feat(dogfood): promote the OTel GenAI semconv keys alongside the flat set

[jensholdgaard]

Summary

Extends the dogfood promotion set with the dotted OTel GenAI semconv keys — gen_ai.request.model, gen_ai.operation.name, gen_ai.provider.name (bare) and gen_ai.usage.{input,output}_tokens (typed i64) — alongside the existing flat Claude Code keys.

Proven live before this PR: the OTel Demo 3.0 agent, patched on a fork with opentelemetry-instrumentation-openai-v2 (VCR replay, no key, zero cost), emitted real gen_ai.client.inference.operation.details log events through the standard collector into this dogfood server. With these promotions active: event_name == "gen_ai.client.inference.operation.details" | count by attr.gen_ai.request.model, attr.gen_ai.operation.name → azure/gpt-5.5 / chat: 42, tenant-isolated from 13 other demo services that landed in their own tenants. Fork branch: jensholdgaard/opentelemetry-demogenai-log-events.

The two key families side by side are the two-sources story RFC 0037 anticipated: flat (Claude Code) + dotted (semconv-conformant sources). Usage-token sums light up whenever a source emits real usage (the VCR cassettes carry null usage).

Invariants / hazards

Config-only; promotion is a write-side projection (RFC 0022), applies to ingest after restart. Hazard #2 (cardinality): all five keys are low-cardinality by construction (models, operations, providers, token counts).

🤖 Generated with Claude Code

https://claude.ai/code/session_01Qtny6z6cA74xPZa4qRhk4F

Summary by CodeRabbit

• New Features
  • Added support for displaying additional OpenTelemetry GenAI metadata, including model, operation, provider, and input/output token usage details.

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Review details

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: b6017d85-a799-47a8-93a9-35271ce3b7d9

📥 Commits

Reviewing files that changed from the base of the PR and between 6e51cad and 64e8699.

📒 Files selected for processing (1)

• dogfood-config.yaml

📝 Walkthrough

Walkthrough

Updates dogfood-config.yaml to promote OTel GenAI semantic convention attributes alongside existing Claude Code attributes, including model, operation, provider, and numeric token usage fields.

Changes

OTel GenAI attribute promotions

Layer / File(s)	Summary
Promote OTel GenAI attributes dogfood-config.yaml	Adds storage promotions for dotted GenAI model, operation, provider, input-token, and output-token attributes.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Possibly related PRs

• jensholdgaard/ourios#646: Adds related typed numeric token-count promotions in dogfood-config.yaml.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The summary is detailed, but the required Related and Checklist sections are missing from the template.	Add the Related section and complete the Checklist items (fmt, clippy, tests, docs/changelog, RFC if applicable).

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the main change: adding dotted OTel GenAI semconv promotions alongside the existing flat set.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch dogfood-genai-semconv

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[Copilot]

Pull request overview

Extends the local dogfood server config’s promoted log-attribute set to include OpenTelemetry GenAI semantic-convention (dotted) keys alongside the existing flat Claude Code keys, enabling queries/aggregations over semconv-conformant sources in the same capture setup.

Changes:

• Added string promotions for gen_ai.request.model, gen_ai.operation.name, and gen_ai.provider.name.
• Added typed i64 promotions for gen_ai.usage.{input,output}_tokens.
• Documented the “two-sources” rationale inline in the config.

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