♻️ refactor(web): migrate React modules from .js to .jsx and align entrypoint

- Rename React components/pages/utilities that contain JSX to `.jsx` across `web/src`
- Update import paths and re-exports to match new `.jsx` extensions
- Fix Vite entry by switching `web/index.html` from `/src/index.js` to `/src/index.jsx`
- Verified remaining `.js` files are plain JS (hooks/helpers/constants) and do not require JSX
- No runtime behavior changes; extension and reference alignment only

Context: Resolves the Vite pre-transform error caused by the stale `/src/index.js` entry after migrating to `.jsx`.

web/src/pages/Setting/Model/SettingGeminiModel.jsx

@@ -28,7 +28,7 @@ import {
   verifyJSON,
 } from '../../../helpers';
 import { useTranslation } from 'react-i18next';
-import Text from '@douyinfe/semi-ui/lib/es/typography/text.js';
+import Text from '@douyinfe/semi-ui/lib/es/typography/text';
 
 const GEMINI_SETTING_EXAMPLE = {
   default: 'OFF',
@@ -228,7 +228,7 @@ export default function SettingGeminiModel(props) {
                   label={t('思考预算占比')}
                   field={'gemini.thinking_adapter_budget_tokens_percentage'}
                   initValue={''}
-                  extraText={t('0.002-1之间的小数')} 
+                  extraText={t('0.002-1之间的小数')}
                   min={0.002}
                   max={1}
                   onChange={(value) =>