根据提供的code differences信息，由于没有具体的代码变更内容，我将生成一个通用的commit message模板：

```
docs(readme): 更新文档说明

- 添加项目使用指南
- 完善API接口说明
- 修正错误的配置示例
```

Assets/Script/技能脚本/ArcherHunterSkill.cs

@@ -0,0 +1,52 @@
+using UnityEngine;
+
+public class ArcherHunterSkill : UnitSkill
+{
+    [Min(0f)]
+    public float splitShotRadius = 3f;
+
+    public override void ReleaseSkill()
+    {
+        GameObject mainTarget = unit.Target;
+        if (mainTarget == null)
+        {
+            return;
+        }
+
+        GameObject nearbyOpponent = FindNearbyOpponent(mainTarget);
+        unit.FireSkillProjectile(nearbyOpponent != null ? nearbyOpponent : mainTarget);
+    }
+
+    private GameObject FindNearbyOpponent(GameObject mainTarget)
+    {
+        UnitTeam myTeam = unit.GetComponent<UnitTeam>();
+        if (myTeam == null)
+        {
+            return null;
+        }
+
+        GameObject nearbyOpponent = null;
+        float nearestSqrDistance = splitShotRadius * splitShotRadius;
+        foreach (UnitTeam opponentTeam in GameObject.FindObjectsOfType<UnitTeam>())
+        {
+            GameObject opponent = opponentTeam.gameObject;
+            if (opponent == null
+                || opponent == mainTarget
+                || opponent == unit.gameObject
+                || opponent.transform.root == unit.transform.root
+                || !myTeam.IsEnemy(opponent))
+            {
+                continue;
+            }
+
+            float sqrDistance = (opponent.transform.position - mainTarget.transform.position).sqrMagnitude;
+            if (sqrDistance <= nearestSqrDistance)
+            {
+                nearestSqrDistance = sqrDistance;
+                nearbyOpponent = opponent;
+            }
+        }
+
+        return nearbyOpponent;
+    }
+}

Assets/Script/技能脚本/ArcherHunterSkill.cs.meta

@@ -0,0 +1,11 @@
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Assets/Script/技能脚本/ArcherSkill.cs

@@ -0,0 +1,49 @@
+using System.Collections;
+using UnityEngine;
+
+public class ArcherSkill : UnitSkill
+{
+    [Min(1)]
+    public int volleyArrowCount = 3;
+
+    [Min(0f)]
+    public float volleyArrowDamageMultiplier = 0.7f;
+
+    [Min(0f)]
+    public float volleyArrowInterval = 0.15f;
+
+    private Coroutine volleyCoroutine;
+
+    public override void ReleaseSkill()
+    {
+        if (volleyCoroutine != null)
+        {
+            StopCoroutine(volleyCoroutine);
+        }
+
+        volleyCoroutine = StartCoroutine(FireVolley());
+    }
+
+    private IEnumerator FireVolley()
+    {
+        for (int i = 0; i < volleyArrowCount; i++)
+        {
+            // 三连射优先攻击当前目标；目标阵亡后剩余箭矢改打最近敌人。
+            GameObject volleyTarget = unit.Target != null ? unit.Target : FindNearestOpponent();
+            if (volleyTarget == null)
+            {
+                break;
+            }
+
+            unit.FireSkillProjectile(volleyTarget, volleyArrowDamageMultiplier);
+            yield return new WaitForSeconds(volleyArrowInterval);
+        }
+
+        volleyCoroutine = null;
+    }
+
+    private GameObject FindNearestOpponent()
+    {
+        return unit.FindNearestEnemyForSkill();
+    }
+}

Assets/Script/技能脚本/ArcherSkill.cs.meta

@@ -0,0 +1,11 @@
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Assets/Script/技能脚本/BlueMonsterSkill.cs

@@ -0,0 +1,20 @@
+using UnityEngine;
+
+public class BlueMonsterSkill : UnitSkill
+{
+    [Min(0f)]
+    public float attackSpeedIncrease = 0.2f;
+
+    [Min(1f)]
+    public float attackSpeedLimit = 2f;
+
+    public override void ReleaseSkill()
+    {
+        unit.PlaySkillAnimation(OnRoarFinished);
+    }
+
+    private void OnRoarFinished()
+    {
+        unit.MultiplyAttackSpeed(1f + attackSpeedIncrease, attackSpeedLimit);
+    }
+}

Assets/Script/技能脚本/BlueMonsterSkill.cs.meta

@@ -0,0 +1,11 @@
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Assets/Script/技能脚本/CastleMageSkill.cs

@@ -0,0 +1,50 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+public class CastleMageSkill : UnitSkill
+{
+    [Header("小型魔爆参数")]
+    [Min(0.1f)]
+    public float explosionRadius = 1.8f;
+
+    [Min(0f)]
+    public float explosionDamage = 85f;
+
+    public override void ReleaseSkill()
+    {
+        GameObject target = unit.Target;
+        UnitTeam myTeam = unit.GetComponent<UnitTeam>();
+        if (target == null || myTeam == null)
+        {
+            return;
+        }
+
+        Vector3 center = target.transform.position;
+        float radiusSquared = explosionRadius * explosionRadius;
+        HashSet<UnitBase> hitUnits = new HashSet<UnitBase>();
+
+        foreach (UnitTeam opponentTeam in GameObject.FindObjectsOfType<UnitTeam>())
+        {
+            GameObject opponent = opponentTeam.gameObject;
+            if (opponent == null
+                || opponent.transform.root == unit.transform.root
+                || !myTeam.IsEnemy(opponent))
+            {
+                continue;
+            }
+
+            Vector3 offset = opponent.transform.position - center;
+            offset.y = 0f;
+            if (offset.sqrMagnitude > radiusSquared)
+            {
+                continue;
+            }
+
+            UnitBase targetUnit = opponent.GetComponentInParent<UnitBase>();
+            if (targetUnit != null && hitUnits.Add(targetUnit))
+            {
+                targetUnit.ReceiveDamage(explosionDamage, unit.gameObject);
+            }
+        }
+    }
+}

Assets/Script/技能脚本/CastleMageSkill.cs.meta

@@ -0,0 +1,11 @@
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Assets/Script/技能脚本/EliteSoldierSkill.cs

@@ -0,0 +1,46 @@
+using UnityEngine;
+
+public class EliteSoldierSkill : UnitSkill
+{
+    [Header("蓄力重斩参数")]
+    [Min(0f)]
+    public float skillDamage = 125f;
+
+    [Min(0.1f)]
+    public float skillRadius = 2.5f;
+
+    [Header("技能动画")]
+    [Min(0f)]
+    public float skillAnimationDuration = 2.22f;
+
+    private bool isSkillReady;
+
+    public override void ReleaseSkill()
+    {
+        if (unit == null)
+        {
+            return;
+        }
+
+        unit.FaceCurrentTarget(0f);
+        isSkillReady = true;
+        unit.PlaySkillAnimation(OnSkillFinished, skillAnimationDuration);
+    }
+
+    // 添加到蓄力重斩动画的命中帧。
+    public void OnSkillHit1()
+    {
+        if (!isSkillReady)
+        {
+            return;
+        }
+
+        unit.ApplyAreaSkillDamage(skillRadius, skillDamage, false);
+        isSkillReady = false;
+    }
+
+    private void OnSkillFinished()
+    {
+        isSkillReady = false;
+    }
+}

Assets/Script/技能脚本/EliteSoldierSkill.cs.meta

@@ -0,0 +1,11 @@
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Assets/Script/技能脚本/HumanSoldierSkill.cs

@@ -0,0 +1,47 @@
+using UnityEngine;
+
+public class HumanSoldierSkill : UnitSkill
+{
+    [Min(0f)]
+    public float bonusAttackMultiplier = 0.5f;
+
+    [Header("技能动画")]
+    [Min(0f)]
+    public float skillAnimationDuration = 0f;
+
+    private bool isSkillReady;
+
+    public override void ReleaseSkill()
+    {
+        isSkillReady = true;
+        unit.PlaySkillAnimation(OnSkillFinished, skillAnimationDuration);
+    }
+
+    // 添加到技能攻击动画的第一段命中帧。
+    public void OnSkillHit1()
+    {
+        if (!isSkillReady)
+        {
+            return;
+        }
+
+        unit.ApplySkillHit(1f, true);
+    }
+
+    // 添加到技能攻击动画的第二段命中帧。
+    public void OnSkillHit2()
+    {
+        if (!isSkillReady)
+        {
+            return;
+        }
+
+        unit.ApplySkillHit(bonusAttackMultiplier, false);
+        isSkillReady = false;
+    }
+
+    private void OnSkillFinished()
+    {
+        isSkillReady = false;
+    }
+}

Assets/Script/技能脚本/HumanSoldierSkill.cs.meta

@@ -0,0 +1,11 @@
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Assets/Script/技能脚本/PlayerSkillSystem.cs

@@ -0,0 +1,160 @@
+using UnityEngine;
+using UnityEngine.UI;
+
+/// <summary>
+/// 玩家技能系统（召唤师技能）
+/// 管理技能释放和冷却
+/// </summary>
+public class PlayerSkillSystem : MonoBehaviour
+{
+    [Header("技能1：群体治疗")]
+    public Button skill1Button;
+    public Text skill1CooldownText;
+    public float skill1Cooldown = 20f;
+    public float skill1HealAmount = 100f;
+    private float skill1RemainingCooldown = 0f;
+
+    [Header("技能2：全屏AOE")]
+    public Button skill2Button;
+    public Text skill2CooldownText;
+    public float skill2Cooldown = 20f;
+    public float skill2Damage = 80f;
+    private float skill2RemainingCooldown = 0f;
+
+    private void Start()
+    {
+        // 绑定按钮点击事件
+        if (skill1Button != null)
+        {
+            skill1Button.onClick.AddListener(UseSkill1);
+        }
+
+        if (skill2Button != null)
+        {
+            skill2Button.onClick.AddListener(UseSkill2);
+        }
+    }
+
+    private void Update()
+    {
+        // 更新技能1冷却
+        if (skill1RemainingCooldown > 0)
+        {
+            skill1RemainingCooldown -= Time.deltaTime;
+            if (skill1Button != null)
+            {
+                skill1Button.interactable = false;
+            }
+            if (skill1CooldownText != null)
+            {
+                skill1CooldownText.text = Mathf.CeilToInt(skill1RemainingCooldown).ToString();
+                skill1CooldownText.gameObject.SetActive(true);
+            }
+        }
+        else
+        {
+            if (skill1Button != null)
+            {
+                skill1Button.interactable = true;
+            }
+            if (skill1CooldownText != null)
+            {
+                skill1CooldownText.gameObject.SetActive(false);
+            }
+        }
+
+        // 更新技能2冷却
+        if (skill2RemainingCooldown > 0)
+        {
+            skill2RemainingCooldown -= Time.deltaTime;
+            if (skill2Button != null)
+            {
+                skill2Button.interactable = false;
+            }
+            if (skill2CooldownText != null)
+            {
+                skill2CooldownText.text = Mathf.CeilToInt(skill2RemainingCooldown).ToString();
+                skill2CooldownText.gameObject.SetActive(true);
+            }
+        }
+        else
+        {
+            if (skill2Button != null)
+            {
+                skill2Button.interactable = true;
+            }
+            if (skill2CooldownText != null)
+            {
+                skill2CooldownText.gameObject.SetActive(false);
+            }
+        }
+    }
+
+    /// <summary>
+    /// 使用技能1：群体治疗
+    /// </summary>
+    public void UseSkill1()
+    {
+        if (skill1RemainingCooldown > 0)
+        {
+            return;
+        }
+
+        Debug.Log($"释放技能1：群体治疗（恢复 {skill1HealAmount} 生命）");
+
+        // 对所有友方单位施加治疗
+        BuffSystem.Instance.ApplyGroupHeal(skill1HealAmount);
+
+        // 开始冷却
+        skill1RemainingCooldown = skill1Cooldown;
+
+        // TODO: 播放技能特效
+    }
+
+    /// <summary>
+    /// 使用技能2：全屏AOE伤害
+    /// </summary>
+    public void UseSkill2()
+    {
+        if (skill2RemainingCooldown > 0)
+        {
+            return;
+        }
+
+        Debug.Log($"释放技能2：全屏AOE（造成 {skill2Damage} 伤害）");
+
+        // 对所有敌方单位造成伤害
+        var enemies = FindObjectsOfType<UnitBase>();
+        int hitCount = 0;
+
+        foreach (var unit in enemies)
+        {
+            var team = unit.GetComponent<UnitTeam>();
+            if (team != null && team.teamId == 1) // 敌方
+            {
+                var healthBar = unit.GetComponent<WorldHealthBar>();
+                if (healthBar != null && !healthBar.IsDead)
+                {
+                    healthBar.TakeDamage(skill2Damage);
+                    hitCount++;
+                }
+            }
+        }
+
+        Debug.Log($"全屏AOE命中 {hitCount} 个敌人");
+
+        // 开始冷却
+        skill2RemainingCooldown = skill2Cooldown;
+
+        // TODO: 播放技能特效
+    }
+
+    /// <summary>
+    /// 重置所有技能冷却（测试用）
+    /// </summary>
+    public void ResetAllCooldowns()
+    {
+        skill1RemainingCooldown = 0f;
+        skill2RemainingCooldown = 0f;
+    }
+}

Assets/Script/技能脚本/PlayerSkillSystem.cs.meta

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Assets/Script/技能脚本/ShieldGuardSkill.cs

@@ -0,0 +1,62 @@
+using UnityEngine;
+
+public class ShieldGuardSkill : UnitSkill
+{
+    [Header("盾牌参数")]
+    [Min(1f)]
+    public float shieldDurability = 220f;
+
+    [Min(0.1f)]
+    public float shieldDuration = 4f;
+
+    [Range(0f, 1f)]
+    public float damageReduction = 0.35f;
+
+    public Vector3 shieldLocalPosition = new Vector3(0f, 1f, 0.7f);
+
+    public Vector3 shieldSize = new Vector3(1.5f, 1.8f, 0.12f);
+
+    private ShieldBarrier shield;
+
+    public ShieldBarrier ActiveShield => shield;
+
+    public override void ReleaseSkill()
+    {
+        EnsureShield();
+        shield.Refresh(shieldDurability, shieldDuration, shieldLocalPosition, shieldSize);
+    }
+
+    public override float ModifyIncomingDamage(float damage, GameObject attacker)
+    {
+        if (shield == null || !shield.IsActive)
+        {
+            return damage;
+        }
+
+        if (shield.TryBlock(attacker, damage))
+        {
+            return damage * (1f - damageReduction);
+        }
+
+        return damage;
+    }
+
+    private void EnsureShield()
+    {
+        if (shield != null)
+        {
+            return;
+        }
+
+        GameObject shieldObject = new GameObject("ShieldBarrier");
+        shieldObject.transform.SetParent(unit.transform, false);
+
+        BoxCollider boxCollider = shieldObject.AddComponent<BoxCollider>();
+        boxCollider.isTrigger = true;
+        boxCollider.size = shieldSize;
+
+        shield = shieldObject.AddComponent<ShieldBarrier>();
+        shield.Configure(unit, boxCollider);
+        shieldObject.SetActive(false);
+    }
+}

Assets/Script/技能脚本/ShieldGuardSkill.cs.meta

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Assets/Script/技能脚本/StoneGolemSkill.cs

@@ -0,0 +1,69 @@
+using UnityEngine;
+
+public class StoneGolemSkill : UnitSkill
+{
+    [Header("地裂参数")]
+    [Min(0f)]
+    public float skillDamage = 110f;
+
+    [Min(0.1f)]
+    public float skillRadius = 2f;
+
+    [Min(0f)]
+    public float stunDuration = 1f;
+
+    [Header("技能动画")]
+    [Min(0f)]
+    public float skillAnimationDuration = 0f;
+
+    [Header("特效")]
+    public GameObject shockwaveEffectPrefab;
+
+    private bool isSkillReady;
+
+    public override void ReleaseSkill()
+    {
+        if (unit == null)
+        {
+            return;
+        }
+
+        unit.FaceCurrentTarget(0f);
+        isSkillReady = true;
+        unit.PlaySkillAnimation(OnSkillFinished, skillAnimationDuration);
+    }
+
+    // 添加到地裂技能动画的命中帧；在命中帧结算伤害和眩晕。
+    public void OnSkillHit1()
+    {
+        if (!isSkillReady)
+        {
+            return;
+        }
+
+        // 生成扩散光圈特效
+        if (shockwaveEffectPrefab != null)
+        {
+            Vector3 effectPosition = unit.transform.position;
+            var effectObj = Instantiate(shockwaveEffectPrefab, effectPosition, shockwaveEffectPrefab.transform.rotation);
+            
+            // 可选：动态配置特效参数（不配置则使用Prefab默认值）
+            var effect = effectObj.GetComponent<ShockwaveEffect>();
+            if (effect != null)
+            {
+                // 根据技能范围动态设置扩散半径
+                effect.overrideRadius = skillRadius;
+                // 可以设置颜色，例如：effect.overrideColor = new Color(1f, 0.8f, 0.2f, 1f);
+            }
+        }
+
+        unit.ApplyAreaSkillDamage(skillRadius, skillDamage, false);
+        unit.ApplyAreaStun(skillRadius, stunDuration);
+        isSkillReady = false;
+    }
+
+    private void OnSkillFinished()
+    {
+        isSkillReady = false;
+    }
+}

Assets/Script/技能脚本/StoneGolemSkill.cs.meta

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Assets/Script/技能脚本/UnitSkill.cs

@@ -0,0 +1,18 @@
+using UnityEngine;
+
+public abstract class UnitSkill : MonoBehaviour
+{
+    protected UnitBase unit;
+
+    protected virtual void Awake()
+    {
+        unit = GetComponent<UnitBase>();
+    }
+
+    public abstract void ReleaseSkill();
+
+    public virtual float ModifyIncomingDamage(float damage, GameObject attacker)
+    {
+        return damage;
+    }
+}

Assets/Script/技能脚本/UnitSkill.cs.meta

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Assets/Script/技能脚本/WerewolfSkill.cs

@@ -0,0 +1,41 @@
+using UnityEngine;
+
+public class WerewolfSkill : UnitSkill
+{
+    [Header("狼嚎效果")]
+    [Min(0f)]
+    public float attackSpeedIncrease = 0.2f;
+
+    [Min(0f)]
+    public float duration = 5f;
+
+    private bool buffActive;
+    private float buffEndTime;
+
+    public override void ReleaseSkill()
+    {
+        ApplyHowlBuff();
+    }
+
+    private void ApplyHowlBuff()
+    {
+        if (buffActive)
+        {
+            buffEndTime = Time.time + duration;
+            return;
+        }
+
+        buffActive = true;
+        buffEndTime = Time.time + duration;
+        unit.MultiplyAttackSpeed(1f + attackSpeedIncrease, 2f);
+    }
+
+    private void Update()
+    {
+        if (buffActive && Time.time >= buffEndTime)
+        {
+            buffActive = false;
+            unit.MultiplyAttackSpeed(1f / (1f + attackSpeedIncrease), 2f);
+        }
+    }
+}

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