v1.8.26: right-click context menu on sidebar servers

Type-adaptive menu: SSH (terminal/files/keys), SQL (query editor),
Redis (console), Grafana/Prometheus (open browser), WinRM (PowerShell),
RDP/VNC (connect). Universal: check status, copy alias, edit, delete.

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

gui/sidebar.py

@@ -1,7 +1,8 @@
 """
-Sidebar — server list with search, add/edit/delete buttons.
+Sidebar — server list with search, add/edit/delete buttons, context menu.
 """
 
+import tkinter as tk
 import customtkinter as ctk
 from core.i18n import t
 from gui.widgets.status_badge import StatusBadge
@@ -35,6 +36,22 @@ TYPE_LABELS = {
 }
 
 
+# Context menu: type → list of (i18n_key, tab_key_or_None)
+_CONTEXT_ACTIONS = {
+    "ssh":        [("ctx_open_terminal", "terminal"), ("ctx_browse_files", "files"), ("ctx_install_key", "keys")],
+    "telnet":     [("ctx_open_terminal", "terminal")],
+    "winrm":      [("ctx_open_powershell", "powershell")],
+    "mariadb":    [("ctx_open_query", "query")],
+    "mssql":      [("ctx_open_query", "query")],
+    "postgresql":  [("ctx_open_query", "query")],
+    "redis":      [("ctx_open_console", "console")],
+    "grafana":    [("ctx_open_browser", None)],
+    "prometheus": [("ctx_open_browser", None)],
+    "rdp":        [("ctx_connect", "launch")],
+    "vnc":        [("ctx_connect", "launch")],
+}
+
+
 class Sidebar(ctk.CTkFrame):
     def __init__(self, master, store, on_select=None, session_pool=None):
         super().__init__(master, width=250, corner_radius=0)
@@ -79,10 +96,13 @@ class Sidebar(ctk.CTkFrame):
         self.del_btn = ctk.CTkButton(btn_frame, text=t("delete"), width=70, height=30, fg_color="#ef4444", hover_color="#dc2626", command=self._on_delete)
         self.del_btn.pack(side="right", padx=(3, 0))
 
-        # Callbacks for add/edit/delete — set by app.py
+        # Callbacks — set by app.py
         self.add_callback = None
         self.edit_callback = None
         self.delete_callback = None
+        self.open_tab_callback = None       # (alias, tab_key) → select server + switch tab
+        self.check_status_callback = None   # (alias) → check single server
+        self.open_browser_callback = None   # (alias) → open server URL in browser
 
         # Subscribe to store changes
         self.store.subscribe(self._refresh_list)
@@ -162,6 +182,7 @@ class Sidebar(ctk.CTkFrame):
             # Click handlers
             for widget in [frame, info, name_label, detail_label, badge, type_badge, session_ind]:
                 widget.bind("<Button-1>", lambda e, a=alias: self._select(a))
+                widget.bind("<Button-3>", lambda e, a=alias: self._show_context_menu(e, a))
 
             self._server_frames[alias] = frame
 
@@ -222,3 +243,72 @@ class Sidebar(ctk.CTkFrame):
     def _on_delete(self):
         if self.delete_callback and self._selected_alias:
             self.delete_callback(self._selected_alias)
+
+    def _show_context_menu(self, event, alias: str):
+        """Show right-click context menu for a server item."""
+        self._select(alias)
+
+        server = self.store.get_server(alias)
+        if not server:
+            return
+        stype = server.get("type", "ssh")
+
+        menu = tk.Menu(self, tearoff=0, bg="#2d2d44", fg="#d3d7cf",
+                       activebackground="#44447a", activeforeground="#ffffff",
+                       font=("Segoe UI", 10))
+
+        # Type-specific actions
+        actions = _CONTEXT_ACTIONS.get(stype, [])
+        for label_key, tab_key in actions:
+            if tab_key:
+                menu.add_command(
+                    label=t(label_key),
+                    command=lambda a=alias, tk=tab_key: (
+                        self.open_tab_callback(a, tk) if self.open_tab_callback else None
+                    ),
+                )
+            else:
+                menu.add_command(
+                    label=t(label_key),
+                    command=lambda a=alias: (
+                        self.open_browser_callback(a) if self.open_browser_callback else None
+                    ),
+                )
+
+        if actions:
+            menu.add_separator()
+
+        # Universal actions
+        menu.add_command(
+            label=t("ctx_check_status"),
+            command=lambda: (
+                self.check_status_callback(alias) if self.check_status_callback else None
+            ),
+        )
+        menu.add_command(
+            label=t("ctx_copy_alias"),
+            command=lambda: self._copy_alias(alias),
+        )
+
+        menu.add_separator()
+
+        # Management
+        menu.add_command(
+            label=t("edit"),
+            command=lambda: self.edit_callback(alias) if self.edit_callback else None,
+        )
+        menu.add_command(
+            label=t("delete"),
+            command=lambda: self.delete_callback(alias) if self.delete_callback else None,
+            foreground="#ef4444",
+        )
+
+        try:
+            menu.tk_popup(event.x_root, event.y_root)
+        finally:
+            menu.grab_release()
+
+    def _copy_alias(self, alias: str):
+        """Copy server alias to clipboard."""
+        self.clipboard_clear()
+        self.clipboard_append(alias)