Extracted from host-uk/core/cmd/core-app/ into a reusable package.
Provides:
- Handler: http.Handler serving PHP via in-process FrankenPHP
- Extract: embed.FS to temp dir extraction for PHP runtime
- PrepareEnvironment: .env, SQLite, persistent storage setup
- Bridge: localhost HTTP API for PHP → Go communication
Requires CGo + PHP headers. Build with: -tags nowatcher
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
