接口跑通，基础功能全部实现

init-db-sqlite.sql

@@ -5,8 +5,11 @@
 CREATE TABLE IF NOT EXISTS users (
     id TEXT PRIMARY KEY,
     username TEXT UNIQUE NOT NULL,
-    email TEXT UNIQUE NOT NULL,
-    hashed_password TEXT NOT NULL,
+    email TEXT UNIQUE,
+    hashed_password TEXT,
+    wx_openid TEXT UNIQUE,
+    wx_nickname TEXT,
+    wx_avatar TEXT,
     created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
     is_active INTEGER DEFAULT 1
 );
@@ -50,6 +53,7 @@ CREATE TABLE IF NOT EXISTS signin_logs (
 -- Create indexes for better performance
 CREATE INDEX IF NOT EXISTS idx_users_email ON users(email);
 CREATE INDEX IF NOT EXISTS idx_users_username ON users(username);
+CREATE INDEX IF NOT EXISTS idx_users_wx_openid ON users(wx_openid);
 CREATE INDEX IF NOT EXISTS idx_accounts_user_id ON accounts(user_id);
 CREATE INDEX IF NOT EXISTS idx_accounts_status ON accounts(status);
 CREATE INDEX IF NOT EXISTS idx_tasks_account_id ON tasks(account_id);