Remove sync.Once reset that caused "unlock of unlocked mutex" panic.
Redesign initialization to use only checkReadiness goroutine for
retry attempts, eliminating race condition while preserving retry
functionality for TLS/tracing setup delays.
Add buffering exporter to queue OTLP logs until tracing is configured.
Support TLS configuration for OpenTelemetry log export with client
certificate authentication. Improve logfmt formatting and tracing setup.
- Add package-level documentation with usage examples and architecture details
- Document all public types, functions, and methods following godoc conventions
- Remove unused logger.Error type and NewError function
- Apply consistent documentation style across all packages
Packages updated:
- apitls: TLS certificate management with automatic renewal
- config: Environment-based configuration system
- config/depenv: Deployment environment handling
- ekko: Enhanced Echo web framework wrapper
- kafka: Kafka client wrapper with TLS support
- logger: Structured logging with OpenTelemetry integration
- tracing: OpenTelemetry distributed tracing setup
- types: Shared data structures for NTP Pool project
- xff/fastlyxff: Fastly CDN IP range management
All tests pass after documentation changes.
