# Phase 29z: RC insertion minimal(Phase 29y follow-up) Status: P2 Closeout Scope: Phase 29y の SSOT(RC insertion / ABI / observability)を前提に、**RC insertion pass を最小動作**まで進める。 Entry: - SSOT: `docs/development/current/main/phases/phase-29y/20-RC-INSERTION-SSOT.md` - 指示書: `docs/development/current/main/phases/phase-29z/P0-RC_INSERTION_MINIMAL-INSTRUCTIONS.md` Opt-in: - `rc-insertion-minimal` Cargo feature(既定OFF) Verification: - `cargo build --release` / `./tools/smokes/v2/run.sh --profile quick` - `cargo run --bin rc_insertion_selfcheck --features rc-insertion-minimal` Progress: - P0: overwrite release(Store 上書き) - P1: explicit drop(Store null)を最小対応 - P2: closeout(Return終端のcleanup追加、残課題を整理) Next Phase: - Phase 29aa P0: `docs/development/current/main/phases/phase-29aa/P0-RC_INSERTION_CFG_AWARE_DESIGN-INSTRUCTIONS.md` Residuals(分類): - Design: CFG-aware RcPlan(block/edge 単位)の契約と Fail-Fast 方針、PHI/loop/early-exit の危険パターン整理、Branch/Jump 終端 cleanup 設計 - Implementation: null 伝搬の精度向上(copy以外の伝搬パターン追加) - Verification: quick 154/154 PASS 維持(既定OFF)+ `rc_insertion_selfcheck` opt-in 確認