hakorune/docs/development/current/main/phases/phase-29z

Phase 29z: RC insertion minimal（Phase 29y follow-up）

Status: P0 Complete
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