FA-9009 / Keyboard interactions / Member archive

Scoped keyboard shortcut dispatch: Already-consumed key events dispatch another command · case 04

Already-consumed key events dispatch another command.

Member previewVariant 4 · 3 implementations · 12 checks per implementation

Case contract

Ignore prevented, repeated, and editable-origin events; use platform primary modifier; Alt blocks shortcuts; Shift-Z redoes, Z undoes, unshifted S saves.

Why this case matters

A deterministic model of scoped keyboard shortcut dispatch; this isolates one interface invariant without requiring a browser.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
prevented	`"undo"`	`null`	Failed

MEMBER ARCHIVE

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This record includes three runnable implementations, regression fixtures, execution results, and source hashes.

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