From 4dfc4e0f72e5a94b1cdc849132bf87c131b3d15e Mon Sep 17 00:00:00 2001
From: "kiloconnect[bot]" <240665456+kiloconnect[bot]@users.noreply.github.com>
Date: Thu, 7 May 2026 16:19:47 +0000
Subject: [PATCH] feat(models/up): log details when returning 503

---
 apps/web/src/app/api/models/up/route.ts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/apps/web/src/app/api/models/up/route.ts b/apps/web/src/app/api/models/up/route.ts
index ba10afa238..3563fc263a 100644
--- a/apps/web/src/app/api/models/up/route.ts
+++ b/apps/web/src/app/api/models/up/route.ts
@@ -206,6 +206,23 @@ export async function GET(
     const hasSignificantDrop = Object.values(models).some(m => m.monitored && !m.healthy);
     const status = hasSignificantDrop ? 503 : 200;
 
+    if (hasSignificantDrop) {
+      const unhealthy = Object.entries(models)
+        .filter(([, m]) => m.monitored && !m.healthy)
+        .map(([model, m]) => ({
+          model,
+          currentRequests: m.currentRequests,
+          previousRequests: m.previousRequests,
+          baselineRequests: m.baselineRequests,
+          percentChange: m.percentChange,
+          uniqueUsersBaseline: m.uniqueUsersBaseline,
+        }));
+      console.error('[models/up] returning 503: unhealthy monitored models', {
+        anchorTime: (anchorTime ?? new Date()).toISOString(),
+        unhealthy,
+      });
+    }
+
     return NextResponse.json(
       {
         healthy: !hasSignificantDrop,