[web] Allow opening web without a valid config, and show UI to configure

[VaguelySerious]

The web app can now be opened without a valid config, and will show you all the configs/worlds you recently opened, and allows you to navigate back/forth easily. This is a step in the right direction IMO, and later we can add more tools to find/discover projects, automatically handle vc env pull issues, etc.

[vercel]

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Project	Deployment	Review	Updated (UTC)
example-nextjs-workflow-turbopack	Error		Dec 23, 2025 8:07pm
example-nextjs-workflow-webpack	Error		Dec 23, 2025 8:07pm
example-workflow	Error		Dec 23, 2025 8:07pm
workbench-astro-workflow	Error		Dec 23, 2025 8:07pm
workbench-express-workflow	Error		Dec 23, 2025 8:07pm
workbench-fastify-workflow	Error		Dec 23, 2025 8:07pm
workbench-hono-workflow	Error		Dec 23, 2025 8:07pm
workbench-nitro-workflow	Error		Dec 23, 2025 8:07pm
workbench-nuxt-workflow	Error		Dec 23, 2025 8:07pm
workbench-sveltekit-workflow	Error		Dec 23, 2025 8:07pm
workbench-vite-workflow	Error		Dec 23, 2025 8:07pm
workflow-docs	Error		Dec 23, 2025 8:07pm

[changeset-bot]

🦋 Changeset detected

Latest commit: 67b62db

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 5 packages

Name	Type
@workflow/cli	Patch
@workflow/web	Patch
workflow	Patch
@workflow/world-testing	Patch
@workflow/ai	Patch

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[github-actions]

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[github-actions]

🧪 E2E Test Results

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