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Bound lookahead for common TSX generic arrow headers - #54

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improve/deadcode-20261019-generic-header
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improve/deadcode-20261019-generic-header

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TSX files with many short generic arrow declarations repeatedly lexed the next 8,192 characters for every generic head. Validate complete common direct-arrow headers using a short prefix, and retain the existing 8,192-character fallback for complex or inconclusive syntax.

The focused regression tests measure lexer input for 40, 100, and 400 declarations, cover the existing lookahead boundary, and check live CSS through scan, dry-run, and removal. Independent comparison preserves all 225 previous helper decisions and all 22 previous CSS outcomes, including the existing conservative cases.

Validation: Ruff lint and format checks; all 842 tests on Python 3.10, 3.11, 3.12, and 3.13 on Linux. Offline lock/dependency checks; one wheel and sdist build, Twine, and actual private wheel installation with generated console help and scan/dry-run/removal controls.

Addresses the post-merge review finding: #51 (comment)

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chatgpt-codex-connector Bot commented Oct 19, 2026 •

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Codex Review Summary

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Review Status Commit Review trigger
📝 Code Review ✅ Completed 2026-10-19T09:32:45.669134Z 7d33c7e PR opened
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Automated Code Review

Ruff lint: 0 issue(s)

Ruff format: Clean

Secret detection: 0 potential secret(s)

Verdict: PASS

Automated by Coding-Dev-Tools/.github reusable workflow.

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