diff --git a/backend/src/routes/worker-registry.ts b/backend/src/routes/worker-registry.ts
index bfea79b7..0de75579 100644
--- a/backend/src/routes/worker-registry.ts
+++ b/backend/src/routes/worker-registry.ts
@@ -355,6 +355,12 @@ router.get('/workers', async (req: Request, res: Response) => {
         -- Decommission fields
         COALESCE(decommission_requested, false) as decommission_requested,
         decommission_reason,
+        -- Preflight fields (dual-transport verification)
+        curl_ip,
+        http_ip,
+        preflight_status,
+        preflight_at,
+        fingerprint_data,
         -- Full metadata for resources
         metadata,
         EXTRACT(EPOCH FROM (NOW() - last_heartbeat_at)) as seconds_since_heartbeat,