complete admin notifications data explorer

app/api/cars.py

@@ -1,5 +1,5 @@
 from fastapi import APIRouter, Depends, HTTPException, status
-from sqlalchemy import select
+from sqlalchemy import func, select
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.api.deps import get_current_telegram_user
@@ -7,6 +7,7 @@ from app.db.session import get_session
 from app.models.car import Car, VehicleAccess
 from app.models.user import User
 from app.schemas.car import CarCreate, CarRead, CarUpdate
+from app.services.admin_notifications import create_admin_notification
 from app.services.odometer import add_odometer_history, validate_odometer_change
 from app.services.vehicle_identity import normalize_license_plate, validate_vin
 
@@ -42,6 +43,28 @@ async def create_car(
             source_record_id=None,
             changed_by=current_user.id,
         )
+    vehicle_count = int(
+        (await session.execute(select(func.count(Car.id)).where(Car.owner_id == current_user.id))).scalar_one()
+        or 0
+    )
+    if vehicle_count == 1:
+        await create_admin_notification(
+            session,
+            event_type="vehicle_created",
+            title="Пользователь впервые добавил авто",
+            body="\n".join(
+                [
+                    f"User ID: {current_user.id}",
+                    f"Telegram ID: {current_user.telegram_id}",
+                    f"Авто: {car.name}",
+                    f"Пробег: {car.current_odometer or '-'}",
+                ]
+            ),
+            entity_type="vehicle",
+            entity_id=car.id,
+            idempotency_key=f"vehicle_created:{current_user.id}",
+            metadata={"user_id": current_user.id, "vehicle_id": car.id},
+        )
     await session.commit()
     await session.refresh(car)
     return car