A bunch of bugfixes and updates for upgrading TanStack Start

[akirak]

No description provided.

[Copilot]

Pull Request Overview

Upgrade TanStack Start/Router and integrate Nitro v2, plus related refactors from Option-based schemas to nullable values and build/deploy flow updates

• Migrate server routes to createFileRoute with server.handlers and update server utilities (inputValidator, getRequest)
• Switch build output from .output to dist and integrate @tanstack/nitro-v2-vite-plugin; add @vitejs/plugin-react
• Clean up Effect Option usage to nullable, fix CSS variable typo, and update DateFormat API

Reviewed Changes

Copilot reviewed 22 out of 23 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
vite.config.ts	Adds Nitro v2 and React Vite plugins; updates plugin stack for Start/Nitro integration
src/styles/main.css	Removes invalid sticky rule and adjusts truncate utility
src/schemas/post.ts	Replaces Option-based optional fields with nullable and updates validations
src/schemas/common.ts	Updates optional date schema to nullable
src/routes/sitemap[.]xml.ts	Migrates to createFileRoute server handlers and updates sitemap config
src/routes/oembed.$embedId.ts	Migrates to createFileRoute server handlers for oEmbed endpoint
src/routes/feeds.default[.]xml.ts	Updates Option usage to nullish and server handlers
src/routes/_blog/posts.$lang.$slug.tsx	Removes Option usage and adapts DateFormat/metadata
src/routes/__root.tsx	Updates server utilities and font link handling
src/router.tsx	Renames router factory to getRouter and removes old Register augmentation
src/routeTree.gen.ts	Regenerates tree for file routes; adds react-start Register typing and removes server tree
src/dev/post-pipeline.ts	Fixes sort comparator to use Option.fromNullable for optional dates
src/components/layout/layout.module.css	Fixes CSS variable name typo
src/components/inline/DateFormat.tsx	Simplifies API to nullable date
src/components/inline/DateFormat.stories.tsx	Updates stories to new DateFormat API
src/components/block/OembedFrame.tsx	Simplifies iframe title text (removes Date.now)
src/collections/posts/list/client.ts	Switches to inputValidator for server fn
src/collections/posts/item/client.ts	Switches to inputValidator for server fn
src/collections/about/server.ts	Switches to inputValidator for server fn
package.json	Bumps deps, switches build output to dist, updates start/deploy scripts
.github/workflows/pnpm-lint-and-publish.yml	Updates deployment root and entrypoint to dist/server/server.js
.github/renovate.json	Removes rule disabling @TanStack package updates

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