feat: add bgp observability and admin ui improvements

backend/app/api/v1/datasource_config.py

@@ -14,6 +14,7 @@ from app.models.user import User
 from app.models.datasource_config import DataSourceConfig
 from app.core.security import get_current_user
 from app.core.cache import cache
+from app.core.time import to_iso8601_utc
 
 router = APIRouter()
 
@@ -123,8 +124,8 @@ async def list_configs(
                 "headers": c.headers,
                 "config": c.config,
                 "is_active": c.is_active,
-                "created_at": c.created_at.isoformat() if c.created_at else None,
-                "updated_at": c.updated_at.isoformat() if c.updated_at else None,
+                "created_at": to_iso8601_utc(c.created_at),
+                "updated_at": to_iso8601_utc(c.updated_at),
             }
             for c in configs
         ],
@@ -155,8 +156,8 @@ async def get_config(
         "headers": config.headers,
         "config": config.config,
         "is_active": config.is_active,
-        "created_at": config.created_at.isoformat() if config.created_at else None,
-        "updated_at": config.updated_at.isoformat() if config.updated_at else None,
+        "created_at": to_iso8601_utc(config.created_at),
+        "updated_at": to_iso8601_utc(config.updated_at),
     }