web(landing): drop the per-project workspaces card and JSON-LD feature

[itsmeakhil]

What does this change?

Closes #

Why?

Type of change

• Bug fix
• New tool
• Improvement to an existing tool
• Documentation
• Translation
• Chore (deps, config, tooling)

How did you verify it?

Screenshots

Checklist

• pnpm lint passes
• Tests pass (cd apps/desktop-ui && pnpm test), and logic changes have a test
• User-visible strings go through useTranslations("<Namespace>") — nothing hardcoded
• New/changed keys added to messages/en.json, then pnpm i18n:sync run
• Async mutations that can fail are wrapped in try/catch with toast.error(message)
• No new mandatory network call, sign-in, sync or backend — the app still works fully offline
• No secrets, tokens or personal data in the diff

New tool only

• Registered in all six registries (metadata.ts, route-config.ts, tab-registry.tsx, tool-categories.ts, tool-i18n.ts, sidebar-data.ts)
• Logic lives in src/lib/<slug>.ts with a test in src/lib/__tests__/
• Uses ToolPageHeader with the category accent, like the other tools

Anything reviewers should know?

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Project	Deployment	Actions	Updated (UTC)
mydevtools-tech	Ready	Preview	Aug 19, 2026 5:02pm

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