[codex] Highlight API/App and Discord CTAs

[JessyTsui]

Summary

• clarifies the homepage distinction between Cerul Cloud/API and Cerul App
• adds a first-screen Discord CTA alongside the API key CTA
• adds an App nav link plus footer resource updates
• expands homepage structured data for Cerul Cloud and Cerul App

Validation

• pnpm lint
• pnpm test -- lib/site.test.ts
• pnpm build
• Browser check: Discord CTA is visible in the first viewport on desktop and mobile

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
cerul	Ready	Preview, Comment	Jun 30, 2026 6:39pm

[JessyTsui]

@codex review plz

Event: opened
Commit: dca3a32

[chatgpt-codex-connector]

Codex Review: Didn't find any major issues. Delightful!

Reviewed commit: dca3a320df

ℹ️ About Codex in GitHub

Your team has set up Codex to review pull requests in this repo. Reviews are triggered when you

• Open a pull request for review
• Mark a draft as ready
• Comment "@codex review".

If Codex has suggestions, it will comment; otherwise it will react with 👍.

Codex can also answer questions or update the PR. Try commenting "@codex address that feedback".