The SDK now exposes a startup failure reason for unavailable required sandboxes, a setting that blocks writes outside working directories, and an alpha prewarm(). It also fixes settings leaking in from files excluded via settingSources.
Terms in this piece · Glossary
AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.
sandbox — An isolated environment where AI-generated code or agent actions run without being able to touch anything real.
