feat: manual refresh for title

app/components/chat.tsx

@@ -43,6 +43,7 @@ import QualityIcon from "../icons/hd.svg";
 import StyleIcon from "../icons/palette.svg";
 import PluginIcon from "../icons/plugin.svg";
 import ShortcutkeyIcon from "../icons/shortcutkey.svg";
+import ReloadIcon from "../icons/reload.svg";
 
 import {
   ChatMessage,
@@ -1541,6 +1542,17 @@ function _Chat() {
           </div>
         </div>
         <div className="window-actions">
+          <div className="window-action-button">
+            <IconButton
+              icon={<ReloadIcon />}
+              bordered
+              title={Locale.Chat.Actions.RefreshTitle}
+              onClick={() => {
+                showToast(Locale.Chat.Actions.RefreshToast);
+                chatStore.summarizeSession(true);
+              }}
+            />
+          </div>
           {!isMobileScreen && (
             <div className="window-action-button">
               <IconButton

app/store/chat.ts

@@ -572,7 +572,7 @@ export const useChatStore = createPersistStore(
         });
       },
 
-      summarizeSession() {
+      summarizeSession(refreshTitle: boolean = false) {
         const config = useAppConfig.getState();
         const session = get().currentSession();
         const modelConfig = session.mask.modelConfig;
@@ -590,16 +590,22 @@ export const useChatStore = createPersistStore(
         // should summarize topic after chating more than 50 words
         const SUMMARIZE_MIN_LEN = 50;
         if (
-          config.enableAutoGenerateTitle &&
-          session.topic === DEFAULT_TOPIC &&
-          countMessages(messages) >= SUMMARIZE_MIN_LEN
+          (config.enableAutoGenerateTitle &&
+            session.topic === DEFAULT_TOPIC &&
+            countMessages(messages) >= SUMMARIZE_MIN_LEN) ||
+          refreshTitle
         ) {
-          const topicMessages = messages.concat(
-            createMessage({
-              role: "user",
-              content: Locale.Store.Prompt.Topic,
-            }),
-          );
+          const topicMessages = messages
+            .slice(
+              messages.length - modelConfig.historyMessageCount,
+              messages.length,
+            )
+            .concat(
+              createMessage({
+                role: "user",
+                content: Locale.Store.Prompt.Topic,
+              }),
+            );
           api.llm.chat({
             messages: topicMessages,
             config: {