feat: per-admin localStorage namespacing with migration

Made-with: Cursor

frontend/src/context/AuthContext.jsx

@@ -1,5 +1,6 @@
 import React, { createContext, useState, useContext, useEffect } from 'react';
 import axios from 'axios';
+import { migratePreferences } from '../utils/adminPrefs';
 
 const AuthContext = createContext();
 
@@ -13,6 +14,7 @@ export const useAuth = () => {
 
 export const AuthProvider = ({ children }) => {
   const [token, setToken] = useState(localStorage.getItem('adminToken'));
+  const [adminName, setAdminName] = useState(localStorage.getItem('adminName'));
   const [isAuthenticated, setIsAuthenticated] = useState(false);
   const [loading, setLoading] = useState(true);
 
@@ -20,10 +22,17 @@ export const AuthProvider = ({ children }) => {
     const verifyToken = async () => {
       if (token) {
         try {
-          await axios.post('/api/auth/verify', {}, {
+          const response = await axios.post('/api/auth/verify', {}, {
             headers: { Authorization: `Bearer ${token}` }
           });
           setIsAuthenticated(true);
+          const name = response.data.user?.name;
+          if (name) {
+            setAdminName(name);
+            localStorage.setItem('adminName', name);
+          } else {
+            logout();
+          }
         } catch (error) {
           console.error('Token verification failed:', error);
           logout();
@@ -38,27 +47,33 @@ export const AuthProvider = ({ children }) => {
   const login = async (key) => {
     try {
       const response = await axios.post('/api/auth/login', { key });
-      const newToken = response.data.token;
+      const { token: newToken, name } = response.data;
       localStorage.setItem('adminToken', newToken);
+      localStorage.setItem('adminName', name);
       setToken(newToken);
+      setAdminName(name);
       setIsAuthenticated(true);
+      migratePreferences(name);
       return { success: true };
     } catch (error) {
-      return { 
-        success: false, 
-        error: error.response?.data?.error || 'Login failed' 
+      return {
+        success: false,
+        error: error.response?.data?.error || 'Login failed'
       };
     }
   };
 
   const logout = () => {
     localStorage.removeItem('adminToken');
+    localStorage.removeItem('adminName');
     setToken(null);
+    setAdminName(null);
     setIsAuthenticated(false);
   };
 
   const value = {
     token,
+    adminName,
     isAuthenticated,
     loading,
     login,
@@ -67,4 +82,3 @@ export const AuthProvider = ({ children }) => {
 
   return <AuthContext.Provider value={value}>{children}</AuthContext.Provider>;
 };
-