com.apple.modelmanager.inferenceprovider.safety EXExtensionPointIsPublic EXPresentsUserInterface EXRequiredEntitlements com.apple.modelmanager.inferenceprovidermanager EXRequiresLibXPCConnection EXSupportedPlatforms iOS macOS watchOS xrOS tvOS EXRequiresMultiInstance EXSandboxProfileName safety-inference-extension-macos