- FOCUSED_BG and FOCUSED_BORDER tokens in feedbackStyles
- headerSlot prop for draft pin comment input above thread list
- focusedThreadId prop highlights active thread row with accent border
- ThreadListItem gains focused prop with left border + subtle background
- PinOverlay: zero-allocation rendering with in-place Graphics/Text updates,
fix WebGL texture crash (addressModeU null) from orphaned Text objects
- Pins always visible on media, track during drag via updatePositions() fast path
- Replace eraser with Review mode in toolbar tool group (orange gradient)
- Add tool instruction hints bar below toolbar (context-sensitive per tool)
- Feedback panel: glassmorphism, improved ThreadDetail/CommentItem/ThreadListItem
- Timestamps: relative with "ago" suffix, full date on hover tooltip
- De-emphasize pin numbers, show status text in thread list
- Animated arrangement transitions (easeOutCubic, 320ms) for pack/grid/row/column
- Disable snap guides (user requested)
- Paste now selects newly created items
- Remove eraser keyboard shortcuts, remap tool shortcuts
- Orphaned thread cleanup: safe destroy check for deleted media pins