fix: use HLS.js for fullscreen camera stream

Fullscreen HLS video now initializes HLS.js via bind:this + $effect
instead of raw <video src>, which only works in Safari. Non-Safari
browsers now correctly play HLS streams in fullscreen mode.

src/lib/components/widget/CameraStreamWidget.svelte

@@ -14,6 +14,7 @@
 	let error = $state(false);
 	let fullscreen = $state(false);
 	let videoEl: HTMLVideoElement | null = $state(null);
+	let fullscreenVideoEl: HTMLVideoElement | null = $state(null);
 
 	const streamType = $derived(config.type ?? 'image');
 	const refreshMs = $derived((config.refreshInterval ?? 10) * 1000);
@@ -106,6 +107,34 @@
 		};
 	});
 
+	// HLS.js for fullscreen video element
+	$effect(() => {
+		if (streamType !== 'hls' || !fullscreenVideoEl) return;
+		// eslint-disable-next-line @typescript-eslint/no-explicit-any
+		let hls: any = null;
+
+		(async () => {
+			try {
+				const { default: Hls } = await import('hls.js');
+				if (Hls.isSupported()) {
+					hls = new Hls();
+					hls.loadSource(config.streamUrl);
+					hls.attachMedia(fullscreenVideoEl!);
+				} else if (fullscreenVideoEl!.canPlayType('application/vnd.apple.mpegurl')) {
+					fullscreenVideoEl!.src = config.streamUrl;
+				}
+			} catch {
+				if (fullscreenVideoEl!.canPlayType('application/vnd.apple.mpegurl')) {
+					fullscreenVideoEl!.src = config.streamUrl;
+				}
+			}
+		})();
+
+		return () => {
+			if (hls) hls.destroy();
+		};
+	});
+
 	function handleImgError() {
 		error = true;
 		loading = false;
@@ -206,13 +235,15 @@
 		<!-- svelte-ignore a11y_click_events_have_key_events -->
 		<div class="max-h-[90vh] max-w-[90vw]" onclick={(e) => e.stopPropagation()}>
 			{#if streamType === 'hls'}
+				<!-- eslint-disable-next-line svelte/no-unused-svelte-ignore -->
+				<!-- svelte-ignore a11y_media_has_caption -->
 				<video
-					src={config.streamUrl}
 					autoplay
 					muted
 					playsinline
 					controls
 					class="max-h-[90vh] max-w-[90vw] object-contain"
+					bind:this={fullscreenVideoEl}
 				></video>
 			{:else}
 				<img