fix(gatekeeper): enhance logging and stabilize upstream polling

packages/gatekeeper/src/app/api/verify/route.ts

@@ -11,6 +11,8 @@ export async function GET(req: NextRequest) {
 
   // 1. URL Parameter Bypass (for automated tests/staging)
   const originalUrl = req.headers.get("x-forwarded-uri") || "/";
+
+  console.log(`[Verify] Check: ${originalUrl} | Cookie: ${session ? "Found" : "Missing"}`);
   const host =
     req.headers.get("x-forwarded-host") || req.headers.get("host") || "";
   const proto = req.headers.get("x-forwarded-proto") || "https";
@@ -54,15 +56,17 @@ export async function GET(req: NextRequest) {
   if (session?.value) {
     if (session.value === password) {
       isAuthenticated = true;
+      console.log(`[Verify] Legacy password match`);
     } else {
       try {
         const payload = JSON.parse(session.value);
         if (payload.identity) {
           isAuthenticated = true;
           identity = payload.identity;
+          console.log(`[Verify] Identity verified: ${identity}`);
         }
       } catch (_e) {
-        // Fallback or old format
+        console.log(`[Verify] JSON Parse failed for cookie: ${session.value.substring(0, 10)}...`);
       }
     }
   }