Initial commit: Memind H5 portal with MindSpace, Plaza, and agent jobs.

Track application source and tests; exclude local env, user workspaces, and runtime data via .gitignore.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/hooks/useUserAvatar.ts

@@ -0,0 +1,38 @@
+import { useCallback, useEffect, useState } from 'react';
+import {
+  AVATAR_CHANGED_EVENT,
+  clearUserAvatar,
+  loadUserAvatar,
+  notifyAvatarChanged,
+  processAvatarFile,
+  saveUserAvatar,
+} from '../utils/userAvatar';
+
+export function useUserAvatar() {
+  const [avatarUrl, setAvatarUrl] = useState<string | null>(() => loadUserAvatar());
+
+  useEffect(() => {
+    const sync = () => setAvatarUrl(loadUserAvatar());
+    window.addEventListener(AVATAR_CHANGED_EVENT, sync);
+    window.addEventListener('storage', sync);
+    return () => {
+      window.removeEventListener(AVATAR_CHANGED_EVENT, sync);
+      window.removeEventListener('storage', sync);
+    };
+  }, []);
+
+  const updateAvatar = useCallback(async (file: File) => {
+    const dataUrl = await processAvatarFile(file);
+    saveUserAvatar(dataUrl);
+    setAvatarUrl(dataUrl);
+    notifyAvatarChanged();
+  }, []);
+
+  const resetAvatar = useCallback(() => {
+    clearUserAvatar();
+    setAvatarUrl(null);
+    notifyAvatarChanged();
+  }, []);
+
+  return { avatarUrl, updateAvatar, resetAvatar };
+}