fix: catch system signals for clean v8 exit (#366)

.c8rc.json

@@ -1,6 +1,6 @@
 {
-	"all": true,
-	"src": ["src"],
-	"include": ["src/**/*.ts"],
-	"reporter": ["text", "html"]
+  "include": ["lib/**/*.js"],
+  "exclude": ["node_modules/**", "lib/**/*.js.map"],
+  "reporter": ["html", "text"],
+  "temp-directory": "./coverage/tmp"
 }

src/index.ts

@@ -76,6 +76,17 @@ const startStdioServer = async () => {
 		const server = createMcpServer();
 		await server.connect(transport);
 
+		// Exit cleanly on termination signals so node flushes pending work
+		// (including NODE_V8_COVERAGE output). Node's default SIGINT/SIGTERM
+		// handling terminates the process without writing the coverage file,
+		// which makes the `test:mcp` report come back all zeros.
+		const shutdown = () => {
+			process.exit(0);
+		};
+
+		process.on("SIGINT", shutdown);
+		process.on("SIGTERM", shutdown);
+
 		error("mobile-mcp server running on stdio");
 	} catch (err: any) {
 		console.error("Fatal error in main():", err);

src/mobilecli.ts

@@ -34,16 +34,24 @@ export interface MobilecliDevicesOptions {
 	type?: "real" | "emulator" | "simulator";
 }
 
+export interface MobilecliDeviceProvider {
+	type: string; // e.g. "mobilefleet" for remote devices
+	allocationId?: string;
+}
+
+export interface MobilecliDevice {
+	id: string;
+	name: string;
+	platform: "android" | "ios";
+	type: "real" | "emulator" | "simulator";
+	version: string;
+	provider?: MobilecliDeviceProvider;
+}
+
 export interface MobilecliDevicesResponse {
 	status: "ok";
 	data: {
-		devices: Array<{
-			id: string;
-			name: string;
-			platform: "android" | "ios";
-			type: "real" | "emulator" | "simulator";
-			version: string;
-		}>;
+		devices: MobilecliDevice[];
 	};
 }