refactor(core): dedupe shared config and runtime helpers

src/infra/dedupe.ts

@@ -1,3 +1,5 @@
+import { pruneMapToMaxSize } from "./map-size.js";
+
 export type DedupeCache = {
   check: (key: string | undefined | null, now?: number) => boolean;
   clear: () => void;
@@ -32,13 +34,7 @@ export function createDedupeCache(options: DedupeCacheOptions): DedupeCache {
       cache.clear();
       return;
     }
-    while (cache.size > maxSize) {
-      const oldestKey = cache.keys().next().value;
-      if (!oldestKey) {
-        break;
-      }
-      cache.delete(oldestKey);
-    }
+    pruneMapToMaxSize(cache, maxSize);
   };
 
   return {