SED Panel v2.2.0

Added

• FFmpeg thumbnail pipeline for fast batch extraction
• Python cv2 thumbnail fallback when FFmpeg unavailable
• Thumbnail poller system with 45s timeout
• Thumbnail progress modal with progress bar, count, ETA, cancel button
• Merge adjacent scenes feature
• Global error handler (window.onerror) catches uncaught JS exceptions
• _jsLog() structured logging helper to AE ExtendScript console
• Cancel flags (_thumbCancelled, _readCancelled) for safe abort
• ETA display during thumbnail generation
• New i18n strings: scene_count, scene_from_markers, read_cancelled, no_markers, ffmpeg_stalled

Changed

• readThumbDataURI() now detects JPG vs PNG for correct MIME type
• Thumbnail system rewritten to support FFmpeg/cv2/AE fallback chain

Compatibility

• Adobe After Effects 2022 (v22.0) through 2026 (v26.0)