chore: publish from staged

plugins/phoenix/skills/phoenix-tracing/README.md

@@ -0,0 +1,24 @@
+# Phoenix Tracing Skill
+
+OpenInference semantic conventions and instrumentation guides for Phoenix.
+
+## Usage
+
+Start with `SKILL.md` for the index and quick reference.
+
+## File Organization
+
+All files in flat `rules/` directory with semantic prefixes:
+
+- `span-*` - Span kinds (LLM, CHAIN, TOOL, etc.)
+- `setup-*`, `instrumentation-*` - Getting started guides
+- `fundamentals-*`, `attributes-*` - Reference docs
+- `annotations-*`, `export-*` - Advanced features
+
+## Reference
+
+- [OpenInference Spec](https://github.com/Arize-ai/openinference/tree/main/spec)
+- [Phoenix Documentation](https://docs.arize.com/phoenix)
+- [Python OTEL API](https://arize-phoenix.readthedocs.io/projects/otel/en/latest/)
+- [Python Client API](https://arize-phoenix.readthedocs.io/projects/client/en/latest/)
+- [TypeScript API](https://arize-ai.github.io/phoenix/)