feat(langchain): Record run_name as gen_ai.function_id on Invoke Agent Spans

[alexander-alderman-webb]

Description

Set run_name as the gen_ai.function_id attribute instead of gen_ai.agent.name.

Add tests for AgentExecutor.invoke() based on AgentExecutor.stream() test.
Add tests with create_openai_tools_agent().with_config() to test all branches for extracting the run_name.

Issues

Reminders

• Please add tests to validate your changes, and lint your code using tox -e linters.
• Add GH Issue ID & Linear ID (if applicable)
• PR title should use conventional commit style (feat:, fix:, ref:, meta:)
• For external contributors: CONTRIBUTING.md, Sentry SDK development docs, Discord community

[github-actions]

Semver Impact of This PR

🟡 Minor (new features)

📋 Changelog Preview

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Entries from this PR are highlighted with a left border (blockquote style).

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New Features ✨

Langchain

• Record run_name as gen_ai.function_id on Invoke Agent Spans by alexander-alderman-webb in #5926

• Record run_name as gen_ai.function_id on Invoke Agent Spans by alexander-alderman-webb in #5926
• Record run_name in on_chat_model_start by alexander-alderman-webb in #5924
• Record run_name in on_tool_start by alexander-alderman-webb in #5925

Other

• (ci) Cancel in-progress PR workflows on new commit push by joshuarli in #5994

Bug Fixes 🐛

• (langchain) Set agent name as gen_ai.agent.name for chat and tool spans by alexander-alderman-webb in #5877

Internal Changes 🔧

• (langchain) Separate test to remove conditional by alexander-alderman-webb in #6076

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[github-actions]

Codecov Results 📊

✅ 31 passed | Total: 31 | Pass Rate: 100% | Execution Time: 18.83s

📊 Comparison with Base Branch

Metric	Change
Total Tests	📉 -66
Passed Tests	📉 -54
Failed Tests	—
Skipped Tests	📉 -12

All tests are passing successfully.

✅ Patch coverage is 100.00%. Project has 15470 uncovered lines.
✅ Project coverage is 27.27%. Comparing base (base) to head (head).

Files with missing lines (1)

File	Patch %	Lines
langchain.py	86.51%	⚠️ 80 Missing and 49 partials

Coverage diff

@@            Coverage Diff             @@
##          main       #PR       +/-##
==========================================
+ Coverage    26.04%    27.27%    +1.23%
==========================================
  Files          190       191        +1
  Lines        21358     21270       -88
  Branches      7066      7008       -58
==========================================
+ Hits          5562      5800      +238
- Misses       15796     15470      -326
- Partials       482       504       +22

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Cursor Bugbot has reviewed your changes and found 1 potential issue.

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^{Reviewed by Cursor Bugbot for commit 3c7adea. Configure here.}