fix(groq): handle Llama models embedding arguments in function name

src/Providers/Groq/Handlers/Text.php

@@ -148,10 +148,28 @@ protected function addStep(array $data, Request $request, ClientResponse $client
      */
     protected function mapToolCalls(array $toolCalls): array
     {
-        return array_map(fn (array $toolCall): ToolCall => new ToolCall(
-            id: data_get($toolCall, 'id'),
-            name: data_get($toolCall, 'function.name'),
-            arguments: data_get($toolCall, 'function.arguments'),
-        ), $toolCalls);
+        return array_map(function (array $toolCall): ToolCall {
+            $name      = data_get($toolCall, 'function.name', '');
+            $arguments = data_get($toolCall, 'function.arguments', '{}');
+
+            // Some Llama models (e.g. llama-3.3-70b-versatile on Groq) embed
+            // the arguments JSON directly in the function name field, separated
+            // by a comma: "tool_name,{\"arg\":\"val\"}". Groq then rejects the
+            // follow-up turn because the mangled name is not in request.tools.
+            // Detect this pattern and split the name from the inline arguments.
+            if (is_string($name) && str_contains($name, ',{')) {
+                [$extractedName, $inlineArgs] = explode(',', $name, 2);
+                if (json_decode($inlineArgs) !== null) {
+                    $name      = $extractedName;
+                    $arguments = $inlineArgs;
+                }
+            }
+
+            return new ToolCall(
+                id: data_get($toolCall, 'id'),
+                name: $name,
+                arguments: $arguments ?: '{}',
+            );
+        }, $toolCalls);
     }
 }