Add project acknowledgements

Co-authored-by: OpenAI Codex <codex@openai.com>

AGENTS.md

@@ -129,6 +129,8 @@ annotated technical cutaway animation.
 - Documented GitHub as the source of truth:
   `https://github.com/Bigstonks1/Snap2Sim`. Do not edit files directly on the
   Hugging Face Space; they will be overwritten by the sync workflow.
+- Added README acknowledgement: built by Jason Do with implementation
+  assistance from OpenAI Codex.
 - Updated `README.md` with local run instructions, runtime preflight, Modal
   deployment path, and the current runtime decision.
 

README.md

@@ -205,3 +205,7 @@ source of truth and will be overwritten by the next GitHub-to-Hugging Face sync.
 Configure runtime values such as `MODAL_ANALYZE_URL`, `MODAL_GENERATE_URL`, and
 `SNAP2SIM_API_TOKEN` through Hugging Face Space variables/secrets instead of
 committing them.
+
+## Acknowledgements
+
+Built by Jason Do with implementation assistance from OpenAI Codex.