fix(react-auth): add updateUser to AuthContextValue + provider for local user state mutation

packages/react-auth/src/auth-context.tsx

@@ -274,6 +274,17 @@ export function createAuthProvider<TUser extends BaseUser = BaseUser>(config: Au
       [api]
     );
 
+    // ── Update user (local state + localStorage) ──
+
+    const updateUser = useCallback((updates: Partial<TUser>) => {
+      setUser(prev => {
+        if (!prev) return null;
+        const updated = { ...prev, ...updates };
+        localStorage.setItem(USER_KEY, JSON.stringify(updated));
+        return updated;
+      });
+    }, []);
+
     // ── Delete account ─────────────────────────────
 
     const deleteAccount = useCallback(
@@ -319,6 +330,7 @@ export function createAuthProvider<TUser extends BaseUser = BaseUser>(config: Au
           forgotPassword,
           changePassword,
           deleteAccount,
+          updateUser,
           clearMessages,
         }}
       >

packages/react-auth/src/types.ts

@@ -17,6 +17,7 @@ export interface AuthContextValue<TUser extends BaseUser = BaseUser> {
   forgotPassword: (email: string) => Promise<boolean>;
   changePassword: (currentPassword: string, newPassword: string) => Promise<boolean>;
   deleteAccount: (password: string) => Promise<boolean>;
+  updateUser: (updates: Partial<TUser>) => void;
   clearMessages: () => void;
 }