chore: show fallback change warning

src/pages/model-routes/config/form-context.ts

@@ -0,0 +1,20 @@
+import { PageActionType } from '@/config/types';
+import { createContext, useContext } from 'react';
+
+interface FormContextProps {
+  onFallbackChange?: (changed: boolean) => void;
+  action?: PageActionType;
+  currentData?: any;
+}
+
+const FormContext = createContext<FormContextProps>({});
+
+export const useFormContext = () => {
+  const context = useContext(FormContext);
+  if (!context) {
+    throw new Error('useFormContext must be used within a FormProvider');
+  }
+  return context;
+};
+
+export default FormContext;