Command palette example#147
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…mented A task list where every action is a palette command: Cmd+Shift+P (the keyboard-shortcuts docs' exact example id) toggles it, typing filters static and per-task commands, Enter runs the selection, and plain ArrowUp/Down navigate the list while focus stays in the query field. The arrow navigation is pure userland over the edit-derivation seam: single-line fields stamp unmodified vertical arrows as caret start/end move_caret edits, and the core reinterprets those as list navigation in its palette_edit arm. No runtime changes, no key fallback. Verified live through the automation harness on the current main.
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Description
The keyboard-shortcuts docs call an
openCommandPalette()that existed nowhere in the tree. This example implements it: a task app where Cmd+Shift+P opens the palette, typing filters static and per-task commands, and Enter runs the selection.ArrowUp/Down navigation is pure userland: the v0.5.2 edit-derivation seam stamps vertical arrows in single-line fields as
move_caretedits, and the core reads those as list navigation. No runtime changes. Verified through the automation harness on current main;scripts/gate.sh fast origin/mainis green.Known gap: no screen-reader announcement when arrowing through results; candidate SDK-level follow-up.
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