feat(dev): add visualizer __start helper

apps/visualizer/__start

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+ROOT_DIR="$(cd "${SCRIPT_DIR}/../.." && pwd)"
+
+cd "${SCRIPT_DIR}"
+
+export API_PROXY_TARGET="${API_PROXY_TARGET:-https://trade.mpabi.pl}"
+export GRAPHQL_PROXY_TARGET="${GRAPHQL_PROXY_TARGET:-https://trade.mpabi.pl}"
+export VITE_API_URL="${VITE_API_URL:-/api}"
+export VITE_HASURA_URL="${VITE_HASURA_URL:-/graphql}"
+export VITE_HASURA_WS_URL="${VITE_HASURA_WS_URL:-/graphql-ws}"
+
+if [[ -z "${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