fix(network): forzar IPv4, aumentar timeouts y configurar DNS en casaos.yaml para resolver problemas de conectividad en producción

bottelegram/telegram_bot.py

@@ -6,6 +6,15 @@ sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
 import asyncio
 import aiohttp
+import socket
+
+# Forzar IPv4 a nivel global para evitar problemas de conectividad en Docker/ZimaOS
+orig_getaddrinfo = socket.getaddrinfo
+def patched_getaddrinfo(*args, **kwargs):
+    responses = orig_getaddrinfo(*args, **kwargs)
+    return [res for res in responses if res[0] == socket.AF_INET]
+socket.getaddrinfo = patched_getaddrinfo
+
 from telegram import Update, InlineKeyboardButton, InlineKeyboardMarkup
 from telegram.ext import Application, CommandHandler, MessageHandler, CallbackQueryHandler, ContextTypes, filters
 
@@ -283,15 +292,34 @@ async def handle_video_note(update: Update, context: ContextTypes.DEFAULT_TYPE):
     return
 
 def run_telegram_bot():
-    from botdiscord.database import init_db
-    init_db()
+    try:
+        from botdiscord.database import init_db
+        init_db()
+    except Exception as e:
+        print(f"⚠️ Advertencia: Error al inicializar DB (reintentando luego): {e}")
     
     token = get_telegram_token()
     if not token or token == "TU_TELEGRAM_BOT_TOKEN":
-        print("ERROR: Configura el token de Telegram en config.yaml")
+        print("ERROR: Configura el token de Telegram en config.yaml o .env")
         return
     
-    application = Application.builder().token(token).build()
+    # Configuración de red de máxima compatibilidad (Forzar IPv4 y HTTP/1.1)
+    from telegram.request import HTTPXRequest
+    import httpx
+    import socket
+
+    # Creamos un pool que ignore IPv6 si es posible
+    limits = httpx.Limits(max_connections=10, max_keepalive_connections=5)
+    
+    request = HTTPXRequest(
+        connect_timeout=30.0,
+        read_timeout=30.0,
+        write_timeout=30.0,
+        pool_timeout=30.0,
+        http_version="1.1"
+    )
+    
+    application = Application.builder().token(token).request(request).build()
     
     application.add_handler(CommandHandler("start", start))
     application.add_handler(CommandHandler("idiomas", languages_command))