diff --git a/apps/api/src/services/iwooos_security_asset_control_plane.py b/apps/api/src/services/iwooos_security_asset_control_plane.py
index 16640878c..79644b691 100644
--- a/apps/api/src/services/iwooos_security_asset_control_plane.py
+++ b/apps/api/src/services/iwooos_security_asset_control_plane.py
@@ -616,6 +616,7 @@ def build_iwooos_security_asset_control_plane(
     ai_trace_row: Any,
     siem_row: Any,
     audit_row: Any,
+    source_health: Iterable[dict[str, Any]] | None = None,
     generated_at: datetime | None = None,
 ) -> dict[str, Any]:
     """Build a public-safe aggregate without exposing raw asset or event identities."""
@@ -624,6 +625,20 @@ def build_iwooos_security_asset_control_plane(
     coverage_source = list(coverage_rows)
     compliance_source = list(compliance_rows)
     automation_source = list(automation_rows)
+    source_health_rows = list(source_health or [])
+    unavailable_sources = [
+        row for row in source_health_rows if row.get("status") != "ready"
+    ]
+    core_source_unavailable = any(
+        row.get("source_id") in {"asset_discovery", "asset_inventory"}
+        for row in unavailable_sources
+    )
+    if core_source_unavailable:
+        source_status = "live_database_unavailable"
+    elif unavailable_sources:
+        source_status = "live_database_partial"
+    else:
+        source_status = "live_database_aggregate"
 
     by_type = {
         str(_value(row, "asset_type", "unknown")): int(_value(row, "cnt", 0) or 0)
@@ -831,6 +846,17 @@ def build_iwooos_security_asset_control_plane(
     )
 
     work_items: list[dict[str, Any]] = []
+    if unavailable_sources:
+        work_items.append(
+            _work_item(
+                "AIA-P0-006-00",
+                "P0",
+                "source_health",
+                "修復控制平面資料源",
+                len(unavailable_sources),
+                "依 source_health reason code 修復 schema、權限或資料源相容性。",
+            )
+        )
     if asset_total == 0 or not discovery_fresh:
         work_items.append(
             _work_item(
@@ -947,9 +973,16 @@ def build_iwooos_security_asset_control_plane(
     return {
         "schema_version": _SCHEMA_VERSION,
         "generated_at": now.isoformat(),
-        "status": "ready" if asset_total > 0 and discovery_fresh else "degraded",
-        "source_status": "live_database_aggregate",
+        "status": (
+            "ready"
+            if asset_total > 0 and discovery_fresh and not unavailable_sources
+            else "degraded"
+        ),
+        "source_status": source_status,
         "summary": {
+            "source_count": len(source_health_rows),
+            "ready_source_count": len(source_health_rows) - len(unavailable_sources),
+            "unavailable_source_count": len(unavailable_sources),
             "managed_asset_count": asset_total,
             "expected_asset_type_count": len(_ASSET_TYPES),
             "present_asset_type_count": len(present_types),
@@ -1010,6 +1043,7 @@ def build_iwooos_security_asset_control_plane(
             "same_run_closed_loop_count": 0,
         },
         "security_audit": audit,
+        "source_health": source_health_rows,
         "work_items": work_items,
         "boundaries": {
             "aggregate_only": True,
@@ -1239,7 +1273,7 @@ class IwoooSSecurityAssetControlPlaneService:
             )
 
     async def _load_snapshot(self) -> dict[str, Any]:
-        async with get_db_context() as db:
+        async with get_db_context("awoooi") as db:
             discovery_result = await db.execute(
                 _sql(
                     """
diff --git a/apps/api/tests/test_iwooos_security_asset_control_plane.py b/apps/api/tests/test_iwooos_security_asset_control_plane.py
index 2883db591..f6db4f084 100644
--- a/apps/api/tests/test_iwooos_security_asset_control_plane.py
+++ b/apps/api/tests/test_iwooos_security_asset_control_plane.py
@@ -230,6 +230,32 @@ def test_service_redacts_database_exception_details(monkeypatch) -> None:
     assert "private-host" not in text
 
 
+def test_service_uses_canonical_awoooi_project_scope(monkeypatch) -> None:
+    service = IwoooSSecurityAssetControlPlaneService()
+    requested_projects: list[str] = []
+
+    class FailingContext:
+        async def __aenter__(self):
+            raise RuntimeError("stop after project scope capture")
+
+        async def __aexit__(self, exc_type, exc, traceback):
+            return False
+
+    def fake_db_context(project_id: str):
+        requested_projects.append(project_id)
+        return FailingContext()
+
+    monkeypatch.setattr(
+        "src.services.iwooos_security_asset_control_plane.get_db_context",
+        fake_db_context,
+    )
+    payload = asyncio.run(service.get_snapshot())
+
+    assert requested_projects == ["awoooi"]
+    assert payload["status"] == "degraded"
+    assert payload["reason_code"] == "database_query_failed"
+
+
 def test_public_api_returns_live_aggregate(monkeypatch) -> None:
     payload = _ready_payload()