New Features:
- Add ability to edit flight info on existing recordings (selected from flight log)
- Add ability to add flight info to existing recordings (selected from flight log)
- Add ability to edit flight log entries - edits are reflected in audio recordings
- Add share button to export full flight log as JSON
- Add multi-select mode in recordings list for batch sharing
- Add deviceName field to RecordingMetadata struct

Bug Fixes
- Fix device name storage to always use actual USB device name (e.g., "Sonos USB-C Line-in Adapter" instead of "IFE Audio")
- Preserve device name when updating flight info on recordings
- Fix recording playback to use phone speaker when no Bluetooth connected

Confirmed working adapters:
1. Saramonic SR-C2003
2. Saramonic SR-C2001
3. Movo UCMA-1
4. IK Multimedia iRig Stream
5. Cubilux USB C Audio Interface HLMS-C4

Fixed timer (was getting reset with Seat Doctor changes)
Added Seat Surgeon experimental features (Parametric EQ, Dynamic Leveler, Volume Limiter)
Improved UI documentation
Improved Remove Hum + Harmonics
Improved Dead Channel / Channel Imbalance detection
Improved latency calculation

Major New Features

1. Seat Doctor Audio Processing Suite
  - Smart Detection: Automatically identifies audio problems (dead channels, imbalance, electrical hum, clipping)
  - Voice Boost: Enhances dialogue clarity when voices are hard to hear - 5 strength levels targeting speech frequencies
  - Auto-Volume: Ceiling limiter to prevent loud announcements
  - Hum Removal: Eliminates electrical interference (50/60/400Hz) with adjustable 5-level strength control for very loud hum
  - Noise Gate: Removes background static and hiss (threshold increased from -46dB to -30dB to actually work)
  - Channel Fixes: Mirror, swap, or adjust balance for dead/imbalanced channels
  - 7-Band Graphic EQ: Full tone control

2. Flight Log
  - Permanent tracking of flight history
  - Organize recordings by flight number, date, aircraft type, seat, route
  - Browse past flights and access associated recordings

3. Siri Interruption Handling
  - Auto-restart after Siri accidentally activates from IFE audio

4. UI Simplification
  - Moved recording to separate menu for cleaner interface
  - Simplified workflow of main screen

5. Recording & Playback Improvements
  - Store actual device name in metadata
  - Improved share functionality
  - Better library management

6. Advanced Settings Enhancements
  - Visual indicators (green borders) when bridge is active
  - Improved USB device detection
  - Security audit fixes (3 medium-priority issues)

Bug Fixes:
  - Fixed Auto-Volume causing clipping (complete algorithm rewrite)
  - Fixed Noise Gate not working (threshold too low)
  - Fixed channel balance slider crash from rapid dragging
  - Fixed channel detection showing dead channel AND imbalance simultaneously
  - Fixed navigation bar title visibility issues
  - Fixed share sheet not appearing in recording list
  - Fixed AVRoutePickerView for iOS 18+ compatibility