```

feat(game): 补齐角色预制体的characterDataName字段并优化英雄归位逻辑

- 为第一章和第二章共12个角色预制体补全characterDataName字段，
  包括人类士兵、弓箭手、法师、盾卫、精锐士兵、弓箭猎人、
  狼人、石巨人、蓝色怪物等角色

- 新增useAnchorLeash字段控制英雄锚点牵绳行为，避免英雄
  追击敌人时被推到地图边界外

- 修复UnitBase中stoppingDistance导致的导航问题，英雄归位
  现在采用正常行走而非瞬移方式

- 修正

Assets/Prefabs/第一章/人类士兵.prefab

@@ -399,7 +399,7 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: da330bbd52e2a424dbe6231c018a3c60, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  characterDataName: 
+  characterDataName: "\u4EBA\u7C7B\u58EB\u5175Data"
   level: 1
   speed: 5
   detectionRange: 15

Assets/Prefabs/第一章/小怪/城堡金盾卫.prefab

@@ -452,6 +452,7 @@ MonoBehaviour:
   summonerMode: 0
   returnToAnchorWhenIdle: 0
   anchorArrivalDistance: 0.35
+  useAnchorLeash: 0
   target: {fileID: 0}
 --- !u!4 &6905509304330285822 stripped
 Transform:

Assets/Prefabs/第一章/弓箭手.prefab

@@ -360,7 +360,7 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: da330bbd52e2a424dbe6231c018a3c60, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  characterDataName: 
+  characterDataName: "\u5F13\u7BAD\u624BData"
   level: 1
   speed: 5
   detectionRange: 20

Assets/Prefabs/第一章/法师.prefab

@@ -415,7 +415,7 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: da330bbd52e2a424dbe6231c018a3c60, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  characterDataName: 
+  characterDataName: "\u6CD5\u5E08Data"
   level: 1
   speed: 5
   detectionRange: 20

Assets/Prefabs/第一章/盾卫.prefab

@@ -357,12 +357,12 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: da330bbd52e2a424dbe6231c018a3c60, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  characterDataName: 
+  characterDataName: "\u76FE\u536BData"
   level: 1
   speed: 5
   detectionRange: 15
-  attackRange: 1.5
-  modelFacingOffset: 90
+  attackRange: 2
+  modelFacingOffset: 45
   attackPower: 10
   attackDuration: 0
   attackType: 0

Assets/Prefabs/第一章/精锐士兵.prefab

@@ -343,7 +343,7 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: da330bbd52e2a424dbe6231c018a3c60, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  characterDataName: 
+  characterDataName: "\u7CBE\u9510\u58EB\u5175Data"
   level: 1
   speed: 5
   detectionRange: 15