feat(service-integrations): phases 9-10 — media integrations + Planka

- Emby: now playing, library stats, recently added, active streams
- Immich: library stats, recent uploads with formatted storage
- Deluge: active torrents with progress, transfer speed, disk space gauge
- MeTube: download queue progress (no auth required)
- Planka: my cards, overdue cards with red badges, board summary
- All 11 integrations registered in registry

src/lib/server/integrations/metube/transform.ts

@@ -0,0 +1,17 @@
+import type { ProgressData } from '../types.js';
+import type { MetubeQueueItem } from './client.js';
+
+export function toDownloadQueue(
+	queue: Record<string, MetubeQueueItem>
+): ProgressData {
+	const entries = Object.entries(queue);
+
+	return {
+		items: entries.map(([id, item]) => ({
+			id,
+			label: item.title || item.filename || id,
+			progress: Math.round(item.percent ?? 0),
+			subtitle: item.status || undefined
+		}))
+	};
+}