Andrew Kesterson badaf570ab Stop a stationary pointer from pinning the menu selection ...

A pointer parked over a menu row re-claimed the selection on every frame's
declaration, so keyboard navigation fought the mouse sixty times a second
and lost -- press Up, and the hover put the selection straight back. Found
by the UI demo's scripted tour: its mouse click leaves the pointer resting
on the menu, and the Up keystroke that followed did nothing.

Hover now moves the selection only on frames the pointer actually moved (or
clicked), through a frame-latched motion edge beside the existing press
edge. Parking the mouse claims nothing; moving it onto a row still selects,
clicking still selects and activates. Regression test drives the exact
sequence: click a row, move the selection away by keyboard, redeclare, and
assert the stationary pointer stole nothing back.

Co-Authored-By: Claude Code (Claude Fable 5, claude-fable-5) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KzBDV2fqgnUAcqCKqKvc71

2026-08-02 11:24:57 -04:00

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