tian 15f6f91fb6 feat: task timestamps, dirty state, confirmation dialog ... - Task 模型增加 CreatedAt/CompletedAt，DB 读取和快照同步 - 总览页最近任务显示时间，限制5条，增加"更多 →"链接 - 任务中心增加创建时间/完成时间列 - 管控台"保存并下发"按钮：修改功能或视频源后才激活 - 下发前弹出变更摘要确认对话框 - 下发后回到管控台并显示任务ID		2026-05-12 14:26:10 +08:00
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ui	feat: task timestamps, dirty state, confirmation dialog	2026-05-12 14:26:10 +08:00
graph_node_types.go	chore: convert all tabs to spaces	2026-05-08 20:05:40 +08:00
ui_embed.go	Initial commit	2026-01-10 21:30:28 +08:00
ui_test.go	feat: task timestamps, dirty state, confirmation dialog	2026-05-12 14:26:10 +08:00
ui.go	feat: task timestamps, dirty state, confirmation dialog	2026-05-12 14:26:10 +08:00