Added to OpenAI and Azure

GPT-5.1: adaptive reasoning 
GPT-5.1-codex: advanced coding workflows
GPT-5.1-codex-mini: compact and efficient








<!-- This is an auto-generated description by cubic. -->
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## Summary by cubic
Added support for OpenAI and Azure GPT-5.1, including GPT-5.1 Codex and
Codex Mini, for smarter conversations and better coding tasks. All
models use a 400k context window, require temperature 1, and leave max
output tokens unspecified to align with API behavior.

<sup>Written for commit 9788541c88732aa7d522fc70bfb20f22c3544982.
Summary will update automatically on new commits.</sup>

<!-- End of auto-generated description by cubic. -->








<!-- CURSOR_SUMMARY -->
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> [!NOTE]
> Adds GPT-5.1, GPT-5.1 Codex, and Codex Mini to OpenAI and Azure model
catalogs with 400k context and temperature 1 (max output tokens
unspecified).
> 
> - **Model registry updates
(`src/ipc/shared/language_model_constants.ts`)**:
>   - **OpenAI**:
> - Add `gpt-5.1`, `gpt-5.1-codex`, `gpt-5.1-codex-mini` (400k
`contextWindow`, `temperature: 1`, `maxOutputTokens: undefined`).
> - Keep existing `gpt-5`, `gpt-5-codex`, `gpt-5-mini`, `gpt-5-nano`,
`o4-mini`.
>   - **Azure**:
> - Add `gpt-5.1`, `gpt-5.1-codex`, `gpt-5.1-codex-mini` with matching
settings (400k `contextWindow`, `temperature: 1`).
> 
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
9788541c88732aa7d522fc70bfb20f22c3544982. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

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Co-authored-by: Will Chen <willchen90@gmail.com>