Revalidate control policy per turn, isolate downstream credentials, and make planner/turn ownership cancellation-safe.
Preserve opaque protocol events, align configurable timeout semantics, and extend end-to-end security and settlement coverage.
Preserve exact request payloads and model client surface and API operation explicitly.
Add Anthropic compatibility profiles, bounded stream commitment, and scoped OAuth retry behavior across provider transports.
Shard and singleflight hot-path caches, batch and prioritize candidate and usage lifecycle persistence, and extend database and pressure-test instrumentation for 20k concurrent streams.
ZheFox