fix: dont double cache documents

lib/cache.ts

@@ -6,9 +6,12 @@ interface SetCacheOptions {
   expires?: number; // Override expiration for individual cache entries
 }
 
-const caches = new Map<
+export const caches = new Map<
   string,
-  { info: () => { name: string; count: number; sizeInKB: number } }
+  {
+    info: () => { name: string; count: number; sizeInKB: number };
+    clear: () => void;
+  }
 >();
 
 export function createCache<T>(
@@ -31,6 +34,10 @@ export function createCache<T>(
       return entry.value; // Return value if not expired
     },
 
+    clear() {
+      cache.clear();
+    },
+
     set(key: string, value: T | unknown, opts: SetCacheOptions = {}) {
       const now = Date.now();
       const expiresIn = opts.expires ?? createOpts.expires;
@@ -94,6 +101,7 @@ export function createCache<T>(
   };
 
   caches.set(cacheName, {
+    clear: api.clear.bind(api),
     info: api.info.bind(api),
   });