chore: bump pnpm to 12.4.1

[btravers]

Bumps packageManager from pnpm 11.7.0 to 12.4.1 (major).

• Lockfile regenerated with pnpm install --lockfile-only: the only change is pnpm 12's new packageManagerDependencies document pinning pnpm's own integrity. Dependency graph unchanged.
• pnpm 12 breaking changes to watch in CI: unrecognized pnpm-workspace.yaml settings now error, --frozen-lockfile false removed (use --no-frozen-lockfile), stricter engineStrict.

https://claude.ai/code/session_01JqjTCSDPsbgreJKHcRABi9

Summary by CodeRabbit

• Chores
  • Updated the required pnpm version to 12.4.1.

[coderabbitai]

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📥 Commits

Reviewing files that changed from the base of the PR and between f7c3cff and e844e2b.

⛔ Files ignored due to path filters (1)

• pnpm-lock.yaml is excluded by !**/pnpm-lock.yaml, !pnpm-lock.yaml

📒 Files selected for processing (1)

• pnpm-workspace.yaml

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Run ID: 820375f1-57e0-4249-af1c-e94aa375bdd4

📥 Commits

Reviewing files that changed from the base of the PR and between da05777 and f7c3cff.

⛔ Files ignored due to path filters (1)

• pnpm-lock.yaml is excluded by !**/pnpm-lock.yaml, !pnpm-lock.yaml

📒 Files selected for processing (1)

• package.json

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📝 Walkthrough

Walkthrough

The package manager requirement in package.json changes from pnpm 11.7.0 to 12.4.1.

Changes

Package Manager Update

Layer / File(s)	Summary
Update pnpm requirement package.json	The required pnpm version changes from 11.7.0 to 12.4.1.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~2 minutes

Change: Other

Merge Risk: ⚪ Minimal · up to f7c3c

The pnpm upgrade is compatible with the repository’s supported Node versions and CI installation workflow.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: updating pnpm from version 11.7.0 to 12.4.1.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
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.

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chore/pnpm-12.4.1

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[Copilot]

🟡 Changes recommended

pnpm-lock.yaml appears to contain two YAML documents (duplicate ---/lockfileVersion), which is likely to break pnpm installs and must be regenerated/fixed.

Get a fresh assessment by requesting another Copilot review.

Pull request overview

This PR upgrades the repository’s declared pnpm version from 11.7.0 to 12.4.1 and attempts to update the lockfile accordingly so developers/CI use pnpm 12 consistently.

Changes:

• Bumped packageManager in package.json to pnpm@12.4.1.
• Updated pnpm-lock.yaml to include pnpm 12’s packageManagerDependencies metadata.

File summaries

File	Description
package.json	Updates the declared pnpm version to 12.4.1.
pnpm-lock.yaml	Adds pnpm 12 package-manager metadata, but currently appears to have been prepended as a second YAML document.

Review details

Files not reviewed (1)

• pnpm-lock.yaml: Generated file

• Files reviewed: 1/2 changed files
• Comments generated: 1
• Review effort level: Lite

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