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Localhost Codex Task Handoff Step 4 Implementation Summary

Stage 1 - Local Eligibility And Authorization

  • Changes:

    • Added Application::viewerCanUseCodexHandoff() to require an approved viewer and a local request.

    • Added Application::requestIsLocalhost() for direct localhost host detection with CLI/local-address fallback and no proxy-header trust.

    • Added smoke coverage for approved localhost, unapproved localhost, missing identity, explicit non-local host, and local remote-address fallback.

  • Verification:

    • php -l src/ForumRewrite/Application.php passed.

    • php -l tests/LocalAppSmokeTest.php passed.

    • php tests/run.php LocalAppSmokeTest::testCodexHandoffEligibilityRequiresApprovedLocalhostViewer passed.

  • Notes:

    • Host headers take precedence over remote address so a non-local public host is not treated as local because of proxy/server address details.

Stage 2 - Durable Handoff State

  • Changes:

    • Added CodexHandoffStore with a dedicated codex_handoffs SQLite table and indexes.

    • Added current-post-content dedupe, handoff lookup, explicit lifecycle statuses, timestamp hydration, and guarded status transitions.

    • Added focused store tests and registered them in the test runner.

  • Verification:

    • php -l src/ForumRewrite/Codex/CodexHandoffStore.php passed.

    • php -l tests/CodexHandoffStoreTest.php passed.

    • php -l tests/run.php passed.

    • php tests/run.php CodexHandoffStoreTest passed.

  • Notes:

    • Stage 2 intentionally keeps the handoff store separate from agent-reply generation state so code automation cannot be confused with public reply publishing.

Stage 3 - Handoff Draft Preparation

  • Changes:

    • Added CodexHandoffDraftService to prepare a user story, FDP Step 1 solution assessment, implementation-confidence summary, and combined draft text.

    • Kept drafting deterministic and side-effect free so no Codex execution or live provider call starts during draft preparation.

    • Added focused draft-service tests and registered them in the test runner.

  • Verification:

    • php -l src/ForumRewrite/Codex/CodexHandoffDraftService.php passed.

    • php -l tests/CodexHandoffDraftServiceTest.php passed.

    • php -l tests/run.php passed.

    • php tests/run.php CodexHandoffDraftServiceTest passed.

  • Notes:

    • Confidence wording is heuristic for V1 and intentionally conservative when requests mention execution, authorization, approval, security, schema, or audit concerns.

Stage 4 - Handoff Request And Approval APIs

  • Changes:

    • Added /api/codex_handoff for approved-localhost handoff creation and lookup.

    • Added /api/codex_handoff_approval for explicit approve/reject decisions after a draft is ready.

    • Wired handoff creation to persist state and prepare a draft without starting Codex execution.

    • Added API index entries and focused write/API smoke coverage.

  • Verification:

    • php -l src/ForumRewrite/Application.php passed.

    • php -l tests/WriteApiSmokeTest.php passed.

    • php tests/run.php WriteApiSmokeTest::testCodexHandoffApiRequiresApprovedLocalhostAndPreparesDraft WriteApiSmokeTest::testCodexHandoffApiRejectsNonLocalhostAndSupportsRejectDecision passed.

  • Notes:

    • Approval is intentionally accepted only from draft_ready; a duplicate approval returns an API error instead of silently re-approving.

Stage 5 - Handoff UI Rendering

  • Changes:

    • Passed Codex handoff eligibility and current handoff state into thread and post render contexts.

    • Added a distinct Handoff to Codex action on eligible post and thread-root cards.

    • Added durable status feedback and a draft preview surface with user story, confidence, FDP Step 1 text, and approve/reject controls.

    • Added small CSS for handoff feedback and preview sizing.

  • Verification:

    • php -l src/ForumRewrite/Application.php passed.

    • php -l templates/partials/post_card.php passed.

    • php -l templates/partials/thread_root_card.php passed.

    • php -l tests/WriteApiSmokeTest.php passed.

    • php tests/run.php WriteApiSmokeTest::testApprovedLocalhostViewerSeesCodexHandoffButtonAndPreviewAfterDraft passed.

    • php tests/run.php WriteApiSmokeTest::testCodexHandoffApiRequiresApprovedLocalhostAndPreparesDraft WriteApiSmokeTest::testCodexHandoffApiRejectsNonLocalhostAndSupportsRejectDecision passed.

  • Notes:

    • The card action remains compact; detailed review lives in the expandable preview surface.

Stage 6 - Browser Handoff Actions

  • Changes:

    • Extended post_analysis.js with Codex handoff request and approve/reject fetch helpers.

    • Added duplicate-click guards, feedback state updates, dynamic draft preview rendering, and decision-button rebinding.

    • Added source-level JS assertions and Node syntax coverage through the existing write smoke test style.

  • Verification:

    • node --check public/assets/post_analysis.js passed.

    • php -l tests/WriteApiSmokeTest.php passed.

    • php tests/run.php WriteApiSmokeTest::testPostAnalysisScriptDoesNotExposeInProgressReplyGeneration WriteApiSmokeTest::testPostAnalysisScriptBindsCodexHandoffActions passed.

    • php tests/run.php WriteApiSmokeTest::testApprovedLocalhostViewerSeesCodexHandoffButtonAndPreviewAfterDraft passed.

  • Notes:

    • The browser creates or updates the in-card preview from the API response; it does not start Codex execution.

Stage 7 - Activity Audit Trail

  • Changes:

    • Added durable codex_handoff_events records for handoff lifecycle transitions.

    • Mirrored handoff events into the existing activity table when activity is available.

    • Extended read-model rebuild to repopulate Codex handoff activity rows from durable handoff events.

    • Added smoke coverage for request, draft-ready, and approved activity entries before and after rebuild.

  • Verification:

    • php -l src/ForumRewrite/Codex/CodexHandoffStore.php passed.

    • php -l src/ForumRewrite/ReadModel/ReadModelBuilder.php passed.

    • php -l tests/WriteApiSmokeTest.php passed.

    • php tests/run.php CodexHandoffStoreTest WriteApiSmokeTest::testCodexHandoffLifecycleAppearsInActivityAndSurvivesRebuild passed.

  • Notes:

    • Activity entries summarize handoff state and origin post only; draft text, prompts, paths, and runner output stay out of activity.

Stage 8 - Local Codex Runner Command

  • Changes:

    • Added CodexHandoffStore::claimNextApproved() to atomically claim approved handoffs as running.

    • Added CodexHandoffRunner to execute approved handoff drafts with codex exec --json --sandbox workspace-write.

    • Added scripts/run_codex_handoffs.php with --limit, --dry-run, --quiet, --database-path, --project-root, and --codex-bin options.

    • Added ./v3 codex-handoff run and ./v3 codex-handoff test-local wrapper commands.

    • Added focused runner and command tests using a fake Codex executable.

  • Verification:

    • php -l src/ForumRewrite/Codex/CodexHandoffStore.php passed.

    • php -l src/ForumRewrite/Codex/CodexHandoffRunner.php passed.

    • php -l scripts/run_codex_handoffs.php passed.

    • bash -n v3 passed.

    • php -l tests/CodexHandoffRunnerTest.php passed.

    • php -l tests/run.php passed.

    • php tests/run.php CodexHandoffRunnerTest passed.

    • php tests/run.php CodexHandoffStoreTest passed.

    • ./v3 codex-handoff test-local passed.

  • Notes:

    • The runner is explicit and local-only: browser approval moves a handoff to approved, and a separate localhost command performs Codex execution.

Final Step 4 Verification

  • Stage coverage:

    • All eight approved implementation stages were completed.

    • The first Step 4 commit is the approved Step 1-3 planning commit: ac80821 Plan localhost Codex task handoff.

    • Each planned stage has a stage-scoped implementation commit after the planning commit.

  • Behavior coverage:

    • Approved localhost users can request a Codex handoff from normal post/thread UI controls.

    • The UI presents the generated user story, FDP Step 1 draft, confidence summary, and approve/reject controls before execution.

    • Handoff lifecycle events are available in activity.

    • Approved handoffs are executed only through the explicit local CLI path: ./v3 codex-handoff run.

  • Verification:

    • git log --oneline --max-count=12 showed one planning commit plus eight stage commits.

    • PHP syntax checks passed for touched application, Codex, read-model, template, script, and test files.

    • node --check public/assets/post_analysis.js passed.

    • bash -n v3 passed.

    • ./v3 codex-handoff test-local passed.

    • php tests/run.php LocalAppSmokeTest::testAssetFingerprintPathsUseContentHashFilenames LocalAppSmokeTest::testAssetFingerprintCopySkipsAlreadyFingerprintedSourceFiles LocalAppSmokeTest::testStaticArtifactBuilderWritesApacheFriendlyArtifactLayout passed.

  • Notes:

    • The full test suite was started, but the interrupted run exposed provider/config expectation failures outside the Codex handoff path before completion.

    • Static artifact warnings from recursively fingerprinted ignored assets were fixed by skipping already-fingerprinted source asset names during asset copying.