chore(repo): drop tailwind-merge from templates and playground

[jacekradko]

Nothing in packages/* uses tailwind-merge. The only consumers were two cn() helpers in the browser-extension playground and the custom-flows-react-vite integration template (and one stale dep declaration in the tanstack-react-start template). This drops the package and inlines cn() to clsx, and removes the trusted-publisher floor entries that pinned it.

Tradeoff worth noting: cn(defaults, className) in the affected shadcn-style components no longer resolves duplicate Tailwind utilities, so if a consumer passes a conflicting class, CSS source order wins instead of the call-site override. Acceptable for these template/demo surfaces.

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🦋 Changeset detected

Latest commit: a5c6979

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Project	Deployment	Actions	Updated (UTC)
clerk-js-sandbox	Ready	Preview, Comment	May 13, 2026 1:38am

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📒 Files selected for processing (8)

• .changeset/drop-tailwind-merge.md
• integration/constants.ts
• integration/templates/custom-flows-react-vite/package.json
• integration/templates/custom-flows-react-vite/src/lib/utils.ts
• integration/templates/tanstack-react-start/package.json
• package.json
• playground/browser-extension/package.json
• playground/browser-extension/src/utils/components.ts

💤 Files with no reviewable changes (4)

• playground/browser-extension/package.json
• package.json
• integration/constants.ts
• integration/templates/custom-flows-react-vite/package.json

---

📝 Walkthrough

Walkthrough

This PR removes the tailwind-merge dependency from the project's root configuration and two templates. The changeset documents the removal. Root package.json and integration/constants.ts no longer reference or override tailwind-merge. The custom-flows-react-vite and browser-extension templates remove the dependency and update their cn utilities to return clsx(inputs) without twMerge wrapping. The tanstack-react-start template removes the dependency from its manifest.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely summarizes the main change: removing tailwind-merge from templates and playground, which aligns with the changeset and PR objectives.
Description check	✅ Passed	The description is directly related to the changeset, explaining the rationale for removing tailwind-merge, its previous consumers, implementation changes, and a noted tradeoff.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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commit: a5c6979