- New src/netsleuth/monitoring/__init__.py with OpenTelemetry tracing setup, trace_operation context manager, metric recording, and HealthChecker class
- Added setup_monitoring function to configure comprehensive monitoring with optional OTLP export
- Implemented health checker registration system with core and CLI component checks
- Added graceful fallback when OpenTelemetry dependencies are not available
This commit introduces complete monitoring infrastructure with distributed tracing capabilities and health check framework for the Netsleuth application.
