feat: 初始化公网编辑器后端项目

- 配置 Next.js 14 + TypeScript + TailwindCSS
- 集成 Supabase (Auth + Storage + Database)
- 实现认证 API (login/logout/me)
- 实现文件存储 API (upload/list/get/delete)
- 实现数据库操作 API (tables/query)
- 添加 Supabase 初始化 SQL 脚本
- 添加环境变量配置示例
- 添加项目文档

supabase/init.sql

@@ -0,0 +1,94 @@
+-- Enable UUID extension
+CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
+
+-- Create files table
+CREATE TABLE IF NOT EXISTS files (
+  id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+  name TEXT NOT NULL,
+  path TEXT NOT NULL,
+  size BIGINT NOT NULL,
+  mime_type TEXT NOT NULL,
+  user_id UUID NOT NULL REFERENCES auth.users(id) ON DELETE CASCADE,
+  created_at TIMESTAMPTZ DEFAULT NOW(),
+  updated_at TIMESTAMPTZ DEFAULT NOW()
+);
+
+-- Create index on user_id for faster queries
+CREATE INDEX IF NOT EXISTS idx_files_user_id ON files(user_id);
+
+-- Create index on created_at for sorting
+CREATE INDEX IF NOT EXISTS idx_files_created_at ON files(created_at DESC);
+
+-- Enable Row Level Security
+ALTER TABLE files ENABLE ROW LEVEL SECURITY;
+
+-- Create policy to allow users to see only their own files
+CREATE POLICY "Users can view their own files"
+  ON files
+  FOR SELECT
+  USING (auth.uid() = user_id);
+
+-- Create policy to allow users to insert their own files
+CREATE POLICY "Users can insert their own files"
+  ON files
+  FOR INSERT
+  WITH CHECK (auth.uid() = user_id);
+
+-- Create policy to allow users to update their own files
+CREATE POLICY "Users can update their own files"
+  ON files
+  FOR UPDATE
+  USING (auth.uid() = user_id);
+
+-- Create policy to allow users to delete their own files
+CREATE POLICY "Users can delete their own files"
+  ON files
+  FOR DELETE
+  USING (auth.uid() = user_id);
+
+-- Create storage bucket for files
+INSERT INTO storage.buckets (id, name, public)
+VALUES ('files', 'files', true)
+ON CONFLICT (id) DO NOTHING;
+
+-- Create policy to allow authenticated users to upload files
+CREATE POLICY "Users can upload files"
+  ON storage.objects
+  FOR INSERT
+  WITH CHECK (
+    bucket_id = 'files' AND
+    auth.uid()::text = (storage.foldername(name))[1]
+  );
+
+-- Create policy to allow users to view their own files
+CREATE POLICY "Users can view their own files"
+  ON storage.objects
+  FOR SELECT
+  USING (
+    bucket_id = 'files' AND
+    auth.uid()::text = (storage.foldername(name))[1]
+  );
+
+-- Create policy to allow users to delete their own files
+CREATE POLICY "Users can delete their own files"
+  ON storage.objects
+  FOR DELETE
+  USING (
+    bucket_id = 'files' AND
+    auth.uid()::text = (storage.foldername(name))[1]
+  );
+
+-- Create updated_at trigger function
+CREATE OR REPLACE FUNCTION update_updated_at_column()
+RETURNS TRIGGER AS $$
+BEGIN
+  NEW.updated_at = NOW();
+  RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+-- Create trigger to auto-update updated_at
+CREATE TRIGGER update_files_updated_at
+  BEFORE UPDATE ON files
+  FOR EACH ROW
+  EXECUTE FUNCTION update_updated_at_column();