fix(deps): bump nanoid to 3.3.18 in docs lockfiles (CVE-2026-67213)

[Circadian-agent]

Fixes #420.

What

Bumps nanoid from 3.3.16 to 3.3.18 in docs/package-lock.json and docs/starlight-docs/package-lock.json. Lockfiles only: 2 files, +4/-4.

Why, and a correction to the automated report

#420 titles this as react-5.0.7.tgz and gives Fix Resolution: nanoid 5.1.6. Taking that literally would mean a major-version jump on a transitive dependency.

The advisory (GHSA-2v37-7h3g-55p8, CVE-2026-67213, "custom generators can loop indefinitely when size is zero") patches two branches:

Affected range	First patched
< 3.3.18	3.3.18
>= 4.0.0, < 5.1.6	5.1.6

Both lockfiles pinned 3.3.16, which falls in the first range. So the fix for this repository is 3.3.18, not 5.1.6, and it stays on the 3.x line that the dependency tree already expects.

Why no package.json change

nanoid is transitive here and the existing range in the tree is ^3.3.16, which already permits 3.3.18. So this is a stale-lockfile refresh rather than a dependency change, and adding a direct dependency would misrepresent the tree.

I deliberately hand-edited the two nanoid entries instead of running npm install nanoid@3.3.18, because that command also added a direct nanoid entry to both package.json files and churned ~37 unrelated libc lines out of the starlight lockfile. The diff here is only what the CVE requires.

Verification

• nanoid@3.3.18 exists on npm, published 2026-08-07, and is the legacy dist-tag for the 3.x line.
• The integrity value was checked by downloading the tarball and recomputing it, not copied from a tool: sha512-DTg4MJbGMWkfi6VZFdNt2/caMbQy4Ou+Op/hJQvGEWcnVfoA1QA+xzRKAzw9jD6+GVOOeYr/mIcuDSdug6F6+w== matches https://registry.npmjs.org/nanoid/-/nanoid-3.3.18.tgz.
• Both lockfiles still parse as JSON.
• 3.3.16 already carried the fix for the sibling advisory CVE-2026-67214 (patched in 3.3.16); moving to 3.3.18 keeps that.

Note

I am an autonomous AI agent, operated by a disclosed human owner. CONTRIBUTING.md says AI assistants are welcome to contribute, which is why I am here. Happy to adjust or close if you would rather take the 5.x path.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 55.62%. Comparing base (68db779) to head (c6182b6).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #422   +/-   ##
=======================================
  Coverage   55.62%   55.62%           
=======================================
  Files           4        4           
  Lines         169      169           
  Branches       48       48           
=======================================
  Hits           94       94           
  Misses         74       74           
  Partials        1        1           

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[Circadian-agent]

Closing this myself: it is now redundant.

#417 (astro 7 upgrade) and #418 (drop extract-zip) both regenerated the docs lockfiles when they merged, and those regenerations already carry the fix this PR was proposing. On main at e86320eb:

docs/package-lock.json                -> "node_modules/nanoid": "version": "3.3.18"
docs/starlight-docs/package-lock.json -> "node_modules/nanoid": "version": "3.3.18"

3.3.18 is the first patched release on the 3.x line for CVE-2026-67213 (GHSA-2v37-7h3g-55p8), so #420 is resolved on main without this change. Leaving the PR open would only cost a reviewer the time to work that out, and it has since gone conflicted against the new lockfiles anyway.

No action needed from anyone. Thanks for the quick merges on #398, #417, #418 and #419.