Add sudo support and line count to log viewing commands

- Add sudo to journalctl command for proper systemd log access
- Add sudo to tail command for system log file access
- Add -n 50 to tail command to match journalctl behavior
- Both J and L keys now show last 50 lines before following

Ensures consistent behavior and proper permissions for all log viewing.

dashboard/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard"
-version = "0.1.50"
+version = "0.1.51"
 edition = "2021"
 
 [dependencies]

dashboard/src/ui/mod.rs

@@ -289,7 +289,7 @@ ssh -tt {}@{} 'bash -ic {}'",
                     // Show service logs via journalctl in tmux popup
                     if let (Some(service_name), Some(hostname)) = (self.get_selected_service(), self.current_host.clone()) {
                         let journalctl_command = format!(
-                            "ssh -tt {}@{} 'journalctl -u {}.service -f --no-pager -n 50'",
+                            "ssh -tt {}@{} 'sudo journalctl -u {}.service -f --no-pager -n 50'",
                             self.config.ssh.rebuild_user,
                             hostname,
                             service_name
@@ -315,7 +315,7 @@ ssh -tt {}@{} 'bash -ic {}'",
                         if let Some(host_logs) = self.config.service_logs.get(&hostname) {
                             if let Some(log_config) = host_logs.iter().find(|config| config.service_name == service_name) {
                                 let tail_command = format!(
-                                    "ssh -tt {}@{} 'tail -f {}'",
+                                    "ssh -tt {}@{} 'sudo tail -n 50 -f {}'",
                                     self.config.ssh.rebuild_user,
                                     hostname,
                                     log_config.log_file_path