002ed92bea
This commit implements iOS/Android mobile app support using Capacitor and adds a comprehensive opening training feature with LLM-powered explanations. ## Mobile App Infrastructure - Add Capacitor configuration for iOS/Android builds - Create mobile build script that excludes API routes - Update Next.js config for conditional static export - Add layout components with generateStaticParams for static builds - Generate 500+ static pages for offline mobile use ## Chess Engine Abstraction - Create ChessEngine interface for pluggable implementations - Add LocalEngine (GPL - uses stockfish.js in browser) - Add RemoteEngine (proprietary - calls API server) - Factory pattern selects engine based on environment - Enables GPL compliance for web, proprietary for mobile ## Opening Training Feature - Interactive opening repertoire training - Move validation with engine-backed feedback - LLM explanations using Gemini API - Wikipedia integration for opening context - Opening family grouping (e4, d4, c4, etc.) - Session state management - Real-time move feedback with evaluation Components: - OpeningSelector: Browse and select openings by family - OpeningTrainer: Main training interface with chessboard - MoveFeedback: Display move quality and LLM explanations - WikipediaSummary: Show opening history and context - ErrorBoundary: Graceful error handling Services: - openingLoader: Load and filter opening database - engineService: Engine evaluation wrapper - moveValidator: Validate moves against repertoire - feedbackGenerator: Generate contextual feedback - wikipediaService: Fetch and cache Wikipedia data - sessionManager: Track training session state ## Wikipedia Integration - Automatic Wikipedia article fetching for openings - Client-side and server-side caching - Sanitized summaries with proper formatting - Link opening database to Wikipedia slugs - API endpoints for on-demand fetching ## Docker Improvements - Add entrypoint script for automatic data setup - Fetch Wikipedia data on first container startup - Generate opening move index automatically - Remove generated data from git (public/openings/*.json, public/wikipedia/*.json) - Add READMEs explaining data requirements - Update .gitignore for generated files ## Dual Licensing Strategy - Add LICENSING.md explaining dual licensing approach - GPL-3.0 for web builds (includes Stockfish) - Proprietary option for mobile builds (no GPL code) - Single codebase, multiple licensing models - Legal compliance documented ## API Endpoints - POST /api/v1/llm/opening-explanation - Get LLM move explanations - GET /api/v1/wikipedia/summary - Fetch Wikipedia summaries ## Type Updates - Add openingTraining types - Update Tutor component to use ChessEngine interface - Add Gemini error handling types 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Wikipedia Opening Cache
This directory contains cached Wikipedia article summaries for chess openings.
What is this?
The Wikipedia cache provides educational context about chess openings:
- Article summaries
- Opening history
- Strategic ideas
- Notable games
Automatic Setup (Docker)
When running via Docker, Wikipedia data is automatically fetched on first startup:
docker-compose up
# Will fetch Wikipedia data on first run
# Cached for subsequent runs
The Docker entrypoint script (scripts/docker-entrypoint.sh) handles:
- Fetching Wikipedia articles for all openings
- Sanitizing/formatting the data
- Linking Wikipedia slugs to opening database
Manual Setup (Development)
# Fetch Wikipedia articles
npm run cache:wikipedia
# Update opening database with Wikipedia slugs
npm run update:wikipedia-slugs
Cache Invalidation
To refresh Wikipedia data:
rm public/wikipedia/*.json
docker-compose restart
# Or: npm run cache:wikipedia
Notes
- Files are not committed to git (generated at runtime)
- Wikipedia API has rate limits (be patient)
- Wikipedia content is optional (app works without it)
.initializedmarker prevents re-fetching on every startup