diff --git a/.trellis/tasks/05-28-business-attachment-governance-v1/check.jsonl b/.trellis/tasks/archive/2026-05/05-28-business-attachment-governance-v1/check.jsonl
similarity index 100%
rename from .trellis/tasks/05-28-business-attachment-governance-v1/check.jsonl
rename to .trellis/tasks/archive/2026-05/05-28-business-attachment-governance-v1/check.jsonl
diff --git a/.trellis/tasks/05-28-business-attachment-governance-v1/design.md b/.trellis/tasks/archive/2026-05/05-28-business-attachment-governance-v1/design.md
similarity index 100%
rename from .trellis/tasks/05-28-business-attachment-governance-v1/design.md
rename to .trellis/tasks/archive/2026-05/05-28-business-attachment-governance-v1/design.md
diff --git a/.trellis/tasks/05-28-business-attachment-governance-v1/implement.jsonl b/.trellis/tasks/archive/2026-05/05-28-business-attachment-governance-v1/implement.jsonl
similarity index 100%
rename from .trellis/tasks/05-28-business-attachment-governance-v1/implement.jsonl
rename to .trellis/tasks/archive/2026-05/05-28-business-attachment-governance-v1/implement.jsonl
diff --git a/.trellis/tasks/05-28-business-attachment-governance-v1/prd.md b/.trellis/tasks/archive/2026-05/05-28-business-attachment-governance-v1/prd.md
similarity index 100%
rename from .trellis/tasks/05-28-business-attachment-governance-v1/prd.md
rename to .trellis/tasks/archive/2026-05/05-28-business-attachment-governance-v1/prd.md
diff --git a/.trellis/tasks/05-28-business-attachment-governance-v1/task.json b/.trellis/tasks/archive/2026-05/05-28-business-attachment-governance-v1/task.json
similarity index 94%
rename from .trellis/tasks/05-28-business-attachment-governance-v1/task.json
rename to .trellis/tasks/archive/2026-05/05-28-business-attachment-governance-v1/task.json
index 5b8311f9..8f408d5b 100644
--- a/.trellis/tasks/05-28-business-attachment-governance-v1/task.json
+++ b/.trellis/tasks/archive/2026-05/05-28-business-attachment-governance-v1/task.json
@@ -3,7 +3,7 @@
   "name": "business-attachment-governance-v1",
   "title": "业务附件受控入库 V1",
   "description": "为现有报销、采购、付款等业务附件建立状态、敏感级别、类型、复核/归档和下载审计基础。",
-  "status": "in_progress",
+  "status": "completed",
   "dev_type": null,
   "scope": "backend-frontend",
   "package": "hyb-oa",
@@ -11,7 +11,7 @@
   "creator": "shunli",
   "assignee": "shunli",
   "createdAt": "2026-05-28",
-  "completedAt": null,
+  "completedAt": "2026-05-28",
   "branch": null,
   "base_branch": "main",
   "worktree_path": null,