Fix Tab key responsiveness with immediate UI refresh

- Add immediate terminal.draw() call after input handling in main loop
- Eliminate delay between Tab key press and visual host switching
- Provide instant visual feedback for all navigation inputs
- Maintain existing metric update render cycle without duplication
- Fix UI update timing issue where changes only appeared on metric intervals
- Bump version to 0.1.59

dashboard/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard"
-version = "0.1.58"
+version = "0.1.59"
 edition = "2021"
 
 [dependencies]

dashboard/src/app.rs

@@ -191,6 +191,17 @@ impl Dashboard {
                         break;
                     }
                 }
+
+                // Render UI immediately after handling input for responsive feedback
+                if let Some(ref mut terminal) = self.terminal {
+                    if let Some(ref mut tui_app) = self.tui_app {
+                        if let Err(e) = terminal.draw(|frame| {
+                            tui_app.render(frame, &self.metric_store);
+                        }) {
+                            error!("Error rendering TUI after input: {}", e);
+                        }
+                    }
+                }
             }
 
             // Check for new metrics