feat: add audit logging for admin trash restore/purge and notification clear actions

- Record audit events in `admin_trash_restore` and `admin_trash_purge` endpoints with target metadata
- Log `notification.read.all` event when user clears devRant notification feed
- Include `devrant` as a valid origin in audit categories
- Add `admin_section` and `pagination_query` fields to audit and backup schemas for UI consistency

devplacepy/routers/devrant/notifs.py

@@ -8,6 +8,7 @@ from devplacepy.services.devrant.params import merge_params
 from devplacepy.services.devrant.tokens import resolve_user
 from devplacepy.services.devrant.notifications import build_notif_feed, clear_notifications
 from devplacepy.routers.devrant._shared import dr_ok, unauthorized
+from devplacepy.services.audit import record as audit
 
 logger = logging.getLogger(__name__)
 router = APIRouter()
@@ -29,4 +30,11 @@ async def clear_notif_feed(request: Request):
     if not user:
         return unauthorized()
     clear_notifications(user)
+    audit.record(
+        request,
+        "notification.read.all",
+        user=user,
+        origin="devrant",
+        summary=f"{user['username']} cleared all notifications",
+    )
     return dr_ok()