Why: Q2 (topology library) completed in Agent-Squad across WP1-4 (PRs
#42-#45, main bcc8d08) and the backend nested pin followed (PR #98, main
06934bc); Dev gitlinks must track the merged component mains and the task
card records the outcome before the completion declaration.
Evidence: card increment table rows WP1-4 with merged PR/SHA references;
component CI statuses recorded as GATE in the card's verification section;
three-segment outputs (precheck/task-sync/test) appended via make evidence
in follow-up commits on this branch.
Impact: deps/agent-squad c462bc4 -> bcc8d08, modules/backend 6e02a1f ->
06934bc; task card filled (results/verification/increments).
Refs: .task/feature-agent-stack-q2.md; Q2 plan 2026-10-07-agent-stack-q2q3-plans.md
weichen
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