Add Docker whale icon for docker images

Docker images now display with distinctive 🐋 whale icon in blue (highlight color) instead of status icons. This provides clear visual identification that these are docker images while not implying operational status.

Cargo.lock

@@ -279,7 +279,7 @@ checksum = "a1d728cc89cf3aee9ff92b05e62b19ee65a02b5702cff7d5a377e32c6ae29d8d"
 
 [[package]]
 name = "cm-dashboard"
-version = "0.1.189"
+version = "0.1.190"
 dependencies = [
  "anyhow",
  "chrono",
@@ -301,7 +301,7 @@ dependencies = [
 
 [[package]]
 name = "cm-dashboard-agent"
-version = "0.1.189"
+version = "0.1.190"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -324,7 +324,7 @@ dependencies = [
 
 [[package]]
 name = "cm-dashboard-shared"
-version = "0.1.189"
+version = "0.1.190"
 dependencies = [
  "chrono",
  "serde",

dashboard/src/ui/widgets/services.rs

@@ -180,7 +180,7 @@ impl ServicesWidget {
         };
         let tree_symbol = if is_last { "└─" } else { "├─" };
 
-        // Docker images don't have status icons
+        // Docker images use docker whale icon
         if info.service_type == "image" {
             vec![
                 // Indentation and tree prefix
@@ -188,7 +188,12 @@ impl ServicesWidget {
                     format!("  {} ", tree_symbol),
                     Typography::tree(),
                 ),
-                // Service name (no icon for images)
+                // Docker whale icon
+                ratatui::text::Span::styled(
+                    "🐋 ".to_string(),
+                    Style::default().fg(Theme::highlight()).bg(Theme::background()),
+                ),
+                // Service name
                 ratatui::text::Span::styled(
                     format!("{:<18} ", short_name),
                     Style::default()