fix(e2e): pin Next.js version in cache-components template

[jacekradko]

Summary

• Pin Next.js in the cache-components integration test template from ^16.0.0-canary.0 to 16.1.6

The cache-components test suite has been deterministically failing since March 18, not flaky. Root cause:

• The template had "next": "^16.0.0-canary.0" with no lockfile, so every CI run resolved the latest compatible version
• Next.js 16.2.0 was published on 2026-03-18 at 17:17 UTC
• Every CI run after that picked up 16.2.0, which breaks window.Clerk?.session initialization after sign-in
• The last passing run (March 14) used Next.js 16.1.6
• All "passing" runs between March 14–18 were Turbo cache hits that never actually executed tests

This pins to 16.1.6 to unblock CI. The 16.2.0 incompatibility should be investigated separately.

Test plan

• Integration Tests (cache-components, chrome, 16) passes in CI

Summary by CodeRabbit

• Chores
  • Updated Next.js to a stable release version for improved stability and reliability.

[changeset-bot]

🦋 Changeset detected

Latest commit: be6de6b

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

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Project	Deployment	Actions	Updated (UTC)
clerk-js-sandbox	Ready	Preview, Comment	Mar 20, 2026 1:48am

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Reviewing files that changed from the base of the PR and between e00ec97 and 2e6fd4d.

📒 Files selected for processing (2)

• .changeset/pin-nextjs-cache-components.md
• integration/templates/next-cache-components/package.json

---

📝 Walkthrough

Walkthrough

A changeset entry was created to document changes to the Next.js cache components template. The next dependency in integration/templates/next-cache-components/package.json was updated from a canary version (^16.0.0-canary.0) to a stable pinned release version (16.1.6). This change transitions the template's Next.js dependency from using a flexible canary range to a fixed, released version.

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly summarizes the main change: pinning the Next.js version in the cache-components template from a canary range to a stable version (16.1.6) to fix failing e2e tests.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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📝 Coding Plan

• Generate coding plan for human review comments

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commit: be6de6b