Replace example presets: open-mouth+tongue, surprised, wink

app.py

@@ -512,13 +512,19 @@ with gr.Blocks(title="GNM Head") as demo:
                 row[_TR0 + i] = v
             return row
 
+        # 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:
+        #   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 = [
-            _preset(),  # neutral template face
-            _preset(identity={0: 2.5, 1: -2.0, 2: 1.5, 4: -1.5}),  # identity A
-            _preset(identity={0: -2.5, 3: 2.0, 5: -1.8, 6: 1.5}),  # identity B
-            # Pose: neck Y (index 1), head X (index 3), gaze X (index 6).
-            _preset(pose={1: 35, 3: -15, 6: 15}),                  # looking aside
-            _preset(pose={0: -25, 4: 20}),                         # looking down/up
+            # 1) Open mouth with the tongue sticking out.
+            _preset(expression={6: -5.0, 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}),
+            # 3) Wink: left eye closed, right eye left neutral.
+            _preset(expression={0: -5.0}),
         ]
 
         gr.Examples(