Standardized metrics export - feature flagged

[chrishagglund-ship-it]

Provides cross-sdk standardized metrics output format, enabled by setting WORKER_CANONICAL_METRICS=true, see standardized metrics catalog for the proposed standard metrics catalog

[codecov]

Codecov Report

❌ Patch coverage is 88.36820% with 139 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...rc/sdk/worker/metrics/MetricsCollectorInterface.ts	0.00%	49 Missing ⚠️
...rc/sdk/worker/metrics/CanonicalMetricsCollector.ts	91.63%	43 Missing ⚠️
src/sdk/clients/workflow/WorkflowExecutor.ts	14.28%	24 Missing ⚠️
...dk/createConductorClient/helpers/fetchWithRetry.ts	86.56%	9 Missing ⚠️
src/sdk/worker/core/TaskHandler.ts	85.71%	7 Missing ⚠️
src/sdk/worker/metrics/LegacyMetricsCollector.ts	92.30%	4 Missing ⚠️
.../sdk/worker/metrics/CanonicalPrometheusRegistry.ts	98.21%	3 Missing ⚠️

Flag	Coverage Δ
integration-v4	64.49% <33.55%> (-2.55%)	⬇️
integration-v5	69.76% <37.82%> (-3.09%)	⬇️
unit	48.90% <86.27%> (+2.80%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
src/sdk/builders/tasks/pullWorkflowMessages.ts	100.00% <100.00%> (ø)
src/sdk/clients/worker/Poller.ts	98.63% <100.00%> (+<0.01%)	⬆️
src/sdk/clients/worker/TaskRunner.ts	100.00% <100.00%> (ø)
src/sdk/clients/worker/events/EventDispatcher.ts	100.00% <100.00%> (ø)
src/sdk/worker/metrics/MetricsServer.ts	100.00% <100.00%> (ø)
src/sdk/worker/metrics/accumulators.ts	100.00% <100.00%> (ø)
src/sdk/worker/metrics/httpObserver.ts	100.00% <100.00%> (ø)
src/sdk/worker/metrics/metricsFactory.ts	100.00% <100.00%> (ø)
.../sdk/worker/metrics/CanonicalPrometheusRegistry.ts	98.21% <98.21%> (ø)
src/sdk/worker/metrics/LegacyMetricsCollector.ts	95.75% <92.30%> (ø)
... and 5 more

... and 4 files with indirect coverage changes

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