Command palette: a filterable role="listbox" of role="option" commands
with arrow navigation, type-to-filter (matching text + data-hl-keywords),
automatic empty-state and group hiding, and Enter to run the active command
(emits a cancelable hl:command CustomEvent). When the palette lives inside
a <dialog>, an optional data-hl-command-hotkey opens it with Cmd/Ctrl+key.
Command palette: a filterable
role="listbox"ofrole="option"commands with arrow navigation, type-to-filter (matching text +data-hl-keywords), automatic empty-state and group hiding, and Enter to run the active command (emits a cancelablehl:commandCustomEvent). When the palette lives inside a<dialog>, an optionaldata-hl-command-hotkeyopens it with Cmd/Ctrl+key.