Did some modifications...

app/app.py

@@ -144,6 +144,41 @@ async def check_winner_numbers(context: ContextTypes.DEFAULT_TYPE):
                 logger.info(f"Winner number for {raffle['name']} is {winner_num}")
                 await end_raffle_logic(context, raffle['id'], [int(winner_num)%100], ADMIN_IDS[0])
 
+async def announce_reminder_active_raffles(context: ContextTypes.DEFAULT_TYPE):
+    """Job callback to announce active raffles in announce channels."""
+    # context is automatically provided by PTB's Job Queue
+    # No need to get app from context explicitly here for bot access,
+    # context.bot can be used directly.
+    logger.info(f"Running announce_reminder_active_raffles")
+
+    raffles = get_active_raffles()
+
+    if not raffles:
+        logger.info("No active raffles to announce.")
+        return
+
+    message_lines = ["🎉 <b>Sorteos Activos</b> 🎉\n"]
+    for raffle in raffles:
+        remaining = get_remaining_numbers_amount(raffle['id'])
+        message_lines.append(
+            f"• <b>{raffle['name']}</b>\n"
+            f"  Donación mínima: {raffle['price']}€\n"
+            f"  Participaciones restantes: {remaining}\n"
+            f"  https://t.me/{REVERSE_CHANNELS.get(raffle['channel_id'])}/{get_main_message_id(raffle['id'])}\n"
+        )
+    message_text = "\n".join(message_lines)
+
+    for alias, channel_id in ANNOUNCE_CHANNELS.items():
+        try:
+            await context.bot.send_message(chat_id=channel_id, text=message_text, parse_mode=ParseMode.HTML)
+            logger.info(f"Announced active raffles in channel {alias} ({channel_id}).")
+        except Forbidden:
+            logger.warning(f"Cannot send announcement to channel {alias} ({channel_id}) (Forbidden).")
+        except BadRequest as e:
+            logger.error(f"BadRequest sending announcement to channel {alias} ({channel_id}): {e}")
+        except Exception as e:
+            logger.error(f"Failed to send announcement to channel {alias} ({channel_id}): {e}")
+
 # --- Main Function ---
 def main():
     init_db()
@@ -171,6 +206,13 @@ def main():
     )
     logger.info("Scheduled winner check job every day at 21:45 Madrid time.")
 
+    job_queue.run_daily(
+        callback=announce_reminder_active_raffles,
+        time=dtime(hour=13, minute=0, tzinfo=madrid_tz),
+        name="announce_active_raffles_job"
+    )
+    logger.info("Scheduled announce active raffles job every day at 13:00 Madrid time.")
+
     # --- Handlers (Remain the same) ---
     # 1. Raffle Creation Conversation Handler
     raffle_creation_conv = ConversationHandler(