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feat(observability): implement Metrics Collection Framework (14 metric types with Histogram/Counter/Gauge) #672

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freemo merged 1 commits from feature/m6-metrics-collection-framework into master 2026-03-10 18:16:29 +00:00
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freemo commented 2026-03-10 08:19:09 +00:00
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Summary

Implement the structured metrics collection framework covering 14 operational metric types with proper Histogram, Counter, and Gauge semantics.

Changes

  • Domain layer: MetricType enum, MetricDefinition model, METRIC_DEFINITIONS registry, extended MetricCollector with typed factory methods and 14 convenience methods, MetricEntry auto-resolves metric_type
  • Infrastructure layer: MetricsEmitter for structured log emission, metrics_log_processor for structlog integration
  • Configuration: metrics_enabled and metrics_export_prometheus settings, DI container registration
  • Instrumentation: Best-effort metric emission in PlanExecutor for plan_duration and plan_decision_count
  • Testing: 34 Behave BDD scenarios, 8 Robot Framework integration tests, ASV benchmark suite

Validation

  • All 9762 unit test scenarios pass (0 failures)
  • All 8 new Robot integration tests pass
  • pyright strict mode: 0 errors
  • ruff lint: 0 errors
  • Coverage: 99%
  • vulture dead code: clean

Closes #579

## Summary Implement the structured metrics collection framework covering 14 operational metric types with proper Histogram, Counter, and Gauge semantics. ## Changes - **Domain layer**: MetricType enum, MetricDefinition model, METRIC_DEFINITIONS registry, extended MetricCollector with typed factory methods and 14 convenience methods, MetricEntry auto-resolves metric_type - **Infrastructure layer**: MetricsEmitter for structured log emission, metrics_log_processor for structlog integration - **Configuration**: metrics_enabled and metrics_export_prometheus settings, DI container registration - **Instrumentation**: Best-effort metric emission in PlanExecutor for plan_duration and plan_decision_count - **Testing**: 34 Behave BDD scenarios, 8 Robot Framework integration tests, ASV benchmark suite ## Validation - All 9762 unit test scenarios pass (0 failures) - All 8 new Robot integration tests pass - pyright strict mode: 0 errors - ruff lint: 0 errors - Coverage: 99% - vulture dead code: clean Closes #579
freemo added this to the v3.5.0 milestone 2026-03-10 08:19:09 +00:00
freemo force-pushed feature/m6-metrics-collection-framework from 3ebc613fd1 to 958eb0c060 2026-03-10 17:39:55 +00:00 Compare
freemo merged commit 958eb0c060 into master 2026-03-10 18:16:29 +00:00
freemo deleted branch feature/m6-metrics-collection-framework 2026-03-10 18:16:29 +00:00
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aditya (Aditya Chhabra) aleenaumair (Aleena Umair) brent.edwards (Brent Edwards) CoreRasurae (Luis Mendes) drew (Drew Morris) eugen.thaci (Eugen Thaci) freemo (Jeffrey Phillips Freeman) HAL9000 (HAL 9000) HAL9001 (HAL9001) hamza.khyari (Hamza Khyari) hurui200320 (Rui Hu) justin.morris khird (Kyle Hird) org.cleveragents
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Reference: cleveragents/cleveragents-core#672
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