Updated readme again

README.md

@@ -48,7 +48,7 @@ achievement:
      ╚═══════════════════════════════════════════════════════════════╝ -->
 [space]:  https://huggingface.co/spaces/build-small-hackathon/CodeFlow  "Hugging Face Space"
 [video]:  https://youtu.be/R5GbpN9FVxo  "Demo video"
-[social]: REPLACE_ME  "Social post"
+[social]: https://www.linkedin.com/feed/update/urn:li:share:7471327684539785217/  "Social post"
 [blog]:   https://huggingface.co/blog/build-small-hackathon/codeflow-field-notes  "Field notes / blog post"
 [traces]: https://huggingface.co/datasets/build-small-hackathon/codeflow-agent-traces  "Agent traces dataset"
 
@@ -130,9 +130,7 @@ These map to the Space tags above.
 
 ## 🎥 Demo
 
-[![Watch the demo](REPLACE_ME_thumbnail.png)][video]
-
-> ▶️ Click above, or use the [Demo Video][video] link at the top.
+▶️ **[Watch the demo video][video]** — a full walkthrough of CodeFlow in action.
 
 ## 💻 Run It Locally