修复导出问题

scripts/verify-spine-json.mjs

@@ -79,6 +79,33 @@ const source = `
     console.error('骨骼池复用：死亡/复用边界应写阶跃关键帧，实际为 ' + JSON.stringify(poolStepped))
   }
 
+  // 子发射器的帧从父事件时刻才开始，不能按自身生命周期从 0f 截断。
+  const childFrames = Array.from({ length: 80 }, (_, frame) => (
+    frame >= 50 && frame < 65 ? [poolState(frame, 1, frame, 0)] : []
+  ))
+  const subEmitterSystem = {
+    id: 2, animation: 'animation', visible: true, frames: childFrames,
+    config: {
+      name: 'verify_child', mode: 'burst', lifeMode: 'fixed', lifeMin: 0.5, lifeMax: 0.5, delay: 0,
+      imageResources: [resource], trail: false, trailResources: [], eventEnabled: false, events: [],
+    },
+  }
+  const parentSystem = {
+    id: 1, animation: 'animation', visible: true, frames: Array.from({ length: 80 }, () => []),
+    config: {
+      name: 'verify_parent', mode: 'burst', lifeMode: 'fixed', lifeMin: 0.5, lifeMax: 0.5, delay: 0,
+      imageResources: [resource], trail: false, trailResources: [], eventEnabled: true,
+      events: [{ id: 1, event: 'death', targetSystemId: 2, probability: 1 }],
+    },
+  }
+  const subResult = buildSpineJson({ systems: [parentSystem, subEmitterSystem], timeline, settings: poolSettings })
+  const subBone = subResult.json.animations.animation.bones.verify_child_0
+  const subFirstFrame = subBone?.translate ? Math.round(subBone.translate[0].time * 30) : -1
+  if (subFirstFrame !== 50) {
+    failures++
+    console.error('子发射器：父事件之后的帧被按自身生命周期截断，实际首帧为 ' + subFirstFrame)
+  }
+
   // 循环持续（开始 30f / 循环 80f / 结束 30f）：段边界 30f、110f 必须在所有动画通道上打关键帧。
   const loopConfig = {
     name: 'loop', mode: 'stream', streamBehavior: 'loop', rate: 4, delay: 0,