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spreadsheet ui

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Your Name 2026-10-01 01:21:55 -04:00
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docs/lane-handoff.md
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@ -88,6 +88,21 @@ decision, not a cleanup.
## Next steps, in order
The cel sheet now supports rectangular selection by pointer drag, Shift-click,
and Shift-arrow, plus an editor-local clipboard (Cmd/Ctrl C/X/V). Paste
overwrites the destination rectangle, including copied gaps, and reuses drawing
symbols. Partial cels retain their local clocks, playback and corrections.
Delete clears frames without closing time. Each cut, paste or clear is one
history transaction. The clipboard belongs to the mounted sheet and current
document; it is not a system clipboard interchange format.
A selected held cel has a bottom-right resize handle. Dragging previews its new
extent and commits one ripple edit on release; Escape cancels. Overflow uses
the existing explicit shot-extension retry. Rectangle edits currently require
lanes on the sheet's clock and paste must fit within the shot and available
columns. Insert-paste, moving rectangles, and repeating multi-cel patterns with
the handle remain future work.
The implemented correction slice and its remaining UI limits are recorded in
[Correction authoring](correction-authoring-plan.md).