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loto/docs/development-roadmap.md
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tiennm99 f7794aded0 ci(deploy): switch from Cloudflare Pages to GitHub Pages
Migrate build and deployment pipeline from Cloudflare Pages to GitHub Pages.
Adds production-ready deploy workflow in deploy-github-pages.yml with proper
artifact handling. Removes Cloudflare-specific tooling: wrangler config, _headers,
_redirects, and CSP hash injection scripts (no longer needed with GitHub Pages
static hosting). Updates package.json build scripts and all project documentation
to reflect new deployment target and simplified architecture.
2026-05-09 23:25:06 +07:00

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# Development Roadmap
This document tracks **future work only**. Completed features live in
git commit history and `plans/`, not here. For "what's in the app right
now", see `docs/project-overview-pdr.md` and `docs/codebase-summary.md`.
## Shipped
### Three-Mode Rendering + Master Auto-Tick (2026-04-27)
- `mode: "player" | "master" | "both"` replaces `masterMode: boolean`
- New `call-bus.svelte.js` coordinates master draws → player auto-tick in "both" mode
- "Quản trò đọc số" voice now speaks Chờ/Kinh on master in "both" mode
- One-shot migration: `masterMode: true``mode: "both"`
### UI Polish v2 + Installable PWA (2026-04-27)
- **Font**: Roboto Condensed self-hosted via @fontsource (Latin + Vietnamese subsets), swapped into `tan-tan-num` stack
- **Empty State**: New `MasterEmptyState.svelte` component for first-run host (mirrors player UX)
- **Mode Picker**: 3-way segmented toggle with inline SVG glyphs (player/master/both)
- **Color Picker**: Bordered card with "Mẫu" (presets) + "Tuỳ chỉnh" (custom input) sections
- **Header Polish**: Decorative dashes flanking subline (replaced all-caps tracking)
- **PWA**: @vite-pwa/sveltekit generates SW + manifest. App shell precache (~353 KB). Audio runtime caching (CacheFirst). Auto-update w/ reload toast. Works offline at fairground (no signal venues)
## Idea Phase
### Undo Last Cell
Allow player to undo the most recent cross/uncross action. Requires change history or state snapshot. **Status**: Idea (low priority)
## Considered Phase
### Multiplayer Sync (Real-time)
Host and players connect via WebSocket to sync called numbers and state. Requires backend server. Would enable:
- Decoupled devices (players' phones, host's laptop on big screen)
- Remote tournaments
- Master board auto-updates all players in real-time
**Consideration**: Out of scope for static export. Requires major refactor (SvelteKit API routes + WebSocket server). Deferred indefinitely.
### i18n Beyond Vietnamese
Internationalization (English, Chinese, etc.). Requires extraction of all Vietnamese strings and i18n library (next-intl). **Status**: Considered (low demand for non-Vietnamese users)
### Undo/Redo System
Full undo/redo stack with history navigation. Adds complexity to state management. **Status**: Considered (YAGNI for now)
## Testing
### Component Tests (Planned)
- PlayerBoard with mocked localStorage, $state/$derived verification
- MasterPanel with different game states
### E2E Tests
- Player flow: generate card → click cells → verify bingo popup
- Host flow: new game → draw numbers → verify board state
**Tech**: Playwright
## Future Enhancements (Speculative)
### Export/Import Card
Allow player to export their grid as image or JSON, import someone else's card. Use Canvas API or print-friendly CSS.
### Leaderboard / Stats
Track games won, time per bingo, etc. Requires server-side persistence. Out of scope for static export.
### Accessibility Improvements
- ARIA labels for grid cells
- Keyboard navigation (arrow keys to move, Enter to toggle)
- Screen reader support
### Custom Number Range
Host selects range (e.g., 175 for American bingo) instead of hardcoded 190. Requires config UI and refactor of game logic constants. **Out of scope** per Lô tô hội chợ Tân Tân focus.
### Different Grid Sizes
Support 8×8 or 10×10 grids, or 3×9 European Bingo 90 tickets. **Out of scope** — variant locked to 9×9 Tân Tân format.
### Two-line / Full-house Win Tiers
European Bingo 90 patterns. **Out of scope** — Tân Tân uses single-line "Kinh!" only.
---
## Decision Rationale
All decisions follow **YAGNI** (You Aren't Gonna Need It), **KISS** (Keep It Simple), **DRY** (Don't Repeat Yourself):
- No multiplayer sync → adds server dependency, breaks static export (GitHub Pages)
- No i18n → Vietnamese-only community, localizing adds complexity
- Unit tests implemented → critical paths (constraints, persistence, settings) now have automated coverage
- Component/E2E tests deferred → small codebase, manual testing sufficient for UI flows
- No undo/redo → simple game, mistakes are play experience
- Svelte 5 runes → cleaner reactivity than hooks, smaller mental model
Future work gates on **real user demand**, not speculation.
Last reviewed: 2026-04-27
Last synced: 2026-04-27 (UI polish v2 + PWA shipped)