Initial commit: One Pipe System

完整的管理系统，包含账户管理、卡片管理、套餐管理、财务管理等功能模块。

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/utils/auth/rememberPassword.ts

@@ -0,0 +1,80 @@
+/**
+ * 记住密码功能
+ * 使用 localStorage 存储加密后的用户名和密码
+ */
+
+// 存储key
+const REMEMBER_KEY = 'remembered_credentials'
+
+// 简单加密（实际项目中应使用更安全的加密方式）
+const encode = (str: string): string => {
+  return btoa(encodeURIComponent(str))
+}
+
+// 简单解密
+const decode = (str: string): string => {
+  try {
+    return decodeURIComponent(atob(str))
+  } catch {
+    return ''
+  }
+}
+
+/**
+ * 保存的凭证接口
+ */
+export interface RememberedCredentials {
+  username: string
+  password: string
+  rememberPassword: boolean
+}
+
+/**
+ * 保存登录凭证
+ */
+export const saveCredentials = (username: string, password: string, remember: boolean) => {
+  if (remember) {
+    const credentials = {
+      u: encode(username),
+      p: encode(password),
+      r: true
+    }
+    localStorage.setItem(REMEMBER_KEY, JSON.stringify(credentials))
+  } else {
+    // 如果不记住密码，清除已保存的凭证
+    localStorage.removeItem(REMEMBER_KEY)
+  }
+}
+
+/**
+ * 获取保存的登录凭证
+ */
+export const getRememberedCredentials = (): RememberedCredentials | null => {
+  try {
+    const saved = localStorage.getItem(REMEMBER_KEY)
+    if (!saved) return null
+
+    const credentials = JSON.parse(saved)
+    return {
+      username: decode(credentials.u),
+      password: decode(credentials.p),
+      rememberPassword: credentials.r
+    }
+  } catch {
+    return null
+  }
+}
+
+/**
+ * 清除保存的登录凭证
+ */
+export const clearRememberedCredentials = () => {
+  localStorage.removeItem(REMEMBER_KEY)
+}
+
+/**
+ * 检查是否有保存的凭证
+ */
+export const hasRememberedCredentials = (): boolean => {
+  return localStorage.getItem(REMEMBER_KEY) !== null
+}