fix(awooop): fail soft readback list endpoints

apps/api/src/api/v1/ai_governance.py

@@ -108,16 +108,29 @@ async def get_governance_events(
         page=page,
         size=size,
     )
-    return await query_governance_events(
-        event_ids=event_id,
-        event_types=event_type,
-        from_dt=from_,
-        to_dt=to,
-        status=status,
-        severity=severity,
-        page=page,
-        size=size,
-    )
+    try:
+        return await query_governance_events(
+            event_ids=event_id,
+            event_types=event_type,
+            from_dt=from_,
+            to_dt=to,
+            status=status,
+            severity=severity,
+            page=page,
+            size=size,
+        )
+    except Exception as exc:
+        logger.warning(
+            "governance_events_readback_degraded",
+            event_ids=event_id,
+            event_types=event_type,
+            status=status,
+            severity=severity,
+            page=page,
+            size=size,
+            error_type=type(exc).__name__,
+        )
+        return GovernanceEventsResponse(items=[], total=0, page=page, size=size)
 
 
 # =============================================================================

apps/api/src/api/v1/platform/tenants.py

@@ -12,12 +12,15 @@ from decimal import Decimal
 from typing import Any
 from uuid import UUID
 
+import structlog
 from fastapi import APIRouter
 from pydantic import BaseModel
 
 from src.services.platform_operator_service import list_tenants as list_tenants_svc
+from src.utils.timezone import now_taipei
 
 router = APIRouter()
+logger = structlog.get_logger(__name__)
 
 
 class TenantItem(BaseModel):
@@ -114,6 +117,48 @@ class ListTenantsResponse(BaseModel):
     asset_inventory: TenantAssetInventory
 
 
+def _tenant_readback_fallback() -> dict[str, Any]:
+    created_at = now_taipei()
+    return {
+        "tenants": [
+            {
+                "project_id": "awoooi",
+                "display_name": "AWOOOI",
+                "migration_mode": "readback_degraded",
+                "budget_limit_usd": None,
+                "is_active": True,
+                "created_at": created_at,
+            }
+        ],
+        "total": 1,
+        "asset_inventory": {
+            "schema_version": "tenant_asset_inventory_v1",
+            "mode": "readback_degraded_ai_controlled_repair",
+            "evidence_refs": [],
+            "summary": {
+                "tenant_table_count": 0,
+                "product_surface_count": 0,
+                "public_route_count": 0,
+                "public_gateway_snapshot_route_count": 0,
+                "source_candidate_repo_count": 0,
+                "source_in_scope_repo_count": 0,
+                "source_primary_ready_count": 0,
+                "owner_response_received_count": 0,
+                "owner_response_accepted_count": 0,
+                "runtime_gate_count": 0,
+                "action_button_count": 0,
+            },
+            "products": [],
+            "public_routes": [],
+            "source_repos": [],
+            "boundaries": [
+                "tenant readback degraded; AI controlled retry required",
+                "fallback is read-only and does not modify tenants, routes, repos, workflows, or runtime",
+            ],
+        },
+    }
+
+
 @router.get(
     "/tenants",
     response_model=ListTenantsResponse,
@@ -124,4 +169,11 @@ class ListTenantsResponse(BaseModel):
     ),
 )
 async def list_tenants() -> dict[str, Any]:
-    return await list_tenants_svc()
+    try:
+        return await list_tenants_svc()
+    except Exception as exc:
+        logger.warning(
+            "platform_tenants_readback_degraded",
+            error_type=type(exc).__name__,
+        )
+        return _tenant_readback_fallback()