feat: export conversations (#228)

src/_locales/en/main.json

@@ -102,5 +102,6 @@
   "Keep Conversation Window in Background": "Keep conversation window in background, so that you can use shortcut keys to call it up in any program",
   "Max Response Token Length": "Max Response Token Length",
   "Max Conversation Length": "Max Conversation Length",
-  "Always pin the floating window": "Always pin the floating window"
+  "Always pin the floating window": "Always pin the floating window",
+  "Export": "Export"
 }

src/_locales/zh-hans/main.json

@@ -102,5 +102,6 @@
   "Keep Conversation Window in Background": "保持对话窗口在后台, 以便在任何程序中使用快捷键呼出",
   "Max Response Token Length": "响应的最大token长度",
   "Max Conversation Length": "对话处理的最大长度",
-  "Always pin the floating window": "总是固定浮动窗口"
+  "Always pin the floating window": "总是固定浮动窗口",
+  "Export": "导出"
 }

src/_locales/zh-hant/main.json

@@ -102,5 +102,6 @@
   "Keep Conversation Window in Background": "保持對話窗口在後臺, 以便在任何程序中使用快捷鍵呼出",
   "Max Response Token Length": "響應的最大token長度",
   "Max Conversation Length": "對話處理的最大長度",
-  "Always pin the floating window": "總是固定浮動視窗"
+  "Always pin the floating window": "總是固定浮動視窗",
+  "Export": "導出"
 }

src/pages/IndependentPanel/App.jsx

@@ -15,6 +15,7 @@ import ConversationCard from '../../components/ConversationCard'
 import DeleteButton from '../../components/DeleteButton'
 import { openUrl } from '../../utils/index.mjs'
 import Browser from 'webextension-polyfill'
+import FileSaver from 'file-saver'
 
 function App() {
   const { t } = useTranslation()
@@ -81,6 +82,12 @@ function App() {
     await setSessionIdSafe(session.sessionId)
   }
 
+  const exportConversations = async () => {
+    const sessions = await getSessions()
+    const blob = new Blob([JSON.stringify(sessions, null, 2)], { type: 'text/json;charset=utf-8' })
+    FileSaver.saveAs(blob, 'conversations.json')
+  }
+
   const clearConversations = async () => {
     const sessions = await resetSessions()
     setSessions(sessions)
@@ -98,6 +105,9 @@ function App() {
             <button className="normal-button" onClick={createNewChat}>
               {t('New Chat')}
             </button>
+            <button className="normal-button" onClick={exportConversations}>
+              {t('Export')}
+            </button>
           </div>
           <hr />
           <div className="chat-list">