fix(ui): add sleeping/waking to ServiceStatus union + sleeping badge class

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app/frontend/src/index.css

@@ -398,6 +398,10 @@ textarea {
   background: var(--text-tertiary);
 }
 
+.status-sleeping {
+  background: var(--info, #6366f1);
+}
+
 @keyframes pulse-ring {
   0% { transform: scale(1); opacity: 0.7; }
   70% { transform: scale(2); opacity: 0; }