Final state code review correction
Status: DONE
Result
PASS. The former metadata-to-byte mismatch is fixed for both daily and initial local videos: the replacement is first staged under a unique IndexedDB revision key, that key is committed in metadata only after the put succeeds, and the old referenced bytes are removed only after the metadata commit. Legacy fixed keys remain readable when old metadata has no storageKey.
Deliverables and checks
| Deliverable | Requirement or verification | Result | Evidence |
|---|---|---|---|
site/app/app.js revision-key model |
The byte referenced after reload must be the byte named by committed metadata, with legacy canonical-key fallback. | PASS | localVideoKey() falls back to the prior canonical key at app.js:8; revisionVideoKey() creates unique staged keys at app.js:9; initial and daily local reads resolve through metadata at app.js:71 and app.js:90. |
| Daily replacement | Write new bytes before metadata, preserve the old saved record on an IndexedDB or localStorage failure, then remove old bytes only after a successful metadata commit. | PASS | app.js:102 stages newKey, rolls back to reloadState() on failed metadata persistence, keeps the selected file preview-only, and calls cleanupPriorLocal() only after saveState(). The focused evidence has exact equal hashes before failure and after reload, then matching selected/new/reload hashes on success. |
| Initial replacement | The same ordering and rollback behavior applies to the initial-video path. | PASS | app.js:72 mirrors the daily sequence, and app.js:75 blocks a pending replacement from being submitted. The focused evidence reports unchanged legacy metadata and hashes after failed persistence, and matching revision-key bytes after success/reload. |
| Cleanup truthfulness | A failed staged-file cleanup must not claim it changed the saved record; a failed old-file cleanup after commit must remain visible. | PASS | app.js:32, app.js:72, and app.js:102 retain an unreferenced staged orphan when cleanup fails and disclose it. The 20-check evidence confirms both initial and daily failure branches retain the prior metadata and SHA-256 bytes across reload. |
| Scope and regressions | Exact participant/day scope, direct-exploration guard, free-feedback transitions, all 14 loops, and mobile routes remain valid. | PASS | evidence/luna-local-replacement-fix/verification.json has 20/20 passing checks with zero page errors, bad responses, and non-GET requests. verify-app-output/verification.json has 114/114 checks with zero failures. |
Summary
The correction closes the medium-severity issue from the original review. I independently traced each commit and failure path and found no new correctness defect in the bounded change.
Issues
None.
Verdict
PASS — no blocking correctness issues found in the bounded correction.
Limits or consequential decisions
This adjudication covers the local prototype state model only. It does not claim backend, authentication, upload, payment, email, or production behavior. No frontend or shared evidence files were changed during this review.