Make agent turns outcome-driven: soft-fail after signal, auto-cycle, resume-first.

Default Hirebase to lexical search; enable neural via HIREBASE_SEARCH_MODE.

Add lab observability for Hirebase search failures.

Enforce 24h Hirebase recency, relax over-filtered queries, surface raw errors.

Add agent observability (Redis run logs, lab debugger) and copy session export