Include cloud auth provider

[jeroenrinzema]

This PR includes the cloud auth provider allowing users to sign in and create a organization if one does not exist.

[Copilot]

Pull Request Overview

This PR introduces cloud authentication provider integration using Clerk, allowing users to sign in and automatically create organizations when none exist. The changes remove the multi-organization functionality and simplify the authentication flow.

• Added CloudAuthProvider with Clerk integration for user authentication and webhook handling
• Replaced multi-auth provider with cloud auth provider in configuration and routing
• Simplified organization creation and removed domain-based organization lookup

Reviewed Changes

Copilot reviewed 34 out of 36 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
services/ui/src/views/router.tsx	Adds new login callback route for cloud auth
services/ui/src/views/auth/LoginCallback.tsx	New component handling cloud auth callbacks
services/ui/src/views/auth/Login.tsx	Integrates Clerk SignIn component and refactors auth handlers
services/ui/src/index.tsx	Wraps app with ClerkProvider when publishable key is available
services/ui/src/api.ts	Adds cloudAuth method and removes logout functionality
services/platform/src/auth/CloudAuthProvider.ts	New cloud auth provider with Clerk integration
services/platform/src/auth/AuthMiddleware.ts	Enhanced JWT verification with JWKS support
services/platform/src/organizations/OrganizationService.ts	Simplified organization creation removing domain/username logic
services/platform/src/config/env.ts	Updated auth configuration for cloud provider
services/platform/db/migrations/	Database migrations for admin external_id and organization schema changes

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

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