Part of epic tracebloc/backend#1106. Full spec: report §5 (mirrored on the epic; artifact https://claude.ai/code/artifact/b4b6e6a6-4d76-4e46-a668-6f4f0f944344). WS-C.3: priority semseg/object-detection/keypoint (mirrors exist, ZERO parity cases, fresh upstream churn), then 7 text formats, then tabular_regression/TSF/TTE. Every mirrored validator ends with ≥1 parity case.
Part of epic tracebloc/backend#1106. Full spec: report §5 (mirrored on the epic; artifact https://claude.ai/code/artifact/b4b6e6a6-4d76-4e46-a668-6f4f0f944344). WS-C.3: priority semseg/object-detection/keypoint (mirrors exist, ZERO parity cases, fresh upstream churn), then 7 text formats, then tabular_regression/TSF/TTE. Every mirrored validator ends with ≥1 parity case.