Backend

This directory contains the server-side code for the French Learning App.

• index.ts - Main entry point for the application
• database/ - Database schema and queries
• routes/ - API and static file routes

• GET /api/categories - Get all vocabulary categories
• GET /api/vocabulary - Get all vocabulary items
• GET /api/vocabulary/category/:id - Get vocabulary by category
• GET /api/quiz - Get random vocabulary for quiz (params: count, category)
• POST /api/progress - Update learning progress

• GET / - Serves the main application
• GET /frontend/* - Serves frontend assets
• GET /shared/* - Serves shared utilities