App Interface Guideline: Performance — Debounce High-Freq Events. Keywords: debounce scroll search. Platform: iOS/Android/React Native. Description: Debounce scroll/search callbacks to avoid jank. Do: Wrap handlers with debounce/throttle. Don't: Run heavy logic on every event. Good Example: onScroll={debouncedHandleScroll}. Bad Example: onScroll={handleScrollHeavy}. Severity: Medium.