test: 修复 MunitionEntity/MultiLane 测试 + Jet/Piston 打印到桌面

- 删除 GroundBased_ArrivesAtTargetPosition(旧下行逻辑)
- 新增 ArrivesNearTarget_WithInterpolation(真实场景0.4s步长)
- MultiLane 改断言为 ≥27发+多个Z值
- Jet/Piston 测试结果写入桌面txt

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

@@ -137,7 +137,12 @@ namespace CounterDrone.Core.Tests
                 _output.WriteLine($"  FireTime={e.FireTime:F2}s Y={e.TargetY:F0} PlatIdx={e.PlatformIndex}");
 
             var dump = string.Join("\n", events.Select(e => $"  FireTime={e.FireTime:F2}s Y={e.TargetY:F0} PlatIdx={e.PlatformIndex}"));
-            Assert.True(false, $"=== 3无人机 3车道 Planner输出 ===\n总弹药: {events.Count}发, 跨度: {last-first:F2}s\n{dump}");
+            // 3 车道各需 9 发 × 3 = 27 发
+            Assert.True(events.Count >= 27, $"应≥27发, 实际{events.Count}\n{dump}");
+            Assert.True(last - first > 0, $"跨度>0\n{dump}");
+            // 验证每个车道有独立的 TargetZ
+            var zs = events.Select(e => e.TargetZ).Distinct().ToList();
+            Assert.True(zs.Count >= 2, $"应有至少2个不同Z值(distinct lanes)\n{dump}");
         }
 
         [Fact]

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

@@ -263,6 +263,7 @@ namespace CounterDrone.Core.Tests
             var clouds = eng.Events.Count(e => e.Type == SimEventType.CloudGenerated);
 
             var msg = $"Jet: launched={launched} clouds={clouds} status={drone.Status} hp={drone.Hp:F2}";
+            System.IO.File.WriteAllText(@"C:\Users\Tellme\Desktop\test_jet.txt", msg);
             VerifyAndExportReport(eng, drone);
             Assert.True(launched > 0, msg);
             Assert.Equal(DroneStatus.Destroyed, drone.Status);

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

@@ -21,29 +21,24 @@ namespace CounterDrone.Core.Tests
         }
 
         [Fact]
-        public void GroundBased_ArrivesAtTargetPosition()
+        public void GroundBased_ArrivesNearTarget_WithInterpolation()
         {
-            // 验证炮弹到达时，水平位置接近目标
-            var m = new MunitionEntity("m1", PlatformType.GroundBased,
+            // 大 tick 步长也应到达目标附近
+            var m = new MunitionEntity("m2", PlatformType.GroundBased,
                 AerosolType.InertGas,
-                startX: 0, startY: 0, startZ: 0,
-                targetX: 5000, targetY: 300, targetZ: 0,
-                muzzleVelocity: 500f, releaseAltitude: 300f, launchTime: 0f);
+                startX: 5000, startY: 0, startZ: 50,
+                targetX: 10000, targetY: 500, targetZ: 0,
+                muzzleVelocity: 800f, releaseAltitude: 500f, launchTime: 143.69f);
 
-            for (int i = 0; i < 500; i++)
+            float time = Kinematics.ParabolicShellTime(5000.25f, 500f, 800f);
+            for (float t = 0; t < time + 1f; t += 0.4f)
             {
-                m.Update(0.05f);
+                m.Update(0.4f);
                 if (m.HasArrived) break;
             }
-
-            Assert.True(m.HasArrived, "炮弹应到达");
-            // 到达释放高度
-            Assert.True(System.Math.Abs(m.PosY - 300f) < 5f, $"PosY={m.PosY:F1} 应≈300");
-            // 水平位置接近目标
-            var dist = System.Math.Sqrt(
-                (m.PosX - m.TargetX) * (m.PosX - m.TargetX) +
-                (m.PosZ - m.TargetZ) * (m.PosZ - m.TargetZ));
-            Assert.True(dist < 1000f, $"到达点距目标 {dist:F0}m，应<1000m");
+            Assert.True(m.HasArrived, "应到达");
+            Assert.Equal(500f, m.PosY, 5f);
+            Assert.True(System.Math.Abs(m.PosX - 10000) < 200f, $"X={m.PosX:F1} 应≈10000");
         }
 
         [Fact]