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/kit/src/utils/cloud.ts

@@ -280,6 +280,27 @@ export async function loginUserDirectly(
   }
 }
 
+async function dismissBlockingModal(page: Page) {
+  const modal = page.locator('modal-transition-container [data-modal="true"]');
+  if (
+    !(await modal
+      .first()
+      .isVisible()
+      .catch(() => false))
+  ) {
+    return;
+  }
+
+  const closeButton = page.getByTestId('modal-close-button').last();
+  if (await closeButton.isVisible().catch(() => false)) {
+    await closeButton.click({ timeout: 5000 });
+  } else {
+    await page.keyboard.press('Escape');
+  }
+
+  await expect(modal.first()).toBeHidden({ timeout: 10000 });
+}
+
 export async function enableCloudWorkspace(page: Page) {
   await clickSideBarSettingButton(page);
   await page.getByTestId('workspace-setting:preference').click();
@@ -288,6 +309,7 @@ export async function enableCloudWorkspace(page: Page) {
   // wait for upload and delete local workspace
   await page.waitForTimeout(2000);
   await waitForAllPagesLoad(page);
+  await dismissBlockingModal(page);
   await clickNewPageButton(page);
 }
 
@@ -303,6 +325,7 @@ export async function enableCloudWorkspaceFromShareButton(page: Page) {
   // wait for upload and delete local workspace
   await page.waitForTimeout(2000);
   await waitForEditorLoad(page);
+  await dismissBlockingModal(page);
   await clickNewPageButton(page);
 }
 

tests/kit/src/utils/page-logic.ts

@@ -48,7 +48,10 @@ export async function clickNewPageButton(page: Page, title?: string) {
 }
 
 export async function waitForEmptyEditor(page: Page) {
-  await expect(page.locator('.doc-title-container-empty')).toBeVisible();
+  await page.waitForSelector(
+    '.doc-title-container-empty, doc-title .inline-editor',
+    { timeout: 20000 }
+  );
 }
 
 export function getBlockSuiteEditorTitle(page: Page) {