diff --git a/.trellis/tasks/07-26-trellis-upgrade-project-audit/check.jsonl b/.trellis/tasks/archive/2026-07/07-26-trellis-upgrade-project-audit/check.jsonl
similarity index 100%
rename from .trellis/tasks/07-26-trellis-upgrade-project-audit/check.jsonl
rename to .trellis/tasks/archive/2026-07/07-26-trellis-upgrade-project-audit/check.jsonl
diff --git a/.trellis/tasks/07-26-trellis-upgrade-project-audit/design.md b/.trellis/tasks/archive/2026-07/07-26-trellis-upgrade-project-audit/design.md
similarity index 100%
rename from .trellis/tasks/07-26-trellis-upgrade-project-audit/design.md
rename to .trellis/tasks/archive/2026-07/07-26-trellis-upgrade-project-audit/design.md
diff --git a/.trellis/tasks/07-26-trellis-upgrade-project-audit/implement.jsonl b/.trellis/tasks/archive/2026-07/07-26-trellis-upgrade-project-audit/implement.jsonl
similarity index 100%
rename from .trellis/tasks/07-26-trellis-upgrade-project-audit/implement.jsonl
rename to .trellis/tasks/archive/2026-07/07-26-trellis-upgrade-project-audit/implement.jsonl
diff --git a/.trellis/tasks/07-26-trellis-upgrade-project-audit/implement.md b/.trellis/tasks/archive/2026-07/07-26-trellis-upgrade-project-audit/implement.md
similarity index 98%
rename from .trellis/tasks/07-26-trellis-upgrade-project-audit/implement.md
rename to .trellis/tasks/archive/2026-07/07-26-trellis-upgrade-project-audit/implement.md
index 2c9e56f7..eb46283b 100644
--- a/.trellis/tasks/07-26-trellis-upgrade-project-audit/implement.md
+++ b/.trellis/tasks/archive/2026-07/07-26-trellis-upgrade-project-audit/implement.md
@@ -14,7 +14,7 @@
 - [x] 运行完整本地质量门禁并记录结果。
 - [x] 评估并更新稳定 spec。
 - [x] 形成中文提交。
-- [ ] 完成 Trellis task 归档。
+- [x] 完成 Trellis task 归档。
 
 ## 验证结果
 
diff --git a/.trellis/tasks/07-26-trellis-upgrade-project-audit/prd.md b/.trellis/tasks/archive/2026-07/07-26-trellis-upgrade-project-audit/prd.md
similarity index 100%
rename from .trellis/tasks/07-26-trellis-upgrade-project-audit/prd.md
rename to .trellis/tasks/archive/2026-07/07-26-trellis-upgrade-project-audit/prd.md
diff --git a/.trellis/tasks/07-26-trellis-upgrade-project-audit/research/current-state-audit.md b/.trellis/tasks/archive/2026-07/07-26-trellis-upgrade-project-audit/research/current-state-audit.md
similarity index 100%
rename from .trellis/tasks/07-26-trellis-upgrade-project-audit/research/current-state-audit.md
rename to .trellis/tasks/archive/2026-07/07-26-trellis-upgrade-project-audit/research/current-state-audit.md
diff --git a/.trellis/tasks/07-26-trellis-upgrade-project-audit/task.json b/.trellis/tasks/archive/2026-07/07-26-trellis-upgrade-project-audit/task.json
similarity index 93%
rename from .trellis/tasks/07-26-trellis-upgrade-project-audit/task.json
rename to .trellis/tasks/archive/2026-07/07-26-trellis-upgrade-project-audit/task.json
index b30e1c42..39e878cf 100644
--- a/.trellis/tasks/07-26-trellis-upgrade-project-audit/task.json
+++ b/.trellis/tasks/archive/2026-07/07-26-trellis-upgrade-project-audit/task.json
@@ -3,7 +3,7 @@
   "name": "trellis-upgrade-project-audit",
   "title": "Trellis 升级与项目状态多维审查",
   "description": "安全升级项目 Trellis，并基于现有事实源多维复核项目状态，形成分级优化与精简建议。",
-  "status": "in_progress",
+  "status": "completed",
   "dev_type": null,
   "scope": "trellis-governance-and-project-audit",
   "package": null,
@@ -11,7 +11,7 @@
   "creator": "shunli",
   "assignee": "shunli",
   "createdAt": "2026-07-26",
-  "completedAt": null,
+  "completedAt": "2026-07-26",
   "branch": null,
   "base_branch": "main",
   "worktree_path": null,