- Introduced a new API endpoint `GET /api/v1/smoke/dashboard` to retrieve a summary of smoking statistics over a specified date range, including today's count and weekly breakdown.
- Added `GET /api/v1/smoke/logs/latest` endpoint to fetch the most recent smoking logs with a configurable limit.
- Updated the smoke handler and service to support the new functionality, including error handling for date parsing and limit validation.
- Enhanced documentation to reflect the new API endpoints and their usage.
- 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.
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