Remove transitional icons and improve service logs

- Remove all transitional icon infrastructure (CommandType, pending transitions)
- Clean up ZMQ command system remnants after SSH migration
- Add real-time log streaming for service start operations
- Show final logs and status for service stop operations
- Fix compilation warnings by removing unused methods
- Simplify UI architecture with pure SSH-based service control

dashboard/src/app.rs

@@ -12,7 +12,7 @@ use tracing::{debug, error, info, warn};
 use crate::communication::{ZmqConsumer};
 use crate::config::DashboardConfig;
 use crate::metrics::MetricStore;
-use crate::ui::{TuiApp, UiCommand};
+use crate::ui::TuiApp;
 
 pub struct Dashboard {
     zmq_consumer: ZmqConsumer,
@@ -141,16 +141,10 @@ impl Dashboard {
                         match event::read() {
                             Ok(event) => {
                                 if let Some(ref mut tui_app) = self.tui_app {
-                                    // Handle input and check for commands
+                                    // Handle input
                                     match tui_app.handle_input(event) {
-                                        Ok(Some(command)) => {
-                                            // Execute the command
-                                            if let Err(e) = self.execute_ui_command(command).await {
-                                                error!("Failed to execute UI command: {}", e);
-                                            }
-                                        }
-                                        Ok(None) => {
-                                            // No command, check if we should quit
+                                        Ok(_) => {
+                                            // Check if we should quit
                                             if tui_app.should_quit() {
                                                 info!("Quit requested, exiting dashboard");
                                                 break;
@@ -277,17 +271,6 @@ impl Dashboard {
         Ok(())
     }
 
-    /// Execute a UI command by sending it to the appropriate agent
-    async fn execute_ui_command(&self, command: UiCommand) -> Result<()> {
-        match command {
-            UiCommand::TriggerBackup { hostname } => {
-                info!("Trigger backup requested for {}", hostname);
-                // TODO: Implement backup trigger command
-                info!("Backup trigger not yet implemented");
-            }
-        }
-        Ok(())
-    }
 
 }