Plan 01-10 must_have #9 path-A swap-in (landed 2026-05-20 per debug session 01-10-welcome-page-missing-mark). Closes the planning-coverage gap where Plan 01-12 path-B (canonical tokens import) ran ahead of 01-10, leaving the welcome hero with a text placeholder 'Mokosh' inside the rec-bg circle instead of the canonical 2×2 woven-square mark from src/shared/brand/mokosh-mark.svg. Why Option B (Vite ?url import) over manual WAR (A) or inline SVG (C): - @crxjs/vite-plugin ^2.0.0-beta.25 auto-WARs transitively-reachable resources from extension pages — no manifest.json edit needed. - Vite default-inlines small SVGs (~600 bytes < 4096 byte default assetsInlineLimit) as data:image/svg+xml URLs in the welcome chunk — no extra HTTP request, no extra WAR entry. - Hashed asset fallback works automatically if the SVG grows past the inline limit in future revisions. - Existing font-bundling precedent (dist/assets/Lora-*.woff2 + IBMPlex*.woff2) proves the Vite + crxjs pipeline. Files modified: - src/welcome/welcome.ts — added markUrl import + populateMark() that walks [data-mokosh-slot='mark'] and injects an <img>. - src/welcome/welcome.html — added explanatory comment block; preserved the data-mokosh-slot wrapper for forward-compat (the placeholder span remains as the JS-fail-gracefully fallback). - src/welcome/welcome.css — added .welcome-hero__mark-img rule (60% sizing inside the existing styled circle wrapper). - src/welcome/copy.ts — added 'welcome.hero.mark.alt' COPY key (Russian per D-03 Sober voice). - globals.d.ts — added *.svg?url ambient module declaration (Vite recommended pattern; keeps tsconfig.json types: ['chrome'] clean by not requiring vite/client triple-slash directives). - tests/uat/extension-page-harness.ts — extended A17 with A17.8 sub-check verifying the canonical mark SVG is bundled into the welcome chunk (data URL OR file URL form) AND that the canonical viewBox='0 0 32 32' is preserved through bundling. Acceptance gates passed: - npx tsc --noEmit exit 0 - npm run build exit 0 - SKIP_BUILD=1 npm test → 150/150 GREEN - npm run test:uat → 24/24 GREEN including A17.8 - Tier-1 hook-string grep gate PASS (no FORBIDDEN_HOOK_STRINGS in production bundle). - Manifest valid JSON; web_accessible_resources auto-bundled. - Pre-checkpoint bundle gates 1/2/3: vendor pre-existing hits (JSZip + ts-ebml) confirmed identical pre-change via git stash baseline; not caused by this fix. Forward-looking deferred (out of scope): - Issue 2 dark-surface contrast (e.g. chrome.notifications icon128 may need a light-stroke variant). The welcome hero's rec-orange BG already provides high contrast with the dark ink stroke — this is correct design. Per the orchestrator's explicit constraint, light-variant mark for dark notification panels is deferred to Phase 5. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Mokosh UAT harness (Plan 01-11)
Puppeteer-driven Node script that runs 14 assertions end-to-end against a real Chrome instance loaded with the Mokosh extension. Replaces Plan 01-09 Task 5's operator-empirical functional verification (the operator retains only step 1 — build — and step 14 — brand/design acceptance).
Quick start
npm run test:uat
This builds dist-test/ (the hook-enabled bundle) and runs the harness.
Exit 0 means all 14 assertions passed. Final line: UAT harness: 14/14 assertions passed.
Local-debug mode
HEADLESS=0 npm run test:uat
Opens a real Chrome window so you can watch the picker auto-accept, the badge transitions, the popup appear, etc.
Developer iteration tricks
# Skip the production build inside assertion 0 (uses existing dist/):
SKIP_PROD_REBUILD=1 npm run test:uat
# Run the harness against an existing dist-test/ (skip npm run build:test):
npx tsx tests/uat/harness.test.ts
Assertion catalog
| # | Title | Bug class | Hook used |
|---|---|---|---|
| 0 | Production bundle has no test-hook leaks | T-1-11-01 | filesystem grep |
| 1 | SW bootstrap → setIdleMode | — | sw.evaluate |
| 2 | Toolbar onClicked-idle → REC + popup | — | triggerExtensionAction |
| 3 | Offscreen displaySurface === monitor | D-15 | __mokoshTest.getCurrentStream |
| 4 | Toolbar onClicked-recording → popup, no new offscreen | — | targets count |
| 5 | SAVE_ARCHIVE → download fires | — | downloads polling |
| 6 | BUG B: simulateUserStop → badge OFF + no recovery notif | b9eeeeb |
dispatchEvent('ended') |
| 7 | RECORDING_ERROR codec-unsupported → ERR + recovery notif | — | sendMessage |
| 8 | BUG A: onStartup → mokosh-startup- notification creates | a881bf0 |
__mokoshTest.handlers.onStartup |
| 9 | Icon file sizes meet floors | Bug A precondition | sw.evaluate(fetch) |
| 10 | Manifest has notifications + 3 icons | Bug A precondition | chrome.runtime.getManifest |
| 11 | 35s recording → segments.length >= 3 | D-13 | __mokoshTest.getSegmentCount |
| 12 | ffprobe on extracted webm exits 0 | Plan 01-08 | jszip + execFile |
| 13 | Archive shape — video + meta.json version match | Plan 01-07 | jszip |
Failure isolation
Single browser, serial assertions, bail on first failure for setup- dependent assertions (assertion 0 abort means refusing to launch a potentially-leaky bundle). Per-assertion bail keeps the diagnostic output unambiguous — see RESEARCH §5 + Plan 01-11 open-question resolution 4.
On failure, the harness dumps the last 30 lines of SW console + last 30 lines of offscreen console (captured live during the run) to stderr BEFORE rethrowing — gives you contextual triage without needing to re- run with debug logging.
Known gotchas
Locale-specific picker auto-accept
The --auto-select-desktop-capture-source=Entire screen Chrome flag
auto-accepts the screen-share picker. The string "Entire screen" is
en_US-specific. If your Chrome is set to a non-English locale, the
picker option label will differ and the auto-accept will silently fail
(picker stays open; assertion 2 times out).
Fallback: switch your Chrome user-data-dir's locale to en_US for
harness runs, OR adjust the launch arg in tests/uat/lib/launch.ts to
match your locale's equivalent string.
dev-dep Chromium binary size
puppeteer pulls a ~150 MB Chromium binary at npm install time. CI
must accept this. Production npm install --omit=dev skips it cleanly.
Xvfb is NOT required
Per Plan 01-11 RESEARCH §3 empirical probes against Chrome 148, the
--headless=new mode handles screen capture without Xvfb on Linux CI
runners. If a future Chrome regresses this, Xvfb :99 & DISPLAY=:99 npm run test:uat is the fallback.
CI runner screen-capture concern
The 35s recording assertion (A11) captures whatever is on screen during that window. CI MUST run the harness in an isolated container with no concurrent workload — see T-1-11-02 in Plan 01-11's threat model.
Real Chrome download (assertion 5 → A12)
The harness configures per-page download behavior via CDP to a fresh
os.tmpdir()/mokosh-uat-downloads-* directory; downloads are NOT
written to your real ~/Downloads. The temp directory is deleted by OS
tmpdir GC.