Bump .nvmrc to 24.16.0 (matches in-flight Docker node bumps)

[julietshen]

Context

.nvmrc was pinned at 24.14.1 (floor set by #218 because v24.14.1 patches 2 high-severity + 4 medium-severity CVEs in Node). The four open dependabot PRs #565-569 bump the Docker base images to 24.16.0. Without this companion bump, local dev (nvm) would run 24.14.1 while CI Docker runs 24.16.0 — drift inside the same major that engines: "^24.0.0" doesn't catch, and that breaks the dev/CI-parity intent of the original .nvmrc lock-in (#112).

Why 24.16.0 specifically

Matches the in-flight dependabot Docker bumps. Inherits the security floor from #218 (all 6 CVEs fixed in 24.14.1 are also in 24.16.0) plus the additional fixes in 24.15.0 / 24.16.0.

Patch-level pin (rather than loosening to just 24) preserves the existing intent of local-vs-CI reproducibility.

Suggested order

Merge this with — or just after — #565, #566, #567, #569 land. They form a single logical change (same way #218 was a follow-up to its 4 corresponding Dependabot PRs).

Follow-up

#657 tracks the longer-term mechanism to keep .nvmrc in sync with Dockerfile node versions automatically (CI guard vs. auto-sync action vs. Renovate). This PR is the manual fix for the current drift; the issue is for the longer-term call.

🤖 Generated with Claude Code

[coderabbitai]

📝 Walkthrough

Walkthrough

Node.js runtime version is updated from 24.14.1 to 24.16.0 in the .nvmrc configuration file, which specifies the required Node.js version for the project.

Changes

Node.js Runtime Version

Layer / File(s)	Summary
Node.js version bump .nvmrc	Node.js version updated from 24.14.1 to 24.16.0 in project configuration.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Suggested labels

javascript

Suggested reviewers

• cassidyjames
• vinaysrao1

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the main change: bumping .nvmrc to Node.js 24.16.0 and directly references the reason (matching Docker node bumps).
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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.
Description check	✅ Passed	The pull request description provides comprehensive context, detailed rationale for the specific version, and clear guidance on merge order and follow-up work.

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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch bump-nvmrc-24.16

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