minor #644 Smaller CS fixes in examples (chr-hertel)

This PR was merged into the main branch.

Discussion
----------

 Smaller CS fixes in examples

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| Docs?         | no
| Issues        |
| License       | MIT

Commits
-------

6758ae5 Smaller CS fixes in examples

Author: chr-hertel

examples/gemini/toolcall.php

@@ -21,11 +21,11 @@
 require_once dirname(__DIR__).'/bootstrap.php';
 
 $platform = PlatformFactory::create(env('GEMINI_API_KEY'), http_client());
-$llm = new Gemini(Gemini::GEMINI_2_FLASH);
+$model = new Gemini(Gemini::GEMINI_2_FLASH);
 
 $toolbox = new Toolbox([new Clock()], logger: logger());
 $processor = new AgentProcessor($toolbox);
-$agent = new Agent($platform, $llm, [$processor], [$processor], logger: logger());
+$agent = new Agent($platform, $model, [$processor], [$processor], logger: logger());
 
 $messages = new MessageBag(Message::ofUser('What time is it?'));
 $result = $agent->call($messages);

examples/ollama/stream.php

@@ -24,11 +24,9 @@
     Message::ofUser('Tina has one brother and one sister. How many sisters do Tina\'s siblings have?'),
 );
 
-// Stream the response
 $result = $platform->invoke($model, $messages, ['stream' => true]);
-// Emit each chunk as it is received
 
-foreach ($result->getResult()->getContent() as $chunk) {
-    echo $chunk;
+foreach ($result->getResult()->getContent() as $word) {
+    echo $word;
 }
 echo \PHP_EOL;