6254c0431e
- Conversion now happens inline on the file list — status column updates from idle → converting... → done/error in place (no separate screen) - Fixed value-receiver bug in convertNext() that prevented 'converting' status from being displayed - Added cwebp fallback for PNG/JPEG → WebP (ffmpeg webp encoder often missing on macOS) - Format selector arrows hidden during conversion/results states - Simplified to 2 states: stateFileList + stateResults - Added tests for conversion state machine and view rendering