fix: search debounce, local dev, bump fumadocs

[dcrawbuck]

Updates fumadocs-core, fumadocs-ui, and fumadocs-mdx to the latest published versions and refreshes bun.lock.
Adds a 500ms debounce to the docs search dialog and excludes @tanstack/start-client-core and @tanstack/start-storage-context from Vite dep prebundling to avoid the local-dev search regression caused by node:async_hooks leaking into the browser bundle.
Replaces the removed fumadocs-ui/utils/cn import in SdkLatestVersion with the repo-local helper.
Validation: bun test and bun run build:cf.

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Note

Medium Risk
Medium risk due to dependency upgrades (fumadocs-*, shiki, framer-motion) and Vite optimizeDeps.exclude changes that can affect local dev bundling and search behavior.

Overview
Updates docs dependencies by bumping fumadocs-core, fumadocs-ui, and fumadocs-mdx (and refreshes bun.lock), pulling in related version updates like shiki and framer-motion.

Improves docs search behavior by adding a 500ms debounce to useDocsSearch and prevents a local-dev regression by excluding @tanstack/start-client-core and @tanstack/start-storage-context from Vite dependency prebundling.

Fixes a broken import caused by upstream changes by switching SdkLatestVersion to use the repo-local cn helper (@/lib/utils).

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[linear]

SW-4988 [docs] fix search

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	superwall-docs-staging	6f7101f	Commit Preview URL Branch Preview URL	Apr 04 2026, 12:28 AM

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