diff --git a/apps/api/src/index.ts b/apps/api/src/index.ts
index 4cd8748..5aa635c 100644
--- a/apps/api/src/index.ts
+++ b/apps/api/src/index.ts
@@ -144,3 +144,5 @@ if (isMainModule()) {
     console.log(`FamilySync API running on http://localhost:${info.port}`);
   });
 }
+
+// CI code-path probe (throwaway — verifies api/harness run on code PRs; remove with branch)