- Handled frame shrink by re-anchoring windowTop and chunkTo at commit boundaries.
- Reset committedRows when the frame shrank into committed content to keep history immutable.
- Treated geometryChanged like overlay when advancing chunkTo to stabilize repaint commit timing.
- Updated regressions to assert stable scrollback prefixes and no clear-home/dclear repaint bytes.
- Added an interrupt state in EventController to switch the working label to `Interrupting...` and suspend intent-driven updates until the turn resets.
- Called `notifyInterrupting()` from streaming-interrupt paths in InputController and exposed it on InteractiveModeContext so Esc acknowledgement shows immediately while tools tear down.
- Added tests to verify loader acknowledgement, freeze of late intent updates during interruption, and label updates resuming on the next agent start.
can1357