v2.0.30

What's Changed

• ci: provision hosted extension sandbox by @khaliqgant in #557
• feat(sdk): isolate hosted Babysitter capability by @khaliqgant in #552
• port(drive-cloud): emit the tick as a v2 kernel spec by @AgentRelayBot in #455
• fix(sdk): judge fenced llm replies by their content; resume past a predicate gate by @khaliqgant in #558

Full Changelog: v2.0.29...v2.0.30