{"ok":true,"data":{"slug":"failed-spans","title":"Failed Spans","summary":"Use when one or more spans failed, timed out, or were cancelled and the workflow needs a deterministic handoff.","symptoms":["Trace status is failed, timed_out, or partial.","A span has status failed, timed_out, or cancelled.","Evidence references include error summaries."],"likelyCauses":["Tool handler returned a real error.","Target service rejected the request.","Input schema validation failed.","Timeout deadline expired before completion."],"checks":["Open /api/v1/aggregate/errors.","Open /api/v1/traces/{traceId}/timeline.","Inspect redacted span errorCode and errorMessageRedacted."],"commands":["platphormctl trace failed","platphormctl trace report <traceId>","platphormctl mcp validate trace"],"linkedTools":["MCP","Evals","Sandbox","Docs","Claws"],"evidenceToCollect":["failed span ID","error code","redacted error message","evidence refs","related MCP method or API route"]}}