Replace gemini-3-pro-preview with gemini-3.1-pro-preview

[ystknsh]

概要

gemini-3-pro-preview が非推奨になったため、gemini-3.1-pro-preview に置換。

• server/routes/html.ts - HTML生成で使用するモデル
• server/llm/textService.ts - テキストサービスのモデルリスト（先頭に移動）
• benchmark/src/config.ts - ベンチマーク設定

参考

• https://ai.google.dev/gemini-api/docs/deprecations

Summary by CodeRabbit

• Updates
  • Updated the default Google Gemini AI model to a newer version for improved performance and enhanced capabilities across text generation and HTML content rendering services. Includes revised recommendations for users selecting Google as their provider.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

Configuration used: defaults

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between a4901bb and 949e2bd.

📒 Files selected for processing (3)

• benchmark/src/config.ts
• server/llm/textService.ts
• server/routes/html.ts

---

📝 Walkthrough

Walkthrough

This pull request updates Google Gemini model references from version 3-pro-preview to 3.1-pro-preview across the configuration and server files, including model suggestion lists and hardcoded references in route handlers.

Changes

Cohort / File(s)	Summary
Model Configuration benchmark/src/config.ts, server/llm/textService.ts	Updated Google Gemini model entries from "gemini-3-pro-preview" to "gemini-3.1-pro-preview"; backward-compatibility alias and model suggestion list updated to reference the new version.
Route Handler server/routes/html.ts	Replaced hardcoded Gemini model references from 3-pro-preview to 3.1-pro-preview in backend model computation and content-generation call.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~5 minutes

Poem

🐰 Hoppity-hop, the models ascend,
From three to three-point-one, a version trend,
Gemini shines with its newest release,
Our configurations now bring sweet peace! ✨

🚥 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 accurately and concisely describes the main change across the pull request: replacing the deprecated gemini-3-pro-preview model with gemini-3.1-pro-preview in multiple configuration and service files.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

• 📝 Generate docstrings (stacked PR)
• 📝 Generate docstrings (commit on current branch)

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch update-gemini-3.1-pro-preview

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands and usage tips.}