- Switch all UI components and tests from sharp box corners (`boxSharp`) to rounded ones (`boxRound`).
- Update `Theme` to re-export sharp junction symbols (tees and cross) under `boxRound` to ensure consistent divider rendering in rounded boxes.
- Remove outdated architectural notes regarding forced tool-choice queues in documentation.
- Added section-based plan parsing with per-section delete, undo, and annotate.
- Added Tab/Shift+Tab focus regions and per-line scroll navigation.
- Added Refine feedback loop emitting annotations back to the model.
- Added `OverlayOptions.fullscreen` borrowing the terminal's alt screen buffer.
- Replaced regex code-block parser with line scanner masking fences.
- Exposed `>`-quoted runs as drillable copy targets per message.
- Added combined "all quotes" target when multiple quotes exist.