feat(coding-agent): add after_provider_response hook closes #3128

packages/ai/src/utils/headers.ts

@@ -0,0 +1,7 @@
+export function headersToRecord(headers: Headers): Record<string, string> {
+	const result: Record<string, string> = {};
+	for (const [key, value] of headers.entries()) {
+		result[key] = value;
+	}
+	return result;
+}