story-kit: merge 285_story_matrix_bot_help_command_lists_available_bot_commands

server/src/matrix/bot.rs

@@ -831,6 +831,23 @@ async fn on_room_message(
     let user_message = body;
     slog!("[matrix-bot] Message from {sender}: {user_message}");
 
+    // Check for bot-level commands (e.g. "help") before invoking the LLM.
+    if let Some(response) = super::commands::try_handle_command(
+        &ctx.bot_name,
+        ctx.bot_user_id.as_str(),
+        &user_message,
+    ) {
+        slog!("[matrix-bot] Handled bot command from {sender}");
+        let html = markdown_to_html(&response);
+        if let Ok(resp) = room
+            .send(RoomMessageEventContent::text_html(response, html))
+            .await
+        {
+            ctx.bot_sent_event_ids.lock().await.insert(resp.event_id);
+        }
+        return;
+    }
+
     // Spawn a separate task so the Matrix sync loop is not blocked while we
     // wait for the LLM response (which can take several seconds).
     tokio::spawn(async move {