feat: Add support for responses api body

Author: OpeOginni

index.mjs

@@ -13,6 +13,7 @@ export async function CopilotAuthPlugin({ client }) {
     "Editor-Plugin-Version": "copilot-chat/0.31.2",
     "Copilot-Integration-Id": "vscode-chat",
   };
+  const RESPONSES_API_TOOL_TYPES = ["file_search_call", "computer_call", "computer_call_output", "web_search_call", "function_call", "function_call_output", "image_generation_call", "code_interpreter_call", "local_shell_call", "local_shell_call_output", "mcp_list_tools", "mcp_approval_request", "mcp_approval_response", "mcp_call"];
 
   return {
     auth: {
@@ -78,6 +79,17 @@ export async function CopilotAuthPlugin({ client }) {
                     msg.content.some((part) => part.type === "image_url"),
                 );
               }
+
+              if(body?.input) {
+                isAgentCall = body.input.some(
+                  (input) => (input.role && ["assistant"].includes(input.role)) || (input.type && RESPONSES_API_TOOL_TYPES.includes(input.type)),
+                )
+                isVisionRequest = body.input.some(
+                  (input) =>
+                    Array.isArray(input.content) &&
+                    input.content.some((part) => part.type === "input_image"),
+                );
+              }
             } catch {}
             const headers = {
               ...init.headers,