feat(bot): add control-plane schema and hasura tracking

kustomize/base/initdb/001_init.sql

@@ -111,6 +111,50 @@ ALTER TABLE api_tokens ADD COLUMN IF NOT EXISTS scopes TEXT[] NOT NULL DEFAULT A
 CREATE INDEX IF NOT EXISTS api_tokens_revoked_at_idx
   ON api_tokens (revoked_at);
 
+-- Bot control-plane (desired state) + executor telemetry (state/events).
+--
+-- MVP intent:
+-- - `bot_config`: desired state (mode/market/limits/kill switch)
+-- - `bot_state`: heartbeat + last error/action
+-- - `bot_events`: append-only audit log
+CREATE TABLE IF NOT EXISTS public.bot_config (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  name TEXT NOT NULL UNIQUE,
+  market_name TEXT NOT NULL,
+  market_type TEXT NOT NULL DEFAULT 'perp',
+  mode TEXT NOT NULL DEFAULT 'off',
+  kill_switch BOOLEAN NOT NULL DEFAULT FALSE,
+  params JSONB,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+CREATE INDEX IF NOT EXISTS bot_config_updated_at_desc_idx
+  ON public.bot_config (updated_at DESC);
+
+CREATE TABLE IF NOT EXISTS public.bot_state (
+  bot_id UUID PRIMARY KEY REFERENCES public.bot_config(id) ON DELETE CASCADE,
+  last_heartbeat_at TIMESTAMPTZ,
+  last_action_at TIMESTAMPTZ,
+  last_error TEXT,
+  state JSONB,
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+CREATE INDEX IF NOT EXISTS bot_state_updated_at_desc_idx
+  ON public.bot_state (updated_at DESC);
+
+CREATE TABLE IF NOT EXISTS public.bot_events (
+  id BIGSERIAL PRIMARY KEY,
+  bot_id UUID NOT NULL REFERENCES public.bot_config(id) ON DELETE CASCADE,
+  ts TIMESTAMPTZ NOT NULL DEFAULT now(),
+  type TEXT NOT NULL,
+  payload JSONB
+);
+
+CREATE INDEX IF NOT EXISTS bot_events_bot_ts_desc_idx
+  ON public.bot_events (bot_id, ts DESC);
+
 -- Compute OHLC candles from `drift_ticks` for a symbol and bucket size.
 -- Exposed via Hasura (track function) and used by trade-api to compute indicators server-side.
 -- Hasura tracks functions only if they return SETOF a table/view type.