update meta proxy link

server/meta.py

@@ -88,7 +88,7 @@ def generate_facebook_post(topic: str = "", url: str = "", min_len: int = 500, m
     return shortened[:max_len]
 
 def post_to_facebook(message: str) -> str:
-    proxy_url = "https://facebook-proxy-service.onrender.com/post-to-facebook"  # your actual deployed Render URL
+    proxy_url = "https://facebook-proxy.onrender.com/post-to-facebook"  # your actual deployed Render URL
 
     try:
         res = requests.post(proxy_url, json={"message": message}, timeout=10)