W78: Keymap tests for Ctrl-X chords + VFS connect Cmds

Add 2 keymap test blocks:
- all_ctrl_x_chord_cmds_have_names: verifies all 21 Ctrl-X chord
  Cmd variants have nonempty description strings
- connect_cmds_have_names: verifies ConnectFtp/Shell/Sftp

Tests: 1434 pass (was 1432), zero warnings.

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

@@ -680,4 +680,26 @@ mod tests {
     fn appearance_has_nonempty_name() {
         assert!(!Cmd::Appearance.name().is_empty());
     }
+
+    #[test]
+    fn all_ctrl_x_chord_cmds_have_names() {
+        let chords = [
+            Cmd::CompareDirs, Cmd::CompareFiles, Cmd::Chattr, Cmd::Jobs,
+            Cmd::Permission, Cmd::Owner, Cmd::Link, Cmd::Symlink,
+            Cmd::SymlinkRelative, Cmd::SymlinkEdit, Cmd::VfsList, Cmd::Panelize,
+            Cmd::PanelInfo, Cmd::PanelQuickView, Cmd::HotList, Cmd::InsertCurPath,
+            Cmd::InsertOtherPath, Cmd::InsertCurFile, Cmd::InsertOtherFile,
+            Cmd::InsertCurTagged, Cmd::InsertOtherTagged,
+        ];
+        for cmd in chords {
+            assert!(!cmd.name().is_empty(), "{cmd:?} has no name");
+        }
+    }
+
+    #[test]
+    fn connect_cmds_have_names() {
+        assert!(!Cmd::ConnectFtp.name().is_empty());
+        assert!(!Cmd::ConnectShell.name().is_empty());
+        assert!(!Cmd::ConnectSftp.name().is_empty());
+    }
 }