Release 1.1.0: Add Import Audio Files feature

- New Import tab with drag-and-drop support for audio files
- Support for 8 formats: MP3, MP4, WAV, M4A, FLAC, OGG, AAC, WMA
- File metadata display (duration, size, format)
- Editable meeting titles
- Progress tracking with visual indicators
- Smart template selection
- Auto-navigation to Transcription view
- Updated README with BlackHole requirement and Teams config
- Added get_audio_metadata Rust command
- Version bump to 1.1.0

RELEASE_NOTES_1.1.0.md

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+# Release Notes - Version 1.1.0
+
+**Release Date**: January 21, 2026
+
+## 🎉 What's New
+
+### Import Audio Files Feature
+
+We've added a powerful new **Import** tab that allows you to upload and process existing audio/video files!
+
+**Key Features:**
+- **Drag-and-Drop Upload**: Simply drag your audio files into the app
+- **8 Format Support**: MP3, MP4, WAV, M4A, FLAC, OGG, AAC, WMA
+- **Smart Metadata Display**: See file duration, size, and format before processing
+- **Editable Meeting Titles**: Customize the name (defaults to filename)
+- **Progress Tracking**: Visual indicators for each stage (Validating → Transcribing → Summarizing)
+- **Same AI Power**: Uses the same AI templates and Smart Select as live recordings
+- **Auto-Navigation**: Seamlessly transition to Transcription view when complete
+
+**Use Cases:**
+- Process pre-recorded meetings you forgot to record live
+- Batch process voice memos
+- Import recordings from other devices
+- Archive and transcribe old meeting recordings
+
+---
+
+## 📝 Documentation Updates
+
+### README Enhancements
+- Added mandatory **BlackHole 2ch Driver** requirement to Prerequisites
+- Clarified **Teams/Zoom configuration** (Speaker vs. Microphone settings)
+- Added detailed setup instructions for meeting audio capture
+
+---
+
+## 🔧 Technical Improvements
+
+- Added `get_audio_metadata` Rust command for file metadata extraction
+- Improved tab navigation with new Import tab
+- Enhanced error handling for file validation
+- Code optimizations and cleanup
+
+---
+
+## 📦 Installation
+
+Download the DMG file:
+```
+Hearbit_AI_1.1.0_aarch64.dmg
+```
+
+**Location**: `src-tauri/target/release/bundle/dmg/`
+
+### First-time Installation
+If you see "Hearbit AI is damaged and can't be opened":
+```bash
+sudo xattr -cr /Applications/Hearbit\ AI.app
+```
+
+---
+
+## 🐛 Known Issues
+
+None reported for this release.
+
+---
+
+## 🙏 Credits
+
+Built with ❤️ by the Livtec team using Tauri, React, and TypeScript.
+
+---
+
+## What's Next?
+
+Potential future enhancements:
+- Meeting auto-stop when meeting ends (via M365 API)
+- Batch file import
+- Audio preview player
+- More audio format conversions