fix(grok): 修正授权与模型映射边界

frontend/src/components/account/CreateAccountModal.vue

@@ -5488,8 +5488,9 @@ const handleGrokAuthorizePassword = async (emailPasswordInput: string) => {
 
   const lines = emailPasswordInput
     .split('\n')
-    .map((line) => line.trim())
-    .filter((line) => line && line.includes('----'))
+    // Keep the password portion byte-for-byte; trim is only for determining
+    // whether this textarea line is blank.
+    .filter((line) => line.trim() && line.includes('----'))
 
   if (lines.length === 0) {
     grokOAuth.error.value = t(

frontend/src/components/admin/account/ReAuthAccountModal.vue

@@ -678,8 +678,8 @@ const handleGrokAuthorizePassword = async (emailPasswordInput: string) => {
   if (!props.account || !isGrok.value) return
   const line = emailPasswordInput
     .split('\n')
-    .map((item) => item.trim())
-    .find((item) => item.includes('----'))
+    // Email is normalized in the API helper, but password whitespace is valid.
+    .find((item) => item.trim() && item.includes('----'))
   if (!line) {
     grokOAuth.error.value = t(
       'admin.accounts.oauth.grok.pleaseEnterPassword',