feat: add bgp observability and admin ui improvements

backend/app/api/v1/tasks.py

@@ -1,4 +1,4 @@
-from datetime import datetime
+from datetime import UTC, datetime
 from typing import Optional
 
 from fastapi import APIRouter, Depends, HTTPException, status
@@ -8,6 +8,7 @@ from sqlalchemy import text
 from app.db.session import get_db
 from app.models.user import User
 from app.core.security import get_current_user
+from app.core.time import to_iso8601_utc
 from app.services.collectors.registry import collector_registry
 
 
@@ -61,8 +62,8 @@ async def list_tasks(
                 "datasource_id": t[1],
                 "datasource_name": t[2],
                 "status": t[3],
-                "started_at": t[4].isoformat() if t[4] else None,
-                "completed_at": t[5].isoformat() if t[5] else None,
+                "started_at": to_iso8601_utc(t[4]),
+                "completed_at": to_iso8601_utc(t[5]),
                 "records_processed": t[6],
                 "error_message": t[7],
             }
@@ -100,8 +101,8 @@ async def get_task(
         "datasource_id": task[1],
         "datasource_name": task[2],
         "status": task[3],
-        "started_at": task[4].isoformat() if task[4] else None,
-        "completed_at": task[5].isoformat() if task[5] else None,
+        "started_at": to_iso8601_utc(task[4]),
+        "completed_at": to_iso8601_utc(task[5]),
         "records_processed": task[6],
         "error_message": task[7],
     }
@@ -147,8 +148,8 @@ async def trigger_collection(
             "status": result.get("status", "unknown"),
             "records_processed": result.get("records_processed", 0),
             "error_message": result.get("error"),
-            "started_at": datetime.utcnow(),
-            "completed_at": datetime.utcnow(),
+            "started_at": datetime.now(UTC),
+            "completed_at": datetime.now(UTC),
         },
     )