Remove int cast and check _meta is an array

Author: kaipiyann

src/Schema/Prompt.php

@@ -62,11 +62,15 @@ public static function fromArray(array $data): self
             $arguments = array_map(fn (array $argData) => PromptArgument::fromArray($argData), $data['arguments']);
         }
 
+        if (!empty($data['_meta']) && !\is_array($data['_meta'])) {
+            throw new InvalidArgumentException('Invalid "_meta" in Prompt data.');
+        }
+
         return new self(
             name: $data['name'],
             description: $data['description'] ?? null,
             arguments: $arguments,
-            _meta: isset($data['_meta']) ? (int) $data['_meta'] : null
+            _meta: isset($data['_meta']) ? $data['_meta'] : null
         );
     }
 

src/Schema/Resource.php

@@ -82,14 +82,18 @@ public static function fromArray(array $data): self
             throw new InvalidArgumentException('Invalid or missing "name" in Resource data.');
         }
 
+        if (!empty($data['_meta']) && !\is_array($data['_meta'])) {
+            throw new InvalidArgumentException('Invalid "_meta" in Resource data.');
+        }
+
         return new self(
             uri: $data['uri'],
             name: $data['name'],
             description: $data['description'] ?? null,
             mimeType: $data['mimeType'] ?? null,
             annotations: isset($data['annotations']) ? Annotations::fromArray($data['annotations']) : null,
             size: isset($data['size']) ? (int) $data['size'] : null,
-            _meta: isset($data['_meta']) ? (int) $data['_meta'] : null
+            _meta: isset($data['_meta']) ? $data['_meta'] : null
         );
     }
 

src/Schema/ResourceTemplate.php

@@ -77,13 +77,17 @@ public static function fromArray(array $data): self
             throw new InvalidArgumentException('Invalid or missing "name" in ResourceTemplate data.');
         }
 
+        if (!empty($data['_meta']) && !\is_array($data['_meta'])) {
+            throw new InvalidArgumentException('Invalid "_meta" in ResourceTemplate data.');
+        }
+
         return new self(
             uriTemplate: $data['uriTemplate'],
             name: $data['name'],
             description: $data['description'] ?? null,
             mimeType: $data['mimeType'] ?? null,
             annotations: isset($data['annotations']) ? Annotations::fromArray($data['annotations']) : null,
-            _meta: isset($data['_meta']) ? (int) $data['_meta'] : null
+            _meta: isset($data['_meta']) ? $data['_meta'] : null
         );
     }