cv: 'ft2a10' now tracks the shipped head (w .25, 1601.2); old form kept as ft2a10_w20

batteryswap_example/cv.py

@@ -320,7 +320,10 @@ CANDIDATES = {
     'ft2': dict(variant='vm7', blend=('wiener', 0.20)),
     # the alpha-1.0 A/B (head 401f171): ft2 with planner appetite 1.0.
     # Count-coupled vs ft2 (17W/24L on the increment) - public arbitrates.
-    'ft2a10': dict(variant='vm7', blend=('wiener', 0.20), p_star=1.0),
+    # ft2a10 = THE CURRENT MODEL (tracks the shipped head; w .25 since
+    # f8a734c). The original w .20 A/B form is kept as ft2a10_w20.
+    'ft2a10': dict(variant='vm7', blend=('wiener', 0.25), p_star=1.0),
+    'ft2a10_w20': dict(variant='vm7', blend=('wiener', 0.20), p_star=1.0),
     # the SHIPPED head (w .25 at alpha 1.0: -22.7 +/- 14.2 vs w .20, 1.6
     # sigma, count-flat - sub-bar but bounded-risk weight tweak)
     'head': dict(variant='vm7', blend=('wiener', 0.25), p_star=1.0),