fix left_hand.xml thumb_cmc range for LEAP Hand

Author: jonzamora

leap_hand/CHANGELOG.md

@@ -2,6 +2,9 @@
 
 All notable changes to this model will be documented in this file.
 
+## [2025-09-04]
+- Fixed Left Leap Hand's Thumb CMC range
+
 ## [2025-02-06]
 - Updated appearance of both hand models.
 

leap_hand/left_hand.xml

@@ -128,7 +128,7 @@ Naming Conventions
       <position ctrlrange="-0.366 2.042" />
     </default>
     <default class="thumb_cmc">
-      <joint pos="0 0 0" axis="0 0 -1"
+      <joint pos="0 0 0" axis="0 0 1"
         limited="true" range="-0.349 2.094" />
       <position ctrlrange="-0.349 2.094" />
     </default>