test: write package.json with postinstall canary script

[pullfrog]

Pushes the package.json written during the dependency installation behavior test (run for PR #808). The file was modified in-place during the test run and needs to be captured in a PR to keep the working tree clean.

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Note

Medium Risk
Adds a postinstall script that executes during dependency installation, which can have side effects in CI/dev environments. Change is otherwise confined to package metadata and scripts.

Overview
Updates package.json by renaming the package to test-pkg, adding a 1.0.0 version, and replacing the test script with a postinstall canary that writes CANARY_MARKER to /tmp/postinstall-canary.txt during installs.

Also removes private/type fields and explicitly defines empty dependencies.

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Test-modified package.json committed over real project config

High Severity

The entire package.json has been replaced with a test-generated artifact. The "test": "vitest run" script is removed (breaking npm test), "private": true is removed (risking accidental npm publication), "type": "module" is removed (potentially breaking ESM resolution for the existing .ts source and test files that use import/export), and a postinstall script that writes a canary file to /tmp/ runs on every npm install. This overwrites the project's legitimate configuration with a throwaway test fixture.

 

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