diff --git a/docs/apps.md b/docs/apps.md
index 1d952cfe..a1bfdc54 100644
--- a/docs/apps.md
+++ b/docs/apps.md
@@ -27,6 +27,10 @@ The chat interface provides:
 
 ![Chat TUI interface](img/tui-qa.svg)
 
+<div style="padding:56.25% 0 0 0;position:relative;"><iframe src="https://player.vimeo.com/video/1159658167?badge=0&amp;autopause=0&amp;player_id=0&amp;app_id=58479" frameborder="0" allow="autoplay; fullscreen; picture-in-picture; clipboard-write; encrypted-media" style="position:absolute;top:0;left:0;width:100%;height:100%;" title="haiku.rag Chat TUI demo"></iframe></div><script src="https://player.vimeo.com/api/player.js"></script>
+
+*Demo: Chatting with an agent over 1000 arXiv papers. Shows context building (3:00), citations with visual grounding (3:20), and document listing/retrieval.*
+
 ### Command Palette
 
 Press `Ctrl+P` to open the command palette: