# REF-TASK-019 — Final consistency and regression review

**Status:** Implemented  
**Kind:** Validation and cleanup  
**Depends on:** REF-TASK-001 through REF-TASK-018

## Objective

Confirm that the refactor sequence remained behavior-preserving, coherent, and fully documented;
remove only temporary migration seams introduced by the sequence. This is not authorization for a
new general cleanup pass.

## Review checklist

- Compare final routes, OpenAPI operations/schemas, translation keys/copy, query-key values,
  environment variables, CLI commands, and scenario-ID evidence with the baseline.
- Re-run import/dependency and export inventories; reject new cycles, catch-all modules, upward
  layer imports, frontend-to-backend source imports, and provider vocabulary outside integrations.
- Check that temporary barrels/aliases are gone or justified, duplicated helpers represent the same
  invariant, and intentionally separate boundary mappings remain separate.
- Check file/test organization against the new guide and ensure no task changed what tests assert
  merely to ease restructuring.
- Recheck `docs/` for stale references and confirm `current-state.md` and `ai-handover.md` describe
  only the current continuation point. Do not edit existing specifications/ADRs to make them look
  current; use new records/cross-links where appropriate.
- Update this index's task statuses only when each task's evidence exists. Record skipped/rejected
  proposals and why; do not describe them as completed.

## Validation

Run focused checks for any seam removed, followed by the complete repository validation contract:
`pnpm quality`, all fast and real-PostgreSQL tests, production builds, documentation build/site
check, aggregate coverage, supply-chain checks, and canonical Docker/browser validation. Record the
exact commands, versions, results, hosted CI run/revision, and required artifacts. Missing hosted CI
or artifacts means ready for CI, not done.

Review the final diff for behavior changes and unrelated edits. Any discovered behavior discrepancy
is a separate bug/feature decision, not a refactor task to fold into this epic.

## Guidance / ADR

No new guidance or ADR should originate here; this task verifies the records produced earlier.