64 lines
1.9 KiB
Markdown
64 lines
1.9 KiB
Markdown
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---
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Status: Active
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Scope: docs-first（仕様不変）
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Related:
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- docs/development/current/main/phases/phase-29al/README.md
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- docs/development/current/main/design/effect-classification-ssot.md
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- src/mir/effect.rs
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---
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# Phase 29al P2: Effect classification SSOT（docs-first）
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Date: 2025-12-29
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Status: Ready for execution
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Scope: effect 分類と最小の変形規約を SSOT 化する（仕様不変）
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## Objective
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- “どの変形が許されるか” を effect で固定し、JoinIR/PlanFrag/CorePlan/最適化/RC insertion が相互に壊さない境界を作る
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- 実装者が `PURE` を都合で付け替える事故を防ぐ（SSOT + 参照導線）
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## Non-goals
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- 新しい最適化の追加
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- 既存の effect 実装変更（コードは触らない）
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- 新 env var 追加
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- release 挙動/ログの変更
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## Steps
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### Step 1: effect SSOT を design に追加
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Add:
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- `docs/development/current/main/design/effect-classification-ssot.md`
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Must include:
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- primary categories（Pure/Mut/Io/Control）
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- PlanFrag/CorePlan の effect 境界（`CoreEffectPlan::MethodCall.effects` 等）
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- “許される変形” の最小法典（DCE/CSE/再順序）
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- RC insertion と effect の扱い（削除禁止・順序保持）
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### Step 2: 参照導線を追加
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Update:
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- `docs/development/current/main/design/planfrag-ssot-registry.md`
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- 必要なら `docs/development/current/main/design/joinir-plan-frag-ssot.md` に関連リンク
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### Step 3: Phase 入口と運用を更新
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Update:
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- `docs/development/current/main/phases/phase-29al/README.md`
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- `docs/development/current/main/10-Now.md`
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- `docs/development/current/main/30-Backlog.md`
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- `CURRENT_TASK.md`
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## Verification
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- docs-only のため必須なし
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- 任意: `./tools/smokes/v2/profiles/integration/joinir/phase29ae_regression_pack_vm.sh`
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## Commit
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- `git add -A && git commit -m "docs(phase29al): effect classification ssot"`
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