# WBV2-P8-003: authorize M12 provenance epoch

- task: WBV2-P8-003
- parent: WBV2-P8-002
- status: in_progress
- gap: workflow:authorize_m12_provenance_epoch
- ownerFamily: PROGRAM
- targetImplementationClass: LOCAL_BOUNDED

## 目标

Preserve 22 exact M12 originals and bind 62 unavailable records to an explicit authorized recovery baseline without calling replacements restored originals.

## 输入与范围

- Drift report: `tests/golden/corrective/rehydration/M12-manifest-sha-drift.json`
- Intake: `tests/golden/corrective/rehydration/M12-provenance-intake.json`
- Generator: `tools/web/generate-m12-provenance-epoch.mjs`

## 验收

node tools/web/generate-m12-provenance-epoch.mjs --write
node tools/web/check-task-context.mjs --task WBV2-P8-003 --write

Missing replacement, malformed provenance, unsupported source, mismatched SHA, false restored-original claim, or historical evidence rewrite must keep in_progress and must not advance nextTask.

## 交付与回滚

- Reports: `tests/golden/WBV2-P8-003/`
- Status: `docs/status/WBV2-P8-003.md`
- Manifest: `tests/golden/WBV2-P8-003/manifest.json`
- Rollback: restore P8-002 as queue parent; keep the M12 drift report unchanged.