Fixed style issues (fabbot)

Author: Marco van Angeren

src/chat/src/Chat.php

@@ -48,7 +48,7 @@ public function submit(UserMessage $message): AssistantMessage|AccumulatingStrea
 
         if ($result instanceof StreamResult || $result instanceof ToolboxStreamResult) {
             if (!$this->store instanceof StreamableStoreInterface) {
-                throw new RuntimeException($this->store::class . ' does not support streaming.');
+                throw new RuntimeException($this->store::class.' does not support streaming.');
             }
 
             return new AccumulatingStreamResult($result, function (AssistantMessage $assistantMessage) use ($messages) {

src/chat/src/Result/AccumulatingStreamResult.php

@@ -41,7 +41,7 @@ public function addOnComplete(\Closure $callback): void
                 $existingCallback($message);
                 $callback($message);
             }
-            : $callback;
+        : $callback;
     }
 
     public function getContent(): \Generator
@@ -61,9 +61,9 @@ public function getContent(): \Generator
                 yield $value;
             }
         } finally {
-            if ($this->onComplete !== null) {
+            if (null !== $this->onComplete) {
                 $assistantMessage = Message::ofAssistant(
-                    $accumulatedContent === '' ? null : $accumulatedContent,
+                    '' === $accumulatedContent ? null : $accumulatedContent,
                     $toolCalls ?: null
                 );
 
@@ -79,4 +79,3 @@ public function getMetadata(): Metadata
         return $this->innerResult->getMetadata();
     }
 }
-

src/chat/src/StreamableStoreInterface.php

@@ -17,4 +17,3 @@
 interface StreamableStoreInterface
 {
 }
-