- Added timeout pause/resume control ops and helper to suspend idle timers during bridge work.
- Fixed TimeoutError on long delegated agent()/llm() calls by pausing timeout while silent.
- Updated IdleTimeout with reference-counted pauses, ignored checks while paused, and resumed fresh.
- Replaced heartbeat keepalives with timeout-control events in bridge paths and status routing.
- Changed eval timeout behavior from hard wall-clock deadlines to per-cell inactivity budgets in all executors.
- Added IdleTimeout watchdog support, including bumps on status/tool activity and timer cleanup after execution.
- Updated executor option plumbing to replace deadlineMs with idleTimeoutMs and emit inactivity timeout annotations.
- Added IdleTimeout and shared-executor tests and updated prompt/repl docs for the new timeout contract.
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