feat: add metrics-exporter-opentelemetry crate #595
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… boundaries Add support for configuring custom histogram bucket boundaries in the OpenTelemetry exporter. This allows users to define specific bucket boundaries for individual metrics, enabling better histogram resolution tailored to expected value distributions. - Add histogram_bounds HashMap shared between recorder and storage via Arc<RwLock<>> - Implement set_histogram_bounds() method to configure boundaries before histogram creation - Apply custom boundaries when creating histograms in OtelMetricStorage - Add comprehensive test coverage for custom histogram bounds functionality - Fix integration tests to use InMemoryMetricExporter with proper assertions 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
Add detailed documentation following patterns from other metrics exporters: - Module-level overview with features, usage examples, and performance notes - Comprehensive API documentation for OpenTelemetryRecorder - Detailed method docs with examples and behavioral constraints - Internal type documentation for MetricDescription and MetricMetadata - Missing docs enforcement and broken link detection 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
- Add basic usage example - Add custom histogram bounds example - Add OTLP exporter example - Significantly reduce documentation verbosity - Delegate unit conversion details to Unit documentation - Clarify that descriptions/bounds only apply to metrics created after they are set 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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Summary
Features
Test Plan
Examples
Closes #275
🤖 Generated with Claude Code