diff --git a/src/app/api/gis/search/route.ts b/src/app/api/gis/search/route.ts
index 473a4ef..c9b5b1f 100644
--- a/src/app/api/gis/search/route.ts
+++ b/src/app/api/gis/search/route.ts
@@ -7,6 +7,17 @@ export const dynamic = "force-dynamic";
 
 export async function GET(request: Request) {
   const session = await getAuthSession();
+  const hasSession = !!session;
+  const sessionUserEmail = session?.user?.email ?? null;
+  const hasAccessToken = !!(session as { accessToken?: string } | null)
+    ?.accessToken;
+  console.log(
+    "[gis-search] hasSession=%s email=%s hasAccessToken=%s",
+    hasSession,
+    sessionUserEmail,
+    hasAccessToken,
+  );
+
   if (!session) {
     return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
   }
@@ -22,14 +33,17 @@ export async function GET(request: Request) {
 
   try {
     const data = await gisApi.search(q, limit);
+    console.log("[gis-search] OK q=%s uats=%d features=%d", q, data.uats?.length ?? 0, data.features?.length ?? 0);
     return NextResponse.json(data);
   } catch (err) {
     if (err instanceof GisApiError) {
+      console.error("[gis-search] gis-api error code=%s status=%d body=%j", err.code, err.status, err.body);
       return NextResponse.json(
         { error: err.code, status: err.status },
         { status: err.status },
       );
     }
+    console.error("[gis-search] internal error:", err);
     return NextResponse.json({ error: "internal_error" }, { status: 500 });
   }
 }