Files
hakorune/src/mir/join_ir/lowering
nyash-codex 79342a8617 feat(method_return_hint): Add TypeOp support for .is()/.as() type inference
Phase 83 P3-D 拡張: TypeOp 命令の戻り値型推論を追加。

## 変更内容

- TypeOpKind::Check (.is()) → Bool
- TypeOpKind::Cast (.as()) → 対象型
- ユニットテスト 2 件追加 (test_infer_from_typeop_check, test_infer_from_typeop_cast)

## 成果

- Case D 削減: 20 → 15 (5件削減, 25%)
- Unit tests: 7/7 passed

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-12-02 18:16:21 +09:00
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