WIP> untested, will auto joint rooms when inveted

.env.example

@@ -3,6 +3,3 @@ HOMESERVER_URL = "https://matrix.org"
 USER_ID = "@botbot_user:matrix.org"
 PASSWORD = "botbot_password"
 LOG_LEVEL=INFO
-
-# comma-separated list of rooms or aliases to join on startup
-BOT_ROOMS=!room1:matrix.org,!another-room:matrix.org,!someroomalias:matrix.org

main.py

@@ -2,7 +2,7 @@ import os
 import asyncio
 import logging
 from dotenv import load_dotenv
-from nio import AsyncClient, AsyncClientConfig, MatrixRoom, RoomMessageText
+from nio import AsyncClient, AsyncClientConfig, MatrixRoom, RoomMessageText, InviteMemberEvent
 from nio.responses import LoginResponse
 
 # --- Load environment variables ---
@@ -51,6 +51,15 @@ async def message_callback(room: MatrixRoom, event: RoomMessageText):
         )
         logger.info("Replied with greeting to %s", event.sender)
 
+async def invite_cb(room, event):
+    """
+    Called when the bot is invited to a room.
+    """
+    logger.debug("Invite callback triggered")
+    if event.state_key == USER_ID:
+        await client.join(room.room_id)
+        logger.info("Auto-joined invited room %s", room.room_id)    
+
 async def main():
     global client
     logger.debug(HOMESERVER_URL)
@@ -79,6 +88,7 @@ async def main():
 
     # Register callback and start syncing
     client.add_event_callback(message_callback, RoomMessageText)
+    client.add_event_callback(invite_cb, InviteMemberEvent)
     logger.info("Starting sync loop with timeout=30000ms")
     await client.sync_forever(timeout=30000)