Sudden issue in Kimi Code: Failing built-in tool call

[cedar anchor]

{
  "jsonrpc":"2.0","id":"2_1773251999098",
  "error":{
    "code":-32003,
    "message":"Error code: 400 - {'error': {'message': \"an assistant message with 'tool_calls' must be followed by tool messages responding to each 'tool_call_id'. The following tool_call_ids did not have response messages: Shell:267\", 'type': 'invalid_request_error'}}",
    "data":null
  }
}

It's been making tool calls on its own without issue, but now it can't get past this.

[cedar anchor]

Looks like the context's shell call was left without a response (probably hung, and I manually cancelled)