Stands up an isolated data root, seeds a single sample endpoint, opens
the service in its own window, then launches the GUI with the matching
WEBHOOKSERVER_DATA environment variable. Refuses to run from a
non-elevated shell since the admin pipe is ACL'd to SYSTEM and
Administrators only.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
