fix AF-2609
webm container with opus has limited support on Safari. Change to mp4 instead.
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Audio recordings are now saved in MP4 format instead of WebM, improving compatibility with a wider range of devices and applications.
- **Chores**
- Updated dependencies to use MP4 muxing tools in place of WebM.
- Internal audio encoding utilities and references updated to support MP4 container format.
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fix AF-2611
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **Refactor**
- Improved the process for adding audio attachments after a recording is ready, ensuring all details (name, type, size, source, embed) are included at creation for a smoother and more reliable user experience.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced feature flag synchronization for enhanced control over feature availability.
- Added new configuration options for store management, allowing initialization and feature flag setup.
- **Improvements**
- Updated how store extensions are accessed throughout the app for more robust initialization and configuration.
- Enhanced workspace entities to support feature flag services, improving flexibility for workspace-specific features.
- Centralized configuration of storage implementations for Electron environments.
- **Refactor**
- Simplified editor module by removing direct feature flag synchronization logic.
- Streamlined imports and configuration for storage modules, especially in Electron-based apps.
- **Bug Fixes**
- Ensured consistent retrieval of store extensions across various modules and platforms.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Documents now automatically track and display "created by" and "updated by" user information.
- Document creation and update timestamps are now managed and shown more accurately.
- Workspace and document metadata (name, avatar) updates are more responsive and reliable.
- Document creation supports middleware for customizing properties and behavior.
- **Improvements**
- Simplified and unified event handling for document list updates, reducing redundant event subscriptions.
- Enhanced integration of editor and theme settings into the document creation process.
- Explicit Yjs document initialization for improved workspace stability and reliability.
- Consolidated journal-related metadata display in document icons and titles for clarity.
- **Bug Fixes**
- Fixed inconsistencies in how workspace and document names are set and updated.
- Improved accuracy of "last updated" indicators by handling timestamps automatically.
- **Refactor**
- Removed deprecated event subjects and direct metadata manipulation in favor of more robust, reactive patterns.
- Streamlined document creation logic across various features (quick search, journal, recording, etc.).
- Simplified user avatar display components and removed cloud metadata dependencies.
- Removed legacy editor setting and theme service dependencies from multiple modules.
- **Chores**
- Updated internal APIs and interfaces to support new metadata and event handling mechanisms.
- Cleaned up unused code and dependencies related to editor settings and theme services.
- Skipped flaky end-to-end test to improve test suite stability.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix AF-2572


<!-- 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 -->
- Added a check to verify if AI is enabled before attempting to transcribe meeting recordings
- Improved error handling for empty recordings
- Fixed the recording timeout logic to ensure it only stops the correct recording session
Added a recording popup UI for the audio recording feature in the desktop app, improving the user experience when capturing audio from applications.
### What changed?
- Created a new popup window system for displaying recording controls
- Added a dedicated recording UI with start/stop controls and status indicators
- Moved audio encoding logic from the main app to a dedicated module
- Implemented smooth animations for popup appearance/disappearance
- Updated the recording workflow to show visual feedback during recording process
- Added internationalization support for recording-related text
- Modified the recording status flow to include new states: new, recording, stopped, ready
fix AF-2340
AudioMedia entity for loading & controlling a single audio media
AudioMediaManagerService: Global audio state synchronization across tabs
AudioAttachmentService + AudioAttachmentBlock for manipulating AttachmentBlock in affine - e.g., filling transcription (using mock endpoint for now)
Added AudioBlock + AudioPlayer for rendering audio block in affine (new transcription block whose renderer is provided in affine)
fix AF-2292
fix AF-2337