feat: Add button to remove messages and responses

app/components/home.module.scss

@@ -324,8 +324,21 @@
   }
 }
 
-.chat-message-user > .chat-message-container > .chat-message-item {
+.chat-message-user > .chat-message-container {
+  .chat-message-top-actions {
+    flex-direction: row;
+    right: unset;
+    left: 20px;
+  }
+  &:hover {
+    .chat-message-top-actions {
+      left: 10px;
+    }
+  }
+
+  & > .chat-message-item {
     background-color: var(--second);
+  }
 }
 
 .chat-message-actions {

app/components/home.tsx

@@ -274,6 +274,10 @@ export function Chat(props: {
     }
   };
 
+  const onMessageDelete = (messageIndex: number) => {
+    chatStore.removeMessage(sessionIndex, messageIndex);
+  };
+
   const onResend = (botIndex: number) => {
     // find last user input message and resend
     for (let i = botIndex; i >= 0; i -= 1) {
@@ -418,8 +422,8 @@ export function Chat(props: {
                   </div>
                 )}
                 <div className={styles["chat-message-item"]}>
-                  {!isUser &&
+                  {!isUser
-                    !(message.preview || message.content.length === 0) && (
+                    ? !(message.preview || message.content.length === 0) && (
                         <div className={styles["chat-message-top-actions"]}>
                           {message.streaming ? (
                             <div
@@ -444,6 +448,18 @@ export function Chat(props: {
                             {Locale.Chat.Actions.Copy}
                           </div>
                         </div>
+                      )
+                    : !(message.preview || message.content.length === 0) && (
+                        <div className={styles["chat-message-top-actions"]}>
+                          {!message.streaming && (
+                            <div
+                              className={styles["chat-message-top-action"]}
+                              onClick={(e) => onMessageDelete(i)}
+                            >
+                              {Locale.Chat.Actions.Delete}
+                            </div>
+                          )}
+                        </div>
                       )}
                   {(message.preview || message.content.length === 0) &&
                   !isUser ? (

app/locales/cn.ts

@@ -17,6 +17,7 @@ const cn = {
       Copy: "复制",
       Stop: "停止",
       Retry: "重试",
+      Delete: "删除",
     },
     Rename: "重命名对话",
     Typing: "正在输入…",

app/locales/en.ts

@@ -19,6 +19,7 @@ const en: LocaleType = {
       Copy: "Copy",
       Stop: "Stop",
       Retry: "Retry",
+      Delete: "Delete",
     },
     Rename: "Rename Chat",
     Typing: "Typing…",

app/locales/tw.ts

@@ -18,6 +18,7 @@ const tw: LocaleType = {
       Copy: "複製",
       Stop: "停止",
       Retry: "重試",
+      Delete: "刪除",
     },
     Rename: "重命名對話",
     Typing: "正在輸入…",

app/store/app.ts

@@ -194,6 +194,7 @@ interface ChatStore {
   summarizeSession: () => void;
   updateStat: (message: Message) => void;
   updateCurrentSession: (updater: (session: ChatSession) => void) => void;
+  removeMessage: (sessionIndex: number, messageIndex: number) => void;
   updateMessage: (
     sessionIndex: number,
     messageIndex: number,
@@ -384,6 +385,15 @@ export const useChatStore = create<ChatStore>()(
         return recentMessages;
       },
 
+      removeMessage(sessionIndex: number, messageIndex: number) {
+        const sessions = get().sessions;
+        const session = sessions.at(sessionIndex);
+        const messages = session?.messages;
+        // remove user's message and bot's response
+        messages?.splice(messageIndex, 2);
+        set(() => ({ sessions }));
+      },
+
       updateMessage(
         sessionIndex: number,
         messageIndex: number,