feat: add alert grace period controls

Sources/Views/Tabs/SummaryView.swift

@@ -172,13 +172,15 @@ struct SummaryView: View {
                 VStack(alignment: .leading, spacing: 10) {
                     HStack(alignment: .center, spacing: 10) {
                         Circle()
-                            .fill(server.pingable ? Color.green : Color.red)
+                            .fill(statusTint)
                             .frame(width: 10, height: 10)
+                            .help(statusTooltip)
 
                         Text(server.hostname)
                             .font(.system(size: 22, weight: .semibold))
 
-                        statusBadge(server.pingable ? "Online" : "Offline", tint: server.pingable ? .green : .red)
+                        statusBadge(statusText, tint: statusTint)
+                            .help(statusTooltip)
                     }
 
                     HStack(spacing: 8) {
@@ -417,6 +419,27 @@ struct SummaryView: View {
             return .green
         }
     }
+
+    private var statusTint: Color {
+        if !server.pingable {
+            return .red
+        }
+        if server.info?.rebootRequired == true {
+            return .yellow
+        }
+        return .green
+    }
+
+    private var statusText: String {
+        server.pingable ? "Online" : "Offline"
+    }
+
+    private var statusTooltip: String {
+        if !server.pingable {
+            return "This host is offline."
+        }
+        return server.info?.statusTooltip ?? "This host is online."
+    }
 }
 
 #Preview {