chore: pivot to Wordbench — remove Originmain codebase, add PRD

Clears the prior AI design-engineering product and replaces the repo with the Wordbench (agentic WordPress development environment) PRD.

.env.example

@@ -1,31 +0,0 @@
-# Supabase — get from https://supabase.com/dashboard/project/<project>/settings/api
-NEXT_PUBLIC_SUPABASE_URL=
-NEXT_PUBLIC_SUPABASE_ANON_KEY=
-SUPABASE_SERVICE_ROLE_KEY=
-
-# Anthropic — https://console.anthropic.com/settings/keys
-# Never expose this in the browser bundle — server-side only
-ANTHROPIC_API_KEY=
-
-# Clerk — https://dashboard.clerk.com
-# NOTE: the publishable key MUST use the NEXT_PUBLIC_ prefix so Clerk initialises
-# on the client side. The secret key is server-only and must NOT have the prefix.
-NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY=
-CLERK_SECRET_KEY=
-
-# Agent Bridge — used to sign/verify workspace tokens for IDE integrations (Cursor, Claude Code).
-# Generate with: openssl rand -hex 32
-AGENT_BRIDGE_SECRET=
-
-# Liveblocks (Phase 3) — https://liveblocks.io/dashboard
-LIVEBLOCKS_SECRET_KEY=
-
-# Webhook secrets — set these in each integration's dashboard
-LINEAR_WEBHOOK_SECRET=
-SLACK_BOT_TOKEN=
-SLACK_SIGNING_SECRET=
-GITHUB_WEBHOOK_SECRET=
-INTERCOM_WEBHOOK_SECRET=
-
-# App base URL
-NEXT_PUBLIC_APP_URL=http://localhost:3000