fix(*): 画布与任务详情 - 优化生成参数展示、批量上传和默认模型状态

web/src/lib/canvas/canvas-generation-task-sync.ts

@@ -255,6 +255,9 @@ function completedTaskMetadata(task: GenerationTask): CanvasNodeMetadata {
         taskStatus: task.status,
         taskProgress: typeof task.progress === "number" && Number.isFinite(task.progress) ? Math.max(0, Math.min(100, Math.round(task.progress))) : 100,
         taskStage: task.stage,
+        taskStartedAt: task.startedAt,
+        taskCompletedAt: task.completedAt,
+        taskDurationMs: task.startedAt && task.completedAt ? Math.max(0, Date.parse(task.completedAt) - Date.parse(task.startedAt)) : undefined,
         taskCreatedAt: task.createdAt || task.created_at,
         taskUpdatedAt: task.updatedAt || task.updated_at,
         errorDetails: undefined,