Removes the duplicate log setup from cli/cmd/root.go that was reading
AWP_LOG_FILE — log file config now lives only in each binary's main.go.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
A missing .env file no longer causes a fatal error. Env vars can now
come from the container environment (Docker/systemd) or a .env file
interchangeably.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>