refactor 1: 新增/重命名类定义

- 将资源服务类型从 CombatResourceManager 重命名为 CombatInRunResourceManager，并同步更新现有引用。
    - CombatScheduler.cs:28
    - CombatInRunResourceManager.cs:11
    - CombatFinishFormState.cs:22
- 新增掉落解析骨架：
    - EnemyDropResolveContext.cs:6
    - EnemyDropResolveResult.cs:3
    - EnemyDropResolver.cs:7
- 新增 phase end condition 骨架：
    - IPhaseEndCondition.cs:5
    - PhaseEndConditionContext.cs:5
    - PhaseEndConditionFactory.cs:5
    - 以及 4 个实现类：
        - NonePhaseEndCondition
        - TimeElapsedPhaseEndCondition
        - EnemiesClearedPhaseEndCondition
        - BossDeadPhaseEndCondition

Assets/GameMain/Scripts/CustomComponent/CombatNode/CombatStates/CombatFinishFormState.cs

@@ -19,7 +19,7 @@ namespace GeometryTD.CustomComponent
                 }
 
                 Scheduler.CommitSettlementInventory(Scheduler._settlementContext);
-                Scheduler._settlementContext.GainedGold = Mathf.Max(0, Scheduler._combatResourceManager.GainedGold);
+                Scheduler._settlementContext.GainedGold = Mathf.Max(0, Scheduler._combatInRunResourceManager.GainedGold);
                 Scheduler.OpenCombatFinishForm(Scheduler._settlementContext);
                 Scheduler.ChangeState(new CombatWaitingForReturnState(Scheduler));
             }