[pull] main from ueberdosis:main - #187

* chore: migrate from individual setup to vite-plus

* chore: fix ts errors

* fix: fix problems found in migration

* fix: correctly setup pnpm on ci

* chore(deps): migrate demos and root to vite-plus

- Replace vite with vite-plus in demos and root packages
- Update svelte, vite plugins, and typescript dependencies
- Update vite.config.ts for vite-plus compatibility
- Remove @vitest/ui from root devDependencies

* ci: simplify pipeline and adjust dependencies

- Remove restore-build action and artifact handling
- Reorder pnpm store configuration in setup-env
- Change build job dependencies to install-node-dependencies
- Remove cache setting from publish workflow jobs

* ci: add package exports check

* refactor: extend package export check to deprecated packages

* style: fix formatting on check-package-exports.mjs

* chore: drop dead overrides block from root package.json

* chore: validate all package export targets

* chore: drop dead tests_backup filter from staged hook

* chore: document vendored vite fork in workspace config

* fix(core): add prosemirror-model devDep for duplication specs

* chore: exclude all tiptap packages from minimum release age filters

* chore: switch build and tests to vite-plus

- Update package builds, scripts, and test imports
- Refresh CI caching and workspace configuration
- Remove obsolete Changesets patches

* Update .github/actions/setup-env/action.yml

Co-authored-by: MK (fengmk2) <fengmk2@gmail.com>

* update lock-file

* chore(ai-toolkit): add streaming reveal entry point

* test(find-and-replace): extend replacement test timeout

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Co-authored-by: MK (fengmk2) <fengmk2@gmail.com>