W27: VFS link submenu in Panel menu (FTP/Shell/SFTP)

The F9 audit found that the Panel menu (Left/Right) was missing
the MC-style VFS link entries (FTP link..., Shell link...,
SFTP link...). The ConnectionDialog already supported all three
kinds but the user could only reach them via the catch-all
Cmd::Connection which defaulted to FTP.

Add three new Cmd variants (ConnectFtp, ConnectShell, ConnectSftp)
that each open the ConnectionDialog pre-set to the matching
ConnectionKind. Wire them into the Panel menu (Left/Right)
between 'External panelize' and 'Reload', separated by a
separator so the group reads as a VFS submenu.

Tests: 1393 pass, zero warnings.

local/recipes/tui/tlc/source/src/filemanager/dispatch.rs

@@ -593,6 +593,30 @@ impl FileManager {
                 )));
                 Ok(true)
             }
+            Cmd::ConnectFtp => {
+                self.dialog = Some(DialogState::Connection(Box::new(
+                    connection_dialog::ConnectionDialog::new(
+                        connection_dialog::ConnectionKind::Ftp,
+                    ),
+                )));
+                Ok(true)
+            }
+            Cmd::ConnectShell => {
+                self.dialog = Some(DialogState::Connection(Box::new(
+                    connection_dialog::ConnectionDialog::new(
+                        connection_dialog::ConnectionKind::Shell,
+                    ),
+                )));
+                Ok(true)
+            }
+            Cmd::ConnectSftp => {
+                self.dialog = Some(DialogState::Connection(Box::new(
+                    connection_dialog::ConnectionDialog::new(
+                        connection_dialog::ConnectionKind::Sftp,
+                    ),
+                )));
+                Ok(true)
+            }
             Cmd::EditExtensionFile => {
                 self.open_config_file("extensions");
                 Ok(true)

local/recipes/tui/tlc/source/src/filemanager/menubar.rs

@@ -78,6 +78,11 @@ fn panel_menu() -> Vec<MenuItem> {
         MenuItem::item("Quick cd", Cmd::QuickCd),
         MenuItem::separator(),
         MenuItem::item("External panelize", Cmd::Panelize),
+        MenuItem::separator(),
+        MenuItem::item("FTP link...", Cmd::ConnectFtp),
+        MenuItem::item("Shell link...", Cmd::ConnectShell),
+        MenuItem::item("SFTP link...", Cmd::ConnectSftp),
+        MenuItem::separator(),
         MenuItem::item("Reload", Cmd::Reload),
     ]
 }

local/recipes/tui/tlc/source/src/keymap/mod.rs

@@ -195,6 +195,12 @@ pub enum Cmd {
     Encoding,
     /// Alt-n — open a network connection (FTP/SFTP/Shell).
     Connection,
+    /// Left/Right panel menu — open an FTP link.
+    ConnectFtp,
+    /// Left/Right panel menu — open a shell link.
+    ConnectShell,
+    /// Left/Right panel menu — open an SFTP link.
+    ConnectSftp,
     /// Command menu — edit the extension mapping file.
     EditExtensionFile,
     /// Command menu — edit the user menu file.
@@ -300,6 +306,9 @@ impl Cmd {
             Cmd::PanelFilter => "Panel filter",
             Cmd::Encoding => "Display encoding",
             Cmd::Connection => "Network connection",
+            Cmd::ConnectFtp => "FTP link",
+            Cmd::ConnectShell => "Shell link",
+            Cmd::ConnectSftp => "SFTP link",
             Cmd::EditExtensionFile => "Edit extension file",
             Cmd::EditMenuFile => "Edit menu file",
             Cmd::EditHighlightFile => "Edit highlighting file",