feat(keymap): expose registry and update keybinding

Expose CmdRegistry via KeymapSet registry method.
Update Z keybinding to use SaveAndQuit command.
Pass registry to App's CmdContext construction.

Co-Authored-By: fiddlerwoaroof/git-smart-commit (bartowski/nvidia_Nemotron-Cascade-2-30B-A3B-GGUF)

src/command/keymap.rs

@@ -222,6 +222,10 @@ impl KeymapSet {
         }
     }
 
+    pub fn registry(&self) -> &CmdRegistry {
+        &self.registry
+    }
+
     pub fn insert(&mut self, mode: ModeKey, keymap: Arc<Keymap>) {
         self.mode_maps.insert(mode, keymap);
     }
@@ -409,11 +413,7 @@ impl KeymapSet {
         normal.bind_prefix(KeyCode::Char('y'), none, Arc::new(y_map));
 
         let mut z_map = Keymap::new();
-        z_map.bind_seq(
+        z_map.bind(KeyCode::Char('Z'), none, "wq");
-            KeyCode::Char('Z'),
-            none,
-            vec![("save", vec![]), ("force-quit", vec![])],
-        );
         normal.bind_prefix(KeyCode::Char('Z'), none, Arc::new(z_map));
 
         set.insert(ModeKey::Normal, Arc::new(normal));

src/ui/app.rs

@@ -160,6 +160,7 @@ impl App {
         CmdContext {
             model: &self.model,
             layout,
+            registry: self.keymap_set.registry(),
             mode: &self.mode,
             selected: view.selected,
             row_offset: view.row_offset,