Only export structured telemetry logs, not all application logs. The attach_log_handler method now attaches to the 'dify.telemetry' logger instead of the root logger.
- Add ENTERPRISE_OTLP_PROTOCOL config (http/grpc, default: http)
- Introduce _ExporterFactory class for protocol-agnostic exporter creation
- Support both HTTP and gRPC OTLP endpoints for traces and logs
- Refactor endpoint path handling into factory methods
- Add ENTERPRISE_OTEL_LOGS_ENABLED and ENTERPRISE_OTLP_LOGS_ENDPOINT config options
- Implement EnterpriseLoggingHandler for log record translation with trace/span ID parsing
- Add LoggerProvider and BatchLogRecordProcessor for OTLP log export
- Correlate telemetry logs with spans via span_id_source parameter
- Attach log handler during enterprise telemetry initialization
GareArc