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

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

gui/tabs/files_tab.py

@@ -318,6 +318,10 @@ class FilesTab(ctk.CTkFrame):
         if self._current_alias and not self._sftp:
             self._connect_sftp()
 
+    def disconnect(self):
+        """Disconnect SFTP and update UI (called by app)."""
+        self._disconnect_sftp()
+
     # ── SFTP connection ──
 
     def _connect_sftp(self):

gui/tabs/powershell_tab.py

@@ -104,6 +104,12 @@ class PowershellTab(ctk.CTkFrame):
         if self._current_alias and not self._client:
             self._connect(self._current_alias)
 
+    def disconnect(self):
+        """Disconnect WinRM and update UI (called by app)."""
+        self._disconnect()
+        if self._current_alias:
+            self._set_status(t("term_click_to_connect").format(alias=self._current_alias), "#f59e0b")
+
     # ── Connection ───────────────────────────────────────────────────
 
     def _connect(self, alias: str):

gui/tabs/terminal_tab.py

@@ -29,6 +29,17 @@ class TerminalTab(ctk.CTkFrame):
         # Import here to avoid circular issues
         from gui.widgets.terminal_widget import TerminalWidget
 
+        self._toolbar = ctk.CTkFrame(self, fg_color="transparent", height=32)
+        self._toolbar.pack(fill="x", padx=5, pady=(5, 0))
+        self._toolbar.pack_propagate(False)
+        self._disconnect_btn = ctk.CTkButton(
+            self._toolbar, text=t("ctx_disconnect"), width=110, height=28,
+            fg_color="#dc2626", hover_color="#b91c1c",
+            font=ctk.CTkFont(size=12), state="disabled",
+            command=self._on_disconnect_click,
+        )
+        self._disconnect_btn.pack(side="right", padx=2)
+
         self._terminal = TerminalWidget(
             self,
             send_callback=self._send_to_shell,
@@ -45,6 +56,7 @@ class TerminalTab(ctk.CTkFrame):
         # Sudo auto-password detection
         self._sudo_buffer = b""   # Buffer for detecting sudo prompts
         self._sudo_sent = False   # Prevent sending password twice for same prompt
+        self._on_disconnect_callback = None
 
     def set_server(self, alias: str | None):
         if alias == self._current_alias:
@@ -61,6 +73,7 @@ class TerminalTab(ctk.CTkFrame):
 
         self._current_alias = alias
         if alias:
+            self._disconnect_btn.configure(state="disabled")
             self._terminal.set_status(t("term_click_to_connect").format(alias=alias), "#f59e0b")
         else:
             self._terminal.reset()
@@ -71,6 +84,17 @@ class TerminalTab(ctk.CTkFrame):
         if self._current_alias and not self._session:
             self._connect()
 
+    def _on_disconnect_click(self):
+        if self._on_disconnect_callback and self._current_alias:
+            self._on_disconnect_callback(self._current_alias)
+
+    def disconnect(self):
+        """Disconnect and update UI (called by app)."""
+        self._disconnect()
+        self._disconnect_btn.configure(state="disabled")
+        if self._current_alias:
+            self._terminal.set_status(t("term_click_to_connect").format(alias=self._current_alias), "#f59e0b")
+
     def _connect(self):
         if not self._current_alias:
             return
@@ -140,6 +164,7 @@ class TerminalTab(ctk.CTkFrame):
                     # Only grab focus if terminal tab is currently visible
                     if self._terminal.winfo_ismapped():
                         self._terminal.focus_terminal()
+                    self._disconnect_btn.configure(state="normal")
                 self.after(0, _set_session)
             except Exception as e:
                 self.after(0, lambda: self._terminal.set_status(