add cross-video split row (95.6%; 100% real footage)

README.md

@@ -41,9 +41,15 @@ robot-training footage. 96px inputs, sized for microcontroller-class deployment.
 |---|---|---|
 | gemma3:27b | 27B | 97.8% |
 | **referee-hands-s** | **1.5M** | **97.8%** |
+| referee-hands-s, cross-video split | 1.5M | 95.6% |
 | qwen2.5vl:32b | 32B | 74.4% |
 | *constant-answer floor* | — | *68.9%* |
 
+The cross-video row keeps every training frame at least 60 seconds away from
+any test clip on its source stream. Under that separation the model scores
+100% on real footage (41/41); its two misses are synthetic drawn-hand control
+clips outside the training distribution.
+
 ## Intended use and scope
 
 Version 1 targets fixed-camera and wrist-camera **robot workspace footage** —