Why: Q3 (convergence and interop) completed across agent-native (#40),
agent-squad (#46/#47) and backend (#99-#102); Dev gitlinks must track the
merged component mains and the task card records the outcome before the
completion declaration.
Evidence: card increment table rows WP1a-WP6 with merged PR/SHA references;
component CI statuses recorded as GATE in the card verification section;
three-segment outputs (precheck/task-sync/test) appended via make evidence
in follow-up commits on this branch.
Impact: deps/agent-squad bcc8d08 -> 663e89e, deps/agent-native 1ac21c6 ->
37c5e6f, modules/backend 06934bc -> 4791b2e; task card filled.
Refs: .task/feature-agent-stack-q3.md; Q3 plan 2026-10-07-agent-stack-q2q3-plans.md
weichen
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