Render, validate, and apply Splunk Secure Gateway (Spacebridge) setup: enable or disable the splunk_secure_gateway app, Spacebridge outbound egress preflight, deployment settings and app-visibility runbooks, MDM instance-ID configuration, Private Spacebridge endpoint config, and mobile device registration runbooks. Use when the user asks to set up Splunk Secure Gateway, connect the Splunk mobile apps (Connected Experiences), configure Spacebridge or Private Spacebridge, enable or disable Secure Gateway, register devices, or prepare MDM distribution.