fix: because the cached discoveryState does not use ->setDiscoveryState(), it is found that the discoveryState cannot be used

Author: X2NX

src/Capability/Discovery/Discoverer.php

@@ -125,11 +125,7 @@ public function discover(string $basePath, array $directories, array $excludeDir
             'resourceTemplates' => $discoveredCount['resourceTemplates'],
         ]);
 
-        $discoveryState = new DiscoveryState($tools, $resources, $prompts, $resourceTemplates);
-
-        $this->registry->setDiscoveryState($discoveryState);
-
-        return $discoveryState;
+        return new DiscoveryState($tools, $resources, $prompts, $resourceTemplates);
     }
 
     /**

src/Capability/Registry/Loader/DiscoveryLoader.php

@@ -44,6 +44,8 @@ public function load(ReferenceRegistryInterface $registry): void
             ? new CachedDiscoverer($discoverer, $this->cache, $this->logger)
             : $discoverer;
 
-        $cachedDiscoverer->discover($this->basePath, $this->scanDirs, $this->excludeDirs);
+        $discoveryState =$cachedDiscoverer->discover($this->basePath, $this->scanDirs, $this->excludeDirs);
+
+        $registry->setDiscoveryState($discoveryState);
     }
 }