v0.3.0

Added

• Auto channel layout detection with loudness weights for 5.0, 5.1, 7.0, 7.1 surround formats
• Channel label overrides in Settings for custom channel naming
• Refreshable update checks with manual refresh button
• Global keyboard shortcut for Clear action with customizable combo
• Keyboard shortcuts section in Settings
• ShortcutCapture key-recording control for recording custom shortcuts

Changed

• Removed manual Channel layout setting (now auto-detected from audio stream)
• Settings panel layout improvements (labels and controls on same line for dropdowns)
• Removed Settings title from panel header for cleaner UI

Fixed

• Channel labels for quad/LCR/5.0 layouts in auto mode
• Global hotkey now freed while recording a new combo
• Clear combos now reject collisions with in-app shortcuts