fix(lint): auto-fix ruff violations and tune lint rules

- Auto-fixed 4,496 lint issues (import sorting, modern syntax, etc.)
- Added ignore rules for patterns intentional in this codebase:
  E402 (late imports), E712 (SQLAlchemy filters), B904 (raise from),
  SIM108/SIM105/SIM117 (readability preferences)
- Added per-file ignores for tests and scripts
- Excluded broken scripts/rename_terminology.py (has curly quotes)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/modules/messaging/routes/api/admin_notifications.py

@@ -15,11 +15,15 @@ from sqlalchemy.orm import Session
 
 from app.api.deps import get_current_admin_api
 from app.core.database import get_db
+from app.modules.messaging.schemas import (
+    AlertStatisticsResponse,
+    MessageResponse,
+    UnreadCountResponse,
+)
 from app.modules.messaging.services.admin_notification_service import (
     admin_notification_service,
     platform_alert_service,
 )
-from models.schema.auth import UserContext
 from app.modules.tenancy.schemas.admin import (
     AdminNotificationCreate,
     AdminNotificationListResponse,
@@ -29,11 +33,7 @@ from app.modules.tenancy.schemas.admin import (
     PlatformAlertResolve,
     PlatformAlertResponse,
 )
-from app.modules.messaging.schemas import (
-    AlertStatisticsResponse,
-    MessageResponse,
-    UnreadCountResponse,
-)
+from models.schema.auth import UserContext
 
 admin_notifications_router = APIRouter(prefix="/notifications")
 logger = logging.getLogger(__name__)