feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

frontend/packages/common/chat-area/chat-uikit/src/context/onboarding/index.ts

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+import { createContext, useContext } from 'react';
+
+import { type IEventCallbacks } from '@coze-common/chat-uikit-shared';
+/**
+ * 为了支持CozeImage隔空取物和性能优化角度考虑临时开的Context，没事儿别乱用。。。。
+ */
+// eslint-disable-next-line @typescript-eslint/naming-convention
+export const OnboardingContext = createContext<{
+  imageAutoSizeContainerWidth: number | undefined;
+  eventCallbacks: IEventCallbacks | undefined;
+}>({
+  imageAutoSizeContainerWidth: undefined,
+  eventCallbacks: undefined,
+});
+
+export const useOnboardingContext = () => useContext(OnboardingContext);