管理后台初始化，登录，团队管理，报价单管理 完成

src/contexts/AuthContext.jsx

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+import React, { createContext, useContext, useState, useEffect } from 'react';
+import { supabase } from '@/config/supabase';
+import { message } from 'antd';
+import { useNavigate } from 'react-router-dom';
+
+const AuthContext = createContext();
+
+export const AuthProvider = ({ children }) => {
+  const navigate = useNavigate();
+  const [user, setUser] = useState(null);
+  const [loading, setLoading] = useState(true);
+
+  // 监听认证状态变化
+  useEffect(() => {
+    // 获取初始会话状态
+    const initSession = async () => {
+      try {
+        const { data: { session } } = await supabase.auth.getSession();
+        setUser(session?.user ?? null);
+      } catch (error) {
+        console.error('Error getting session:', error);
+      } finally {
+        setLoading(false);
+      }
+    };
+
+    initSession();
+
+    // 订阅认证状态变化
+    const { data: { subscription } } = supabase.auth.onAuthStateChange((_event, session) => {
+      setUser(session?.user ?? null);
+    });
+
+    return () => {
+      subscription?.unsubscribe();
+    };
+  }, []);
+
+  // 邮箱密码登录
+  const login = async (email, password) => {
+    try {
+      setLoading(true);
+      const { data, error } = await supabase.auth.signInWithPassword({
+        email,
+        password,
+      });
+
+      if (error) {
+        throw error;
+      }
+
+      setUser(data.user);
+      return data;
+    } catch (error) {
+      message.error(error.message || '登录失败');
+      throw error;
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  // Google 登录
+  const signInWithGoogle = async () => {
+    try {
+      setLoading(true);
+      const { data, error } = await supabase.auth.signInWithOAuth({
+        provider: 'google',
+        options: {
+          redirectTo: `${window.location.origin}/auth/callback`,
+        },
+      });
+
+      if (error) {
+        throw error;
+      }
+
+      return data;
+    } catch (error) {
+      message.error(error.message || 'Google 登录失败');
+      throw error;
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  // 注册
+  const register = async (email, password) => {
+    try {
+      setLoading(true);
+      const { data, error } = await supabase.auth.signUp({
+        email,
+        password,
+        options: {
+          emailRedirectTo: `${window.location.origin}/auth/callback`,
+        },
+      });
+
+      if (error) {
+        throw error;
+      }
+      message.success('注册成功！请查收验证邮件。');
+      return data;
+    } catch (error) {
+      message.error(error.message || '注册失败');
+      throw error;
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  // 登出
+  const logout = async () => {
+    try {
+      setLoading(true);
+      const { error } = await supabase.auth.signOut({
+        scope: 'local'
+      });
+      
+      if (error) {
+        throw error;
+      }
+      
+      setUser(null);
+      message.success('已成功登出');
+      navigate('/login', { replace: true });
+      
+    } catch (error) {
+      message.error(error.message || '登出失败');
+      throw error;
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const value = {
+    user,
+    loading,
+    login,
+    logout,
+    register,
+    signInWithGoogle,
+  };
+
+  return <AuthContext.Provider value={value}>{children}</AuthContext.Provider>;
+};
+
+export const useAuth = () => {
+  const context = useContext(AuthContext);
+  if (!context) {
+    throw new Error('useAuth must be used within an AuthProvider');
+  }
+  return context;
+};