修改架构，移动端优先。

save

src/api/client.js

@@ -0,0 +1,43 @@
+// API 调用封装: 自动带 JWT、401 自动清 token、抛统一错误
+const TOKEN_KEY = 'iboard_token'
+const REMEMBER_KEY = 'iboard_remember'
+
+export function getToken() {
+  return localStorage.getItem(TOKEN_KEY) || ''
+}
+
+export function setToken(token) {
+  if (token) localStorage.setItem(TOKEN_KEY, token)
+  else localStorage.removeItem(TOKEN_KEY)
+}
+
+export function getRememberFlag() {
+  return localStorage.getItem(REMEMBER_KEY) === '1'
+}
+
+export function setRememberFlag(v) {
+  if (v) localStorage.setItem(REMEMBER_KEY, '1')
+  else localStorage.removeItem(REMEMBER_KEY)
+}
+
+export async function api(path, { method = 'GET', body, headers = {} } = {}) {
+  const token = getToken()
+  const res = await fetch('/api' + path, {
+    method,
+    headers: {
+      'Content-Type': 'application/json',
+      ...(token ? { Authorization: 'Bearer ' + token } : {}),
+      ...headers,
+    },
+    body: body ? JSON.stringify(body) : undefined,
+  })
+  if (res.status === 401) {
+    setToken('')
+    const data = await res.json().catch(() => ({}))
+    if (!path.startsWith('/auth/')) window.location.assign('/login')
+    throw new Error(data.error || '未登录')
+  }
+  const data = await res.json().catch(() => ({}))
+  if (!res.ok) throw new Error(data.error || '请求失败 (' + res.status + ')')
+  return data
+}