Fix: install

Signed-off-by: ale <ale@manalejandro.com>

src/cache/cache-manager.js

@@ -66,6 +66,28 @@ class CacheManager {
     return data;
   }
 
+  async has(packageName, version) {
+    const key = this.generateKey(packageName, version);
+    const metadata = await this.loadMetadata();
+    
+    if (!metadata.entries[key]) {
+      return false;
+    }
+
+    const entry = metadata.entries[key];
+    const filePath = path.join(this.cacheDir, entry.file);
+    
+    // Check if file exists
+    if (!fs.existsSync(filePath)) {
+      // Remove stale entry
+      delete metadata.entries[key];
+      await this.saveMetadata(metadata);
+      return false;
+    }
+
+    return true;
+  }
+
   async store(packageName, version, data) {
     const key = this.generateKey(packageName, version);
     const metadata = await this.loadMetadata();