The great storkit name conversion

server/src/matrix/bot.rs

@@ -735,7 +735,14 @@ async fn on_room_message(
     let room_id_str = incoming_room_id.to_string();
     let is_ambient = ctx.ambient_rooms.lock().unwrap().contains(&room_id_str);
 
-    if !is_addressed && !is_ambient {
+    // Always let "ambient on" through — it is the one command that must work
+    // even when the bot is not mentioned and ambient mode is off, otherwise
+    // there is no way to re-enable ambient mode without an @-mention.
+    let is_ambient_on = body
+        .to_ascii_lowercase()
+        .contains("ambient on");
+
+    if !is_addressed && !is_ambient && !is_ambient_on {
         slog!(
             "[matrix-bot] Ignoring unaddressed message from {}",
             ev.sender