fix: surface remote sync reauthentication failures (#1351)

src/ui/locales/en.json

@@ -500,6 +500,8 @@
     "disconnectButton": "Disconnect",
     "syncNowButton": "Sync Now",
     "syncing": "Syncing...",
+    "syncSuccess": "Remote sync completed",
+    "syncUnavailable": "Remote sync could not be started",
     "serverUrl": "Server URL",
     "enterServerUrl": "Please enter a server URL",
     "mustIncludeProtocol": "Server URL must start with http:// or https://",
@@ -2966,6 +2968,8 @@
     "resetCodeRateLimited": "Rate limited: Too many verification attempts. Please try again later.",
     "resetCodeRateLimitedWithTime": "Rate limited: Too many verification attempts. Please wait {{time}} seconds before trying again.",
     "authTokenSaveFailed": "Failed to save authentication token",
+    "authTokenMissing": "The server did not return a new authentication token. Please sign in again.",
+    "authTokenRejected": "The remote server rejected the new authentication token",
     "keyringUnavailable": "Signed in, but the session could not be stored: this system has no keyring available to encrypt it with. Start a Secret Service (such as gnome-keyring or KWallet) and sign in again.",
     "failedToLoadServer": "Failed to load server",
     "remoteServerRequired": "Remote server required. Connect a remote server in Settings to use this connection type."

src/ui/locales/translated/zh_CN.json

@@ -474,6 +474,8 @@
     "disconnectButton": "断开",
     "syncNowButton": "立即同步",
     "syncing": "正在同步...",
+    "syncSuccess": "远程同步已完成",
+    "syncUnavailable": "无法启动远程同步",
     "serverUrl": "服务器 URL",
     "enterServerUrl": "请输入服务器网址",
     "mustIncludeProtocol": "服务器 URL 必须以 http:// 或 https:// 开头。",
@@ -2820,6 +2822,8 @@
     "resetCodeRateLimited": "频率受限：验证尝试次数过多，请稍后再试。",
     "resetCodeRateLimitedWithTime": "频率受限：验证尝试次数过多，请等待 {{time}} 秒后再试。",
     "authTokenSaveFailed": "保存认证令牌失败",
+    "authTokenMissing": "服务器没有返回新的认证令牌，请重新登录。",
+    "authTokenRejected": "远程服务器拒绝了新的认证令牌",
     "keyringUnavailable": "已登录，但会话无法保存：此系统没有可用于加密的密钥环。请启动密钥服务（例如 gnome-keyring 或 KWallet）并重新登录。",
     "failedToLoadServer": "加载服务器失败",
     "remoteServerRequired": "需要远程服务器。请在“设置”中连接远程服务器以使用此连接类型。"