What
A new SDK configuration option that omits per-user dynamic sections from the cached system prompt.
Details
- When
true, working directory, auto-memory path, and other user-specific content are excluded from the system prompt and re-injected as the first user message instead - Lets cross-user prompt caching hit on a shared static prefix, significantly improving cache efficiency in multi-tenant deployments
- New
redirectedContextTokensfield in the token usage response tracks how many tokens were redirected
Evidence
Schema property with full description (search for "omit per-user dynamic sections")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.