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Moe Charm 7a0f9bd432 🚨 AI協調開発の危機回避事例を論文化（paper-09）

「ん？大丈夫？」の一言がPython特化ハードコーディングを防いだ事例を記録。
Everything is Box哲学 vs 技術的正しさの綱渡りからの生還を分析。

- docs/research/paper-09-ai-collaboration-pitfall/ を新規作成
  - incident-analysis.md: Lowerer特殊化危機の詳細分析
  - ai-collaboration-lessons.md: AI協調開発の教訓
  - intuition-in-engineering.md: エンジニアの直感の価値
  - summary.md: 綱渡りからの生還まとめ
- 研究論文の1論文1フォルダ原則に従い整理
- Python統合関連の実装修正とビルド成功確認

🛡️ Generated with Claude Code

2025-08-30 08:54:15 +09:00

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Figures & Repro Notes (WIP)

DOT (CFG/PHI with b1 labels)

Enable JIT + PHI-min: NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_PHI_MIN=1
Write DOT: NYASH_JIT_DOT=out.dot ./target/release/nyash --backend vm examples/jit_phi_demo.nyash
Expected labels:
- Branch edges: then cond:b1, else cond:b1
- Node label: phi:N (b1:M) when boolean PHIs exist
Render with Graphviz: dot -Tpng out.dot -o out.png

Bench Table (early)

Command: ./target/release/nyash --benchmark --iterations 50 --jit-stats
Cases:
- simple_add (note: early stub impact)
- arith_loop_100k (JIT ≈ 1.40× VM)
- branch_return (≈ VM)
- f64_add (JIT ≈ 1.06× VM)

Capability Probe

Current toolchain: supports_b1_sig=false (B1 in signatures disabled)
Future: flip to true after Cranelift upgrade/verification, then switch:
- ParamKind::B1 → types::B1 (one-line change in builder)