Run live migration smoke in Docker runtime

scripts/live_migration_smoke.sh

@@ -3,6 +3,87 @@ set -euo pipefail
 
 ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
 PYTHON_BIN="${PYTHON_BIN:-}"
+LIVE_SMOKE_USE_DOCKER="${LIVE_SMOKE_USE_DOCKER:-auto}"
+
+run_docker_smoke() {
+  cd "$ROOT"
+
+  echo "== GeoIntel live migration smoke =="
+  echo "Using Docker Compose backend service."
+
+  docker compose exec -T backend sh <<'CONTAINER_SCRIPT'
+set -eu
+cd /app
+
+echo "Database URL is read from backend container settings / DATABASE_URL."
+
+python - <<'PY'
+from sqlalchemy import text
+
+from app.db.session import get_engine
+
+with get_engine().connect() as connection:
+    connection.execute(text("SELECT 1"))
+    print("Database connection: ok")
+PY
+
+python -m alembic upgrade head
+
+python - <<'PY'
+from sqlalchemy import text
+
+from app.db.session import get_engine
+
+required_objects = [
+    "public.projects",
+    "public.areas",
+    "public.datasets",
+    "public.jobs",
+    "public.vector_features",
+    "public.quality_checks",
+    "public.metrics",
+    "public.analysis_runs",
+    "public.detections",
+    "public.segmentations",
+    "public.ix_vector_features_geometry",
+    "public.ix_detections_geometry",
+    "public.ix_segmentations_geometry",
+]
+
+with get_engine().connect() as connection:
+    postgis_version = connection.execute(text("SELECT PostGIS_Version()")).scalar()
+    print(f"PostGIS version: {postgis_version}")
+
+    missing = [
+        object_name
+        for object_name in required_objects
+        if connection.execute(text("SELECT to_regclass(:object_name)"), {"object_name": object_name}).scalar() is None
+    ]
+    if missing:
+        raise SystemExit(f"Missing expected migrated schema objects: {', '.join(missing)}")
+    print("Required runtime schema objects: ok")
+PY
+
+HEAD_COUNT="$(python -m alembic heads | grep -c 'head')"
+if [ "$HEAD_COUNT" -ne 1 ]; then
+  echo "Expected exactly one Alembic head, found $HEAD_COUNT" >&2
+  python -m alembic heads >&2
+  exit 1
+fi
+
+python -m alembic heads
+echo "== Live migration smoke passed =="
+CONTAINER_SCRIPT
+}
+
+if [ "$LIVE_SMOKE_USE_DOCKER" != "0" ] && command -v docker >/dev/null 2>&1 && [ -f "$ROOT/docker-compose.yml" ]; then
+  if docker compose ps -q backend >/dev/null 2>&1 && [ -n "$(docker compose ps -q backend 2>/dev/null)" ]; then
+    if [ "$LIVE_SMOKE_USE_DOCKER" = "1" ] || docker compose ps --status running backend | grep -q backend; then
+      run_docker_smoke
+      exit 0
+    fi
+  fi
+fi
 
 if [ -z "$PYTHON_BIN" ]; then
   for candidate in python3 python.exe python; do