向宁 d3015d63f2 feat: add OpenTelemetry tracing, metrics, and logging ...

- Create internal/common/otel.go with InitOTel() for tracing + metrics + logs
- Add otelgin middleware for automatic Gin HTTP span creation
- Add OTelEndpoint config (default: 192.168.1.154:4316)
- Export all signals via OTLP gRPC to OTel Collector

2026-05-17 22:08:03 +08:00

..

main.go

feat: add OpenTelemetry tracing, metrics, and logging

2026-05-17 22:08:03 +08:00