refactor: ease Bedrock init (#324)

Author: chr-hertel

examples/bedrock/chat-claude.php

@@ -1,6 +1,5 @@
 <?php
 
-use AsyncAws\BedrockRuntime\BedrockRuntimeClient;
 use PhpLlm\LlmChain\Bridge\Anthropic\Claude;
 use PhpLlm\LlmChain\Bridge\Bedrock\PlatformFactory;
 use PhpLlm\LlmChain\Chain;
@@ -17,9 +16,7 @@
     exit(1);
 }
 
-$platform = PlatformFactory::create(
-    new BedrockRuntimeClient()
-);
+$platform = PlatformFactory::create();
 $llm = new Claude();
 
 $chain = new Chain($platform, $llm);

examples/bedrock/chat-llama.php

@@ -1,6 +1,5 @@
 <?php
 
-use AsyncAws\BedrockRuntime\BedrockRuntimeClient;
 use PhpLlm\LlmChain\Bridge\Bedrock\PlatformFactory;
 use PhpLlm\LlmChain\Bridge\Meta\Llama;
 use PhpLlm\LlmChain\Chain;
@@ -17,10 +16,8 @@
     exit(1);
 }
 
-$platform = PlatformFactory::create(
-    new BedrockRuntimeClient()
-);
-$llm = new Llama('llama-3.2-3b-instruct');
+$platform = PlatformFactory::create();
+$llm = new Llama(Llama::V3_2_3B_INSTRUCT);
 
 $chain = new Chain($platform, $llm);
 $messages = new MessageBag(

examples/bedrock/chat-nova.php

@@ -1,6 +1,5 @@
 <?php
 
-use AsyncAws\BedrockRuntime\BedrockRuntimeClient;
 use PhpLlm\LlmChain\Bridge\Bedrock\Nova\Nova;
 use PhpLlm\LlmChain\Bridge\Bedrock\PlatformFactory;
 use PhpLlm\LlmChain\Chain;
@@ -17,9 +16,7 @@
     exit(1);
 }
 
-$platform = PlatformFactory::create(
-    new BedrockRuntimeClient()
-);
+$platform = PlatformFactory::create();
 $llm = new Nova(Nova::PRO);
 
 $chain = new Chain($platform, $llm);

examples/bedrock/image-claude-binary.php

@@ -1,6 +1,5 @@
 <?php
 
-use AsyncAws\BedrockRuntime\BedrockRuntimeClient;
 use PhpLlm\LlmChain\Bridge\Anthropic\Claude;
 use PhpLlm\LlmChain\Bridge\Bedrock\PlatformFactory;
 use PhpLlm\LlmChain\Chain;
@@ -18,9 +17,7 @@
     exit(1);
 }
 
-$platform = PlatformFactory::create(
-    new BedrockRuntimeClient()
-);
+$platform = PlatformFactory::create();
 $llm = new Claude();
 
 $chain = new Chain($platform, $llm);

examples/bedrock/image-nova.php

@@ -1,6 +1,5 @@
 <?php
 
-use AsyncAws\BedrockRuntime\BedrockRuntimeClient;
 use PhpLlm\LlmChain\Bridge\Bedrock\Nova\Nova;
 use PhpLlm\LlmChain\Bridge\Bedrock\PlatformFactory;
 use PhpLlm\LlmChain\Chain;
@@ -18,9 +17,7 @@
     exit(1);
 }
 
-$platform = PlatformFactory::create(
-    new BedrockRuntimeClient()
-);
+$platform = PlatformFactory::create();
 $llm = new Nova(Nova::PRO);
 
 $chain = new Chain($platform, $llm);

examples/bedrock/toolcall-claude.php

@@ -1,6 +1,5 @@
 <?php
 
-use AsyncAws\BedrockRuntime\BedrockRuntimeClient;
 use PhpLlm\LlmChain\Bridge\Anthropic\Claude;
 use PhpLlm\LlmChain\Bridge\Bedrock\PlatformFactory;
 use PhpLlm\LlmChain\Chain;
@@ -21,9 +20,7 @@
     exit(1);
 }
 
-$platform = PlatformFactory::create(
-    new BedrockRuntimeClient()
-);
+$platform = PlatformFactory::create();
 $llm = new Claude();
 
 $wikipedia = new Wikipedia(HttpClient::create());

src/Bridge/Bedrock/PlatformFactory.php

@@ -12,7 +12,7 @@
 final readonly class PlatformFactory
 {
     public static function create(
-        ?BedrockRuntimeClient $bedrockRuntimeClient = null,
+        BedrockRuntimeClient $bedrockRuntimeClient = new BedrockRuntimeClient(),
     ): Platform {
         $modelClient[] = new ClaudeHandler($bedrockRuntimeClient);
         $modelClient[] = new NovaHandler($bedrockRuntimeClient);