docs(*): Add youtube link and gifs

README.md

@@ -16,7 +16,37 @@ See the [Official Rules](https://microsoft.github.io/AI_Agents_Hackathon/rules/)
 
 ## 📽️ Demonstration Video
 
-[Coming soon: View a full demonstration of the agent in action.]
+[Watch it on YouTube](https://www.youtube.com/watch?v=FAi9-s9WP84)
+
+---
+
+## ✨ Live Demos / Key Functionality
+
+Below are GIF demonstrations of the Automated Assessment Feedback Agent in action, showcasing core features and real-world scenarios:
+
+### 1. Human-in-the-Loop (HITL): Wrong Assignment Provided
+
+_The agent detects when a student submits the wrong assignment and facilitates teacher intervention._
+
+![HITL: Wrong Assignment](docs/images/hack1.gif)
+
+### 2. HITL: English as an Additional Language (EAL) Student
+
+_Demonstrates tailored feedback and HITL support for a student with EAL needs._
+
+![HITL: EAL Student](docs/images/hack2.gif)
+
+### 3. Assessing a Wordy Essay-Type Task
+
+_Shows the agent analyzing and providing feedback on a complex, open-ended essay response._
+
+![Essay Assessment](docs/images/hack3.gif)
+
+### 4. Assessing a Computer Science Coding Task
+
+_The agent evaluates a programming submission, running code tests and generating feedback._
+
+![Coding Task Assessment](docs/images/hack4.gif)
 
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