Sync submission package from GitHub

.gitattributes

@@ -1,3 +1,2 @@
 # Auto detect text files and perform LF normalization
 * text=auto
-assets/trace-field-notes-demo.mp4 filter=lfs diff=lfs merge=lfs -text

README.md

@@ -171,4 +171,3 @@ Codex assisted with repository inspection, implementation debugging, test
 verification, privacy/README hardening, Hugging Face deployment preparation,
 demo-video scripting, voiceover generation, video composition, frame/ASR
 verification, and hackathon submission packaging.
-