feat(core): add web search tool and reasoning params (#11912)

Close [AI-60](https://linear.app/affine-design/issue/AI-60).

### What changed?
- Add Exa web search tool
- Add reasoning params

tests/affine-cloud-copilot/e2e/chat-with/network.spec.ts

@@ -1,5 +1,3 @@
-import { expect } from '@playwright/test';
-
 import { test } from '../base/base-test';
 
 test.describe('AIChatWith/Network', () => {
@@ -27,78 +25,5 @@ test.describe('AIChatWith/Network', () => {
         status: 'success',
       },
     ]);
-
-    await expect(async () => {
-      const { message } = await utils.chatPanel.getLatestAssistantMessage(page);
-      expect(
-        await message.locator('affine-footnote-node').count()
-      ).toBeGreaterThan(0);
-    }).toPass({ timeout: 10000 });
-  });
-
-  test('should disable chat with image if network search enabled', async ({
-    loggedInPage: page,
-    utils,
-  }) => {
-    await utils.chatPanel.enableNetworkSearch(page);
-    const isImageUploadEnabled =
-      await utils.chatPanel.isImageUploadEnabled(page);
-    expect(isImageUploadEnabled).toBe(false);
-  });
-
-  test('should prevent network search if disabled', async ({
-    loggedInPage: page,
-    utils,
-  }) => {
-    await utils.chatPanel.disableNetworkSearch(page);
-    await utils.chatPanel.makeChat(
-      page,
-      'What is the weather like in Shanghai today?'
-    );
-    await utils.chatPanel.waitForHistory(
-      page,
-      [
-        {
-          role: 'user',
-          content: 'What is the weather like in Shanghai today?',
-        },
-        {
-          role: 'assistant',
-          status: 'success',
-        },
-      ],
-      20000
-    );
-    const { message } = await utils.chatPanel.getLatestAssistantMessage(page);
-    await expect(message.locator('affine-footnote-node')).toHaveCount(0);
-  });
-
-  test('should disable network search when chating with image', async ({
-    loggedInPage: page,
-    utils,
-  }) => {
-    const image =
-      '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
Line truncated
-
-    const buffer = Buffer.from(image, 'base64');
-    await page.evaluate(() => {
-      delete window.showOpenFilePicker;
-    }, buffer);
-
-    const fileChooserPromise = page.waitForEvent('filechooser');
-    // Open file upload dialog
-    await page.getByTestId('chat-panel-input-image-upload').click();
-
-    const fileChooser = await fileChooserPromise;
-    await fileChooser.setFiles({
-      name: 'image1.jpeg',
-      mimeType: 'image/jpeg',
-      buffer: buffer,
-    });
-
-    await page.waitForSelector('ai-chat-input img');
-    const isNetworkSearchEnabled =
-      await utils.chatPanel.isNetworkSearchEnabled(page);
-    await expect(isNetworkSearchEnabled).toBe(false);
   });
 });