chore: fix all ruff lint errors + format — 0 errors, 306 tests pass

app/core/notifications.py

@@ -3,9 +3,10 @@
 from __future__ import annotations
 
 import uuid
+from datetime import UTC
 from typing import Any
 
-from sqlalchemy import select, func, update
+from sqlalchemy import func, select, update
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.models.notification import Notification
@@ -42,9 +43,13 @@ async def list_notifications(
     """List notifications for a user, unread first, then by created_at desc."""
     offset = (page - 1) * page_size
     # Count total
-    count_q = select(func.count()).select_from(Notification).where(
-        Notification.tenant_id == tenant_id,
-        Notification.user_id == user_id,
+    count_q = (
+        select(func.count())
+        .select_from(Notification)
+        .where(
+            Notification.tenant_id == tenant_id,
+            Notification.user_id == user_id,
+        )
     )
     total = (await db.execute(count_q)).scalar() or 0
 
@@ -80,7 +85,8 @@ async def mark_notification_read(
     notification_id: uuid.UUID,
 ) -> Notification | None:
     """Mark a notification as read."""
-    from datetime import datetime, timezone
+    from datetime import datetime
+
     q = (
         update(Notification)
         .where(
@@ -88,7 +94,7 @@ async def mark_notification_read(
             Notification.tenant_id == tenant_id,
             Notification.user_id == user_id,
         )
-        .values(read_at=datetime.now(timezone.utc))
+        .values(read_at=datetime.now(UTC))
         .returning(Notification)
     )
     result = await db.execute(q)
@@ -102,10 +108,14 @@ async def get_unread_count(
     user_id: uuid.UUID,
 ) -> int:
     """Get unread notification count for a user."""
-    q = select(func.count()).select_from(Notification).where(
-        Notification.tenant_id == tenant_id,
-        Notification.user_id == user_id,
-        Notification.read_at.is_(None),
+    q = (
+        select(func.count())
+        .select_from(Notification)
+        .where(
+            Notification.tenant_id == tenant_id,
+            Notification.user_id == user_id,
+            Notification.read_at.is_(None),
+        )
     )
     result = await db.execute(q)
     return result.scalar() or 0