- Implemented SessionMiddleware with cookie-based session key management
- Added support for encrypted and signed session cookies
- Integrated Redis backend for session state persistence
- Implemented session lifecycle management (create, update, delete)
- Added TTL extension policies for session timeout handling
- Created fluent builder for session middleware configuration
- Implemented cookie security features (secure, http-only, same-site)
- Added session state loading and persistence logic
- Implemented proper error handling and logging for session operations
- Added support for configurable session cookie parameters
- Implemented session key extraction and validation from requests
- Added actix-web and actix-multipart dependencies to Cargo.toml
- Integrated actix-web ResponseError trait for AppError handling
- Migrated session module to use actix-web request lifecycle management
- Enhanced Session struct with request-local state handling capabilities
- Implemented proper HTTP status code mapping for various error types
- Added comprehensive session middleware integration points
- Updated session state persistence and modification tracking logic
- Integrated proper JSON response formatting for error messages
- Added support for session renewal, purge, and unchanged state management