diff --git a/proposals/2026-04-23/smoke-test/up.cypher b/proposals/2026-04-23/smoke-test/up.cypher
new file mode 100644
index 0000000..833ada5
--- /dev/null
+++ b/proposals/2026-04-23/smoke-test/up.cypher
@@ -0,0 +1 @@
+MERGE (n:SmokeTest {id: 'smoke-2026-04-23'}) ON CREATE SET n.created_at = datetime() ON MATCH SET n.last_touched_at = datetime();
\ No newline at end of file