feat(electron): add welcome page for meetings (#12042)

fix AF-2572

![image.png](https://graphite-user-uploaded-assets-prod.s3.amazonaws.com/T2klNLEk0wxLh4NRDzhk/0e56b58a-97b4-4984-81fa-f8e45f8cc561.png)

![image.png](https://graphite-user-uploaded-assets-prod.s3.amazonaws.com/T2klNLEk0wxLh4NRDzhk/97e3bb97-e326-48f6-8dd4-27734f583775.png)

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

- **New Features**
  - Introduced a Meetings welcome page with a beta disclaimer and "Get Started" flow.
  - Added separate toggles for AI auto summary and AI auto todo list in meeting settings.
  - Added "Beta" labels to relevant settings and sidebar items for clearer feature status.
  - Enhanced settings UI with improved headers, subtitles, and new styling.

- **Improvements**
  - Meeting settings now allow independent control over AI-generated summaries and todo lists.
  - Updated internationalization to support new meeting and AI transcription features, including richer prompts and hints.
  - Refined logic for enabling meeting recording, including improved permission handling.
  - Simplified transcription logic to rely solely on AI enablement flag.

- **Bug Fixes**
  - Fixed display and control of meeting settings based on beta disclaimer acceptance.

- **Chores**
  - Updated localization files and completeness percentages for several languages.
  - Removed deprecated feature flag for enabling meetings.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/frontend/apps/electron-renderer/src/app/effects/recording.ts

@@ -2,7 +2,6 @@ import type { DocProps } from '@affine/core/blocksuite/initialization';
 import { DocsService } from '@affine/core/modules/doc';
 import { EditorSettingService } from '@affine/core/modules/editor-setting';
 import { AudioAttachmentService } from '@affine/core/modules/media/services/audio-attachment';
-import { MeetingSettingsService } from '@affine/core/modules/media/services/meeting-settings';
 import { WorkbenchService } from '@affine/core/modules/workbench';
 import { DebugLogger } from '@affine/debug';
 import { apis, events } from '@affine/electron-api';
@@ -94,16 +93,7 @@ export function setupRecordingEvents(frameworkProvider: FrameworkProvider) {
                 model.props.sourceId = blobId;
                 model.props.embed = true;
 
-                const meetingSettingsService = frameworkProvider.get(
-                  MeetingSettingsService
-                );
-
-                if (
-                  !meetingSettingsService.settings.autoTranscription ||
-                  !aiEnabled
-                ) {
-                  // auto transcription is disabled,
-                  // so we don't need to transcribe the recording by default
+                if (!aiEnabled) {
                   return;
                 }