Update bot/client.py

bot/client.py

@@ -14,25 +14,27 @@ def create_clients() -> tuple[Client, Client | None]:
         max_concurrent_transmissions=10,
     )
 
-    if Telegram.BOT_TOKEN:
-        logger.info("✅ Using BOT_TOKEN auth")
+    # ✅ Prefer BOT session string (SESSION_STRING) to avoid DC2 auth-key creation on HF
+    if Telegram.SESSION_STRING:
+        logger.info("✅ Bot client using SESSION_STRING (pre-generated)")
+        bot = Client("bot_session", session_string=Telegram.SESSION_STRING, **base_args)
+    elif Telegram.BOT_TOKEN:
+        logger.warning("⚠️ Bot client using BOT_TOKEN (may create auth-key on a DC). Prefer SESSION_STRING.")
         bot = Client("bot_session", bot_token=Telegram.BOT_TOKEN, **base_args)
-    elif Telegram.SESSION_STRING:
-        logger.warning("⚠️ BOT_TOKEN missing; running legacy SESSION_STRING mode (not a bot).")
-        bot = Client("user_session", session_string=Telegram.SESSION_STRING, **base_args)
     else:
-        raise RuntimeError("Missing BOT_TOKEN (preferred) and SESSION_STRING is empty.")
+        raise RuntimeError("Missing SESSION_STRING and BOT_TOKEN.")
 
+    # ✅ Worker user client ALWAYS uses USER_SESSION_STRING (phone account)
     user = None
-    if Telegram.BOT_TOKEN and Telegram.USER_SESSION_STRING:
-        logger.info("✅ Worker (Downloader) Client Configured")
+    if Telegram.USER_SESSION_STRING:
+        logger.info("✅ Worker (Downloader) client using USER_SESSION_STRING")
         user = Client(
             "downloader_session",
             session_string=Telegram.USER_SESSION_STRING,
             no_updates=True,
             **base_args,
         )
-    elif Telegram.BOT_TOKEN:
-        logger.warning("⚠️ No USER_SESSION_STRING. Link-archive disabled.")
+    else:
+        logger.warning("⚠️ No USER_SESSION_STRING. Restricted link download disabled.")
 
     return bot, user