feat(cli): add --ios-app-path flag

cmd/sanderling/main.go

@@ -21,6 +21,7 @@ type testOptions struct {
 	platform   string
 	avd        string
 	iosDevice  string
+	iosAppPath string
 	duration   time.Duration
 	seed       int64
 	output     string
@@ -50,6 +51,7 @@ func parseTestArgs(args []string, stderr io.Writer) (testOptions, error) {
 	flagSet.StringVar(&options.platform, "platform", "android", "target platform: android, ios, web")
 	flagSet.StringVar(&options.avd, "avd", "", "Android AVD name to boot if no device is connected")
 	flagSet.StringVar(&options.iosDevice, "ios-device", "", "iOS simulator name or UDID to boot if none is running")
+	flagSet.StringVar(&options.iosAppPath, "ios-app-path", "", "path to the .app bundle for iOS simulator clear-state reinstall")
 	flagSet.DurationVar(&options.duration, "duration", 5*time.Minute, "total test duration")
 	flagSet.Int64Var(&options.seed, "seed", 0, "RNG seed (0 = random)")
 	flagSet.StringVar(&options.output, "output", "./runs", "output directory for traces")

cmd/sanderling/main_test.go

@@ -181,6 +181,31 @@ func TestParseTestArgs_IosDeviceFlag(t *testing.T) {
 	}
 }
 
+func TestParseTestArgs_IosAppPathFlag(t *testing.T) {
+	options, err := parseTestArgs([]string{
+		"--spec", "s.ts",
+		"--bundle-id", "com.example.app",
+		"--platform", "ios",
+		"--ios-app-path", "/tmp/build/iosApp.app",
+	}, io.Discard)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if options.iosAppPath != "/tmp/build/iosApp.app" {
+		t.Errorf("expected iosAppPath=/tmp/build/iosApp.app, got %q", options.iosAppPath)
+	}
+}
+
+func TestParseTestArgs_IosAppPathOptional(t *testing.T) {
+	options, err := parseTestArgs([]string{"--spec", "s.ts", "--bundle-id", "com.example.app"}, io.Discard)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if options.iosAppPath != "" {
+		t.Errorf("iosAppPath default: got %q, want empty", options.iosAppPath)
+	}
+}
+
 func TestRun_TestSubcommand_PipelineErrors(t *testing.T) {
 	// Web skips host-dependent device boot and bundles first, so a missing spec
 	// deterministically surfaces a bundle-resolution error. This proves the

cmd/sanderling/test_run.go

@@ -14,6 +14,7 @@ func runTestPipeline(ctx context.Context, options testOptions, stdout io.Writer)
 		Platform:   options.platform,
 		AVD:        options.avd,
 		IosDevice:  options.iosDevice,
+		IosAppPath: options.iosAppPath,
 		Duration:   options.duration,
 		Seed:       options.seed,
 		Output:     options.output,