mad cleanup.

lib/buildOverlaps.ts

@@ -1,5 +1,5 @@
 // /lib/buildOverlaps.ts
-import type { CategoryId } from "@/types/gunbuilder";
+import type { CategoryId } from "@/types/builderSlots";
 
 export type OverlapChipModel = {
   key: string;

lib/catalogMappings.ts

@@ -1,4 +1,4 @@
-import type { CategoryId } from "@/types/gunbuilder";
+import type { CategoryId } from "@/types/builderSlots";
 
 /**
  * Normalize backend part roles into a canonical kebab-case form.