This commit introduces a range of improvements across the application:
- **Security:**
- Adds authentication to the CSP metrics endpoint.
- Hardens CSP bypass detection regex to prevent ReDoS attacks.
- Improves CORS headers for the CSP metrics API.
- Adds filtering for acknowledged alerts in security monitoring.
- **Performance:**
- Optimizes database connection pooling for NeonDB.
- Improves session fetching with abort controller.
- **Stability:**
- Adds error handling to the tRPC demo component.
- Fixes type inconsistencies in session data mapping.
- **Docs & DX:**
- Ignores files in git.
- Fixes a token placeholder in the documentation.
- Fix 36+ biome linting issues reducing errors/warnings from 227 to 191
- Replace explicit 'any' types with proper TypeScript interfaces
- Fix React hooks dependencies and useCallback patterns
- Resolve unused variables and parameter assignment issues
- Improve accessibility with proper label associations
- Add comprehensive API documentation for admin and security features
- Update README.md with accurate PostgreSQL setup and current tech stack
- Create complete documentation for audit logging, CSP monitoring, and batch processing
- Fix outdated project information and missing developer workflows
