fix(arm_control): change reset height to -285mm

Reset Z coordinate changed from -120 to -285 in both YAML config and Python code default.

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

ros2/src/udp_teleop/config/arm_control.yaml

@@ -38,7 +38,7 @@ arm_control:
     auto_reset_on_startup: true  # 启动时是否自动复位
     reset_x: 200.0               # 复位位置 X (mm)
     reset_y: 0.0                 # 复位位置 Y (mm)
-    reset_z: -120.0                # 复位位置 Z (mm)
+    reset_z: -285.0                # 复位位置 Z (mm)
     reset_phi: 0.0               # 复位朝向 (度)
     reset_duration: 3.0          # 复位运动时长 (秒)
 

ros2/src/udp_teleop/udp_teleop/arm_control.py

@@ -396,7 +396,7 @@ class ArmControlNode(Node):
                 ('auto_reset_on_startup', True),
                 ('reset_x', 200.0),
                 ('reset_y', 0.0),
-                ('reset_z', 10.0),
+                ('reset_z', -285.0),
                 ('reset_phi', 0.0),
                 ('reset_duration', 3.0),
             ]