ref(openai-agents): Drop support for stream_gen_ai_spans

[alexander-alderman-webb]

Description

Set stream_gen_ai_spans=False to maintain assertions for the static trace lifecycle.
Transaction support will be removed as a follow up.

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

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

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[github-actions]

Codecov Results 📊

✅ 115121 passed | ❌ 1 failed | ⏭️ 5526 skipped | Total: 120648 | Pass Rate: 95.42% | Execution Time: 379m 45s

📊 Comparison with Base Branch

Metric	Change
Total Tests	📉 -17047
Passed Tests	📉 -15464
Failed Tests	📈 +1
Skipped Tests	📉 -1584

➕ New Tests (1)

View new tests

• test_user_ip_address_on_all_spans[data_collection_wins_over_send_default_pii_false]
  • File: tests.integrations.sanic.test_sanic
  • Status: ❌ Failing

❌ Failed Tests

test_user_ip_address_on_all_spans[data_collection_wins_over_send_default_pii_false]

File: tests.integrations.sanic.test_sanic
Suite: py3.11-sanic-v23.12.2
Error: OSError: [Errno 98] error while attempting to bind on address ('127.0.0.1', 42335): address already in use

Stack Trace

tests/integrations/sanic/test_sanic.py:589: in test_user_ip_address_on_all_spans
    with c as client:
../../_temp/uv-python-dir/cpython-3.11.16-linux-x86_64-gnu/lib/python3.11/contextlib.py:137: in __enter__
    return next(self.gen)
           ^^^^^^^^^^^^^^
tests/integrations/sanic/test_sanic.py:96: in reusable_client
    client.__enter__()
.tox/py3.11-sanic-v23.12.2/lib/python3.11/site-packages/sanic_testing/reusable.py:65: in __enter__
    self.run()
.tox/py3.11-sanic-v23.12.2/lib/python3.11/site-packages/sanic_testing/reusable.py:77: in run
    self._server = self._run(self._server_co)
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/py3.11-sanic-v23.12.2/lib/python3.11/site-packages/sanic_testing/reusable.py:198: in _run
    return self._loop.run_until_complete(coro)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
../../_temp/uv-python-dir/cpython-3.11.16-linux-x86_64-gnu/lib/python3.11/asyncio/base_events.py:654: in run_until_complete
    return future.result()
           ^^^^^^^^^^^^^^^
.tox/py3.11-sanic-v23.12.2/lib/python3.11/site-packages/sanic/mixins/startup.py:612: in create_server
    return await serve(
.tox/py3.11-sanic-v23.12.2/lib/python3.11/site-packages/sanic/server/async_server.py:113: in __await__
    self.server = task.result()
                  ^^^^^^^^^^^^^
../../_temp/uv-python-dir/cpython-3.11.16-linux-x86_64-gnu/lib/python3.11/asyncio/base_events.py:1536: in create_server
    raise OSError(err.errno, msg) from None
E   OSError: [Errno 98] error while attempting to bind on address ('127.0.0.1', 42335): address already in use

✅ Patch coverage is 100.00%. Project has 2262 uncovered lines.
✅ Project coverage is 90.44%. Comparing base (base) to head (head).

Coverage diff

@@            Coverage Diff             @@
##          main       #PR       +/-##
==========================================
+ Coverage    90.24%    90.44%     +0.2%
==========================================
  Files          193       185        -8
  Lines        25715     23671     -2044
  Branches      9502      8704      -798
==========================================
+ Hits         23206     21409     -1797
- Misses        2509      2262      -247
- Partials      1435      1363       -72

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