[rush] Fix issue where package.json script hangs when accessing STDIN on Windows#5579

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octogonz:octogonz/rush-stdin-hang

Jan 30, 2026

Commits on Jan 29, 2026

Fix a longstanding bug where a Node.js child process could hang when accessing `process.stdin`, ultimately caused by Rush spawning with stdin='pipe' yet not properly closing the pipe.
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