v1.9.27: add disconnect button in terminal + disconnect in context menu

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

core/i18n.py

@@ -111,6 +111,7 @@ _EN = {
     "term_connecting": "Connecting to {alias}...",
     "term_connected": "Connected to {alias}",
     "term_disconnected": "Disconnected",
+    "ctx_disconnect": "Disconnect",
     "term_click_to_connect": "Double-click to connect to {alias}",
     "sftp_click_to_connect": "Double-click server to browse files",
     "term_reconnecting": "Reconnecting ({n}/{max})...",
@@ -636,6 +637,7 @@ _RU = {
     "term_connecting": "Подключение к {alias}...",
     "term_connected": "Подключено к {alias}",
     "term_disconnected": "Отключено",
+    "ctx_disconnect": "Отключиться",
     "term_click_to_connect": "Двойной клик для подключения к {alias}",
     "sftp_click_to_connect": "Двойной клик для просмотра файлов",
     "term_reconnecting": "Переподключение ({n}/{max})...",
@@ -1161,6 +1163,7 @@ _ZH = {
     "term_connecting": "正在连接 {alias}...",
     "term_connected": "已连接到 {alias}",
     "term_disconnected": "已断开",
+    "ctx_disconnect": "断开连接",
     "term_click_to_connect": "双击连接 {alias}",
     "sftp_click_to_connect": "双击服务器浏览文件",
     "term_reconnecting": "重新连接中 ({n}/{max})...",

core/icons.py

@@ -210,6 +210,7 @@ CTX_ICONS = {
     "ctx_open_browser": "browser",
     "ctx_check_status": "status_check",
     "ctx_copy_alias": "copy",
+    "ctx_disconnect": "close",
     "edit": "edit",
     "delete": "delete",
 }

core/session_pool.py

@@ -255,4 +255,14 @@ class SessionPool:
                 )
                 if has_active:
                     active.append(alias)
-            return active
+            return active
+
+    def has_active_session(self, alias: str) -> bool:
+        with self._lock:
+            sd = self._sessions.get(alias)
+            if not sd:
+                return False
+            return bool(
+                (sd.shell_session and sd.shell_session.connected) or
+                (sd.sftp_session and sd.sftp_session.connected)
+            )