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

stats/src/hooks/useAnimeLibrary.ts

@@ -0,0 +1,29 @@
+import { useState, useEffect } from 'react';
+import { getStatsClient } from './useStatsApi';
+import type { AnimeLibraryItem } from '../types/stats';
+
+export function useAnimeLibrary() {
+  const [anime, setAnime] = useState<AnimeLibraryItem[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+
+  useEffect(() => {
+    let cancelled = false;
+    getStatsClient()
+      .getAnimeLibrary()
+      .then((data) => {
+        if (!cancelled) setAnime(data);
+      })
+      .catch((err: Error) => {
+        if (!cancelled) setError(err.message);
+      })
+      .finally(() => {
+        if (!cancelled) setLoading(false);
+      });
+    return () => {
+      cancelled = true;
+    };
+  }, []);
+
+  return { anime, loading, error };
+}