fix(viewModel): 修复任务详情绑定逻辑错误

- 移除bindTaskDetail函数开头的taskDetail.value赋值
- 将taskDetail.value赋值移至函数末尾确保正确的初始化顺序
- 保证taskNo、totalSteps等属性在赋值前已正确设置

app/src/main/java/com/nova/brain/glass/viewmodel/CompositeLayupTaskVM.kt

@@ -125,7 +125,6 @@ class CompositeLayupTaskVM : BaseListViewModel<ItemItem>() {
     }
 
     private fun bindTaskDetail(detail: CompositeLayupTaskDetail, stepOverride: Int? = null) {
-        taskDetail.value = detail
         this.taskNo = detail.taskNo.ifBlank { taskNo }
         totalSteps = detail.taskSteps.coerceAtLeast(detail.detailList?.size ?: 1).coerceAtLeast(1)
         currentStepSeq = when {
@@ -134,6 +133,7 @@ class CompositeLayupTaskVM : BaseListViewModel<ItemItem>() {
             else -> 1
         }.coerceIn(1, totalSteps)
         lastRecognizeFinished = currentStepSeq >= totalSteps
+        taskDetail.value = detail
     }
 
     override fun onCleared() {