Implements Cmd/Ctrl+Z and Cmd/Ctrl+Shift+Z (plus Ctrl+Y on Windows/Linux)
using local history snapshots in VideoEditor only. This avoids importing
upstream UI/layout/button changes while preserving the same undo/redo idea.
- Added electron IPC handler 'reveal-in-folder' to show exported file in finder
- Created toast notification with clickable action to reveal exported video
- Added Show in Folder button in export success dialog
- Implemented proper state management for exported file path
- Fixed timing issue where exportedFilePath was reset too early
Removed 10 FPS from valid GIF frame rates and the 'small' size preset from GIF export options. Updated UI grid layouts and tests to reflect these changes for consistency.
Updated the Tabs and TabsList components in SettingsPanel to use fixed min and max heights and improved flex properties for better layout consistency and scrolling behavior.
Implements GIF export alongside MP4, including new export types, a GIF exporter module, UI components for format selection and GIF options, and integration into the export dialog and video editor. Adds property-based and unit tests for GIF export correctness, updates dependencies to include gif.js and related types, and refines Electron save dialog to support GIF files.
Introduces a new utility (platformUtils.ts) to format keyboard shortcuts based on the user's platform (macOS or others). Updates KeyboardShortcutsHelp and TimelineEditor to use the new formatShortcut function for displaying shortcuts, ensuring correct symbols are shown for modifier keys.
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