feat(MessagesService): two or more adjacent messages have the same role as user, then only the last one should be kept

src/renderer/src/services/MessagesService.ts

@@ -54,7 +54,7 @@ export function filterEmptyMessages(messages: Message[]): Message[] {
 }
 
 export function filterUsefulMessages(messages: Message[]): Message[] {
-  const _messages = [...messages]
+  let _messages = [...messages]
   const groupedMessages = getGroupedMessages(messages)
 
   Object.entries(groupedMessages).forEach(([key, messages]) => {
@@ -78,6 +78,18 @@ export function filterUsefulMessages(messages: Message[]): Message[] {
     _messages.pop()
   }
 
+  // 过滤两条及以上 user 类型消息相邻的情况，只保留最新一条 user 消息
+  _messages = _messages.filter((message, index, origin) => {
+    if (
+      message.role === 'user'
+      && index + 1 < origin.length
+      && origin[index + 1].role === 'user'
+    ) {
+      return false
+    }
+    return true
+  })
+
   return _messages
 }