diff --git a/.trellis/tasks/08-10-session-fallback-failure-classification/check.jsonl b/.trellis/tasks/archive/2026-08/08-10-session-fallback-failure-classification/check.jsonl
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diff --git a/.trellis/tasks/08-10-session-fallback-failure-classification/design.md b/.trellis/tasks/archive/2026-08/08-10-session-fallback-failure-classification/design.md
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diff --git a/.trellis/tasks/08-10-session-fallback-failure-classification/implement.jsonl b/.trellis/tasks/archive/2026-08/08-10-session-fallback-failure-classification/implement.jsonl
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diff --git a/.trellis/tasks/08-10-session-fallback-failure-classification/implement.md b/.trellis/tasks/archive/2026-08/08-10-session-fallback-failure-classification/implement.md
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diff --git a/.trellis/tasks/08-10-session-fallback-failure-classification/prd.md b/.trellis/tasks/archive/2026-08/08-10-session-fallback-failure-classification/prd.md
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diff --git a/.trellis/tasks/08-10-session-fallback-failure-classification/research/execution-evidence.md b/.trellis/tasks/archive/2026-08/08-10-session-fallback-failure-classification/research/execution-evidence.md
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diff --git a/.trellis/tasks/08-10-session-fallback-failure-classification/research/initial-evidence.md b/.trellis/tasks/archive/2026-08/08-10-session-fallback-failure-classification/research/initial-evidence.md
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diff --git a/.trellis/tasks/08-10-session-fallback-failure-classification/task.json b/.trellis/tasks/archive/2026-08/08-10-session-fallback-failure-classification/task.json
similarity index 94%
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index c02d4ab6..5b1f5dd4 100644
--- a/.trellis/tasks/08-10-session-fallback-failure-classification/task.json
+++ b/.trellis/tasks/archive/2026-08/08-10-session-fallback-failure-classification/task.json
@@ -3,7 +3,7 @@
   "name": "session-fallback-failure-classification",
   "title": "会话回落失败定性",
   "description": "在历史同 runner 下复现并定性 8 条会话回落失败，区分 fixture/session mock 与真实会话行为；任务终点是分类结论，不在未定性时修改认证代码。",
-  "status": "in_progress",
+  "status": "completed",
   "dev_type": null,
   "scope": "client Playwright session fixture diagnostics, AuthContext/auth route read-only comparison, Trellis evidence only; no production",
   "package": null,
@@ -11,7 +11,7 @@
   "creator": "shunli",
   "assignee": "shunli",
   "createdAt": "2026-08-10",
-  "completedAt": null,
+  "completedAt": "2026-08-10",
   "branch": null,
   "base_branch": "main",
   "worktree_path": null,