ConstReadonlyOTEL_ENABLED: "OTEL_ENABLED"Enable/disable OpenTelemetry (framework master toggle)
ReadonlyOTEL_EXPORTER_OTLP_ENDPOINT: "OTEL_EXPORTER_OTLP_ENDPOINT"OTLP exporter endpoint URL
ReadonlyOTEL_LOG_LEVEL: "OTEL_LOG_LEVEL"SDK diagnostic log level
ReadonlyOTEL_LOGS_EXPORTER: "OTEL_LOGS_EXPORTER"Log exporter selection (default: 'none' — framework has own logger)
ReadonlyOTEL_METRIC_EXPORT_INTERVAL: "OTEL_METRIC_EXPORT_INTERVAL"Periodic metric export interval (ms)
ReadonlyOTEL_METRICS_EXPORTER: "OTEL_METRICS_EXPORTER"Metric exporters: otlp, prometheus, console, none (comma-separated)
ReadonlyOTEL_SERVICE_NAME: "OTEL_SERVICE_NAME"Service name (also read natively by SDK resource detector)
ReadonlyOTEL_TRACES_EXPORTER: "OTEL_TRACES_EXPORTER"Trace exporter selection
Environment variable names for telemetry configuration.
Includes both framework-managed and standard OTEL variables. Standard vars are parsed in the config system so they can be set via config file, then passed through to the SDK and exporters. See: https://opentelemetry.io/docs/specs/otel/configuration/sdk-environment-variables/