chore(docus): move to released 5.13.0 and drop the local patch

[sisou]

Replaces the pkg.pr.new preview pin and the local pnpm patch with docus@^5.13.0 from npm.

Why

21f0b37 pinned https://pkg.pr.new/docus@1304 — a CI build of nuxt-content/docus#1304, taken about an hour before that PR merged. 387d9b4 then re-added a 135-line patch on top. Both fixes have been released for months:

Fix	Upstream	Released
MCP tools derive page URLs from the request origin	#1302	5.8.0
get-page fetches raw markdown via event.$fetch (absolute self-request 404s on Workers)	#1304	5.8.0
Assistant's MCP client routed through event.fetch (CF Workers self-fetch error 1042)	#1309	5.10.1

Verified against the published tarballs, not just changelogs. Upstream's version of the last one supersedes our patch — it moved to runtime/server/utils/assistant.ts in 5.12, so the patch can no longer apply anyway. The preview tarball is also an ephemeral CI artifact, and patchedDependencies only matched it because the build happened to carry version 5.7.0.

Two regressions the bump exposed

Code groups (78 of them) silently broke. docus 5.13 pulls @nuxt/ui 4.11, which removed useComponentUI in favour of useComponentProps. Separately, an app-level ProseCodeGroup override is now dropped from the bundle entirely — no build error, no chunk emitted, and <ProseCodeGroup> leaks into the rendered HTML. A verbatim copy of upstream's own component in app/components/ breaks identically, so this isn't specific to our fork. Moving it to app/components/global/ (globally registered, which is what MDC's resolveComponent needs) restores it.

pnpm typecheck failed inside docus itself, which CI runs:

docus/app/composables/useSeo.ts(37,53): error TS2339: Property 'schema'
does not exist on type '{ title?: string; description?: string; }'

5.13.0's JSON-LD feature (#1433) reads AppConfig['seo']['schema'], but only declares it in an augmentation that loses against the AppConfig Nuxt generates from resolved app.config values. Still unfixed on docus main. docus-seo.d.ts re-declares the shape on CustomAppConfig; drop it when upstream fixes this.

Verification

pnpm lint, pnpm typecheck and pnpm build all pass.

Compared against a baseline build of main in a separate worktree — identical: 108 pages, 144 code-group tabs, same tab labels and icons. The 11 prerender 500s (/protocol/validators/*, /protocol/storage/mempool, /protocol/consensus/block-format and others) occur on main too and are untouched by this PR.

Side effect worth a look in the preview

The og-image v6 upgrade (docus 5.9.0) prerenders OG images at build time: 101 static PNGs (3.4 MB) in public, and the satori/resvg wasm (2.48 MB) is gone from the Worker — server bundle drops 11 MB → 6.4 MB, which is useful headroom against Workers size limits. Also new: /.well-known/skills/* routes from docus's skills module, served from the existing skills/ dir.

Worth eyeballing on the preview: code groups, OG images, TOC (ContentToc default variant changed to circuit in 5.12), and the assistant panel (moved to Nuxt UI USidebar).

🤖 Generated with Claude Code

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[sisou]

Filed the upstream fix: nuxt-content/docus#1437.

Root cause turned out to be broader than seo.schema: docus/app/types/index.d.ts is a module, so its declare module 'nuxt/schema' block is a module augmentation that only applies once something pulls the file into the program — nothing does in an app installing docus from npm, so every AppConfig field docus declares there is silently missing and falls back to the shapes generated from nuxt.schema.ts. It only became visible now because 5.13.0's useSeo reads a field that exists solely in that file.

The upstream fix is a one-liner in layer/index.d.ts. Once it ships, docus-seo.d.ts here can go.