[arsenovicAtNominal]

Summary

Updates the locked nominal-sphinx-theme from 226bd86 to 2c17e21 (upstream main), which adds:

• a Product Guides button in the header, beside Request a demo and Open app (Product Guides button in the docs header nominal-sphinx-theme#20)
• a docs-site menu after the Nominal logo (Docs-site menu under DEVELOPER DOCS, shared with non-Sphinx pages nominal-sphinx-theme#19)
• a two-row header, an ivory light palette, Atom One code highlighting, and API page styling (Two-row header, ivory light palette, Atom One code, and API page styling nominal-sphinx-theme#18)
• links in code blocks underlined on hover (Underline links in code blocks nominal-sphinx-theme#15, then Two-row header, ivory light palette, Atom One code, and API page styling nominal-sphinx-theme#18)
• notebook cell colors matching the code blocks (Match myst-nb notebook cells to Shibuya code blocks nominal-sphinx-theme#14)
• the {nominal-snippet} directive for shared snippets (Add the {nominal-snippet} directive for shared snippets, with images nominal-sphinx-theme#6, Write snippet .gitignore only when it is missing nominal-sphinx-theme#13), and nominal_sidebar_open for folding sidebar groups (Fold sidebar groups under their captions with nominal_sidebar_open nominal-sphinx-theme#11, Fix sidebar fold buttons not responding to clicks nominal-sphinx-theme#12); both are opt-in

Only uv.lock changes. Besides the theme, the lock's versions of instro's own packages catch up with their pyproject.toml files (for example, instro 1.21.0 → 1.22.0), and the theme's myst-parser dependency is listed. Locked with uv 0.12.5, so the lock stays at revision 3.

Type of change

• Chore / tooling (chore)

Verification

• uv lock --check passes.
• Strict docs build (just build-docs: sphinx-build -E -W) passes with the new theme, and the header has the Product Guides button.

Tests

• No tests — explain why: only the docs theme's version changes; the docs build checks it.

Checklist

• PR title follows Conventional Commits
• Code follows the style/conventions of the surrounding code

🤖 Generated with Claude Code

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[claude]

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Code Review

Overview: Clean, minimal lockfile-only change that follows the documented theme-bump procedure exactly (docs/AGENTS.md:30: change the theme upstream, then uv lock --upgrade-package nominal-sphinx-theme here). pyproject.toml pins the theme to the git URL without a rev (pyproject.toml:106), so the lock is the correct and only place this bump shows up — no pyproject.toml edit needed. The incidental instro/instro-unstable/etc. version bumps in the lock match their current pyproject.toml versions (verified instro 1.22.0 against root pyproject.toml:3), consistent with release-please-managed versions simply catching up. uv.lock stays at revision 3 as noted. No driver/API/docs-content changes are in scope, so none of the usual driver-convention, breaking-change, or docs-sync checks apply here.

No findings.

• Gather context (PR diff, AGENTS.md conventions)
• Review the uv.lock diff
• Post findings
  (branch)