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Single quotes in concurrently commands work on Unix shells but not on Windows Command Shell (cmd.exe), causing the INPUT environment variable to not be set and npm scripts to fail with errors like:

'cross-env' is not recognized as an internal or external command
Error: INPUT environment variable is not set

Replace single quotes with escaped double quotes (\") in npm scripts in all example package.json files.

Single quotes in `concurrently` commands work on Unix shells but not on
Windows Command Shell (`cmd.exe`), causing the `INPUT` environment
variable to not be set and npm scripts to fail with errors like:

    'cross-env' is not recognized as an internal or external command
    Error: INPUT environment variable is not set

Replace single quotes with escaped double quotes (`\"`) in npm scripts
in all example `package.json` files.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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pkg-pr-new bot commented Feb 2, 2026

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commit: 27196b3

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