修复钉钉端内免登循环

app/dingtalk-entry/DingtalkEntryClient.tsx

@@ -1,7 +1,6 @@
 'use client'
 
 import { useEffect, useRef, useState } from 'react'
-import { signIn, useSession } from 'next-auth/react'
 
 declare global {
   interface Window {
@@ -99,19 +98,42 @@ function formatDingtalkError(error: unknown) {
   }
 }
 
+function submitDingtalkH5Login(authCode: string, redirectPath: string) {
+  const form = document.createElement('form')
+  form.method = 'POST'
+  form.action = `/api/dingtalk/h5-login?redirect=${encodeURIComponent(redirectPath)}`
+  form.style.display = 'none'
+
+  const codeInput = document.createElement('input')
+  codeInput.type = 'hidden'
+  codeInput.name = 'code'
+  codeInput.value = authCode
+  form.appendChild(codeInput)
+
+  document.body.appendChild(form)
+  form.submit()
+}
+
+async function hasActiveSession() {
+  try {
+    const response = await fetch('/api/auth/session', {
+      cache: 'no-store',
+      credentials: 'include',
+    })
+    if (!response.ok) return false
+    const data = await response.json().catch(() => null)
+    return Boolean(data?.user)
+  } catch {
+    return false
+  }
+}
+
 export default function DingtalkEntryClient({ corpId, redirectPath }: DingtalkEntryClientProps) {
-  const { status } = useSession()
   const startedRef = useRef(false)
   const [message, setMessage] = useState('正在通过钉钉确认身份...')
 
   useEffect(() => {
-    if (status === 'authenticated') {
-      window.location.replace(redirectPath)
-    }
-  }, [redirectPath, status])
-
-  useEffect(() => {
-    if (startedRef.current || status === 'loading' || status === 'authenticated') return
+    if (startedRef.current) return
     startedRef.current = true
 
     const run = async () => {
@@ -126,6 +148,12 @@ export default function DingtalkEntryClient({ corpId, redirectPath }: DingtalkEn
       }
 
       try {
+        setMessage('正在检查素材库登录状态...')
+        if (await hasActiveSession()) {
+          window.location.replace(redirectPath)
+          return
+        }
+
         setMessage('正在加载钉钉免登组件...')
         await loadDingtalkJsApi()
 
@@ -133,26 +161,14 @@ export default function DingtalkEntryClient({ corpId, redirectPath }: DingtalkEn
         const authCode = await requestDingtalkAuthCode(corpId)
 
         setMessage('正在写入素材库登录状态...')
-        const result = await signIn('credentials', {
-          loginType: 'dingtalk_inapp',
-          authCode,
-          redirect: false,
-        })
-
-        if (result?.error) {
-          setMessage(`钉钉免登失败：${result.error}`)
-          return
-        }
-
-        setMessage('登录成功，正在进入考核调研...')
-        window.location.replace(redirectPath)
+        submitDingtalkH5Login(authCode, redirectPath)
       } catch (error) {
         setMessage(`钉钉免登失败：${formatDingtalkError(error)}`)
       }
     }
 
     void run()
-  }, [corpId, redirectPath, status])
+  }, [corpId, redirectPath])
 
   return (
     <main className="flex min-h-screen items-center justify-center bg-slate-950 px-6 text-slate-50">