use capital letter for keys

packages/app/src/interfaces/rehype.ts

@@ -1,6 +1,6 @@
 export const RehypeSanitizeOption = {
-  Recommended: 1,
-  Custom: 2,
+  RECOMMENDED: 1,
+  CUSTOM: 2,
 } as const;
 
 export type RehypeSanitizeOption = typeof RehypeSanitizeOption[keyof typeof RehypeSanitizeOption];