Fix ccc-queue triggering client main() on import

Move resolve_queue_item into conduit.mjs factory and have ccc-queue
import from there instead of index.mjs, which auto-executes main().

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

client/conduit.mjs

@@ -26,10 +26,18 @@ export function create_conduit_client(username, secret) {
 
 	async function get_queue() {
 		const res = await fetch(`${BASE_URL}/queue`, {
-			headers: auth_headers(""),
+			headers: auth_headers(''),
 		});
 		return res.json();
 	}
 
-	return { call_action, list_actions, get_queue };
+	async function resolve_queue_item(id, decision) {
+		const res = await fetch(`${BASE_URL}/queue/${id}/${decision}`, {
+			method: 'POST',
+			headers: auth_headers(''),
+		});
+		return res.json();
+	}
+
+	return { call_action, list_actions, get_queue, resolve_queue_item };
 }