feat(stats): add v1 immersion stats dashboard (#19)

stats/src/hooks/useMediaLibrary.ts

@@ -0,0 +1,34 @@
+import { useState, useEffect } from 'react';
+import { getStatsClient } from './useStatsApi';
+import type { MediaLibraryItem } from '../types/stats';
+
+export function useMediaLibrary() {
+  const [media, setMedia] = useState<MediaLibraryItem[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+
+  useEffect(() => {
+    let cancelled = false;
+    setLoading(true);
+    setError(null);
+    getStatsClient()
+      .getMediaLibrary()
+      .then((rows) => {
+        if (cancelled) return;
+        setMedia(rows);
+      })
+      .catch((err: Error) => {
+        if (cancelled) return;
+        setError(err.message);
+      })
+      .finally(() => {
+        if (cancelled) return;
+        setLoading(false);
+      });
+    return () => {
+      cancelled = true;
+    };
+  }, []);
+
+  return { media, loading, error };
+}