convert event to spans#135
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Pull request overview
This PR enhances the OpenTelemetry (OTEL) recorder to promote selected AUTOMA events into span-level attributes so span-oriented GenAI backends (e.g., Langfuse/AgentCore) can populate prompt/completion previews and tool I/O directly from span attributes, while still exporting the original events.
Changes:
- Promote
message(user/assistant) andtool.input/tool.outputevent attributes onto the active span asinput.value/output.valueandgen_ai.prompt/gen_ai.completion. - Add prompt/completion token aliases (
gen_ai.usage.prompt_tokens,gen_ai.usage.completion_tokens) alongside existing usage mappings. - Update OTEL recorder tests and telemetry docs to reflect the new promotion behavior and token aliasing.
Reviewed changes
Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
| tests/test_telemetry.py | Expands OTEL exporter test coverage to validate event promotion to span attributes and new usage aliases. |
| docs/telemetry.md | Documents the new event-to-span promotion behavior and expanded usage attribute export. |
| automa_ai/telemetry/otel.py | Applies event-derived promoted attributes to spans during _record_event. |
| automa_ai/telemetry/otel_encoder.py | Adds span_attributes_from_event() and extends usage semantic mapping with prompt/completion aliases. |
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| fields. Token usage is exported with both AUTOMA names such as | ||
| `gen_ai.usage.input_tokens` / `gen_ai.usage.output_tokens` and | ||
| prompt/completion aliases used by span-oriented LLM backends. |
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