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CleanMM/Docs/Execution/Execution-Credibility-Gate-Review-2026-03-12.md

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# Execution Credibility Gate Review
## Gate
- `Smart Clean Execution Credibility`
## Review Date
- `2026-03-12`
## Scope Reviewed
- `ATL-211` additional safe-target execution coverage
- `ATL-212` structured executable targets through the worker path
- `ATL-215` execution credibility gate review
## Readiness Checklist
- [x] Required P0 tasks complete
- [x] Docs updated
- [x] Risks reviewed
- [x] Open questions below threshold
- [x] Next-stage inputs available
## Evidence Reviewed
- `Docs/Execution/Execution-Chain-Audit-2026-03-09.md`
- `Docs/Execution/Smart-Clean-Execution-Coverage-2026-03-09.md`
- `Packages/AtlasInfrastructure/Tests/AtlasInfrastructureTests/AtlasInfrastructureTests.swift`
- `Packages/AtlasProtocol/Tests/AtlasProtocolTests/AtlasProtocolTests.swift`
- `Packages/AtlasApplication/Tests/AtlasApplicationTests/AtlasApplicationTests.swift`
## Automated Validation Summary
- `swift test --package-path Packages` — pass
- `swift test --package-path Apps` — pass
## Gate Assessment
### ATL-212 Structured Target Contract
- Smart Clean `ActionItem` payloads now carry structured `targetPaths`.
- `plan.execute` now prefers plan-carried targets instead of reconstructing destructive intent from the snapshot alone.
- Recovery items can now use restore mappings to preserve the real original path even when execution was driven by plan-carried targets.
### ATL-211 Coverage Increment
- This slice keeps the previously shipped safe direct-trash subset and does not expand execution into `Library/Containers`.
- File-backed contract tests prove `scan -> execute -> rescan` improvement for:
- `~/Library/Caches/*`
- `~/Library/pnpm/store/*`
### Truthfulness Check
- History summaries still derive from the actual worker task result.
- Smart Clean only records recovery entries when a real Trash move happened or a restore mapping exists.
- Unsupported or review-only targets remain fail-closed or skipped as review-only instead of being claimed as cleaned.
## Remaining Limits
- `Library/Containers` cleanup is still unsupported in the direct-trash path because the worker does not yet mirror the upstream protected-container filters.
- `Group Containers` cleanup is still unsupported in the direct-trash path.
- Broader `System` cleanup and aggregated dry-run-only findings still fail closed unless they resolve to the supported structured targets.
- This change did not add a new packaged-app manual verification pass; the evidence here is test-backed.
## Decision
- `Pass with Conditions`
## Conditions
- Release-facing copy must continue to distinguish supported vs unsupported Smart Clean paths.
- External release validation should still rerun manual packaged `scan -> execute -> rescan` flows for the supported target classes.
## Follow-up Actions
- Only add container cleanup support after the worker can enforce the same protected-container rules as the upstream cleanup runtime.
- Evaluate the next safe Smart Clean increment only if it preserves explicit restore semantics and fail-closed behavior.