chore(sync): sync vendor dependencies

[amondnet]

Summary

Sync vendor/source submodules to latest commits:

• ai-sdk → 035d5ad
• agent-browser → 8f6ad81
• better-auth → 6a16369
• prisma → e47383c
• supabase → 760460c
• nuxt-ui → dd3f5c5
• mastra → 5dee864
• web-design-guidelines → cc8bd7a
• turborepo → 923e200
• vuejs-ai → f3dd1bf
• tsdown → 0173c6e
• vueuse → 075b0d6
• slidev → c8a7b7d

Test plan

• Verify submodule references are correct
• Confirm no breaking changes in dependent skills/plugins

---

Summary by cubic

Sync vendor submodules to latest upstream and refresh plugin docs. Notable upstream updates include tsdown’s CSS default switching to Lightning CSS and Turborepo schema moving to canary.6 with a new signature key check.

• Dependencies

  • Synced and updated SYNC metadata for: agent-browser, ai-sdk, better-auth, prisma, supabase, nuxt-ui, mastra, web-design-guidelines, turborepo, vuejs-ai, tsdown, vueuse, slidev.
  • Updated docs: Turborepo schema references to canary.6 and new longerSignatureKey; tsdown defaults to 'lightningcss' and clarifies PostCSS detection.

• Migration

  • tsdown: Default is now css.transformer: 'lightningcss' (requires @tsdown/css). To keep prior behavior, set css.transformer: 'postcss' or install @tsdown/css.
  • Turborepo: If you pin $schema URLs, update to canary.6. When using remoteCache.signature, ensure TURBO_REMOTE_CACHE_SIGNATURE_KEY is ≥ 32 bytes.

^{Written for commit abe7b58. Summary will update on new commits.}

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Project	Deployment	Actions	Updated (UTC)
claude-code-plugins	Ready	Preview, Comment	Mar 5, 2026 3:57am

[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request synchronizes several vendor dependencies to ensure the project utilizes the most current versions of external components. This update incorporates the latest features, bug fixes, and performance enhancements from key submodules like agent-browser, ai-sdk, nuxt-ui, tsdown, and turborepo. Additionally, it includes documentation updates for tsdown and turborepo to reflect changes in their configurations and available options, and a specific file content change within the supabase plugin.

Highlights

• Vendor Submodule Updates: Updated the agent-browser, ai-sdk, nuxt-ui, tsdown, and turborepo vendor submodules to their latest commits, ensuring the project uses the most recent versions of these external components.
• Sync Date Refresh: Refreshed the sync dates for better-auth, prisma, mastra, vuejs-ai, vueuse, slidev, and web-design-guidelines submodules, indicating a re-sync check without a change in their Git SHAs.
• tsdown Configuration Change: Modified the tsdown documentation to change the default CSS transformer from postcss to lightningcss and updated related explanations and examples.
• Turborepo Documentation Enhancements: Updated turborepo documentation to reflect a new canary version (2.8.14-canary.6) and introduced the longerSignatureKey global option, which enforces a minimum key length for remote cache signatures.
• Supabase File Content Change: Replaced the content of plugins/supabase/skills/supabase-postgres-best-practices/CLAUDE.md with a file path, which might indicate an internal reference update.

Changelog

• plugins/supabase/skills/supabase-postgres-best-practices/CLAUDE.md
  • Replaced the file's content from 'AGENTS.md' to a full file path.
• plugins/tsdown/skills/tsdown/references/option-css.md
  • Changed the default CSS transformer from 'postcss' to 'lightningcss'.
  • Updated documentation for css.transformer and clarified PostCSS config auto-detection.
• plugins/turborepo/skills/turborepo/SKILL.md
  • Updated the Turborepo version metadata from 2.8.14-canary.2 to 2.8.14-canary.6.
  • Updated the $schema URL to reflect the new canary version.
• plugins/turborepo/skills/turborepo/references/configuration/global-options.md
  • Added documentation for a new global option, longerSignatureKey, which enforces a minimum key length for TURBO_REMOTE_CACHE_SIGNATURE_KEY.

Activity

• No human activity (comments, reviews) has been recorded on this pull request yet.

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[gemini-code-assist]

Code Review

This pull request syncs vendor dependencies. The changes mostly consist of updates to submodule references and SYNC.md files, which is expected for this type of operation. However, I've found a critical issue in one of the synced files, plugins/supabase/skills/supabase-postgres-best-practices/CLAUDE.md, which now contains a hardcoded local file path. This seems to be a bug in the sync script. My review adheres to the repository's style guide by focusing on this operational bug rather than suggesting manual edits to the vendor-synced content.

[cubic-dev-ai]

No issues found across 40 files