fix: use untrack() in float clamp effect to prevent reactive loop that locked up the page

ui/src/lib/components/AudioPlayer.svelte

@@ -50,6 +50,7 @@
 
 	import { audioStore } from '$lib/audio.svelte';
 	import { goto } from '$app/navigation';
+	import { untrack } from 'svelte';
 	import { Button } from '$lib/components/ui/button';
 	import { cn } from '$lib/utils';
 	import type { Voice } from '$lib/types';
@@ -1010,11 +1011,14 @@
 		try { (e.currentTarget as HTMLElement).releasePointerCapture(e.pointerId); } catch { /* ignore */ }
 	}
 
-	// Clamp saved position to viewport on mount and on resize
+	// Clamp saved position to viewport on mount and on resize.
+	// Use untrack() when reading floatPos to avoid a reactive loop
+	// (reading + writing the same state inside $effect would re-trigger forever).
 	$effect(() => {
 		if (typeof window === 'undefined') return;
 		const clamp = () => {
-			audioStore.floatPos = clampFloatPos(audioStore.floatPos.x, audioStore.floatPos.y);
+			const { x, y } = untrack(() => audioStore.floatPos);
+			audioStore.floatPos = clampFloatPos(x, y);
 		};
 		clamp();
 		window.addEventListener('resize', clamp);