feat: 初始化 React + Vite + Supabase 用户管理应用

- 使用 Vite 创建 React 应用基础结构，包含主应用布局和路由
- 集成 Supabase 客户端，实现用户表的 CRUD 操作
- 添加 Ant Design UI 组件库，构建用户管理界面
- 配置数据库迁移脚本，初始化 users 表及示例数据
- 设置开发环境配置，包括 ESLint、Git 忽略文件和项目依赖

supabase/db_schema.sql

@@ -0,0 +1,26 @@
+-- 1. 创建 users 表
+CREATE TABLE IF NOT EXISTS public.users (
+    id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+    name TEXT NOT NULL,
+    email TEXT,
+    role TEXT,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT timezone('utc'::text, now()) NOT NULL
+);
+
+-- 2. 开启行级安全 (RLS)
+ALTER TABLE public.users ENABLE ROW LEVEL SECURITY;
+
+-- 3. 创建允许所有操作的策略 (注意：仅供开发测试使用)
+-- 允许匿名用户(anon)进行 SELECT, INSERT, UPDATE, DELETE
+CREATE POLICY "Enable all operations for anon users" ON public.users
+    FOR ALL 
+    TO anon
+    USING (true) 
+    WITH CHECK (true);
+
+-- 4. 插入一些测试数据
+INSERT INTO public.users (name, email, role)
+VALUES 
+    ('Alice', 'alice@example.com', 'Admin'),
+    ('Bob', 'bob@example.com', 'User'),
+    ('Charlie', 'charlie@example.com', 'Editor');

supabase/migrations/20260127000000_init_users.sql

@@ -0,0 +1,45 @@
+-- Migration: Create users table
+-- Created at: 2026-01-27
+
+-- 1. Create the table
+CREATE TABLE IF NOT EXISTS public.users (
+    id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+    name TEXT NOT NULL,
+    email TEXT,
+    role TEXT,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT timezone('utc'::text, now()) NOT NULL
+);
+
+-- 2. Enable RLS
+ALTER TABLE public.users ENABLE ROW LEVEL SECURITY;
+
+-- 3. Create Policy (Dev Mode: Allow All)
+-- WARN: In production, you should restrict this!
+DO $$ 
+BEGIN
+    IF NOT EXISTS (
+        SELECT 1 FROM pg_policies 
+        WHERE schemaname = 'public' 
+        AND tablename = 'users' 
+        AND policyname = 'Enable all operations for anon users'
+    ) THEN
+        CREATE POLICY "Enable all operations for anon users" ON public.users
+            FOR ALL 
+            TO anon
+            USING (true) 
+            WITH CHECK (true);
+    END IF;
+END $$;
+
+-- 4. Seed Data (Optional)
+INSERT INTO public.users (name, email, role)
+SELECT 'Alice', 'alice@example.com', 'Admin'
+WHERE NOT EXISTS (
+    SELECT 1 FROM public.users WHERE email = 'alice@example.com'
+);
+
+INSERT INTO public.users (name, email, role)
+SELECT 'Bob', 'bob@example.com', 'User'
+WHERE NOT EXISTS (
+    SELECT 1 FROM public.users WHERE email = 'bob@example.com'
+);