Why: branches merged into main had left their task cards open; backfill status and archive to prevent bookkeeping debt.
Evidence: feature-adminzone-plugin-sections.md(PR#414) feature-genui-spec-repair.md(PR#416) feature-recovery-u1-instance-identity.md(PR#415) — merges verified via git log --merges against origin/main.
Impact: .task/*.md moved to .task/archive/ with status backfilled; no code or submodule change.
Refs: task.sh close (card-autoclose-r1)
Why: card-autoclose archived U1 after #415 merge but left acceptance/cleanup
and the I3 follow-up incomplete for the next task handoff.
Evidence: PR #415 merge af9c2de; green HEAD 6d453ee; task-finish recycled
worktree; residual I3 = agent_system_identity.
Impact: .task/archive/feature-recovery-u1-instance-identity.md only.
Refs: plan U1 close then I3; PR #421
Co-authored-by: Cursor <cursoragent@cursor.com>
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回填已合入任务卡并归档（3 张）。
主记录：feature/genui-spec-repair → Dev PR #416 + backend PR #166（genui spec 修复层解包 + 子代理 present）。
部署验证：dev@37e3229（backend=3d850a2）上线；红测复现线上原错→修复转绿；用户实测 02:45 生成页落库成功。