feat(server): adapt gemini3.1 preview (#14583)

#### PR Dependency Tree


* **PR #14583** 👈

This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **New Features**
* Added Gemini 3.1 Pro Preview support (text, image, audio) and new
GPT‑5 variants as defaults; centralized persistent telemetry state for
more reliable client identity.

* **UX**
  * Improved model submenu placement in chat preferences.
* More robust mindmap parsing, preview, regeneration and replace
behavior.

* **Chores**
  * Bumped AI SDK and related dependencies.

* **Tests**
  * Expanded/updated tests and increased timeouts for flaky flows.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

tests/affine-cloud-copilot/e2e/ai-action/generate-presentation.spec.ts

@@ -3,6 +3,8 @@ import { expect } from '@playwright/test';
 import { test } from '../base/base-test';
 
 test.describe('AIAction/GeneratePresentation', () => {
+  test.describe.configure({ timeout: 240000 });
+
   test.beforeEach(async ({ loggedInPage: page, utils }) => {
     await utils.testUtils.setupTestEnvironment(page);
     await utils.chatPanel.openChatPanel(page);