Fix doc-block parameter order and add InjectionPoint serialization test

- Fix @param tag order in ContainerFactory to match method signature
- Add serialization test for InjectionPoint to improve test coverage
- Enhance static analysis accuracy and IDE support

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: koriym

src/di/ContainerFactory.php

@@ -14,8 +14,8 @@
 final class ContainerFactory
 {
     /**
-     * @param non-empty-string               $classDir
      * @param AbstractModule|ModuleList|null $module   Module(s)
+     * @param non-empty-string               $classDir
      */
     public function __invoke($module, string $classDir): Container
     {

tests/di/InjectionPointTest.php

@@ -7,6 +7,10 @@
 use PHPUnit\Framework\TestCase;
 use ReflectionParameter;
 
+use function assert;
+use function serialize;
+use function unserialize;
+
 class InjectionPointTest extends TestCase
 {
     /** @var InjectionPointInterface */
@@ -45,4 +49,15 @@ public function testGetQualifiers(): void
         $this->assertCount(1, $annotations);
         $this->assertInstanceOf(FakeConstant::class, $annotations[0]);
     }
+
+    public function testSerialize(): void
+    {
+        $serialized = serialize($this->ip);
+        $unserialized = unserialize($serialized);
+        assert($unserialized instanceof InjectionPoint);
+
+        $this->assertEquals($this->parameter->name, $unserialized->getParameter()->name);
+        $this->assertEquals($this->parameter->getDeclaringFunction()->name, $unserialized->getParameter()->getDeclaringFunction()->name);
+        $this->assertEquals($this->parameter->getDeclaringClass()->name, $unserialized->getParameter()->getDeclaringClass()->name);
+    }
 }