Clamp preset values to expression slider range [-3,3]

app.py

@@ -514,17 +514,18 @@ with gr.Blocks(title="GNM Head") as demo:
 
         # Expression slider slots (flat order): left eye 0-2, right eye 3-5,
         # mouth 6-12, tongue 13-16 (13=tongue_mean, 14-16=tongue_000..002),
-        # pupil dilation 17. Measured directions on this model:
+        # pupil dilation 17. Expression sliders are clamped to [-3, 3].
+        # Measured directions on this model:
         #   mouth slot 6 negative  -> jaw drops / mouth opens
         #   tongue slot 14 positive + tongue_mean slot 13 negative -> tongue out
         #   eye slot 0 (left) / slot 3 (right): positive -> eye wide, negative -> closed
         presets = [
             # 1) Open mouth with the tongue sticking out.
-            _preset(expression={6: -5.0, 13: -3.0, 14: 3.0}),
+            _preset(expression={6: -3.0, 13: -3.0, 14: 3.0}),
             # 2) Surprised: eyes wide open + mouth dropped open.
-            _preset(expression={0: 4.0, 3: 4.0, 6: -3.0}),
+            _preset(expression={0: 3.0, 3: 3.0, 6: -3.0}),
             # 3) Wink: left eye closed, right eye left neutral.
-            _preset(expression={0: -5.0}),
+            _preset(expression={0: -3.0}),
         ]
 
         gr.Examples(