fix: correct handling of claude response

utils/anthropicClient.ts

@@ -11,6 +11,13 @@ export interface BaseTool {
   };
 }
 
+export type ToolUseBlock = {
+  type: 'tool_use';
+  id: string;
+  name: string;
+  input: Record<string, any>;
+};
+
 export async function makeRequest<T extends BaseTool>(prompt: string, tool: T) {
   if (!process.env.ANTHROPIC_API_KEY) {
     throw Error('No Anthropic API key found.');
@@ -20,7 +27,7 @@ export async function makeRequest<T extends BaseTool>(prompt: string, tool: T) {
 
   try {
     const response = await client.messages.create({
-      model: 'claude-sonnet-4-20250514',
+      model: 'claude-sonnet-4-0',
       max_tokens: 8192,
       temperature: 1,
       tools: [tool],
@@ -35,13 +42,17 @@ export async function makeRequest<T extends BaseTool>(prompt: string, tool: T) {
       throw Error(JSON.stringify(response));
     }
 
-    const content = response.content as [
-      { type: string; text: string },
-      { type: string; input: object }
-    ];
+    const content = response.content;
 
-    return content[1].input;
+    const toolUse = content.find((block): block is ToolUseBlock => block.type === 'tool_use');
+
+    if (!toolUse) {
+      throw new Error('No tool_use block found in response');
+    }
+
+    return toolUse.input;
   } catch (error) {
+    console.error('Error making request:', error);
     throw Error('Anthropic client error.');
   }
 }