fix: improve gateway diagnostics

src/daemon/service-runtime.ts

@@ -0,0 +1,13 @@
+export type GatewayServiceRuntime = {
+  status?: "running" | "stopped" | "unknown";
+  state?: string;
+  subState?: string;
+  pid?: number;
+  lastExitStatus?: number;
+  lastExitReason?: string;
+  lastRunResult?: string;
+  lastRunTime?: string;
+  detail?: string;
+  cachedLabel?: boolean;
+  missingUnit?: boolean;
+};