Why: T5 closes the interaction-foundation proposal (T0-T5); the Dev combo pins the verified combination.
Evidence: zero-page walkthrough 12/12 PASS on a fresh real binary; combo make test PASS at pinned heads; records at documents docs/records/2026-09-30-t5-polish-verification.md (PR#13).
Impact: gitlinks frontend/documents updated; task card backfilled; no Dev-side code change.
Refs: task card feature/polish-r1; proposal T5
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feature/polish-r1 任务卡
任务主记录:<PR 链接,task-finish 时填写>;状态:进行中;owner:weichen
基线与授权
91e616e03d目标与非目标
同步记录
91e616e03d91e616e03d结果与验证