Use server reads for rate limit counts

Author: bc-rmalyavc

src/lib/rate-limit.ts

@@ -1,4 +1,4 @@
-import { doc, getDoc, increment, setDoc } from 'firebase/firestore';
+import { doc, getDocFromServer, increment, setDoc } from 'firebase/firestore';
 import { getDb } from './db';
 
 interface RateLimitOptions {
@@ -36,7 +36,7 @@ export async function enforceRateLimit(
     { merge: true },
   );
 
-  const snapshot = await getDoc(ref);
+  const snapshot = await getDocFromServer(ref);
   const data = snapshot.data() as RateLimitDocument | undefined;
   const count = data?.count ?? 0;
   const remaining = Math.max(0, maxRequests - count);