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tiennm99
beb02ac578
- pdr: explicit in-scope (9x9, 5/row + 5/col, ascending cols, single-row Kinh, "Chờ N", continue-after-win) vs out-of-scope (3x9 european bingo 90, two-line / full-house tiers, custom number ranges) - update codebase-summary, system-architecture, development-roadmap to reflect 11x9 master board, draw-order overlay, exact 5/col picker - add researcher report comparing tân tân vs european bingo 90
106 lines
4.2 KiB
Markdown
106 lines
4.2 KiB
Markdown
# Development Roadmap
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This document tracks **future work only**. Completed features live in git commit history, not here.
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## Currently Implemented Features
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The app is fully functional for core gameplay (Lô tô hội chợ Tân Tân variant):
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- 9×9 player card with **exactly 5 per row and 5 per column**, columns
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ascending top-to-bottom
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- Cell marking (toggle crossed state); player can keep playing after Kinh
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- Bingo detection and "Kinh!" celebration popup
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- "Chờ X" waiting notifications
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- Host number drawing from 1–90 deck
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- 11×9 last-digit-aligned master board with draw-order overlay for fast
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Kinh verification
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- Host's own player card (isolated instance)
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- localStorage persistence
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- Dark mode
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- Mobile responsive
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- Offline capable
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## Idea Phase
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### Sound Effects on Bingo
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Play celebratory chime or "Kinh!" voice snippet when row completes. Could use Web Audio API or `<audio>` tag. **Status**: Idea (no demand yet)
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### Undo Last Cell
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Allow player to undo the most recent cross/uncross action. Requires change history or state snapshot. **Status**: Idea (low priority)
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### Theme Switcher
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Explicit light/dark toggle button instead of relying on OS preference. **Status**: Idea (Tailwind already supports OS toggle)
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### PWA Install
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Add service worker and manifest for "Install App" prompt on Android/iOS. **Status**: Idea (would require server-side components)
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## Considered Phase
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### Multiplayer Sync (Real-time)
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Host and players connect via WebSocket to sync called numbers and state. Requires backend server. Would enable:
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- Decoupled devices (players' phones, host's laptop on big screen)
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- Remote tournaments
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- Master board auto-updates all players in real-time
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**Consideration**: Out of scope for static export. Requires major refactor (SvelteKit API routes + WebSocket server). Deferred indefinitely.
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### i18n Beyond Vietnamese
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Internationalization (English, Chinese, etc.). Requires extraction of all Vietnamese strings and i18n library (next-intl). **Status**: Considered (low demand for non-Vietnamese users)
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### Undo/Redo System
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Full undo/redo stack with history navigation. Adds complexity to state management. **Status**: Considered (YAGNI for now)
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## Testing (Planned but Unstarted)
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### Unit Tests
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- Game logic: `generateGrid()`, `isRowComplete()`, `getWaitingNumber()`
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- localStorage helpers: `saveGrid()`, `loadGrid()`, etc.
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**Tech**: Vitest (Vite's native test runner)
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### Component Tests
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- PlayerBoard with mocked localStorage, $state/$derived verification
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- Master page with different game states
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### E2E Tests
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- Player flow: generate card → click cells → verify bingo popup
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- Host flow: new game → draw numbers → verify board state
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**Tech**: Playwright
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## Future Enhancements (Speculative)
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### Export/Import Card
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Allow player to export their grid as image or JSON, import someone else's card. Use Canvas API or print-friendly CSS.
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### Leaderboard / Stats
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Track games won, time per bingo, etc. Requires server-side persistence. Out of scope for static export.
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### Accessibility Improvements
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- ARIA labels for grid cells
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- Keyboard navigation (arrow keys to move, Enter to toggle)
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- Screen reader support
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### Custom Number Range
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Host selects range (e.g., 1–75 for American bingo) instead of hardcoded 1–90. Requires config UI and refactor of game logic constants. **Out of scope** per Lô tô hội chợ Tân Tân focus.
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### Different Grid Sizes
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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.
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### Two-line / Full-house Win Tiers
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European Bingo 90 patterns. **Out of scope** — Tân Tân uses single-line "Kinh!" only.
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---
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## Decision Rationale
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All decisions follow **YAGNI** (You Aren't Gonna Need It), **KISS** (Keep It Simple), **DRY** (Don't Repeat Yourself):
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- No multiplayer sync → adds server dependency, breaks static export (Cloudflare Pages)
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- No i18n → Vietnamese-only community, localizing adds complexity
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- No testing → small codebase (<300 LOC), manual testing covers critical paths; add when code grows
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- No undo/redo → simple game, mistakes are play experience
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- Svelte 5 runes → cleaner reactivity than hooks, smaller mental model
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Future work gates on **real user demand**, not speculation.
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Last reviewed: 2026-04-26
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