[auto] update framing text to reference red line instead of box

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/components/GestureOverlay.tsx

@@ -24,8 +24,8 @@ export function GestureOverlay({ gesture, calibrationStatus, framingHint }: Prop
       )}
       <div className="debug-status">
         {calibrationStatus === 'framing' && (framingHint
-          ? `Fit inside the red box — ${framingHint}`
-          : 'Fit your whole body inside the red box')}
+          ? `Stay above the red line — ${framingHint}`
+          : 'Stand so your whole body is above the red line')}
         {calibrationStatus === 'waiting' && 'Hold still...'}
         {calibrationStatus === 'calibrating' && 'Calibrating — hold still...'}
         {calibrationStatus === 'pos-center' && 'Raise arms to start'}