# Phase‑20.27 — CHECKLIST Core/mir_call - [ ] ModuleFunction 代表(String/Array/Map)正例 PASS - [ ] Method(receiver→第1引数で正規化)正例 PASS - [ ] Constructor:birth/0 or host slot init(Fail‑Fast仕様の明記) - [ ] Closure:Fail‑Fast(安定メッセージ) Box semantics - [ ] Array: size/get/set/push/pop/clear 正/負 PASS(OOB/型) - [ ] Map: size/get/set/has/delete/keys/values 正/負 PASS - [ ] String: length/indexOf/lastIndexOf/substring/charAt/replace 正/負 PASS Delegation - [ ] hakorune‑vm の 1:1 ハンドラを Core に委譲(diff 小、TODO ラベルは残可) Gate‑C(JSON→Core) - [ ] file/pipe × plugins ON/OFF 対称 PASS - [ ] rc 伝搬(i64/文字列代表) PASS Docs / Env - [ ] 安定タグ表の追記(正/負) - [ ] ENV/Flags 記載(SMOKES_ENABLE_CORE_CANARY, HAKO_CORE_MAX_ITERS, HAKO_GATE_C_CORE)