fix(openai): Always set gen_ai.response.streaming for Completions

[alexander-alderman-webb]

Description

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

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Semver Impact of This PR

🟢 Patch (bug fixes)

📋 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

• Set gen_ai.operation.name and gen_ai.pipeline.name on LLM spans by ericapisani in #5849
• Broaden AI provider detection beyond OpenAI and Anthropic by ericapisani in #5707
• Update LLM span operation to gen_ai.generate_text by ericapisani in #5796

Bug Fixes 🐛

Ci

• Use gh CLI to convert PR to draft by stephanie-anderson in #5874
• Use GitHub App token for draft PR enforcement by stephanie-anderson in #5871

Openai

• Always set gen_ai.response.streaming for Completions by alexander-alderman-webb in #5692

• Simplify Completions input handling by alexander-alderman-webb in #5690
• Simplify embeddings input handling by alexander-alderman-webb in #5688

Internal Changes 🔧

Langchain

• Add text completion test by alexander-alderman-webb in #5740
• Add tool execution test by alexander-alderman-webb in #5739
• Add basic agent test with Responses call by alexander-alderman-webb in #5726
• Replace mocks with httpx types by alexander-alderman-webb in #5724
• Consolidate span origin assertion by alexander-alderman-webb in #5723
• Consolidate available tools assertion by alexander-alderman-webb in #5721

Other

• (asyncpg) Normalize query whitespace in integration by ericapisani in #5855
• (openai) Move input handling code into API-specific functions by alexander-alderman-webb in #5687
• Reactivate litellm tests by alexander-alderman-webb in #5853
• Add note to coordinate with assignee before PR submission by sentrivana in #5868
• Temporarily stop running litellm tests by alexander-alderman-webb in #5851

Other

• ci+docs: Add draft PR enforcement by stephanie-anderson in #5867

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Codecov Results 📊

✅ 13 passed | Total: 13 | Pass Rate: 100% | Execution Time: 9.61s

All tests are passing successfully.

❌ Patch coverage is 0.00%. Project has 14418 uncovered lines.

Files with missing lines (1)

File	Patch %	Lines
openai.py	4.61%	⚠️ 600 Missing

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Generated by Codecov Action