Why: include the current integration baseline before verification.
Evidence: fetched origin/main=8f59b135ec27fc04e432583d70e1e1d0d6f25ea8.
Impact: integrate upstream changes without rewriting task history.
Refs: task-sync
Why: close the task card inside its own PR so landing it needs no post-merge backfill or separate close PR.
Evidence: .task/fix-guard-test-blindspot-coverage.md -> .task/archive/fix-guard-test-blindspot-coverage.md; status 已完成(合入前闭合); PR #671https://git-home.u1680832.nyat.app:30319/weichen/Agent-System-Dev/pulls/671.
Impact: task metadata only; the card is archived within PR #671 and lands with its merge commit.
Refs: task.sh close --self
Why: include the current integration baseline before verification.
Evidence: fetched origin/main=210f8f305238a0241ce69ab5943b52d8bc5bcc62.
Impact: integrate upstream changes without rewriting task history.
Refs: task-sync
Why: three BLOCKED review rounds and their closures, plus the final PASS, must
be recorded before delivery.
Evidence: /tmp/guard-blindspot-impl-r2-20261020.json, /tmp/guard-blockers-r2-receipt-20261020.json,
/tmp/guard-closure-receipt2-20261020.json (all cursor, success) and
/tmp/guard-closure-review-receipt-20261020.json (pi-glm, PASS);
review reports under .task/reviews/.
Impact: card metadata only; no behaviour change.
Refs: fix/guard-test-blindspot-coverage
Why: establish the authorized task workspace and its initial baseline.
Evidence: preserved precheck receipt in .task/fix-guard-test-blindspot-coverage.md; R0=7a5c80eacb835bfc6e62b3557129ec299bbb5290.
Impact: task metadata only; the feature workspace starts at 7a5c80eacb.
Refs: .task/fix-guard-test-blindspot-coverage.md