Connecting to local inference server from Roboflow Workflow web page

### Search before asking - [x] I have searched the Inference [issues](https://github.com/roboflow/inference/issues) and found no similar bug report. ### Bug {"positional_args": ["AssertionError", "AssertionError('this is a bug! please report it')"], "event": "%s: %s", "request_id": "685761981a0046fcafda7fb432d66c1e", "timestamp": "2026-02-06 11:36.29", "exception": {"type": "AssertionError", "message": "this is a bug! please report it", "stacktrace": [{"filename": "C:\\Users\\martt\\AppData\\Local\\RoboflowInference\\_internal\\inference\\core\\interfaces\\http\\error_handlers.py", "lineno": 83, "function": "wrapped_route", "code": "return route(*args, **kwargs)"}, {"filename": "C:\\Users\\martt\\AppData\\Local\\RoboflowInference\\_internal\\inference\\core\\interfaces\\http\\http_api.py", "lineno": 1382, "function": "describe_workflows_blocks", "code": "result = handle_describe_workflows_blocks_request("}, {"filename": "C:\\Users\\martt\\AppData\\Local\\RoboflowInference\\_internal\\inference\\core\\interfaces\\http\\handlers\\workflows.py", "lineno": 86, "function": "handle_describe_workflows_blocks_request", "code": "uql_operations_descriptions = prepare_operations_descriptions()"}, {"filename": "C:\\Users\\martt\\AppData\\Local\\RoboflowInference\\_internal\\inference\\core\\workflows\\core_steps\\common\\query_language\\introspection\\core.py", "lineno": 29, "function": "prepare_operations_descriptions", "code": "operations_chain_schema = OperationsChain.schema()"}, {"filename": "pydantic\\main.py", "lineno": 1539, "function": "schema", "code": ""}, {"filename": "pydantic\\main.py", "lineno": 555, "function": "model_json_schema", "code": ""}, {"filename": "pydantic\\json_schema.py", "lineno": 2412, "function": "model_json_schema", "code": ""}]}, "filename": "error_handlers.py", "func_name": "wrapped_route", "lineno": 382} Traceback (most recent call last): File "C:\Users\martt\AppData\Local\RoboflowInference\_internal\inference\core\interfaces\http\error_handlers.py", line 83, in wrapped_route return route(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\martt\AppData\Local\RoboflowInference\_internal\inference\core\interfaces\http\http_api.py", line 1382, in describe_workflows_blocks result = handle_describe_workflows_blocks_request( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\martt\AppData\Local\RoboflowInference\_internal\inference\core\interfaces\http\handlers\workflows.py", line 86, in handle_describe_workflows_blocks_request uql_operations_descriptions = prepare_operations_descriptions() ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\martt\AppData\Local\RoboflowInference\_internal\inference\core\workflows\core_steps\common\query_language\introspection\core.py", line 29, in prepare_operations_descriptions operations_chain_schema = OperationsChain.schema() ^^^^^^^^^^^^^^^^^^^^^^^^ File "pydantic\main.py", line 1539, in schema File "pydantic\main.py", line 555, in model_json_schema File "pydantic\json_schema.py", line 2412, in model_json_schema AssertionError: this is a bug! please report it ### Environment - OS: Windows 11 - Inference: Version: 0.64.6 ### Minimal Reproducible Example _No response_ ### Additional _No response_ ### Are you willing to submit a PR? - [ ] Yes I'd like to help by submitting a PR!