- HTTP request instrumentation via middleware
- Authentication attempt tracking with success/failure counts
- Business metrics (users, organizations, items, collections)
- System metrics (uptime, build info, DB connections)
- Path normalization for cardinality control
- Token-based /metrics endpoint with optional auth
- Feature-gated to avoid performance impact when disabled
- All tests passing, no dead code
- Add Prometheus metrics endpoint with authentication
- Implement HTTP, database, authentication, business, and system metrics
- Enable metrics by default in Docker builds
- Add Argon2 hashed token support for secure authentication
- Create comprehensive documentation for wiki integration
- Fix error handling consistency across codebase
- Add missing diesel_logger dependency
Co-authored-by: Original contributors