tiennm99 ee71bf041d fix: address pass-2 review findings (PWA + CSP + copy)
P0:
- CSP `script-src` was 'self' only, but SvelteKit's static export
  emits a small inline bootstrap script. Without 'unsafe-inline' the
  entire app silently fails under Cloudflare Pages CSP enforcement.
  Verified by inspecting the built index.html.
- manifest `background_color` was the dark base (#0a0f1f); for the
  ~50% of users on light mode that gave a dark splash flash on every
  install/launch. Switch to #f8fafc to match the default light theme.
- <title> bare "Lô tô" mismatched manifest name "Lô tô — Hội chợ TN1";
  align both to the same string so OS install prompt + browser tab
  match.

Medium:
- Audio runtime cache `cacheableResponse.statuses` was [0, 200].
  Audio is same-origin, so opaque (0) responses can never legitimately
  appear; tightening to [200] removes a CDN-poisoning replay window.
- Voice hint copy: "Đọc số đã xổ + báo Chờ/Kinh khi ở Cả hai" was
  shown in master-only mode too, where the hint is wrong (no player
  board → no Chờ/Kinh). Split copy per mode.

Cosmetic:
- Drop `includeAssets: ["icons/*.png", "audio/**/*.mp3"]` — both are
  already in static/, so the option was a no-op.
- Replace `defaultVoiceId` fallback `"hoai-my"` with a hard read; the
  manifest is committed and authoritative — duplicate fallbacks just
  invite drift if the manifest ever rotates.

Verified: npm test 115/115; npm run build clean (305 precache entries,
no glob warnings); npm audit 0 vulnerabilities.

Reports: plans/reports/{code-reviewer,ui-ux-designer,security}-260427-2047-pass2-full.md
2026-04-27 20:53:53 +07:00
2026-04-26 19:16:46 +07:00

Lô tô

Bàn số của trò chơi "Lô tô" — SvelteKit app.

Single page (/). The host enables "Chế độ quản trò" in settings to reveal the master panel inline below their player card; called numbers get spoken aloud in Vietnamese using bundled MP3 clips (no runtime TTS).

See docs/ for architecture, code standards, and deployment.

Development

npm install
npm run dev

Inside code-server (reverse proxy)

cp .env.example .env.local
# edit .env.local: set CODESERVER_HOST and CODESERVER_PORT
npm run dev:codeserver

Open https://<CODESERVER_HOST>/absproxy/<CODESERVER_PORT>/.

Use /absproxy/{port}/, not /proxy/{port}/ — the latter strips the path prefix and breaks the SvelteKit base path.

Build

npm run build         # default — root basePath, for Cloudflare Pages
npm run build:gh      # /loto basePath, for tiennm99.github.io/loto manual export

Static export to build/. Deployed to Cloudflare Pages from main (set up via the CF dashboard — see docs/deployment-guide.md).

Regenerating audio

Vietnamese voice clips live in static/audio/{voiceId}/. Generated once with edge-tts (free, no API key) — runtime never calls TTS. To regenerate (e.g., to add a new voice that Microsoft ships, or to change wording):

pip install edge-tts
python3 scripts/generate-audio.py

The script auto-discovers every vi-* voice and writes a manifest the app reads on next reload.

S
Description
Lô Tô (Vietnamese lottery bingo) number board — Next.js web app
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