@@ -0,0 +1,43 @@
+#import <Foundation/Foundation.h>
+#import <mach/mach_time.h>
+
+// Private simulator HID entry points; the host verifies the resulting hinge independently.
+extern CFDataRef IOCFSerialize(CFTypeRef object, CFOptionFlags options);
+extern CFTypeRef IOHIDEventCreateVendorDefinedEvent(CFAllocatorRef allocator, uint64_t timestamp,
+    uint32_t usagePage, uint32_t usage, uint32_t version, const uint8_t *data,
+    CFIndex length, uint32_t options);
+extern CFTypeRef IOHIDEventSystemClientCreate(CFAllocatorRef allocator);
+extern void IOHIDEventSystemClientDispatchEvent(CFTypeRef client, CFTypeRef event);
+
+int main(int argc, const char *argv[]) {
+  @autoreleasepool {
+    if (argc != 2) return 2;
+    NSDictionary *angles = @{@"closed": @0, @"half-open": @130, @"open": @180};
+    NSNumber *angle = angles[@(argv[1])];
+    if (!angle) {
+      fprintf(stderr, "Expected closed, half-open, or open\n");
+      return 2;
+    }
+    NSDictionary *payload = @{
+      @"provider": @"com.apple.Virtualization.VirtualMachines",
+      @"source": @"hinge-slider-control",
+      @"type": @"range",
+      @"value": angle,
+    };
+    CFDataRef data = IOCFSerialize((__bridge CFTypeRef)payload, 1);
+    if (!data) {
+      fprintf(stderr, "Unable to serialize simulator hinge payload\n");
+      return 1;
+    }
+    CFTypeRef client = IOHIDEventSystemClientCreate(kCFAllocatorDefault);
+    CFTypeRef event = IOHIDEventCreateVendorDefinedEvent(kCFAllocatorDefault,
+        mach_absolute_time(), 0xff61, 0x5b, 0, CFDataGetBytePtr(data), CFDataGetLength(data), 0);
+    if (client && event) IOHIDEventSystemClientDispatchEvent(client, event);
+    BOOL dispatched = client && event;
+    if (event) CFRelease(event);
+    if (client) CFRelease(client);
+    CFRelease(data);
+    if (!dispatched) fprintf(stderr, "Unable to create simulator HID client or event\n");
+    return dispatched ? 0 : 1;
+  }
+}
@@ -14,20 +14,13 @@ let package = Package(
     .target(
       name: "AgentDeviceMacOSInput"
     ),
-    .target(
-      name: "AgentDeviceMacOSDeviceHub"
-    ),
     .executableTarget(
       name: "AgentDeviceMacOSHelper",
-      dependencies: ["AgentDeviceMacOSInput", "AgentDeviceMacOSDeviceHub"]
+      dependencies: ["AgentDeviceMacOSInput"]
     ),
     .testTarget(
       name: "AgentDeviceMacOSInputTests",
       dependencies: ["AgentDeviceMacOSInput"]
     ),
-    .testTarget(
-      name: "AgentDeviceMacOSDeviceHubTests",
-      dependencies: ["AgentDeviceMacOSDeviceHub"]
-    ),
   ]
 )