Wang Zhuoxuan f6e7be324e feat: initialize duoqi-api project skeleton ... Set up Fastify + TypeScript + Drizzle ORM backend with: - Database schema (7 tables: users, categories, questions, knowledge_cards, user_progress, skill_tree, user_chapter_progress) - JWT auth middleware + admin token auth - Route structure for auth, quiz, progress, gamification, payment, and admin - Service stubs for Phase 1b implementation - Zod-validated env config, custom error classes		2026-04-08 21:24:15 +08:00
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config.ts	feat: initialize duoqi-api project skeleton	2026-04-08 21:24:15 +08:00
errors.ts	feat: initialize duoqi-api project skeleton	2026-04-08 21:24:15 +08:00