Validates all required env vars at runtime with zod schemas.
Skips validation during build via SKIP_ENV_VALIDATION flag.
Replaces scattered process.env access with typed env imports.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Turbo was stripping env vars during build on Vercel. Added all required
vars to turbo.json build task. Also hardened Supabase and BetterAuth
init with fallback placeholders for build-time safety.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Replaces usage of the Asset type with AssetInput across editor components and hooks for consistency with core types. Adds default dimensions fallback for asset placement logic. Refactors UI primitives (button, sidebar, opacity control) to support forwarding refs and asChild prop, and updates imports for primitives. Updates Radix UI dependencies in package.json and bun.lock.
