!debounce
!debounce delays updates to avoid noisy rapid changes.
Example
<input class="search" vsn-bind:to!debounce(300)="query" />
The scope update waits 300ms after the last keystroke.
Default timing
If no value is provided, VSN.js uses a 200ms debounce.
Caveats
Debounce only affects incoming updates (element → scope).