Update codedex-update-q3-2025.mdx

Author: sonnynomnom

blogs/2025/codedex-update-q3-2025.mdx

@@ -53,6 +53,17 @@ You can now search across:
 
 ## 🪄 AI Revamp: Meet Lumi!
 
+![Lumi GIF](https://i.imgur.com/BUOGzzp.gif)
+
+Meeet Lumi, your new AI code companion! Lumi is now in all the courses besides the ones without an editor. 
+
+AI chat history is stored for 1 week. Currently, Clubbers have unlimited questions while free users have 5 questions a day.
+
+Here are three prompts we set up for you so it's one-click away:
+
+- ✨ Tell me more about this concept
+- ✨ Provide step-by-step instructions
+- ✨ Get feedback on your code
 
 **Note:** You unlock Lumi at 500 XP.