Add launch demo video to README

Adds assets/figment-live-space-launch-final.mp4 and embeds it from README. Video SHA-256: 3da5744ef25798cc0d0c8f3b02735bdc0237cf5c7ae7ee7f3241864b7ef203e3

.gitattributes

@@ -41,3 +41,4 @@ docs/assets/mockups/figment-navigator-output-handoff-tab.png filter=lfs diff=lfs
 docs/assets/mockups/figment-protocol-guidance-tab.png filter=lfs diff=lfs merge=lfs -text
 docs/assets/mockups/figment-risk-check-tab.png filter=lfs diff=lfs merge=lfs -text
 docs/assets/mockups/figment-trace-tab.png filter=lfs diff=lfs merge=lfs -text
+assets/figment-live-space-launch-final.mp4 filter=lfs diff=lfs merge=lfs -text

README.md

@@ -21,6 +21,15 @@ Figment turns messy field intake into a card-cited protocol workflow: confirm th
 
 > **Safety boundary:** Figment is a prototype, not a medical device. It does not diagnose, prescribe, dose medication, autonomously triage, or replace a trained responder, supervisor, clinician, or local protocol.
 
+## Launch Demo Video
+
+<video controls width="100%">
+  <source src="https://huggingface.co/spaces/build-small-hackathon/figment/resolve/main/assets/figment-live-space-launch-final.mp4" type="video/mp4">
+  Watch the Figment launch demo: https://huggingface.co/spaces/build-small-hackathon/figment/resolve/main/assets/figment-live-space-launch-final.mp4
+</video>
+
+This 57-second demo shows the live public Space route: Parakeet ASR drafts provisional fields, a responder correction is confirmed before rules run, the tuned Figment 4B route runs through HF ZeroGPU, and the trace shows validation and no raw audio retained.
+
 ## Current Snapshot
 
 | Surface | Current evidence | What it means | Boundary |

assets/figment-live-space-launch-final.mp4

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3da5744ef25798cc0d0c8f3b02735bdc0237cf5c7ae7ee7f3241864b7ef203e3
+size 28834757