Major refactoring of API documentation for better maintainability:
## New Modular Structure
- Split 2400+ line monolithic API spec into 10 focused modules
- Created centralized navigation at docs/04_technical/api/README.md
- Each module now 200-400 lines for easier maintenance
## Completed API Modules (7/10)
- ✅ Authentication & Authorization API (JWT, OAuth, permissions)
- ✅ User Management API (profiles, stats, achievements)
- ✅ Dialogue Practice API (scenarios, AI analysis, assistance)
- ✅ Subscription System API (in-app purchases, permissions)
- ✅ Daily Missions API (tasks, progress, rewards)
- ✅ Error Handling (comprehensive error codes)
- ✅ Common Standards (RESTful principles, formats)
## Updated Specifications
- Third-party integration spec with iOS/Android in-app purchases
- API completion plan with 3-phase development strategy
- Organized processed requirements in 已處理/ folder
## Technical Improvements
- 35+ API endpoints fully documented with examples
- 11 error categories with handling guidelines
- Unified response formats and security standards
- Team-friendly parallel development structure
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Add vocabulary learning system with recognition→familiarity→dialogue→review progression
- Add life points system (命條系統) with 5-hour auto-recovery mechanics
- Add spaced repetition algorithm using 2^review_count formula
- Add reply assistance system with 3-layer architecture and Google Translate integration
- Add 13-stage learning progression with sequential unlocking
- Update user flow specification with complete learning flows including life points checks
- Update AI algorithm specs with vocabulary learning modules
- Update business logic with comprehensive gamification mechanics
- Update content management with vocabulary data structures
- Update system schema with new data bindings: Vocabulary, VocabularyReview, LifePoints, ContinuousLearning, TimeWarp
- Add requirement documents for vocabulary review, vocabulary learning stages, scenario dialogue, and challenge learning
- Remove deprecated UI mockup images from 05_views directory
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
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