fix: replace deprecated fastapi query regex constraints

aisbf/routes/dashboard/settings.py

@@ -756,10 +756,10 @@ async def dashboard_users(
     page: int = Query(1, ge=1),
     limit: int = Query(25, ge=1, le=100),
     search: str = Query(None, max_length=100),
-    order_by: str = Query('created_at', regex='^(username|last_login|created_at|tier_name)$'),
-    direction: str = Query('desc', regex='^(asc|desc)$'),
-    status_filter: str = Query(None, regex='^(active|inactive)$'),
-    role_filter: str = Query(None, regex='^(admin|user)$')
+    order_by: str = Query('created_at', pattern='^(username|last_login|created_at|tier_name)$'),
+    direction: str = Query('desc', pattern='^(asc|desc)$'),
+    status_filter: str = Query(None, pattern='^(active|inactive)$'),
+    role_filter: str = Query(None, pattern='^(admin|user)$')
 ): 
     """Admin user management page"""
     auth_check = require_admin(request)

tests/routes/test_dashboard_studio.py

@@ -584,10 +584,14 @@ def test_dashboard_user_query_uses_pattern_constraints():
     route = next(route for route in dashboard_settings.router.routes if route.endpoint is dashboard_settings.dashboard_users)
     query_params = {param.name: param for param in route.dependant.query_params}
 
-    assert query_params["order_by"].field_info.json_schema_extra == {"pattern": "^(username|last_login|created_at|tier_name)$"}
-    assert query_params["direction"].field_info.json_schema_extra == {"pattern": "^(asc|desc)$"}
-    assert query_params["status_filter"].field_info.json_schema_extra == {"pattern": "^(active|inactive)$"}
-    assert query_params["role_filter"].field_info.json_schema_extra == {"pattern": "^(admin|user)$"}
+    def pattern_for(param_name):
+        metadata = query_params[param_name].field_info.metadata
+        return next((item.pattern for item in metadata if hasattr(item, "pattern")), None)
+
+    assert pattern_for("order_by") == "^(username|last_login|created_at|tier_name)$"
+    assert pattern_for("direction") == "^(asc|desc)$"
+    assert pattern_for("status_filter") == "^(active|inactive)$"
+    assert pattern_for("role_filter") == "^(admin|user)$"
 
     source = inspect.getsource(dashboard_settings.dashboard_users)
     assert "regex=" not in source