docs: prepare native WebMCP migration

[Railly]

Summary

• update the web app to Geistdocs 2.7.5, which includes the public-origin MCP fix from https://github.com/vercel/geistdocs/pull/395
• add the native /api/mcp adapter and discovery/search checks using the existing search handler
• preserve exact frontmatter types with an explicit DocsCollection annotation, without changing the app's Zod version or fixtures

Verification

• frozen install, prerequisite/web builds, types, lint and 122 route tests + 3 MCP checks pass
• HTTPS preview: the WebMCP bridge targets the public origin (/api/mcp on the preview host), search_docs returns results through the proxy, and pages render with the 2.7.5 article markers

[vercel]

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

Project	Deployment	Actions	Updated
json-render	Ready	Preview, v0	Sep 30, 2026 7:33pm UTC
json-render-chat-demo	Ready	Preview, v0	Sep 30, 2026 7:33pm UTC
json-render-dashboard-demo	Ready	Preview, v0	Sep 30, 2026 7:33pm UTC
json-render-game-engine-demo	Ready	Preview, v0	Sep 30, 2026 7:33pm UTC
json-render-image-demo	Ready	Preview, v0	Sep 30, 2026 7:33pm UTC
json-render-no-ai	Ready	Preview, v0	Sep 30, 2026 7:33pm UTC
json-render-react-email-demo	Ready	Preview, v0	Sep 30, 2026 7:33pm UTC
json-render-react-pdf-demo	Ready	Preview, v0	Sep 30, 2026 7:33pm UTC
json-render-react-three-fiber-demo	Ready	Preview, v0	Sep 30, 2026 7:33pm UTC
json-render-remotion-demo	Ready	Preview, v0	Sep 30, 2026 7:33pm UTC
json-render-solid-demo	Ready	Preview, v0	Sep 30, 2026 7:33pm UTC
json-render-svelte-chat-demo	Ready	Preview, v0	Sep 30, 2026 7:33pm UTC
json-render-svelte-demo	Ready	Preview, v0	Sep 30, 2026 7:33pm UTC
json-render-vue	Ready	Preview, v0	Sep 30, 2026 7:33pm UTC

[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	npm/​@​vercel/​geistdocs@​2.4.1 ⏵ 2.7.5	+1		+1	+1

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