Mind: Implement initialize/finalizeBodyReq()

We've done a lot of general work on the init sequencing.

smocore/deviceManager/deviceManager.cpp

@@ -37,6 +37,14 @@ struct DeviceAttachmentContinuation {
 			> cb)
 	: spec(s), callback(cb)
 	{}
+
+	void callOriginalCallback(
+		bool success,
+		std::shared_ptr<Device> device,
+		std::shared_ptr<DeviceAttachmentSpec> deviceSpec)
+	{
+		callback(success, device, deviceSpec);
+	}
 };
 
 const std::string DeviceManager::stringifyDeviceSpecs(void)
@@ -71,7 +79,7 @@ void DeviceManager::newDeviceAttachmentSpecInd(
 	{
 		if (!(*existingSpec == *spec)) { continue; }
 		// Already exists, callback with error
-		callback(false, nullptr, nullptr);
+		continuation->callOriginalCallback(false, nullptr, nullptr);
 		return;
 	}
 
@@ -104,10 +112,10 @@ void DeviceManager::newDeviceAttachmentSpecInd(
 		deviceAttachmentSpecs.push_back(spec);
 
 		// Callback with success
-		callback(true, device, spec);
+		continuation->callOriginalCallback(true, device, spec);
 	} catch (const std::exception& e) {
 		// Attach failed, callback with error
-		callback(false, nullptr, nullptr);
+		continuation->callOriginalCallback(false, nullptr, nullptr);
 	}
 }
 #endif