Add OTel GenAI semantic convention attributes to LLM instrumentations

[jimilp7]

• Add SpanKind.CLIENT to LLM spans (was INTERNAL)
• Add gen_ai.provider.name attribute ('openai' or 'anthropic')
• Add gen_ai.request.* parameter attributes:
  • max_tokens, temperature, top_p, top_k
  • stop_sequences, seed, frequency_penalty, presence_penalty
• Add gen_ai.tool.definitions attribute when tools are provided
• Add semconv.py constants file for GenAI semantic conventions
• Update test snapshots for new attributes

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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[alexmojaki]

is this raw_json_data variable needed just to deal with pyright quirks?

[jimilp7]

pyright quirks, please advise

[Copilot]

Pull request overview

This PR adds OpenTelemetry GenAI semantic convention attributes to LLM instrumentations for OpenAI and Anthropic providers. The changes align the implementation with OTel semantic conventions for generative AI operations.

Changes:

• Changed span kind from INTERNAL to CLIENT for all LLM API calls
• Added gen_ai.provider.name attribute identifying the LLM provider ('openai' or 'anthropic')
• Added request parameter extraction for max_tokens, temperature, top_p, top_k, stop_sequences, seed, frequency_penalty, and presence_penalty
• Added tool definitions tracking when tools/functions are provided to the LLM

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
logfire/_internal/integrations/llm_providers/semconv.py	New file defining GenAI semantic convention constant names
logfire/_internal/main.py	Added _span_kind parameter support to span creation methods and LogfireSpan class
logfire/_internal/integrations/llm_providers/llm_provider.py	Updated to use SpanKind.CLIENT for all LLM requests
logfire/_internal/integrations/llm_providers/openai.py	Added provider name and request parameter extraction for OpenAI endpoints
logfire/_internal/integrations/llm_providers/anthropic.py	Added provider name and request parameter extraction for Anthropic endpoints
tests/otel_integrations/test_openai.py	Updated test snapshots for new attributes and added parameter extraction tests
tests/otel_integrations/test_anthropic.py	Updated test snapshots for new attributes and added parameter extraction tests
tests/otel_integrations/test_anthropic_bedrock.py	Updated test snapshots for new attributes

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[alexmojaki]

Add gen_ai.operation.name (just the attribute, not the span name change) here rather than in #1621

[jimilp7]

@alexmojaki added gen_ai.operation.name

[alexmojaki]

Thanks!