diff --git a/.task/feature-rdm-two-trees-followup-d-w11-w12.md b/.task/feature-rdm-two-trees-followup-d-w11-w12.md
index fcd4649d..2e950969 100644
--- a/.task/feature-rdm-two-trees-followup-d-w11-w12.md
+++ b/.task/feature-rdm-two-trees-followup-d-w11-w12.md
@@ -26,6 +26,7 @@
 | w11-u2-release-package | W11-U2 不可变发布包/显式用途绑定/实例化（hash 四层链，needs-review/blocked 可表达） | implementation | cursor | 1 | cursor(auto) | completed | 76f7620（RDM 分支 feature/rdm-two-trees-followup-d-w11-u2） | never | ~/.cache/agent-system-dev/agent-exec-receipts/w11-u2-release-package.json |
 | w11-u3-grounded-generation | W11-U3 有依据逐块生成+真实编制人采纳（X1 provider 取证/候选草稿/禁自动确认/审计逐次记录；桩模型零真实调用） | implementation | cursor | 1 | cursor(auto) | completed | 43614d1 | never | /home/weichen/.cache/agent-system-dev/agent-exec-receipts/w11-u3-grounded-generation.json |
 | w11-u4-approved-word-render | W11-U4 固定批准快照渲染/受控下载/历史持久化（hash 链延续；TTL 不触及批准快照；attempts1-2 基础设施失败，attempt3 通过） | implementation | cursor | 3 | cursor(auto) | completed | 6f5f7a5 | never | /home/weichen/.cache/agent-system-dev/agent-exec-receipts/w11-u4-approved-word-render.json |
+| w11-u5-product-preview-offline | W11-U5 正式产品对话全链/单一预览入口/离线包（hash 清单+受控下载；桩模型零真实调用） | implementation | cursor | 1 | cursor(auto) | completed | d0f777d | never | /home/weichen/.cache/agent-system-dev/agent-exec-receipts/w11-u5-product-preview-offline.json |
 
 ## 同步记录