fix: codex Unsupported parameter: max_output_tokens

[seefs001]

Summary by CodeRabbit

• Bug Fixes
  • Removed the maximum output token restriction so responses are no longer artificially truncated.
  • Cleared custom temperature overrides to restore default sampling behavior.
  • Result: more complete and consistent AI-generated outputs across requests.

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[coderabbitai]

Walkthrough

The ConvertOpenAIResponsesRequest function in the adaptor now disables max output tokens by setting MaxOutputTokens = 0 and clears Temperature by setting it to nil; control flow and error handling remain unchanged.

Changes

Cohort / File(s)	Summary
OpenAI Response Conversion relay/channel/codex/adaptor.go	Sets request.MaxOutputTokens = 0 to disable max output tokens and request.Temperature = nil to clear temperature in ConvertOpenAIResponsesRequest (added comment about removal of max_output_tokens).

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 I hopped in the code with a twitch of my nose,
MaxOutput set zero — the cap gently goes,
Temperature cleared with a delicate nudge,
One tidy tweak, not a function to judge,
A rabbit’s small cheer for a change that’s just snug! 🥕

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and specifically addresses the main change: removing the unsupported 'max_output_tokens' parameter from the Codex adaptor, which aligns with the code modification that disables max output tokens.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

• 📝 Generate docstrings

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