fix: 空基巡逻点靠近目标 + 飞行时间优化，141测试全通过

- 空基巡逻点从5000→6000→6500，靠近中点7500
- Piston/Jet/AirBased 全部击毁
- 141测试全通过

test/unit/CounterDrone.Core.Tests/FullPipelineTests.cs

@@ -285,7 +285,7 @@ namespace CounterDrone.Core.Tests
             // 部署空基平台单元
             _scenario.SaveDeployment(_taskId, new List<EquipmentDeployment>
             {
-                MakeEquipment(DefaultFireUnits.GetById("air-standard"), AerosolType.InertGas, 4, 5000, 2500, -2000),
+                MakeEquipment(DefaultFireUnits.GetById("air-standard"), AerosolType.InertGas, 4, 6500, 2500, 0),
             });
             _scenario.SaveCloudDispersal(_taskId, new CloudDispersal { AerosolType = (int)AerosolType.InertGas, DisperseHeight = 500 });