diff --git a/.trellis/tasks/05-29-spec-governance-cleanup/check.jsonl b/.trellis/tasks/archive/2026-05/05-29-spec-governance-cleanup/check.jsonl
similarity index 100%
rename from .trellis/tasks/05-29-spec-governance-cleanup/check.jsonl
rename to .trellis/tasks/archive/2026-05/05-29-spec-governance-cleanup/check.jsonl
diff --git a/.trellis/tasks/05-29-spec-governance-cleanup/implement.jsonl b/.trellis/tasks/archive/2026-05/05-29-spec-governance-cleanup/implement.jsonl
similarity index 100%
rename from .trellis/tasks/05-29-spec-governance-cleanup/implement.jsonl
rename to .trellis/tasks/archive/2026-05/05-29-spec-governance-cleanup/implement.jsonl
diff --git a/.trellis/tasks/05-29-spec-governance-cleanup/implement.md b/.trellis/tasks/archive/2026-05/05-29-spec-governance-cleanup/implement.md
similarity index 100%
rename from .trellis/tasks/05-29-spec-governance-cleanup/implement.md
rename to .trellis/tasks/archive/2026-05/05-29-spec-governance-cleanup/implement.md
diff --git a/.trellis/tasks/05-29-spec-governance-cleanup/prd.md b/.trellis/tasks/archive/2026-05/05-29-spec-governance-cleanup/prd.md
similarity index 100%
rename from .trellis/tasks/05-29-spec-governance-cleanup/prd.md
rename to .trellis/tasks/archive/2026-05/05-29-spec-governance-cleanup/prd.md
diff --git a/.trellis/tasks/05-29-spec-governance-cleanup/research/spec-audit.md b/.trellis/tasks/archive/2026-05/05-29-spec-governance-cleanup/research/spec-audit.md
similarity index 100%
rename from .trellis/tasks/05-29-spec-governance-cleanup/research/spec-audit.md
rename to .trellis/tasks/archive/2026-05/05-29-spec-governance-cleanup/research/spec-audit.md
diff --git a/.trellis/tasks/05-29-spec-governance-cleanup/task.json b/.trellis/tasks/archive/2026-05/05-29-spec-governance-cleanup/task.json
similarity index 91%
rename from .trellis/tasks/05-29-spec-governance-cleanup/task.json
rename to .trellis/tasks/archive/2026-05/05-29-spec-governance-cleanup/task.json
index c47135cc..75cb5300 100644
--- a/.trellis/tasks/05-29-spec-governance-cleanup/task.json
+++ b/.trellis/tasks/archive/2026-05/05-29-spec-governance-cleanup/task.json
@@ -3,7 +3,7 @@
   "name": "spec-governance-cleanup",
   "title": "Spec 治理与去噪审查",
   "description": "审查并治理 Trellis spec，删除占位噪音，统一 frontend-design 与 Trellis-only 规则边界。",
-  "status": "in_progress",
+  "status": "completed",
   "dev_type": null,
   "scope": "trellis-spec-governance",
   "package": null,
@@ -11,7 +11,7 @@
   "creator": "shunli",
   "assignee": "shunli",
   "createdAt": "2026-05-29",
-  "completedAt": null,
+  "completedAt": "2026-05-29",
   "branch": null,
   "base_branch": "main",
   "worktree_path": null,
@@ -23,4 +23,4 @@
   "relatedFiles": [],
   "notes": "",
   "meta": {}
-}
+}
\ No newline at end of file