Add demo video and sponsor publication links

.gitattributes

@@ -0,0 +1 @@
+*.mp4 filter=lfs diff=lfs merge=lfs -text

README.md

@@ -42,8 +42,8 @@ Built for the **Build Small Hackathon 2026 · Adventure in Thousand Token Wood**
 |---|---|---|
 | **Stay under 32B** | ✅ | MiniCPM5-1B (1B) + VoxCPM2 (2B) + FLUX.2-klein-4B (4B) = **7B total** |
 | **Ship a Gradio app** | ✅ | Gradio 6 Space in the Build Small org |
-| **Record a demo** | ✅ | [Supademo walkthrough](https://app.supademo.com/demo/cmqfkwlro4f4wqmgj218kxnqp?utm_source=link) |
-| **Post on social media** | 🐦 | *(link to be added)* |
+| **Record a demo** | ✅ | [MP4 demo](docs/demo-doodlebook.mp4) + [Supademo walkthrough](https://app.supademo.com/demo/cmqfkwlro4f4wqmgj218kxnqp?utm_source=link) |
+| **Post on social media** | ✅ | [X/Twitter post](https://x.com/sushruthsgowda/status/2066639063168225452?s=46) |
 | **GPU limit (≤10 ZeroGPU)** | ✅ | 1 ZeroGPU Space |
 
 ---
@@ -53,7 +53,8 @@ Built for the **Build Small Hackathon 2026 · Adventure in Thousand Token Wood**
 | | |
 |---|---|
 | 🚀 **Live Space** | [huggingface.co/spaces/build-small-hackathon/DoodleBook](https://huggingface.co/spaces/build-small-hackathon/DoodleBook) |
-| ▶️ **Demo video** | [Supademo walkthrough](https://app.supademo.com/demo/cmqfkwlro4f4wqmgj218kxnqp?utm_source=link) |
+| ▶️ **Demo video** | [MP4 demo](docs/demo-doodlebook.mp4) · [Supademo walkthrough](https://app.supademo.com/demo/cmqfkwlro4f4wqmgj218kxnqp?utm_source=link) |
+| 📣 **Social post** | [X/Twitter announcement](https://x.com/sushruthsgowda/status/2066639063168225452?s=46) |
 | 📝 **Project article** (complete technical paper) | [docs/article.md](docs/article.md) |
 | 🔬 **Field Notes** (technical deep-dive) | [docs/blog.md](docs/blog.md) |
 | 💻 **Source code** | [github.com/Sushruths04/Doodle-book](https://github.com/Sushruths04/Doodle-book) |
@@ -170,6 +171,16 @@ Open **"Behind the magic → Trace"** on any generated book:
 
 ---
 
+## 🤖 Built with Codex
+
+Codex was used throughout the build as the engineering agent for implementation, debugging,
+prompt refinement, documentation, README updates, deployment commits, and Hugging Face Space
+publishing. The final repository history credits Codex-authored implementation commits where
+Codex performed the coding work, including the latest prompt, article, README, and deployment
+updates.
+
+---
+
 ## ▶️ Run locally
 
 ```bash
@@ -183,10 +194,19 @@ The example doodle (`assets/sample_doodle.jpg`) and the instant sample book are
 
 ## 🤝 Sponsor & tool stack
 
-- **OpenBMB** — MiniCPM5-1B (story) + VoxCPM2 (voice + cloning)
-- **Black Forest Labs** — FLUX.2-klein-4B (illustration + line art)
-- **Hugging Face Spaces / ZeroGPU** — hosting + GPU
-- **Gradio 6** — the product shell
+- **OpenBMB** — powers the 3B reasoning-and-voice core. `MiniCPM5-1B` writes the structured
+  story JSON, title, character description, page text, and visual scene plan. `VoxCPM2`
+  narrates the book, supports expressive narrator presets, and enables the My Voice option
+  through zero-shot voice cloning from an uploaded reference clip.
+- **Black Forest Labs** — powers all visual generation through `FLUX.2-klein-4B`. It creates
+  the canonical hero from the child's doodle, renders all six crayon-style story pages, and
+  redraws finished pages into clean coloring-book line art.
+- **Hugging Face Spaces / ZeroGPU** — hosts the public Gradio app and provides the GPU runtime
+  that makes the full pipeline publicly accessible without running private infrastructure.
+- **Gradio 6** — provides the app framework; DoodleBook customizes it into a scrapbook-style,
+  mobile-friendly product interface instead of a default demo layout.
+- **Codex** — used as the coding and documentation agent for repository changes, prompt
+  engineering, debugging, commit preparation, and deployment updates.
 
 ---
 

docs/article.md

@@ -4,7 +4,9 @@
 
 **Live demo:** [build-small-hackathon/DoodleBook](https://huggingface.co/spaces/build-small-hackathon/DoodleBook)
 
-**Demo video:** [Supademo walkthrough](https://app.supademo.com/demo/cmqfkwlro4f4wqmgj218kxnqp?utm_source=link)
+**Demo video:** [MP4 demo](demo-doodlebook.mp4) and [Supademo walkthrough](https://app.supademo.com/demo/cmqfkwlro4f4wqmgj218kxnqp?utm_source=link)
+
+**Social post:** [X/Twitter announcement](https://x.com/sushruthsgowda/status/2066639063168225452?s=46)
 
 **Source:** [github.com/Sushruths04/Doodle-book](https://github.com/Sushruths04/Doodle-book)
 
@@ -409,6 +411,18 @@ provides the zero-shot custom voice feature.
 FLUX.2-klein-4B creates the canonical hero, renders six story pages, and semantically redraws the
 optional coloring pages.
 
+### Hugging Face
+
+Hugging Face Spaces hosts the public demo, ZeroGPU supplies the GPU execution environment, and
+the Hub stores the code, article, demo assets, model metadata, and reproducible commit history.
+
+### Codex
+
+Codex was used as the coding and documentation agent across the project. It helped implement
+and debug the app, refine prompts, update the story/image/audio generation instructions, prepare
+the technical article, maintain the README, create deployment commits, and publish updates to
+the Hugging Face Space.
+
 ### Open Trace
 
 Generation settings, timings, model state, and fallback information are visible in the app.
@@ -455,7 +469,11 @@ The next technically justified improvements are:
 
 The published demo video is available here:
 
-**[Watch the DoodleBook interactive demo](https://app.supademo.com/demo/cmqfkwlro4f4wqmgj218kxnqp?utm_source=link)**
+**[Watch the MP4 demo](demo-doodlebook.mp4)**
+
+**[Open the Supademo walkthrough](https://app.supademo.com/demo/cmqfkwlro4f4wqmgj218kxnqp?utm_source=link)**
+
+**[View the X/Twitter post](https://x.com/sushruthsgowda/status/2066639063168225452?s=46)**
 
 It walks through the complete process:
 

docs/demo-doodlebook.mp4

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