Waiter PWA fixes, and extra feautures. Also added Emergency Mode, search etc

local_backend/routers/flags.py

@@ -7,6 +7,7 @@ from models.flag import TableFlagDef, TableFlagAssignment
 from schemas.flag import FlagDefCreate, FlagDefUpdate, FlagDefOut, FlagAssignmentOut, SetTableFlagsRequest
 from routers.deps import get_current_user, require_manager
 from models.user import User
+from services.sse_bus import broadcast_sync
 
 router = APIRouter()
 
@@ -124,9 +125,11 @@ def set_table_flags(
         ))
 
     db.commit()
-    return db.query(TableFlagAssignment).filter(
+    result = db.query(TableFlagAssignment).filter(
         TableFlagAssignment.table_id == table_id
     ).all()
+    broadcast_sync("table_flags_changed", {"table_id": table_id, "flag_ids": body.flag_ids})
+    return result
 
 
 @router.delete("/table/{table_id}/all", status_code=status.HTTP_204_NO_CONTENT)
@@ -139,3 +142,4 @@ def clear_table_flags(
         TableFlagAssignment.table_id == table_id
     ).delete(synchronize_session=False)
     db.commit()
+    broadcast_sync("table_flags_changed", {"table_id": table_id, "flag_ids": []})