametry exit.
-
-### 8.1 Mikrostruktura (gates) — z czego stroimy progi
-Źródła: `dlob_stats_*`, `dlob_depth_*`, `dlob_slippage_*`.
-
-Mierz (per market, live + TS):
- `spread_bps`
- `impact_bps` dla docelowych `size_usd` (buy/sell)
- `depth_bid_usd`, `depth_ask_usd` (top‑N)
- depth w bandach (`band_bps`): `bid_usd/ask_usd`
- `freshness_ms` (now - updated_at)
-
-Okno strojenia:
- start: **7 dni** TS (wystarczy do percentyli i pór doby),
- docelowo: 30+ dni (downsample 1m/5m) dla stabilniejszych reżimów.
-
-Jak stroić:
- progi na percentylach (P90/P95), nie na średniej,
- osobne percentyle per “godzina doby” (płynność) i per “vol regime”.
-
-### 8.2 Jakość egzekucji (czy entry/manage działa)
-Źródła: `bot_events` (audyt) + snapshoty z momentu decyzji.
-
-Mierz per kontrakt:
- `time_to_first_fill_ms`, `time_to_full_fill_ms`
- `fill_pct`, `avg_fill_price`
- `reprice_count`, `cancel_count`
- `expected_execution_bps` (z DLOB w chwili decyzji) vs `realized_execution_bps`
- “churn cost”: `tx_count` i (jeśli liczymy) `priority_fee` sumarycznie
-
-Okno strojenia:
- 24h (szybki smoke po deployu),
- 7 dni (tuning),
- 30 dni (stabilizacja).
-
-### 8.3 Wynik i ryzyko (czy strategia ma edge)
-Mierz:
- `hold_time_s`
- reason exit: `tp|sl|time|regime|panic`
- MAE/MFE w bps w trakcie hold
- PnL (jeśli macie komplet danych) albo proxy w bps
-
-Okno:
- 7 dni minimalnie, ale sensowniej 30+ dni (reżimy).
-
---
-
-## 9) Następny krok implementacyjny (po akceptacji)
-
-1) Dodać tabele TS dla warstw (min. 7 dni retencji).
-2) Dodać tabele i logi kontraktów (`bot_contracts`, `bot_events`, opcjonalnie `bot_intents_ts`).
-3) Dodać “executor” (observe → dry-run → live) oraz integrację Vast.
--- a/doc/k3s-runtime-map.md
+++ b/doc/k3s-runtime-map.md
@@ -1,165 +0,0 @@
-# k3s runtime map (VPS `qstack`) — co działa i po co
-
-Ten dokument opisuje **aktualny runtime na VPS** (k3s) dla projektu `trade`: jakie komponenty działają w klastrze, jak płynie dane oraz które tabele/metrki są “źródłem prawdy” dla UI.
-
-Zakładamy namespace: `trade-staging`.
-
-## TL;DR (logika)
-
- **Dane są zbierane i liczone na backendzie** (k3s).
- UI (`trade-frontend`) **tylko wizualizuje** i proxy’uje ruch (API + GraphQL + WS).
- Hasura to **jedyny GraphQL/WS** na “metrics/live” (subscriptions).
- Postgres/Timescale trzyma:
-  - ticki (`drift_ticks`) + candles (funkcja `get_drift_candles`)
-  - “latest” warstw DLOB (`dlob_*_latest`)
-  - (opcjonalnie) historię warstw (`dlob_*_ts`)
-
-## Mapa (ruch z zewnątrz)
-
-```
-Internet
-  |
-  v
-Ingress/Traefik
-  |
-  +--> trade-frontend   (https://trade.mpabi.pl)
-  |       - /api        -> trade-api
-  |       - /graphql    -> hasura
-  |       - /graphql-ws -> hasura (WS subscriptions; protokół graphql-ws)
-  |
-  +--> (opcjonalnie inne ingressy w tym samym klastrze)
-```
-
-### `trade-frontend` (UI + reverse-proxy)
-
- **Rola:** UI + proxy do usług w klastrze.
- **Dlaczego:** przeglądarka nie dostaje sekretów; token read jest wstrzykiwany server‑side, a WS działa przez proxy.
- **Wejście:** HTTP/WS od użytkownika.
- **Wyjście:**
-  - `/api/*` → `trade-api`
-  - `/graphql` (HTTP) → `hasura`
-  - `/graphql-ws` (WS) → `hasura`
-
-## Mapa (dane rynkowe — ticki / candles)
-
-```
-Solana RPC/WS (zewn.)
-  |
-  v
-trade-ingestor
-  |
-  v
-trade-api  -> Postgres/Timescale (drift_ticks)
-  |
-  +--> /v1/chart (candles + wskaźniki liczone na backendzie)
-  |
-  v
-Hasura (GraphQL query/subscriptions dla wybranych tabel)
-```
-
-### `trade-ingestor`
-
- **Rola:** pobiera dane (oracle/mark) i wysyła ticki do API.
- **Wyjście:** ticki zapisane do `drift_ticks` przez `trade-api`.
-
-### `trade-api`
-
- **Rola:** API dla UI i algów (healthz, ticks, chart).
- **DB:** zapis do `drift_ticks`.
- **Agregacje:** candles (`get_drift_candles`) + wskaźniki (backend).
-
-## Mapa (DLOB — orderbook + metryki warstw)
-
-```
-Solana RPC/WS (zewn.)
-  |
-  v
-dlob-publisher  ---->  dlob-redis  <----  dlob-server (/l2, /l3)
-                                \
-                                 \ (opcjonalne źródło L2)
-                                  v
-                            dlob-worker (kolektor L2)
-                                  |
-                                  v
-                         Postgres/Hasura: dlob_l2_latest + dlob_stats_latest
-                                  |
-                     +------------+------------+
-                     |                         |
-                     v                         v
-          dlob-depth-worker            dlob-slippage-worker
-          (bands ±bps)                (impact vs size USD)
-                     |                         |
-                     v                         v
-   Postgres/Hasura: dlob_depth_bps_latest   Postgres/Hasura: dlob_slippage_latest
-                     |
-                     v
-             (opcjonalnie) dlob-ts-archiver
-                     |
-                     v
-   Postgres/Timescale: dlob_stats_ts / dlob_depth_bps_ts / dlob_slippage_ts
-```
-
-### `dlob-publisher`
-
- **Rola:** utrzymuje “żywy” DLOB (on‑chain) i publikuje snapshoty do Redis.
- **Wejście:** Solana RPC/WS.
- **Wyjście:** publikacja do `dlob-redis`.
-
-### `dlob-redis`
-
- **Rola:** cache/pubsub pomiędzy publisherem i serwerem HTTP.
-
-### `dlob-server`
-
- **Rola:** serwuje REST `/l2` i `/l3` na podstawie cache Redis (do debugowania i/lub jako źródło L2).
-
-### `dlob-worker` (kolektor L2 + “basic stats”)
-
- **Rola:** pobiera snapshoty L2 i liczy podstawowe metryki (`dlob_stats_latest`).
- **Źródło L2:** w praktyce:
-  - albo zewnętrzne `https://dlob.drift.trade/l2`
-  - albo wewnętrzne `http://dlob-server:6969/l2` (jeśli tak ustawione)
- **Zapis do tabel:**
-  - `dlob_l2_latest` (raw L2)
-  - `dlob_stats_latest` (bid/ask/mid/spread/depth/imbalance)
-
-### `dlob-depth-worker` (depth bands ±bps)
-
- **Rola:** liczy płynność w pasmach ±bps wokół mid.
- **Źródło:** `dlob_l2_latest`
- **Zapis:** `dlob_depth_bps_latest` (klucz: `market_name + band_bps`)
-
-### `dlob-slippage-worker` (slippage vs size)
-
- **Rola:** symuluje market fill po L2 dla zadanych rozmiarów (USD) i liczy `impact_bps`.
- **Źródło:** `dlob_l2_latest`
- **Zapis:** `dlob_slippage_latest` (klucz: `market_name + side + size_usd`)
-
-### `dlob-ts-archiver` (historia warstw)
-
- **Rola:** zapisuje “timeline” dla warstw do hypertabli Timescale (historia pod UI).
- **Źródło:** `dlob_stats_latest`, `dlob_depth_bps_latest`, `dlob_slippage_latest`
- **Zapis:** `dlob_stats_ts`, `dlob_depth_bps_ts`, `dlob_slippage_ts`
- **Retencja (startowo):** ~7 dni (policy w Timescale).
-
-## Co UI realnie czyta (dla “nowych funkcji”)
-
- live/subscriptions:
-  - `dlob_stats_latest`
-  - `dlob_depth_bps_latest`
-  - `dlob_slippage_latest`
- (jeśli dołączymy w UI wykres “historia”):
-  - `dlob_stats_ts`
-  - `dlob_depth_bps_ts`
-  - `dlob_slippage_ts`
-
-## Najczęstsze miejsca problemów (diagnostyka)
-
- Jeśli UI nie pokazuje warstw:
-  - sprawdź czy Hasura trackuje tabele i ma `public select` (bootstrap job),
-  - sprawdź, czy workery odświeżają `updated_at` w `dlob_*_latest`.
- Jeśli `dlob-worker` loguje 503:
-  - to zwykle problem na ścieżce `DLOB_HTTP_URL` (upstream/LB/IPv6) — wtedy przełącz na `http://dlob-server:6969`.
- Jeśli WS subscriptions nie łączą:
-  - sprawdź proxy `/graphql-ws` w `trade-frontend` i origin/CORS w Hasurze.
-
--- a/doc/rpc-dlob-kanoniczna-architektura.md
+++ b/doc/rpc-dlob-kanoniczna-architektura.md
@@ -1,115 +0,0 @@
-# Kanoniczna architektura Drift: własny Solana RPC + własny DLOB
-
-Poniżej jest krótka i konkretna notatka: **co da się wyciągnąć z własnego Solana RPC** oraz **po co jest własny DLOB** w kontekście Drift (perp) i metryk pod trading/SIM.
-
-## 1) Własny Solana RPC — co z niego wyciągniesz
-
-Z **własnego RPC** (full node, a do backfillu najlepiej archival) możesz pobrać **wszystkie dane kontowe i ryzyko**.
-
-### Dane pozycji i konta (RPC)
-
- pozycja (long/short, size, entry)
- unrealized PnL
- realized PnL (z konta użytkownika / fills)
- margin, free collateral
- liquidation price
- health / margin ratio
- funding (naliczony + historyczny)
-
-Źródło: **konta programu Drift** (User, PerpMarket, SpotMarket). Technicznie: subskrypcje kont + (jeśli potrzebne) `getProgramAccounts`.
-
-### Fills / transakcje / fees (RPC)
-
- fill price
- fee (maker/taker)
- reduce / add
- tx fee + priority fee
-
-Źródła:
- logi transakcji,
- eventy Drift,
- historia transakcji walleta.
-
-Uwaga: backfill 7d+ jest ciężki bez archival RPC, ale nadal wykonalny (koszt/IO/limity).
-
-### Ceny (RPC)
-
- oracle price
- mark price (ze stanu rynku)
-
-W praktyce wystarczy RPC + subskrypcje kont.
-
-## 2) Własny DLOB — po co i co daje
-
-**DLOB jest off-chain**, ale jest budowany z **on-chain zleceń limit**.
-
-Co daje DLOB (i to jest kluczowe do “close now” i slippage):
- best bid / best ask (BBO)
- mid price
- spread
- realistyczny slippage
- sensowne “close now cost” (na podstawie top-of-book / L2)
-
-Bez DLOB zwykle zostaje heurystyka na mark/oracle + założony spread/slippage.
-
-### Jak to zrobić praktycznie
-
-Najprostsza opcja to uruchomienie serwisu DLOB (publisher/server) z Drift SDK, który:
- subskrybuje RPC/WS,
- buduje orderbook,
- wystawia API (BBO/depth itp.),
- a worker liczy metryki (spread/depth/slippage) i zapisuje je do DB.
-
-W tym repo mamy opis aktualnego pipeline DLOB w `doc/dlob-services.md` oraz plan “RPC + Geyser/Yellowstone” w `doc/solana-rpc-geyser-setup.md`.
-
-## 3) Mapowanie: metryki → źródło danych
-
-| Metryka | RPC | DLOB |
-| --- | --- | --- |
-| unrealized PnL | ✅ | ❌ |
-| realized / net PnL | ✅ | ❌ |
-| fees / funding / tx | ✅ | ❌ |
-| margin / liq / health | ✅ | ❌ |
-| time in trade | ✅ | ❌ |
-| best bid / ask | ❌ | ✅ |
-| spread / mid | ❌ | ✅ |
-| close now cost | ⚠️ heurystyka | ✅ |
-| expected slippage | ⚠️ | ✅ |
-
-## 4) 100% self-hosted (bez vendor lock‑in)
-
-Da się zrobić w pełni self-hosted (bez Heliusa/cudzych API).
-
-Prosty diagram:
-
-```
-[ Solana RPC (+ WS) ]
-        ↓
-[ Drift SDK / subscriptions ]
-        ↓
-[ DLOB (publisher/server) ]
-        ↓
-[ Worker (metrics TS) ]
-        ↓
-[ API / Monitor / SIM ]
-        ↓
-[ UI (tylko rysuje) ]
-```
-
-## 5) Jedyny realny haczyk (operacyjnie)
-
- `getProgramAccounts` + websockety wymagają solidnego RPC.
- Tanie/limtowane RPC często:
-  - blokują/limitują GPA,
-  - ucinają payload,
-  - dropią WS.
-
-Własny RPC = stabilność i przewidywalność na większej skali.
-
-## 6) TL;DR
-
- Tak: wyciągniesz wszystko z własnego RPC + własnego DLOB.
- RPC = pozycja, PnL, ryzyko, funding.
- DLOB = bid/ask, spread, slippage, close-now.
- To pasuje idealnie pod scalping + SIM (backend liczy, UI tylko wyświetla).
-
--- a/doc/rpc/topol.html
+++ b/doc/rpc/topol.html
@@ -1,211 +0,0 @@
-<!doctype html>
-<html lang="en">
-<head>
-  <meta charset="utf-8" />
-  <meta name="viewport" content="width=device-width, initial-scale=1" />
-  <title>Professional Drift Trading Stack (Own Solana RPC + Own DLOB)</title>
-  <style>
-    :root { color-scheme: light dark; }
-    body {
-      font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
-      line-height: 1.5;
-      margin: 0;
-      padding: 32px 20px;
-      max-width: 980px;
-      margin-inline: auto;
-    }
-    header { margin-bottom: 24px; }
-    h1 { font-size: 1.6rem; margin: 0 0 8px; }
-    .subtitle { opacity: 0.85; margin: 0; }
-    .card {
-      border: 1px solid rgba(127,127,127,0.35);
-      border-radius: 14px;
-      padding: 18px 18px;
-      margin: 14px 0;
-      background: rgba(127,127,127,0.05);
-    }
-    h2 { font-size: 1.2rem; margin: 0 0 10px; }
-    h3 { font-size: 1.05rem; margin: 14px 0 8px; }
-    ul { margin: 8px 0 0 18px; }
-    li { margin: 6px 0; }
-    code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
-    .note {
-      border-left: 4px solid rgba(127,127,127,0.55);
-      padding: 10px 12px;
-      margin: 10px 0 0;
-      background: rgba(127,127,127,0.07);
-      border-radius: 10px;
-    }
-    .pill {
-      display: inline-block;
-      padding: 2px 10px;
-      border: 1px solid rgba(127,127,127,0.35);
-      border-radius: 999px;
-      font-size: 0.85rem;
-      opacity: 0.9;
-    }
-  </style>
-</head>
-
-<body>
-  <header>
-    <h1>Professional Drift Trading Stack</h1>
-    <p class="subtitle">
-      Own Solana RPC + Own Drift DLOB (Orderbook). Main rule:
-      <strong>keep the RPC box lean</strong>, put “trading services” on your second VPS.
-      <span class="pill">Target: min 10 markets</span>
-    </p>
-  </header>
-
-  <section class="card">
-    <h2>Overview</h2>
-    <p>
-      Yes — you can build a professional Drift trading stack with your own Solana RPC + your own DLOB,
-      but you’ll want a few supporting services around them. The main rule:
-      keep the RPC box lean, put “trading services” on your second VPS.
-    </p>
-  </section>
-
-  <section class="card">
-    <h2>On the Solana RPC server (dedicated) — keep it lean</h2>
-
-    <h3>Must-have</h3>
-    <ul>
-      <li>
-        <strong>Solana validator/RPC node</strong><br />
-        The base RPC your whole stack reads from / sends transactions through.
-      </li>
-      <li>
-        <strong>WireGuard</strong><br />
-        So RPC is reachable only privately (your second VPS + your admin).
-      </li>
-      <li>
-        <strong>Firewall (nftables/ufw)</strong><br />
-        Block RPC ports on public NIC; allow them only on WireGuard.
-      </li>
-      <li>
-        <strong>Time sync (chrony)</strong><br />
-        For stable networking, logs, and trading timestamps.
-      </li>
-      <li>
-        <strong>Monitoring exporters</strong>
-        <ul>
-          <li><strong>node_exporter</strong> (CPU/RAM/disk/iowait/network)</li>
-          <li><strong>solana-exporter</strong> (RPC/validator health via RPC)</li>
-        </ul>
-      </li>
-      <li>
-        <strong>Log + disk hygiene</strong>
-        <ul>
-          <li>logrotate/journald limits</li>
-          <li>NVMe health (smartmontools/nvme-cli)</li>
-          <li>alerts on disk filling / iowait</li>
-        </ul>
-      </li>
-    </ul>
-
-    <h3>Optional but “pro”</h3>
-    <ul>
-      <li>
-        <strong>Geyser streaming (Yellowstone gRPC plugin)</strong><br />
-        This gives ultra-low-latency streams of accounts/tx/slots compared to polling RPC.
-        Useful if you build your own real-time analytics pipeline.
-        <div class="note">
-          For Drift specifically, you can run without Geyser at the beginning,
-          but it’s the next step when you want “faster-than-RPC” feeds.
-        </div>
-      </li>
-    </ul>
-  </section>
-
-  <section class="card">
-    <h2>On the second VPS (your trading / app box) — where “pro trading” lives</h2>
-
-    <h3>Must-have</h3>
-    <ul>
-      <li>
-        <strong>Drift DLOB server (self-hosted)</strong><br />
-        This maintains the Drift decentralized orderbook view “fresh off your RPC” and exposes
-        REST + WS + gRPC/polling, plus health/metrics.
-      </li>
-      <li>
-        <strong>(Optional but common) Drift Gateway</strong><br />
-        A self-hosted API gateway to interact with Drift; handy for standardized API endpoints
-        around trading / market info.
-      </li>
-      <li>
-        <strong>Cache (Redis)</strong><br />
-        Cache top-of-book, funding, oracle snapshots, risk checks; protects your DLOB + RPC
-        from bursty bot load.
-      </li>
-      <li>
-        <strong>Metrics + dashboards</strong><br />
-        Prometheus + Grafana + Alertmanager
-        <div class="note">
-          Keep Grafana off the validator box; common ops guidance is to separate monitoring UI for safety.
-        </div>
-      </li>
-      <li>
-        <strong>Your trading services</strong>
-        <ul>
-          <li>strategy engine(s)</li>
-          <li>execution service (transaction builder/sender)</li>
-          <li>risk service (position limits, kill-switch, circuit breakers)</li>
-        </ul>
-      </li>
-    </ul>
-
-    <h3>Optional, depending on how “institutional” you want</h3>
-    <ul>
-      <li>
-        <strong>Database (Postgres/Timescale)</strong><br />
-        Persist fills, order events, PnL series, backtesting datasets.
-      </li>
-      <li>
-        <strong>Message bus (NATS/Kafka/Redis Streams)</strong><br />
-        Decouple ingestion (orderbook/events) from strategies/execution.
-      </li>
-    </ul>
-  </section>
-
-  <section class="card">
-    <h2>Cost model (since you asked “cost per request”)</h2>
-    <p>
-      With your own RPC, there is no per-request billing. The “cost” is:
-    </p>
-    <ul>
-      <li>fixed monthly servers (your €149/m + the second VPS),</li>
-      <li>and capacity (CPU/RAM/NVMe/bandwidth) consumed by:
-        <ul>
-          <li>DLOB syncing from RPC,</li>
-          <li>number of WS subscriptions,</li>
-          <li>how many markets you track.</li>
-        </ul>
-      </li>
-    </ul>
-    <p class="note">
-      DLOB exists specifically to reduce RPC load by serving orderbook/trade views to clients
-      instead of every client rebuilding it from chain.
-    </p>
-  </section>
-
-  <section class="card">
-    <h2>Minimal “pro” starting set (recommended)</h2>
-    <ul>
-      <li><strong>RPC box:</strong> Solana RPC + WireGuard + firewall + node_exporter + solana-exporter</li>
-      <li><strong>App VPS:</strong> DLOB server + Redis + Prometheus/Grafana + your bot services</li>
-    </ul>
-    <p class="note">
-      For <strong>min 10 markets</strong>, expect the first scaling pressure to come from
-      continuous streaming + decoding + caching (DLOB + Redis + your strategy/execution),
-      and from your RPC’s WS load. Next step after the minimal set is usually:
-      better streaming (Geyser) or more RAM/NVMe depending on bottleneck.
-    </p>
-  </section>
-
-  <footer style="opacity:.75; margin-top: 22px;">
-    <small>Saved as HTML — you can paste this into a file like <code>drift-stack.html</code>.</small>
-  </footer>
-</body>
-</html>
-
--- a/doc/solana-rpc-geyser-setup.md
+++ b/doc/solana-rpc-geyser-setup.md
@@ -1,284 +0,0 @@
-# Bare metal: Solana RPC (non‑voting) + Geyser/“Yellowstone” gRPC (Ubuntu 24.04)
-
-Cel: postawić **jedną maszynę** jako **źródło danych on‑chain**:
- Solana `validator` w trybie **non‑voting** z **RPC + WS** (tylko prywatnie),
- **Geyser gRPC** (“Yellowstone”) jako stabilny, skalowalny feed account/tx/slot,
- serwisy tradingowe (DLOB/boty/DB/UI) działają **osobno** na VPS/k3s.
-
-Ten dokument jest runbookiem. Nie zawiera sekretów.
-
---
-
-## Powiązane dokumenty (DLOB + metryki + koszty)
-
-Żeby spiąć “RPC/Geyser → dane → metryki → UI”, zobacz też:
-
- Mapa dokumentów o RPC/DLOB/metrykach: `doc/solana-rpc.md`
- DLOB (co działa w k3s, jakie tabele, skąd dane): `doc/dlob-services.md`
- DLOB basics (L1/L2/L3, pojęcia): `doc/dlob-basics.md`
- Ingest ticków / candles / źródła danych: `doc/workflow-api-ingest.md`
- Readiness do live tradingu (w tym plan pod własny RPC + streaming): `doc/trading-readiness.md`
- Czy da się bez własnego RPC / bez RPC w ogóle (mapowanie źródeł danych): `doc/drift-data-bez-solana-rpc.md`
- Kanoniczna architektura “własny RPC + własny DLOB” (co skąd bierzemy): `doc/rpc-dlob-kanoniczna-architektura.md`
- Koszty kontraktu: API compute/monitor (backend liczy, UI tylko rysuje): `doc/contract-cost-api.md`
- Kanoniczny payload eventów bota pod koszty/PnL (żeby agregacje działały): `doc/bot-events-cost-payload.md`
-
-## 0) Założenia
-
- OS: **Ubuntu 24.04**
- Sprzęt: **Ryzen 9 9950X, 192GB RAM, 2× Gen5 NVMe, 1Gbps**
- Rola: **RPC node bez voting** (brak vote account)
- Prywatny dostęp: **WireGuard** między bare metal a k3s/VPS
-
---
-
-## 1) Dlaczego RPC+WS i gRPC jednocześnie
-
- **RPC/WS** (HTTP + WebSocket) zostaje jako:
-  - wysyłka transakcji (place/cancel/close),
-  - odczyty ad‑hoc i fallback.
- **Geyser/Yellowstone gRPC** jest preferowany jako:
-  - stabilny stream updates (account/slot/tx) dla DLOB/indexerów,
-  - mniejsze “rwanie” niż WS przy większej skali.
-
-W praktyce: data plane = gRPC, execution plane = RPC.
-
---
-
-## 2) Podział dysków (must‑have)
-
-Rekomendacja (żeby uniknąć I/O contention):
- NVMe #1: ledger / accounts
-  - mount: `/solana/ledger`
- NVMe #2: snapshots / logs / plugin state
-  - mount: `/solana/snapshots`
-  - ewentualnie: `/var/lib/yellowstone`
-
---
-
-## 3) Porty (proponowane)
-
-Publicznie:
- `22/tcp` (SSH) – tylko z Twoich IP (allowlist)
-
-Tylko po WireGuard (private):
- `8899/tcp` RPC HTTP
- `8900/tcp` RPC WS
- `10000/tcp` Geyser gRPC (Yellowstone)
-
-Uwaga: dokładne porty Solany (gossip/TPU) są inne i zależą od flag; one zwykle muszą być publicznie osiągalne do sieci Solany, ale **RPC ma być private**.
-
---
-
-## 4) WireGuard (skeleton)
-
-Założenie: bare metal = `wg0 = 10.8.0.1`, k3s/VPS = `wg0 = 10.8.0.2`.
-
-### 4.1 Bare metal: `/etc/wireguard/wg0.conf`
-
-```ini
-[Interface]
-Address = 10.8.0.1/24
-ListenPort = 51820
-PrivateKey = <BARE_METAL_PRIVATE_KEY>
-
-# opcjonalnie: NAT dla ruchu wychodzącego
-# PostUp = iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
-# PostDown = iptables -t nat -D POSTROUTING -o eth0 -j MASQUERADE
-
-[Peer]
-PublicKey = <K3S_PUBLIC_KEY>
-AllowedIPs = 10.8.0.2/32
-```
-
-### 4.2 VPS/k3s: `/etc/wireguard/wg0.conf`
-
-```ini
-[Interface]
-Address = 10.8.0.2/24
-PrivateKey = <K3S_PRIVATE_KEY>
-
-[Peer]
-PublicKey = <BARE_METAL_PUBLIC_KEY>
-Endpoint = <BARE_METAL_PUBLIC_IP>:51820
-AllowedIPs = 10.8.0.1/32
-PersistentKeepalive = 25
-```
-
-Start:
-
-```bash
-sudo systemctl enable --now wg-quick@wg0
-```
-
-Test:
-
-```bash
-ping -c 2 10.8.0.1
-```
-
---
-
-## 5) Firewall: zasada “RPC i gRPC tylko private”
-
-Wariant z `ufw` (przykład, dopasuj do swojego środowiska):
-
-```bash
-sudo ufw default deny incoming
-sudo ufw default allow outgoing
-
-# SSH – najlepiej allowlist Twoje IP
-sudo ufw allow 22/tcp
-
-# WireGuard
-sudo ufw allow 51820/udp
-
-# RPC/WS/gRPC tylko na interfejsie wg0 (ufw ma ograniczone wsparcie; alternatywnie nftables)
-# Minimalnie: nie otwieraj 8899/8900/10000 na publicznym NIC.
-
-sudo ufw enable
-sudo ufw status verbose
-```
-
---
-
-## 6) Instalacja i uruchomienie Solany (non‑voting)
-
-### 6.1 Zasada bezpieczeństwa
- identity key i konfiguracja tylko na serwerze,
- nie commituj tego do gita,
- RPC ma być “private RPC”.
-
-### 6.2 Flagi mogą się zmieniać
-Solana bywa zmienna w detalach CLI. Zawsze weryfikuj:
-
-```bash
-solana-validator --help | less
-```
-
-### 6.3 Minimalny szkic uruchomienia (do uzupełnienia)
-
-Poniżej jest “kształt” – nie traktuj jako jedyny prawdziwy set flag:
-
-```bash
-solana-validator \
-  --identity /etc/solana/identity.json \
-  --ledger /solana/ledger \
-  --snapshots /solana/snapshots \
-  --rpc-port 8899 \
-  --rpc-bind-address 10.8.0.1 \
-  --private-rpc \
-  --ws-port 8900 \
-  --dynamic-port-range 8000-8020 \
-  --no-voting \
-  --entrypoint <ENTRYPOINT_1> \
-  --entrypoint <ENTRYPOINT_2> \
-  --entrypoint <ENTRYPOINT_3> \
-  --expected-genesis-hash <GENESIS_HASH> \
-  --wal-recovery-mode skip_any_corrupted_record
-```
-
-Uwagi:
- `--rpc-bind-address` ustaw na IP WireGuard (private).
- `--no-voting` = non‑voting.
- `--dynamic-port-range` i reszta portów zależą od Twojej polityki sieciowej.
-
-### 6.4 systemd (skeleton)
-
-Plik: `/etc/systemd/system/solana-validator.service`
-
-```ini
-[Unit]
-Description=Solana Validator (non-voting, private RPC)
-After=network-online.target wg-quick@wg0.service
-Wants=network-online.target
-
-[Service]
-User=solana
-Group=solana
-LimitNOFILE=1048576
-ExecStart=/usr/local/bin/solana-validator <ARGS...>
-Restart=always
-RestartSec=3
-TimeoutStopSec=120
-
-[Install]
-WantedBy=multi-user.target
-```
-
---
-
-## 7) Geyser / “Yellowstone” gRPC
-
-### 7.1 Co to jest
-Geyser to plugin, który “wypycha” stream danych z runtime’u walidatora.
-Yellowstone gRPC to popularny stack, który wystawia ten stream przez gRPC.
-
-### 7.2 Model wdrożenia (recommended)
- plugin jest skonfigurowany przy starcie `solana-validator` (`--geyser-plugin-config <path>`),
- gRPC endpoint nasłuchuje na `10.8.0.1:10000` (private),
- klienci (k3s) subskrybują gRPC.
-
-### 7.3 Konfiguracja pluginu (placeholder)
-Dokładny format config zależy od wybranego pluginu/wersji.
-Trzymaj config jako plik na serwerze, np. `/etc/solana/geyser-grpc.json`.
-
-Wymagania, które chcemy mieć niezależnie od implementacji:
- bind na interfejsie WireGuard (`10.8.0.1`),
- opcjonalny auth/token dla klientów,
- limit/allowlist klientów,
- logi do journald + limitowanie.
-
-Test (z VPS/k3s po WireGuard):
- port open: `nc -vz 10.8.0.1 10000` (albo `grpcurl` jeśli masz),
- stream slotów/health (zależy od klienta).
-
---
-
-## 8) Integracja z naszym stackiem `trade`
-
-### 8.1 Co zmieniamy w k3s
-
-Aktualizujemy secreta z endpointami RPC/WS dla `dlob-publisher` i executora:
- `ENDPOINT=http://10.8.0.1:8899`
- `WS_ENDPOINT=ws://10.8.0.1:8900`
-
-Docelowo dodamy również:
- `GEYSER_GRPC_URL=http://10.8.0.1:10000` (lub `grpc://...`) do collectorów.
-
-### 8.2 Fallback
-Zostawiamy fallback RPC endpoint (np. publiczny provider) dla:
- awarii bare-metala,
- bootstrapu,
- sanity check.
-
-Executor ma zawsze mieć tryb degradacji:
- Vast down → `observe/off`,
- feed down → `panic` lub `off` zależnie od ryzyka.
-
---
-
-## 9) Operacje i monitoring (must‑have)
-
-Mierz/alertuj:
- slot lag / “behind”,
- iowait + saturacja NVMe,
- disk fill (`ledger` rośnie),
- restart loop serwisów,
- liczba klientów gRPC / błędy streamu,
- RPC latencja / error rate.
-
-Minimalne narzędzia:
- `node_exporter` + Prometheus/Grafana,
- logrotate/journald limity,
- `smartctl`/`nvme smart-log` dla NVMe.
-
---
-
-## 10) Gotowość do startu (checklista)
-
- [ ] WireGuard działa (ping wg IP).
- [ ] RPC/WS/gRPC są dostępne tylko po WG.
- [ ] `solana-validator` trzyma sync, nie robi OOM, I/O stabilne.
- [ ] Geyser gRPC stream stabilny (brak częstych reconnect).
- [ ] `dlob-publisher` działa na nowych endpointach bez “No ws data … resubscribing”.
--- a/doc/solana-rpc.md
+++ b/doc/solana-rpc.md
@@ -1,20 +0,0 @@
-# Solana RPC w tym projekcie (mapa dokumentów)
-
-Ten plik jest “spisem treści” do dokumentów o **Solana RPC/WS**, **Geyser/Yellowstone gRPC** oraz tego, jak te źródła danych zasilają **DLOB + metryki + UI**.
-
-## Runbooki i architektura
-
- Bare metal RPC (non‑voting) + Geyser/Yellowstone gRPC: `doc/solana-rpc-geyser-setup.md`
- “Kanoniczna” architektura self‑hosted (RPC + DLOB → DB/Hasura → API → UI): `doc/rpc-dlob-kanoniczna-architektura.md`
- Czy da się bez własnego RPC / bez RPC w ogóle (mapowanie źródeł danych): `doc/drift-data-bez-solana-rpc.md`
-
-## DLOB i warstwy danych
-
- Serwisy DLOB w k3s/VPS + przepływ danych: `doc/dlob-services.md`
- Pojęcia i metryki DLOB (L1/L2/L3, bps, slippage): `doc/dlob-basics.md`
-
-## Metryki i koszty kontraktów (backend liczy, UI rysuje)
-
- API do liczenia kosztów “new contract” + monitor kontraktu: `doc/contract-cost-api.md`
- Słownik kosztów, PnL i pojęć (UI + backend): `doc/drift-costs.md`
-
--- a/doc/strategy-eskalacja-horyzontu.md
+++ b/doc/strategy-eskalacja-horyzontu.md
@@ -1,111 +0,0 @@
-# Strategia: eskalacja horyzontu (1m → 5m → 15m → 30m → 1h) z bramkami ryzyka i kosztów
-
-Cel: jeżeli trade nie domyka celu w krótkim oknie (np. **1m**), możemy **kontrolowanie** przejść na dłuższy horyzont (**5m/15m/30m/1h**) *bez wpadania w “przetrzymanie straty”*.
-
-Klucz: to ma działać jako **state machine** z twardymi bramkami (gates), a nie jako “zostawię i zobaczę”.
-
---
-
-## 1) Model: “czas na realizację celu” + eskalacja okna
-
-### Parametry (na start)
- `target_bps` albo `target_usd` (np. +3 bps, +6 bps…)
- `ttl_per_mode` (time-to-live per tryb):
-  - `1m`: 60–120 s
-  - `5m`: 5–10 min
-  - `15m`: 15–30 min
-  - `30m`: 30–60 min
-  - `1h`: 1–3 h
-
-### Zasada
-Jeśli w danym trybie **nie osiągniesz celu w TTL**, to:
- albo **zamykanie**,
- albo **eskalacja** do wyższego okna — *tylko* jeśli spełnione są bramki (ryzyko/koszty/struktura).
-
---
-
-## 2) Bramki (gates) — kiedy eskalacja jest dozwolona
-
-### Gate RISK (twarde)
-Jeśli którykolwiek warunek jest niespełniony → **wyjście teraz** (close now).
-
-Przykładowe progi:
- `health >= 0.70`
- `margin_ratio >= 0.15..0.20` (zależnie od dźwigni)
- odległość do `liq_price` >= `X%` albo >= `k * ATR`
- `max_drawdown` w oknie bieżącym nie przekracza limitu
-
-### Gate COSTS (twarde)
- `close_now_cost_usd` nie “zjada” potencjału (np. koszty nie mogą przekroczyć `target_usd` albo `target_bps`)
- przy dłuższych trybach (30m/1h) uwzględnij wpływ funding:
-  - `funding_expected(next_window)` nie dominuje nad edge
-
-### Gate STRUCTURE / EDGE (miękkie, ale zalecane)
-Przykłady:
- trend/edge na wyższym oknie nie jest przeciw (np. 5m dla eskalacji 1m→5m)
- spread/slippage z DLOB nie rosną anormalnie
-
---
-
-## 3) Logika przejść (state machine)
-
-Stan początkowy: `mode=1m`.
-
-Jeżeli `ttl_expired` i `target_not_hit`:
- jeśli `risk_ok && costs_ok && structure_ok` → awans do następnego trybu,
- inaczej → `close_now`.
-
-Przejścia:
- `1m` → `5m`
- `5m` → `15m`
- `15m` → `30m`
- `30m` → `1h`
-
-Ważne: awans = **zmiana reżimu** (inne TTL/target/gates), a nie “przeciąganie”.
-
---
-
-## 4) Pułapka i dwa “hamulce”
-
-Pułapka:
-> “nie poszło w 1m, to poczekam 5m, jak nie to 15m…” → swing bez planu
-
-### Hamulec A: limit eskalacji
- max 1–2 awanse na trade (np. `1m→5m→15m` i koniec)
-
-### Hamulec B: limit straty per tryb
- jeśli w trybie 1m strata przekroczy `stop_1m` → wyjście
- nie wolno “przenosić” tej samej straty w nieskończoność do 1h
-
---
-
-## 5) Jak to zaszyć w naszym backendzie (worker + API)
-
-W `contract_metrics_ts` (lub w warstwie kontraktu) trzymaj:
- `mode_current`
- `mode_enter_ts`
- `ttl_s_for_mode`
- `target_bps_for_mode`
- `gates_passed`:
-  - `risk: boolean`
-  - `costs: boolean`
-  - `structure: boolean`
- (opcjonalnie) `escalations_used` / `escalations_remaining`
-
-### SIM: “czy eskalacja ma sens”
-Endpoint typu `POST /v1/simulate/escalate` (MVP) może zwracać:
- `expected_costs` (close now / next window)
- `risk_after` (health/margin/liq)
- `assumptions` (np. BBO+extra bps, fee tier)
-
---
-
-## 6) TL;DR
-
- Tak, eskalacja czasu ma sens **jeśli jest kontrolowana**.
- Robimy to jako **state machine** z:
-  - twardym `RISK gate`,
-  - twardym `COST gate`,
-  - limitem eskalacji,
-  - stopem per tryb.
-
--- a/doc/todo-before-baremetal.md
+++ b/doc/todo-before-baremetal.md
@@ -1,111 +0,0 @@
-# TODO przed zakupem bare metal (RPC+Geyser) — żeby dzień 0 poszedł gładko
-
-Cel: zanim kupisz bare metal, dopinamy wszystko, co nie wymaga własnego RPC, żeby po zakupie:
- tylko postawić RPC+Geyser wg runbooka,
- przepiąć endpointy w k3s i zrobić rollout,
- zweryfikować stabilność feedu i gotowość do live.
-
---
-
-## Status (staging / `trade.mpabi.pl`) + TODO bieżące
-
- [x] **Precomputed candles cache (TF: `1s..1d`, target `1024`/TF)** na backendzie (k3s) + worker liczący “ciągle”.
- [x] **DLOB slippage v2** (tabele v2 + dual-write), żeby obsłużyć “rozmiary USD” z częściami dziesiętnymi.
- [x] **Frontend (visualizer)**: dodane TF: `1s 3s 5s 15s 30s 1m 3m 5m 15m 30m 1h 4h 12h 1d` + szybkie przełączanie (abort poprzednich requestów).
- [x] **Wdrożenie na k3s**: zbudowany i wypchnięty nowy obraz `trade-frontend` + zaktualizowany `trade-deploy` (Argo rollout).
-
-**Do zrobienia teraz (żeby „lokalny frontend” i staging działały spójnie):**
-
- [ ] **Sprawdzić `/graphql` (Hasura proxy) po sesji**: potwierdzić, że po `POST /auth/login` zapytania GraphQL działają i nie ma `Malformed Authorization header`.
- [ ] **Sprawdzić czasy przełączania TF w UI**: czy klik w TF tylko czyta cache i nie czeka na liczenie (ma być natychmiast).
- [ ] **Naprawić „kafelek” w headerze market** na 100% skali (overflow/ellipsis, czytelność liczb).
- [ ] **DLOB fullscreen w stack/layers**: upewnić się, że działa tak jak chart (fullscreen / exit) i że w stack mode jest czytelne.
- [ ] **Panel warstw**: dopracować UX (auto-hide + lock, DnD kolejności, suwaki opacity/brightness na warstwach) + skrócić formatki (więcej miejsca na wykresy).
- [ ] **“New contract estimate” live**: dodać toggle “auto refresh” i rysować wykresy time-series (1 px ~ 1s) tylko dla zmiennych (cena/impact/total), a stałe (fee) jako stałe wartości.
-
---
-
-## A) Decyzje i parametry (bez kodu, ale blokują implementację)
-
- [ ] **Docelowe porty i adresacja WireGuard**:
-  - WG subnet (np. `10.8.0.0/24`), IP bare metal i IP k3s/VPS
-  - port WG (np. `51820/udp`)
-  - private bind dla: RPC `8899`, WS `8900`, gRPC `10000`
- [ ] **Polityka dostępu**:
-  - allowlist IP do SSH
-  - czy gRPC wymaga auth/token dla klientów
- [ ] **Retencja danych (start)**:
-  - TS: 7 dni “gęsto” (np. 1–5s) + czy robimy downsample 1m na dłużej
- [ ] **Model intent**:
-  - potwierdzone: offset (ticks/bps) + desired-state (jest w `doc/drift-perp-contract.md`)
- [ ] **Ryzyko (hard caps)**:
-  - max position USD, max reprices/min, max slippage/spread, freshness
-
---
-
-## B) Dane i historia (żeby warstwy działały live+history)
-
- [ ] **DLOB TS tables**: `dlob_stats_ts`, `dlob_depth_bps_ts`, `dlob_slippage_ts`
-  - indeksy `(market_name, ts)` i retencja 7 dni
- [ ] **Archiver/collector**:
-  - worker, który zapisuje TS (z `*_latest` do `*_ts`), albo rozszerzenie istniejących workerów
- [ ] **Downsample (opcjonalnie, ale pro)**:
-  - continuous aggregates (Timescale) lub job 1m/5m
- [ ] **Hasura bootstrap**:
-  - track tabel TS + uprawnienia `select` (public) dla UI history
-
---
-
-## C) Kontrakty bota i audyt (must-have przed live)
-
- [ ] **Schema**:
-  - `bot_contracts` (desired-state + status)
-  - `bot_events` (audit log)
-  - mapowanie: `decision_id`, `client_order_id`, `drift_order_id`, `tx_sig`
- [ ] **Observe-only executor** (k3s):
-  - buduje features i zapisuje `decision` do `bot_events`, bez składania tx
- [ ] **Reconcile logic (no trade yet)**:
-  - start → odczyt observed state z Drift → porównanie do DB → log “diff”
- [ ] **Kill-switch w executorze**:
-  - env var + DB flag + safety triggers (feed stale, RPC lag)
-
---
-
-## D) Vast (GPU tylko na kilka godzin) — przygotowanie pod ephemeral training
-
- [ ] **Dataset export** (z k3s/DB):
-  - jeden plik `parquet/jsonl.zst` + `dataset_version` (hash)
-  - minimalny “train split / eval split”
- [ ] **Training entrypoint** (jedna komenda):
-  - skrypt/komenda, która: download dataset → train → eval → export
- [ ] **Artifact upload**:
-  - preferowane: scp na VPS/k3s albo Gitea Packages
-  - wersjonowanie: `model_version` + `dataset_version`
- [ ] **Predictor contract test**:
-  - walidator JSON schema `trade_intent`
-  - test: “intent TTL expired” + “gates fail” + “panic”
-
---
-
-## E) UI (warstwy + live/history, bez liczenia w JS)
-
- [ ] **Tryb Live/History**:
-  - Live: subscriptions na `*_latest`
-  - History: query na `*_ts` + timeframe `tf`
- [ ] **Warstwy/Panele z `doc/stats.md`**:
-  - mapowanie 1:1 na tabele (brak obliczeń w UI)
- [ ] **Podgląd kontraktów**:
-  - panel “Contracts” z `bot_contracts` + “Event timeline” z `bot_events`
-
---
-
-## F) Operacje (żeby bare metal nie stał się snowflake)
-
- [ ] **Sekrety i endpointy**:
-  - w k3s: secret `trade-dlob-rpc` / analogiczny na nowy endpoint (WG)
-  - fallback endpoint (np. public provider) jako opcjonalny drugi URL
- [ ] **Monitoring/alerty na k3s**:
-  - freshness DLOB/ticks, error rate workerów, restart loops
- [ ] **Checklist “Day 0”**:
-  - przejście krok po kroku wg `doc/solana-rpc-geyser-setup.md`
-  - smoke test: `dlob-publisher` bez reconnect storm
--- a/doc/trading-readiness.md
+++ b/doc/trading-readiness.md
@@ -1,119 +0,0 @@
-# Trading readiness (staging → live) — checklista i brakujące elementy
-
-Ten dokument odpowiada na pytanie: **czy obecny warsztat jest “już dobry do trade”** i co musi być dopięte, zanim przejdziemy z obserwacji do live tradingu.
-
-W skrócie:
- Fundament jest dobry do **prototypowania i stagingu**.
- Do “pro trading” brakuje kilku krytycznych elementów bezpieczeństwa, audytu i historii danych.
-
---
-
-## 1) Co już mamy (mocne strony)
-
- **k3s + GitOps/snapshoty**: każdy deploy to snapshot, rollback jednym ruchem (`doc/workflow.md`).
- **DLOB pipeline**: orderbook → statsy (spread/depth/slippage) pod UI/strategie (`doc/dlob-basics.md`, `doc/dlob-services.md`).
- **Ingest ticków do DB**: dane rynkowe w Postgres/Timescale + candles przez funkcję (`doc/workflow-api-ingest.md`).
- **UI/Visualizer**: warstwy i panele do obserwacji rynku (`doc/stats.md`).
- **Model plane separation**: Vast ma robić inference bez sekretów (docelowo) (`doc/drift-perp-contract.md` + `doc/vast-gpu-runbook.md`).
- **Plan pod własny RPC + streaming**: bare metal RPC + Geyser/Yellowstone gRPC (`doc/solana-rpc-geyser-setup.md`).
- **Wyjaśnienie “czy da się bez RPC”**: co możemy policzyć z DB i DLOB, a co wymaga feedu on‑chain (`doc/drift-data-bez-solana-rpc.md`).
-
-To jest wystarczające do:
- obserwacji live,
- strojenia UI,
- budowy i testów pipeline’u danych,
- “paper trading” / dry-run w executorze.
-
---
-
-## 2) Co jest krytycznie brakujące do live tradingu
-
-Poniższe punkty są “must‑have” zanim bot zacznie realnie składać zlecenia na Drift.
-
-### 2.1 Kontrakty bota + audyt (DB)
-
-Wymagane tabele i log:
- `bot_contracts` (stan kontraktu / desired-state)
- `bot_events` (decision, order_sent, order_ack, fill, cancel, exit, error, panic)
- mapowanie: `decision_id -> client_order_id -> drift_order_id -> tx_sig`
-
-Cel:
- da się odtworzyć “co poszło na chain”,
- UI pokazuje stan kontraktów (live + historia),
- łatwe debugowanie i strojenie.
-
-### 2.2 Reconcile po restarcie (must-have)
-
-Executor po starcie zawsze:
- czyta `bot_contracts` (desired),
- pobiera observed state z Drift (pozycje + open ordery),
- porównuje i wykonuje minimalne akcje korekcyjne.
-
-Bez tego ryzykujesz:
- “ghost orders”,
- utrzymanie pozycji mimo utraty kontekstu.
-
-### 2.3 Kill-switch + guardian poza klastrem (must-have)
-
-Kill-switch w executorze to za mało, bo klaster/VPS może paść.
-
-Wzorzec:
- osobny mały serwis `bot-guardian` poza głównym VPS/k3s,
- jeśli heartbeat executora jest stary → guardian robi `cancel_all` + `reduce_only close`.
-
-### 2.4 Hard risk caps niezależne od modelu
-
-Nawet jeśli Vast zwraca pełny `trade_intent`, executor musi egzekwować:
- `max_position_usd`, `max_leverage` (pośrednio), `max_orders_per_min`,
- `max_slippage_bps`, `max_spread_bps`, `freshness_max_ms`,
- circuit breakers (np. feed down, RPC lag, drawdown).
-
-Model może proponować parametry, ale nie może omijać twardych limitów.
-
-### 2.5 Historia danych (TS), retencja i downsample
-
-`*_latest` jest świetne do live, ale do strojenia potrzebujesz TS:
- DLOB: `dlob_stats_ts`, `dlob_depth_bps_ts`, `dlob_slippage_ts` (min. 7 dni)
- kontrakty: `bot_events_ts` / log z timestampem
-
-Docelowo:
- trzymać gęste 7 dni,
- trzymać dłużej downsample (np. 1m/5m) pod analizy reżimów.
-
-### 2.6 Monitoring i alerty (operacyjne)
-
-Minimum alertów:
- feed freshness (DLOB/ticki),
- RPC slot lag / error rate,
- order reject rate,
- panic triggers,
- disk fill/iowait (RPC node).
-
---
-
-## 3) “Go/No-Go” do pierwszego live (small size)
-
-**Go** jeśli:
- kontrakty i eventy są w DB,
- reconcile działa (test restartu),
- kill-switch działa (test: panic → flat),
- mamy twarde limity ryzyka,
- mamy podstawowe alerty,
- mamy 7 dni TS pod progi (albo chociaż 24h na start) i znamy percentyle spread/slippage/depth.
-
-**No-Go** jeśli:
- nie potrafimy deterministycznie zidentyfikować orderów (brak `client_order_id` / brak logów),
- restart executora może zostawić pozycję bez kontroli,
- nie ma niezależnego guardiana.
-
---
-
-## 4) Proponowana kolejność implementacji (minimalny path)
-
-1) `bot_contracts` + `bot_events` + UI podgląd kontraktów (read-only).
-2) “observe-only executor” (bez tx) → loguje decyzje z modelu/reguł.
-3) TS history: DLOB (7 dni) + podstawowe agregacje.
-4) Dry-run/paper: executor wylicza i loguje order plan (bez tx).
-5) Live minimal: mały size, limit/post-only + chase, twarde caps.
-6) Guardian poza klastrem.
-7) Geyser/Yellowstone (jeśli WS RPC nie trzyma stabilnie na skali).
--- a/doc/vast-gpu-runbook.md
+++ b/doc/vast-gpu-runbook.md
@@ -1,123 +0,0 @@
-# Vast GPU (kilka godzin) — runbook do trenowania + eksportu modelu
-
-Cel: używać Vast (GPU) jako **krótkiej sesji treningowej** (kilka godzin), a wynik (wagi/adapter) zapisać trwałe i wersjonowane.
-
-W tym projekcie Vast:
- **nie dostaje sekretów tradingowych**,
- nie ma dostępu do kluczy,
- zwraca tylko `trade_intent`/predykcje.
-
---
-
-## 1) Najważniejsza zasada przy krótkim wynajmie
-
-Vast jest “ephemeral”. Żeby nie stracić pracy:
-
- wszystko musi być **reproducible** (konfig + kod + seed),
- model output musi być **mały** i łatwy do przeniesienia (preferuj LoRA/adaptery),
- checkpointy i final artifacts muszą być **uploadowane** poza maszynę (Gitea packages/S3/scp).
-
---
-
-## 2) Co potrzebujemy mieć gotowe przed startem sesji
-
-### 2.1 Kod i entrypoint
-
-W repo powinien istnieć “one command training”, np.:
- `python -m train ...` albo `bash scripts/train.sh ...`
-
-Zasada: komenda sama:
- pobiera dataset (albo czyta lokalny plik),
- trenuje,
- zapisuje `artifacts/`,
- robi upload.
-
-### 2.2 Dataset (krótki transfer)
-
-Dla sesji “kilka godzin” unikaj wielkich transferów.
-
-Rekomendacja:
- zbuduj dataset jako plik (np. `jsonl`/`parquet`) i spakuj (`zstd`),
- trzymaj wersję datasetu (hash) i loguj ją do metryk.
-
-Źródło danych (rekomendowane u nas):
- `Postgres/Timescale` w k3s → eksport do pliku (offline), potem upload.
-
-### 2.3 Bazowy model
-
-Masz 2 ścieżki:
- pobierasz z internetu (HF) na Vast (szybko, ale zależy od sieci),
- albo trzymasz bazę w swoim storage i ściągasz kontrolowanie.
-
-Na start preferuj LoRA na umiarkowanym modelu i krótkiej sekwencji.
-
---
-
-## 3) Co uruchamiamy na Vast
-
-### 3.1 Kontener
-
-Najprościej: jeden Docker image z zależnościami (PyTorch + libs).
-Obraz powinien być **pinned** (digest) i gotowy do uruchomienia bez `pip install` w trakcie.
-
-### 3.2 Konfiguracja treningu (config file)
-
-Trzymaj config jako plik (np. YAML/JSON) i loguj go do artifactów:
- `model_name`, `model_version`
- `dataset_version` (hash)
- `seq_len`, `batch_size`, `grad_accum`, `lr`
- `lora_r`, `lora_alpha`, `lora_dropout` (jeśli LoRA)
- `seed`
-
-### 3.3 Output
-
-Preferowane outputy:
- LoRA adapter (mały): `adapter.safetensors` + config
- metryki treningu: `metrics.json`
- walidacja: `eval_report.json`
-
-Opcjonalnie:
- export do ONNX/TensorRT jeśli planujesz inference poza GPU (zależne od modelu).
-
---
-
-## 4) Gdzie trzymamy artefakty (żeby nie zniknęły)
-
-Opcje (w kolejności prostoty):
-
-1) **scp na VPS/k3s** (na start najprostsze)
-2) **Gitea Packages** (jeśli chcesz wersjonować jako “package”)
-3) **S3/MinIO** (najbardziej skalowalne)
-
-Minimalne wymaganie: zawsze zapisuj `model_version` i `dataset_version` obok wag.
-
---
-
-## 5) Jak to łączy się z executor / UI
-
-Model na Vast zwraca `trade_intent` (patrz `doc/drift-perp-contract.md`).
-Executor w k3s:
- buduje features z DB,
- woła predictor,
- waliduje gates,
- loguje:
-  - `decision_id`, `model_version`, `features_hash`, `intent`,
-  - outcome (fill/exit).
-
-Jeśli Vast jest niedostępny:
- executor przechodzi w `observe/off` (nie handluje),
- UI nadal pokazuje warstwy rynku (DLOB/ticki).
-
---
-
-## 6) Checklist “kilka godzin” (operacyjnie)
-
- [ ] Vast instance: GPU + wystarczająco VRAM + szybki disk.
- [ ] Pull docker image (pinned).
- [ ] Download dataset (jedna komenda).
- [ ] Train (z logowaniem metryk co N kroków).
- [ ] Eval (krótki).
- [ ] Export adapter/weights.
- [ ] Upload artifacts (scp / packages / S3).
- [ ] Zapisz `model_version` do DB/config (k3s) przed użyciem.
-
--- a/doc/visualizer-candles.md
+++ b/doc/visualizer-candles.md
@@ -1,42 +0,0 @@
-# Visualizer: świeczki + “brick stack” pod świecą
-
-## Timeframe (tf)
-
-W visualizerze `tf` to długość świecy (bucket) przekazywana do API:
-
- `3s`, `5s`, `15s`, `30s` — mikro‑ruchy (dużo szumu, ale świetne do obserwacji mikrostruktury)
- `1m`, `5m`, `15m`, `1h`, `4h`, `1d` — klasyczne interwały
-
-Kiedy ma to sens:
- `3s/5s`: gdy chcesz widzieć “jak cena się buduje” w krótkich falach (np. po newsie / w dużej zmienności).
- `15s/30s`: często najlepszy kompromis między szumem a czytelnością, jeżeli patrzysz na very-short-term.
-
-## Co pokazuje “brick stack” na dole
-
-Pod każdą świecą rysujemy słupek złożony z “bricków” (małych segmentów) odpowiadających kolejnym krokom czasu wewnątrz świecy.
-
-Kolory bricków:
- zielony = w tym kroku cena poszła w górę
- czerwony = w tym kroku cena poszła w dół
- niebieski = w tym kroku cena była stała (flat)
-
-Wysokość bricków:
- zielony/czerwony: proporcjonalna do `|Δprice|` w danym kroku
- niebieski: stała (unit height)
-
-Bricki są rozdzielone cienką czarną linią (1px), żeby było widać strukturę “krok po kroku”.
-
-## Jakie pola musi zwracać API
-
-Endpoint `GET /v1/chart` zwraca w każdej świecy:
-
- `flow`: udziały czasu `up/down/flat` w całym buckecie (0..1)
- `flowRows`: tablica kierunków per krok czasu: `-1` (down), `0` (flat), `1` (up)
- `flowMoves`: tablica “move magnitude” per krok czasu (wartości dodatnie; 0 jeśli flat)
-
-To właśnie `flowRows` + `flowMoves` są używane do narysowania brick stacka.
-
-## Domyślny rynek
-
-W visualizerze domyślnie ustawiony jest `SOL-PERP`.
-
--- a/doc/visualizer-layers-ui.md
+++ b/doc/visualizer-layers-ui.md
@@ -1,89 +0,0 @@
-# Visualizer UI: kafelki → warstwy (stack)
-
-Ten dokument opisuje MVP dla przełączania układu UI w `apps/visualizer`:
-
- **Grid (kafelki / standard)**: obecny layout aplikacji.
- **Stack (warstwy / fullscreen)**: jedna aktywna warstwa jest na wierzchu (fullscreen), a kolejność warstw można ustawiać przez **DnD**.
-
-## Zachowanie (MVP)
-
-### Wejście / wyjście ze stack
- **Chart**: przycisk `Fullscreen` w pasku narzędzi wykresu przełącza tryb `grid` ↔ `stack` (dla warstwy `chart`).
- **DLOB**: przycisk `Fullscreen` w nagłówku DLOB przełącza tryb `grid` ↔ `stack` (dla warstwy `dlob`).
- Wyjście ze stack:
-  - przycisk `Back` w panelu warstw
-  - klawisz `Esc` **dwa razy** (w ciągu ~0.8s)
-
-### Warstwy i DnD
- W stack pojawia się panel `Layers` jako **wysuwany drawer z boku**.
- Lista w panelu jest **od góry (top) do dołu (bottom)**:
-  - element na górze listy jest `active` (czyli jest “na wierzchu”).
- **DnD** na liście:
-  - przeciągnij element i upuść na inny — zmienisz kolejność (top/bottom).
- Kliknięcie elementu na liście przenosi go na wierzch (`active`).
-
-### Warstwy kosztów (Costs)
- Są dwie osobne warstwy kosztów:
-  - `Costs (New)` — estymata nowego kontraktu (domyślnie **na samej górze**),
-  - `Costs (Active)` — monitoring puszczonego kontraktu (pojawia się i jest ustawiana **jeden poziom niżej** po wpisaniu `contract_id`).
- Możesz zmienić kolejność DnD (to nadpisuje domyślne ustawienie).
- Po pierwszym DnD aplikacja oznacza układ jako “manualny” i nie przestawia już automatycznie warstw przy pojawieniu się `contract_id`.
-
-### Auto-hide + lock
- Domyślnie drawer ma **auto-hide** (chowa się po ~1s po zjechaniu kursorem z panelu).
- Przycisk `Auto/Locked`:
-  - `Auto` = auto-hide włączony,
-  - `Locked` = auto-hide wyłączony (drawer zostaje otwarty).
- Drawer otwiera się po najechaniu kursorem na wąski “hotspot” przy lewym brzegu ekranu.
-
-### Opacity (UI)
- W drawerze są suwaki:
-  - `Backdrop` (przyciemnienie tła w stack)
-  - `Panel` (tło drawera)
- Wartości są zapisywane w localStorage (`trade.stackBackdropOpacity`, `trade.stackDrawerOpacity`).
-
-### Opacity (warstwy)
- Każda warstwa ma swój suwak opacity (0–100%):
-  - `0%` = warstwa niewidoczna,
-  - `100%` = pełna widoczność.
- DnD nadal ustawia kolejność (z-index), a interakcje trafiają do warstwy `active` (top).
- Wartości są zapisywane w localStorage (`trade.layerOpacity`).
-
-### Jasność (warstwy)
- Każda warstwa ma suwak `brightness` (60–180%).
- To jest filtr UI (nie wpływa na dane), przydatny gdy chcesz rozjaśnić wykres/DLOB w stack.
- Wartości są zapisywane w localStorage (`trade.layerBrightness`).
-
-### Widoczność + lock (warstwy)
- Ikona “oka” przełącza widoczność warstwy (nie resetuje suwaka opacity).
- Ikona “kłódki” blokuje warstwę:
-  - nie da się jej przeciągać (DnD),
-  - suwak opacity jest wyłączony,
-  - klik w wiersz nie zmienia kolejności (nie “wypycha” na top).
- Ustawienia są zapisywane w localStorage (`trade.layerVisible`, `trade.layerLocked`).
-
-## Implementacja (gdzie w kodzie)
- Sterowanie układem i panel `Layers`: `apps/visualizer/src/App.tsx`
-  - `trade.layoutMode` w localStorage: `'grid' | 'stack'`
-  - `trade.stackOrder` w localStorage: kolejność warstw (z-index; ostatni = top)
-  - `trade.stackOrderManual` w localStorage: czy użytkownik zmienił kolejność przez DnD (blokuje auto-przestawianie)
-  - `trade.stackPanelLocked` w localStorage: blokada auto-hide panelu warstw
-  - `trade.contractId` w localStorage: aktywny kontrakt do monitoringu
- Fullscreen chart przez warstwy: `apps/visualizer/src/features/chart/ChartPanel.tsx`
-  - `fullscreenOverride` + `onToggleFullscreenOverride` (fullscreen kontrolowany z zewnątrz, bez backdropu)
- Fullscreen DLOB: `apps/visualizer/src/features/market/DlobDashboard.tsx`
-  - `isFullscreen` + `onToggleFullscreen` (przycisk w nagłówku)
- Panel kosztów: `apps/visualizer/src/features/contracts/ContractCostsPanel.tsx`
-
-## Co dalej (kolejne iteracje)
-
-MVP nie robi jeszcze “prawdziwego” układu kafelków z:
- drag/resize okien w trybie stack,
- wyświetlaniem kilku warstw jednocześnie (np. jako nakładające się okna),
- przełączaniem grid→stack przez zoom kafelka (z animacją).
-
-Proponowane następne kroki:
-1) wydzielić `Pane` abstraction (id, title, render, hotkeys),
-2) zrobić `grid` jako faktyczne kafelki (Chart, DLOB, Orderbook, TradeForm),
-3) dodać “zoom” kafelka → wejście do stack,
-4) dodać opcjonalnie drag/resize w stack (na start tylko z-index + focus).
--- a/doc/workflow.md
+++ b/doc/workflow.md
@@ -1,99 +0,0 @@
-# Workflow pracy w projekcie `trade` (dev → staging na VPS) + snapshot/rollback
-
-Ten plik jest “source of truth” dla sposobu pracy nad zmianami w `trade`.  
-Cel: **zero ręcznych zmian na VPS**, każdy deploy jest **snapshoot’em**, do którego można wrócić.
-
-## Dla agenta / po restarcie sesji
-
-1) Przeczytaj ten plik: `doc/workflow.md`.  
-2) Kontekst funkcjonalny: `README.md`, `info.md`.  
-3) Kontekst stacka: `doc/workflow-api-ingest.md` oraz `devops/*/README.md`.  
-4) Stan VPS/k3s + GitOps: `doc/migration.md` i log zmian: `doc/steps.md`.
-
-## Zasady (must-have)
-
- **Nie edytujemy “na żywo” VPS** (żadnych ręcznych poprawek w kontenerach/plikach na serwerze) → tylko Git + CI + Argo.
- **Sekrety nie trafiają do gita**: `tokens/*.json` są gitignored; w dokumentacji/logach redagujemy hasła/tokeny.
- **Brak `latest`**: obrazy w deployu są przypięte do `sha-<shortsha>` albo digesta.
- **Każda zmiana = snapshot**: “wersja” to commit w repo deploy + przypięte obrazy.
-
-## Domyślne środowisko pracy (ważne)
-
- **Frontend**: domyślnie pracujemy lokalnie (Vite) i łączymy się z backendem na VPS (staging) przez proxy. Deploy frontendu na VPS robimy tylko jeśli jest to wyraźnie powiedziane (“wdrażam na VPS”).
- **Backend (trade-api + ingestor)**: zmiany backendu weryfikujemy/wdrażamy na VPS (staging), bo tam działa ingestor i tam są dane. Nie traktujemy lokalnego uruchomienia backendu jako domyślnego (tylko na wyraźną prośbę do debugowania).
-
-## Standardowy flow zmian (polecany)
-
-1) Zmiana w kodzie lokalnie.
-   - Nie musisz odpalać lokalnego Dockera; na start rób szybkie walidacje (build/typecheck).
-2) Commit + push (najlepiej przez PR).
-3) CI:
-   - build → push obrazów (tag `sha-*` lub digest),
-   - aktualizacja `trade-deploy` (bump obrazu/rewizji).
-4) Argo CD (auto-sync na staging) wdraża nowy snapshot w `trade-staging`.
-5) Test na VPS:
-   - API: `/healthz`, `/v1/ticks`, `/v1/chart`
-   - UI: `trade.mpabi.pl`
-   - Ingest: logi `trade-ingestor` + napływ ticków do tabeli.
-
-## Snapshoty i rollback (playbook)
-
-### Rollback szybki (preferowany)
-
- Cofnij snapshot w repo deploy:
-  - `git revert` commita, który podbił obrazy, **albo**
-  - w Argo cofnij do poprzedniej rewizji (ten sam efekt).
-
-Efekt: Argo wraca do poprzedniego “dobrego” zestawu obrazów i konfiguracji.
-
-### Rollback bezpieczny dla “dużych” zmian (schema/ingest)
-
-Jeśli zmiana dotyka danych/ingestu, rób ją jako nową wersję vN:
- nowa tabela: `drift_ticks_vN`
- nowa funkcja: `get_drift_candles_vN`
- osobny deploy API/UI (inne porty/sufiksy), a ingest przełączany “cutover”.
-
-W razie problemów: robisz “cut back” vN → v1 (stare dane zostają nietknięte).
-
-## Lokalne uruchomienie (opcjonalne, do debugowania)
-
-Dokładna instrukcja: `doc/workflow-api-ingest.md`.
-
-Skrót:
-```bash
-npm install
-docker compose -f devops/db/docker-compose.yml up -d
-docker compose -f devops/tools/bootstrap/docker-compose.yml run --rm db-init
-docker compose -f devops/tools/bootstrap/docker-compose.yml run --rm hasura-bootstrap
-docker compose -f devops/app/docker-compose.yml up -d --build api
-npm run token:api -- --scopes write --out tokens/alg.json
-npm run token:api -- --scopes read --out tokens/read.json
-docker compose -f devops/app/docker-compose.yml up -d --build frontend
-docker compose -f devops/app/docker-compose.yml --profile ingest up -d --build
-```
-
-### Frontend dev (Vite) z backendem na VPS (staging)
-
-Jeśli chcesz szybko iterować nad UI bez deploya, możesz odpalić lokalny Vite i podpiąć go do backendu na VPS przez istniejący proxy `/api` na `trade.mpabi.pl`.
-
- Vite trzyma `VITE_API_URL=/api` (default) i proxy’uje `/api/*` do VPS.
- Auth w staging jest w trybie `session` (`/auth/login`, cookie `trade_session`), więc w dev proxy’ujemy też `/whoami`, `/auth/*`, `/logout`.
- Dev proxy usuwa `Secure` z `Set-Cookie`, żeby cookie działało na `http://localhost:5173`.
- Na VPS `trade-frontend` proxy’uje dalej do `trade-api` i wstrzykuje read-token **server-side** (token nie trafia do przeglądarki).
-
-Przykład:
-
-```bash
-cd apps/visualizer
-API_PROXY_TARGET=https://trade.mpabi.pl \
-npm run dev
-```
-
-Jeśli staging ma dodatkowy basic auth (np. Traefik `basicAuth`), dodaj:
-`API_PROXY_BASIC_AUTH='USER:PASS'` albo `API_PROXY_BASIC_AUTH_FILE=tokens/frontend.json` (pola `username`/`password`).
-
-## Definicja “done” dla zmiany
-
- Jest snapshot (commit w deploy) i można wrócić jednym ruchem.
- Staging działa (API/ingest/UI) i ma podstawowe smoke-checki.
- Sekrety nie zostały dodane do repo ani do logów/komentarzy.
--- a/services/frontend/server.mjs
+++ b/services/frontend/server.mjs
@@ -3,7 +3,9 @@ import { spawnSync } from 'node:child_process';
 import fs from 'node:fs';
 import http from 'node:http';
 import https from 'node:https';
+import net from 'node:net';
 import path from 'node:path';
+import tls from 'node:tls';

 const PORT = Number.parseInt(process.env.PORT || '8081', 10);
 if (!Number.isInteger(PORT) || PORT <= 0) throw new Error(`Invalid PORT: ${process.env.PORT}`);
@@ -14,8 +16,9 @@ const STARTED_AT = new Date().toISOString();

 const STATIC_DIR = process.env.STATIC_DIR || '/srv';
 const BASIC_AUTH_FILE = process.env.BASIC_AUTH_FILE || '/tokens/frontend.json';
-const API_READ_TOKEN_FILE = process.env.API_READ_TOKEN_FILE || '/tokens/read.json';
-const API_UPSTREAM = process.env.API_UPSTREAM || process.env.API_URL || 'http://api:8787';
+const HASURA_UPSTREAM = process.env.HASURA_UPSTREAM || 'http://hasura:8080';
+const HASURA_GRAPHQL_PATH = process.env.HASURA_GRAPHQL_PATH || '/v1/graphql';
+const GRAPHQL_CORS_ORIGIN = process.env.GRAPHQL_CORS_ORIGIN || process.env.CORS_ORIGIN || '*';
 const BASIC_AUTH_MODE = String(process.env.BASIC_AUTH_MODE || 'on')
  .trim()
  .toLowerCase();
@@ -57,19 +60,12 @@ function timingSafeEqualBuf(a, b) {

 function loadBasicAuth() {
  const j = readJson(BASIC_AUTH_FILE);
-  const username = (j?.username || '').toString().trim();
-  const password = (j?.password || '').toString().trim();
+  const username = (j?.username || '').toString();
+  const password = (j?.password || '').toString();
  if (!username || !password) throw new Error(`Invalid BASIC_AUTH_FILE: ${BASIC_AUTH_FILE}`);
  return { username, password };
 }

-function loadApiReadToken() {
-  const j = readJson(API_READ_TOKEN_FILE);
-  const token = (j?.token || '').toString().trim();
-  if (!token) throw new Error(`Invalid API_READ_TOKEN_FILE: ${API_READ_TOKEN_FILE}`);
-  return token;
-}
-
 function send(res, status, headers, body) {
  res.statusCode = status;
  for (const [k, v] of Object.entries(headers || {})) res.setHeader(k, v);
@@ -363,28 +359,28 @@ function readBody(req, limitBytes = 1024 * 16) {
  });
 }

-function proxyApi(req, res, apiReadToken) {
-  const upstreamBase = new URL(API_UPSTREAM);
+function withCors(res) {
+  res.setHeader('access-control-allow-origin', GRAPHQL_CORS_ORIGIN);
+  res.setHeader('access-control-allow-methods', 'GET,POST,OPTIONS');
+  res.setHeader(
+    'access-control-allow-headers',
+    'content-type, authorization, x-hasura-admin-secret, x-hasura-role, x-hasura-user-id'
+  );
+}
+
+function proxyGraphqlHttp(req, res) {
+  const upstreamBase = new URL(HASURA_UPSTREAM);
  const inUrl = new URL(req.url || '/', `http://${req.headers.host || 'localhost'}`);

-  const prefix = '/api';
-  const strippedPath = inUrl.pathname === prefix ? '/' : inUrl.pathname.startsWith(prefix + '/') ? inUrl.pathname.slice(prefix.length) : null;
-  if (strippedPath == null) {
-    send(res, 404, { 'content-type': 'text/plain; charset=utf-8' }, 'not_found');
-    return;
-  }
-
  const target = new URL(upstreamBase.toString());
-  target.pathname = strippedPath || '/';
+  target.pathname = HASURA_GRAPHQL_PATH;
  target.search = inUrl.search;

  const isHttps = target.protocol === 'https:';
  const lib = isHttps ? https : http;

  const headers = stripHopByHopHeaders(req.headers);
-  delete headers.authorization; // basic auth from client must not leak upstream
  headers.host = target.host;
-  headers.authorization = `Bearer ${apiReadToken}`;

  const upstreamReq = lib.request(
    {
@@ -397,6 +393,7 @@ function proxyApi(req, res, apiReadToken) {
    },
    (upstreamRes) => {
      const outHeaders = stripHopByHopHeaders(upstreamRes.headers);
+      withCors(res);
      res.writeHead(upstreamRes.statusCode || 502, outHeaders);
      upstreamRes.pipe(res);
    }
@@ -404,6 +401,7 @@ function proxyApi(req, res, apiReadToken) {

  upstreamReq.on('error', (err) => {
    if (!res.headersSent) {
+      withCors(res);
      send(res, 502, { 'content-type': 'text/plain; charset=utf-8' }, `bad_gateway: ${err?.message || err}`);
    } else {
      res.destroy();
@@ -413,6 +411,70 @@ function proxyApi(req, res, apiReadToken) {
  req.pipe(upstreamReq);
 }

+function isGraphqlPath(pathname) {
+  return pathname === '/graphql' || pathname === '/graphql-ws';
+}
+
+function proxyGraphqlWs(req, socket, head) {
+  const upstreamBase = new URL(HASURA_UPSTREAM);
+  const inUrl = new URL(req.url || '/', `http://${req.headers.host || 'localhost'}`);
+
+  const target = new URL(upstreamBase.toString());
+  target.pathname = HASURA_GRAPHQL_PATH;
+  target.search = inUrl.search;
+
+  const port = Number(target.port || (target.protocol === 'https:' ? 443 : 80));
+  const host = target.hostname;
+
+  const connect =
+    target.protocol === 'https:'
+      ? () => tls.connect({ host, port, servername: host })
+      : () => net.connect({ host, port });
+
+  const upstream = connect();
+  upstream.setNoDelay(true);
+  socket.setNoDelay(true);
+
+  // For WebSocket upgrades we must forward `connection`/`upgrade` and related headers.
+  const headers = { ...req.headers };
+  delete headers['content-length'];
+  delete headers['content-type'];
+  headers.host = target.host;
+
+  const lines = [];
+  lines.push(`GET ${target.pathname + target.search} HTTP/1.1`);
+  for (const [k, v] of Object.entries(headers)) {
+    if (v == null) continue;
+    if (Array.isArray(v)) {
+      for (const vv of v) lines.push(`${k}: ${vv}`);
+    } else {
+      lines.push(`${k}: ${v}`);
+    }
+  }
+  lines.push('', '');
+  upstream.write(lines.join('\r\n'));
+
+  if (head?.length) upstream.write(head);
+
+  upstream.on('error', () => {
+    try {
+      socket.destroy();
+    } catch {
+      // ignore
+    }
+  });
+  socket.on('error', () => {
+    try {
+      upstream.destroy();
+    } catch {
+      // ignore
+    }
+  });
+
+  upstream.pipe(socket);
+  socket.pipe(upstream);
+}
+
 async function handler(req, res) {
  if (req.method === 'GET' && (req.url === '/healthz' || req.url?.startsWith('/healthz?'))) {
    send(
@@ -425,6 +487,25 @@ async function handler(req, res) {
  }

  const url = new URL(req.url || '/', `http://${req.headers.host || 'localhost'}`);
+  if (isGraphqlPath(url.pathname)) {
+    if (req.method === 'OPTIONS') {
+      withCors(res);
+      res.statusCode = 204;
+      res.end();
+      return;
+    }
+    if (AUTH_MODE !== 'off' && AUTH_MODE !== 'none' && AUTH_MODE !== 'disabled') {
+      const user = resolveAuthenticatedUser(req);
+      if (!user) {
+        withCors(res);
+        unauthorized(res);
+        return;
+      }
+    }
+    withCors(res);
+    proxyGraphqlHttp(req, res);
+    return;
+  }
  if (req.method === 'GET' && url.pathname === '/whoami') {
    sendJson(res, 200, { ok: true, user: resolveAuthenticatedUser(req), mode: AUTH_MODE });
    return;
@@ -500,26 +581,6 @@ async function handler(req, res) {
    }
  }

-  if (req.url?.startsWith('/api') && (req.url === '/api' || req.url.startsWith('/api/'))) {
-    if (AUTH_MODE !== 'off' && AUTH_MODE !== 'none' && AUTH_MODE !== 'disabled') {
-      const user = resolveAuthenticatedUser(req);
-      if (!user) {
-        unauthorized(res);
-        return;
-      }
-    }
-
-    let token;
-    try {
-      token = loadApiReadToken();
-    } catch (e) {
-      send(res, 500, { 'content-type': 'text/plain; charset=utf-8' }, String(e?.message || e));
-      return;
-    }
-    proxyApi(req, res, token);
-    return;
-  }
-
  serveStatic(req, res);
 }

@@ -532,6 +593,30 @@ const server = http.createServer((req, res) => {
    send(res, 500, { 'content-type': 'text/plain; charset=utf-8' }, String(e?.message || e));
  });
 });
+server.on('upgrade', (req, socket, head) => {
+  try {
+    const url = new URL(req.url || '/', `http://${req.headers.host || 'localhost'}`);
+    if (!isGraphqlPath(url.pathname)) {
+      socket.destroy();
+      return;
+    }
+    if (AUTH_MODE !== 'off' && AUTH_MODE !== 'none' && AUTH_MODE !== 'disabled') {
+      const user = resolveAuthenticatedUser(req);
+      if (!user) {
+        try {
+          socket.write('HTTP/1.1 401 Unauthorized\r\n\r\n');
+        } catch {
+          // ignore
+        }
+        socket.destroy();
+        return;
+      }
+    }
+    proxyGraphqlWs(req, socket, head);
+  } catch {
+    socket.destroy();
+  }
+});
 server.listen(PORT, () => {
  console.log(
    JSON.stringify(
@@ -539,10 +624,9 @@ server.listen(PORT, () => {
        service: 'trade-frontend',
        port: PORT,
        staticDir: STATIC_DIR,
-        apiUpstream: API_UPSTREAM,
+        hasuraUpstream: HASURA_UPSTREAM,
        basicAuthFile: BASIC_AUTH_FILE,
        basicAuthMode: BASIC_AUTH_MODE,
-        apiReadTokenFile: API_READ_TOKEN_FILE,
        authUserHeader: AUTH_USER_HEADER,
        authMode: AUTH_MODE,
        htpasswdFile: HTPASSWD_FILE,
Author	SHA1	Message	Date
u1	667df582bd	chore(snapshot): normalize file permissions	2026-03-29 13:14:52 +02:00
u1	a188308013	chore(snapshot): sync frontend workspace state	2026-03-29 13:14:30 +02:00