refactor + ui

src/config.rs

@@ -1,3 +1,5 @@
+use std::fmt::Display;
+
 use serde::Deserialize;
 
 /// Declarative install configuration
@@ -26,7 +28,7 @@ pub struct OllamaConfig {
 #[derive(Debug, Deserialize)]
 pub struct SSHConfig {
     pub sshd_config: Option<String>,
-    pub key: Vec<SSHKey>,
+    pub key: Option<Vec<SSHKey>>,
 }
 
 #[derive(Debug, Deserialize)]
@@ -90,3 +92,16 @@ pub enum InstallMode {
     // TODO : Evaluate
     Kiosk,
 }
+
+impl Display for InstallMode {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            InstallMode::Base => f.write_str("Base")?,
+            InstallMode::Desktop => f.write_str("Desktop")?,
+            InstallMode::Server => f.write_str("Server")?,
+            InstallMode::Kiosk => f.write_str("Kiosk")?,
+        }
+
+        Ok(())
+    }
+}