Use ::class constants instead of string class names in AiBundleTest

- Import Definition, Handoff, and MultiAgent classes
- Replace string class names with ::class constants
- Remove fully qualified class names in assertions

Author: OskarStark

src/ai-bundle/tests/DependencyInjection/AiBundleTest.php

@@ -18,6 +18,8 @@
 use Symfony\AI\Agent\AgentInterface;
 use Symfony\AI\Agent\Memory\MemoryInputProcessor;
 use Symfony\AI\Agent\Memory\StaticMemoryProvider;
+use Symfony\AI\Agent\MultiAgent\Handoff;
+use Symfony\AI\Agent\MultiAgent\MultiAgent;
 use Symfony\AI\AiBundle\AiBundle;
 use Symfony\AI\Store\Document\Filter\TextContainsFilter;
 use Symfony\AI\Store\Document\Loader\InMemoryLoader;
@@ -27,6 +29,7 @@
 use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\Definition;
 use Symfony\Component\DependencyInjection\Reference;
 use Symfony\Component\Translation\TranslatableMessage;
 
@@ -2129,7 +2132,7 @@ public function testValidMultiAgentConfiguration()
         $multiAgentDefinition = $container->getDefinition('ai.multi_agent.support');
 
         // Verify the class is correct
-        $this->assertSame('Symfony\AI\Agent\MultiAgent\MultiAgent', $multiAgentDefinition->getClass());
+        $this->assertSame(MultiAgent::class, $multiAgentDefinition->getClass());
 
         // Verify arguments
         $arguments = $multiAgentDefinition->getArguments();
@@ -2146,8 +2149,8 @@ public function testValidMultiAgentConfiguration()
 
         // Verify handoff structure
         $handoff = $handoffs[0];
-        $this->assertInstanceOf(\Symfony\Component\DependencyInjection\Definition::class, $handoff);
-        $this->assertSame('Symfony\AI\Agent\MultiAgent\Handoff', $handoff->getClass());
+        $this->assertInstanceOf(Definition::class, $handoff);
+        $this->assertSame(Handoff::class, $handoff->getClass());
         $handoffArgs = $handoff->getArguments();
         $this->assertCount(2, $handoffArgs);
         $this->assertInstanceOf(Reference::class, $handoffArgs[0]);
@@ -2223,8 +2226,8 @@ public function testMultiAgentWithMultipleHandoffs()
 
         // Both handoffs should be Definition objects
         foreach ($handoffs as $handoff) {
-            $this->assertInstanceOf(\Symfony\Component\DependencyInjection\Definition::class, $handoff);
-            $this->assertSame('Symfony\AI\Agent\MultiAgent\Handoff', $handoff->getClass());
+            $this->assertInstanceOf(Definition::class, $handoff);
+            $this->assertSame(Handoff::class, $handoff->getClass());
             $handoffArgs = $handoff->getArguments();
             $this->assertCount(2, $handoffArgs);
             $this->assertInstanceOf(Reference::class, $handoffArgs[0]);
@@ -2507,7 +2510,7 @@ public function testComprehensiveMultiAgentHappyPath()
 
         // Test customer_support multi-agent configuration
         $customerSupportDef = $container->getDefinition('ai.multi_agent.customer_support');
-        $this->assertSame('Symfony\AI\Agent\MultiAgent\MultiAgent', $customerSupportDef->getClass());
+        $this->assertSame(MultiAgent::class, $customerSupportDef->getClass());
 
         $csArguments = $customerSupportDef->getArguments();
         $this->assertCount(4, $csArguments);
@@ -2523,14 +2526,14 @@ public function testComprehensiveMultiAgentHappyPath()
 
         // Code expert handoff
         $codeHandoff = $csHandoffs[0];
-        $this->assertInstanceOf(\Symfony\Component\DependencyInjection\Definition::class, $codeHandoff);
+        $this->assertInstanceOf(Definition::class, $codeHandoff);
         $codeHandoffArgs = $codeHandoff->getArguments();
         $this->assertSame('ai.agent.code_expert', (string) $codeHandoffArgs[0]);
         $this->assertSame(['bug', 'error', 'code', 'debug', 'performance', 'optimization'], $codeHandoffArgs[1]);
 
         // Docs expert handoff
         $docsHandoff = $csHandoffs[1];
-        $this->assertInstanceOf(\Symfony\Component\DependencyInjection\Definition::class, $docsHandoff);
+        $this->assertInstanceOf(Definition::class, $docsHandoff);
         $docsHandoffArgs = $docsHandoff->getArguments();
         $this->assertSame('ai.agent.docs_expert', (string) $docsHandoffArgs[0]);
         $this->assertSame(['documentation', 'docs', 'readme', 'api', 'guide', 'tutorial'], $docsHandoffArgs[1]);