docs: document v0.17.1 SDK updates

[seratch]

This pull request updates the English documentation for caller-visible changes planned for v0.17.1. It explains OpenAIProvider client selection and option conflicts, documents unsuccessful Responses terminal handling across retry, usage, streaming, and persistence boundaries, and covers Docker sandbox label precedence and resume checks.

[changeset-bot]

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Latest commit: 5785f61

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[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-07T22:54:55.798721Z	5785f61	New commits
🔒 Security Review	✅ Completed 2026-09-07T22:55:22.350926Z	5785f61	New commits

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[github-actions]

This PR is stale because it has been open for 10 days with no activity.