fix: write the hook script parser as fixed text

[LadyBluenotes]

🎯 Changes

• intent hooks install wrote the command parser into the hook script with parseIntentInvocation.toString(), so the installed file held whatever text the build produced for that function. A bundler upgrade or a minified build would rewrite the script that users install.
• The parser is now fixed text in the script template, like the other functions there. The matching pattern stays in one place: policy.ts exports it as INTENT_INVOCATION_PATTERN, and the template prints that same constant. The pattern does not change.
• Hook behavior does not change. A new test runs the parser from the generated script and the source parser on the same commands and fails if the two copies drift.
• The generated script is byte-identical from the source, from the current build, and from a minified build.
• The next intent hooks install rewrites an installed script once and reports Updated Intent hooks. A script that is not reinstalled keeps working.
• The built package grows by 578 bytes, because the parser now exists in the bundle and as fixed text.
• Adds a patch changeset.

✅ Checklist

• I have followed the steps in the Contributing guide.
• I have tested this code locally with pnpm run test:pr (run pnpm build:all first).

🚀 Release Impact

• This change affects published code, and I have generated a changeset.
• This change is docs/CI/dev-only (no release).

[changeset-bot]

🦋 Changeset detected

Latest commit: cfb57e7

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@tanstack/intent	Patch

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📥 Commits

Reviewing files that changed from the base of the PR and between 594fd9d and cfb57e7.

📒 Files selected for processing (4)

• .changeset/hook-script-fixed-text.md
• packages/intent/src/hooks/install.ts
• packages/intent/src/hooks/policy.ts
• packages/intent/tests/hooks-install.test.ts

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☁️ Nx Cloud last updated this comment at 2026-10-04 22:45:16 UTC

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npm i https://pkg.pr.new/@tanstack/intent@326

commit: cfb57e7

[codspeed]

Merging this PR will not alter performance

✅ 12 untouched benchmarks

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_{Comparing fix/hook-script-fixed-text (cfb57e7) with main (594fd9d)}