feat: emit send message event in Inputbar and clean up messages slice

- Added event emission for sending messages in the Inputbar component to enhance message handling.
- Removed redundant event emission from the messages slice to streamline the sendMessage function.

src/renderer/src/pages/home/Inputbar/Inputbar.tsx

@@ -146,6 +146,8 @@ const Inputbar: FC<Props> = ({ assistant: _assistant, setActiveTopic, topic }) =
       return
     }
 
+    EventEmitter.emit(EVENT_NAMES.SEND_MESSAGE)
+
     try {
       // Dispatch the sendMessage action with all options
       const uploadedFiles = await FileManager.uploadFiles(files)

src/renderer/src/store/messages.ts

@@ -3,7 +3,6 @@ import db from '@renderer/databases'
 import { autoRenameTopic, TopicManager } from '@renderer/hooks/useTopic'
 import i18n from '@renderer/i18n'
 import { fetchChatCompletion } from '@renderer/services/ApiService'
-import { EVENT_NAMES, EventEmitter } from '@renderer/services/EventService'
 import { getAssistantMessage, resetAssistantMessage } from '@renderer/services/MessagesService'
 import type { AppDispatch, RootState } from '@renderer/store'
 import type { Assistant, Message, Topic } from '@renderer/types'
@@ -284,8 +283,6 @@ export const sendMessage =
         dispatch(clearTopicMessages(topic.id))
       }
 
-      EventEmitter.emit(EVENT_NAMES.SEND_MESSAGE)
-
       // 处理助手消息
       let assistantMessages: Message[] = []
       if (!isEmpty(options?.resendAssistantMessage)) {