fix post id formatting

database.py

@@ -70,7 +70,7 @@ class NetworkDB:
             )
             await conn.close()
             if post is not None:
-                formatted_post = f"Post id: {id}\n{post}"
+                formatted_post = f"<|PostId_{id}|>\n{post}"
                 return formatted_post
             return "[Internal Message: No similar post found!]"
         except Exception as e: