Add CM Dashboard ASCII logo to rebuild tmux popup

- Display branded CM Dashboard ASCII logo in green when rebuild starts
- Shows logo immediately when tmux popup opens for better UX
- Includes rebuild target hostname and visual separator
- Enhances rebuild process with professional branding
- Bump version to v0.1.39

Cargo.lock

@@ -270,7 +270,7 @@ checksum = "a1d728cc89cf3aee9ff92b05e62b19ee65a02b5702cff7d5a377e32c6ae29d8d"
 
 [[package]]
 name = "cm-dashboard"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
  "anyhow",
  "chrono",
@@ -291,7 +291,7 @@ dependencies = [
 
 [[package]]
 name = "cm-dashboard-agent"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -314,7 +314,7 @@ dependencies = [
 
 [[package]]
 name = "cm-dashboard-shared"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
  "chrono",
  "serde",

agent/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard-agent"
-version = "0.1.38"
+version = "0.1.39"
 edition = "2021"
 
 [dependencies]

dashboard/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard"
-version = "0.1.38"
+version = "0.1.39"
 edition = "2021"
 
 [dependencies]

dashboard/src/ui/mod.rs

@@ -244,16 +244,31 @@ impl TuiApp {
                 KeyCode::Char('r') => {
                     // System rebuild command - works on any panel for current host
                     if let Some(hostname) = self.current_host.clone() {
-                        // Launch tmux popup with SSH using config values
-                        let ssh_command = format!(
-                            "ssh -tt {}@{} 'bash -ic {}'",
+                        // Create command that shows CM Dashboard logo and then rebuilds
+                        let logo_and_rebuild = format!(
+                            "echo ''; \
+                             echo -e '\\033[1;32m  _____ __  __   _____            _     _                         _ \\033[0m'; \
+                             echo -e '\\033[1;32m / ____|  \\/  | |  __ \\          | |   | |                       | |\\033[0m'; \
+                             echo -e '\\033[1;32m| |    | \\  / | | |  | | __ _ ___| |__ | |__   ___   __ _ _ __ __| |\\033[0m'; \
+                             echo -e '\\033[1;32m| |    | |\\/| | | |  | |/ _` / __| \\'_ \\| \\'_ \\ / _ \\ / _` | \\'__/ _` |\\033[0m'; \
+                             echo -e '\\033[1;32m| |____| |  | | | |__| | (_| \\__ \\ | | | |_) | (_) | (_| | | | (_| |\\033[0m'; \
+                             echo -e '\\033[1;32m \\_____|_|  |_| |_____/ \\__,_|___/_| |_|_.__/ \\___/ \\__,_|_|  \\__,_|\\033[0m'; \
+                             echo ''; \
+                             echo -e '\\033[1;33m                    NixOS System Rebuild\\033[0m'; \
+                             echo -e '\\033[1;32m                       Target: {}\\033[0m'; \
+                             echo ''; \
+                             echo -e '\\033[1;90m────────────────────────────────────────────────────────────────────────────────\\033[0m'; \
+                             echo ''; \
+                             ssh -tt {}@{} 'bash -ic {}'",
+                            hostname,
                             self.config.ssh.rebuild_user,
                             hostname,
                             self.config.ssh.rebuild_alias
                         );
+                        
                         std::process::Command::new("tmux")
                             .arg("display-popup")
-                            .arg(&ssh_command)
+                            .arg(&logo_and_rebuild)
                             .spawn()
                             .ok(); // Ignore errors, tmux will handle them
                     }

shared/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard-shared"
-version = "0.1.38"
+version = "0.1.39"
 edition = "2021"
 
 [dependencies]