ref(openai-agents): Stop setting gen_ai.request.available_tools on Invoke Agent spans

[alexander-alderman-webb]

Description

The attribute is not well-defined for agents as an agent can make different tools available over the course of its execution.

See https://github.com/getsentry/rfcs/blob/main/text/0153-decoupling-sentrys-generative-ai-conventions-from-open-telemetry.md for details.

Issues

Reminders

• Please add tests to validate your changes, and lint your code using uv run ruff.
• 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]

Codecov Results 📊

✅ 99549 passed | ❌ 2 failed | ⏭️ 6710 skipped | Total: 106261 | Pass Rate: 93.68% | Execution Time: 357m 17s

📊 Comparison with Base Branch

Metric	Change
Total Tests	📉 -290
Passed Tests	📉 -220
Failed Tests	📈 +1
Skipped Tests	📉 -71

➕ New Tests (1)

View new tests

• test_continuous_profiler_auto_start_and_stop_sampled[non-experiment-thread]
  • File: tests.profiler.test_continuous_profiler
  • Status: ❌ Failing

➖ Removed Tests (1)

View removed tests

• test_continuous_profiler_auto_start_and_stop_sampled_span_streaming[non-experiment-thread]
  • File: tests.profiler.test_continuous_profiler

❌ Failed Tests

test_continuous_profiler_auto_start_and_stop_sampled[non-experiment-thread]

File: tests.profiler.test_continuous_profiler
Suite: py3.6-common
Error: AssertionError: profiler should not be running assert '6268425d1c094ae68a8351299bff7a3c' is None + where '6268425d1c094ae68a8351299bff7a3c' = get_profiler_id()

Stack Trace

tests/profiler/test_continuous_profiler.py:812: in test_continuous_profiler_auto_start_and_stop_sampled
    assert get_profiler_id() is None, "profiler should not be running"
E   AssertionError: profiler should not be running
E   assert '6268425d1c094ae68a8351299bff7a3c' is None
E    +  where '6268425d1c094ae68a8351299bff7a3c' = get_profiler_id()

✅ Patch coverage is 100.00%. Project has 2506 uncovered lines.
❌ Project coverage is 89.88%. Comparing base (base) to head (head).

Coverage diff

@@            Coverage Diff             @@
##          main       #PR       +/-##
==========================================
- Coverage    89.89%    89.88%    -0.01%
==========================================
  Files          193       193         —
  Lines        24686     24752       +66
  Branches      8814      8860       +46
==========================================
+ Hits         22188     22246       +58
- Misses        2498      2506        +8
- Partials      1400      1417       +17

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