Barnabas Busa 0d1fb19613 internal/telemetry: add gRPC transport for OTLP trace export ... The OTLP specification defines two transports: HTTP (port 4318) and gRPC (port 4317). The existing exporter setup only supports HTTP/HTTPS schemes. This adds gRPC support via URL scheme dispatch: - grpc://host:port → plaintext gRPC - grpcs://host:port → TLS-secured gRPC Many observability backends (Jaeger, Tempo, Datadog) prefer gRPC for its lower overhead. Both otlptracehttp and otlptracegrpc return the same *otlptrace.Exporter type, so only the exporter construction changes. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>		2026-03-12 12:01:07 +01:00
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setup.go	internal/telemetry: add gRPC transport for OTLP trace export	2026-03-12 12:01:07 +01:00