- Added AI configuration options to .env.example and config.go for OpenAI integration.
- Implemented Redis caching for session management in main.go and auth middleware.
- Updated smoke logging service to support real smoking time (`smoke_at`) and AI advice retrieval.
- Enhanced API routes to include endpoints for AI advice and unlock functionality for non-members.
- Improved database schema with new tables for AI advice and unlock records.
- Expanded documentation to cover new AI features and Redis caching implementation.
- Revised README.md to provide a clearer documentation structure for multiple mini programs, including a new table of contents.
- Added references to common authentication documentation in both the remove watermark API and README files.
- Improved clarity of the login interface description and error handling messages in the remove watermark API documentation.
nepiedg