Allow new provider runs to continue without an arbitrary lifetime turn budget while preserving explicit limits, checkpoint compatibility, and bounded retries. Keep pending tool proposals visibly queued until execution status arrives, and show cancellation only when supported by actual state.
Validation: formatting, inline test-layout checks, both presubmit Clippy commands, 325 targeted regressions, and 54 core tests after final cleanup passed.
rkw6086
73d6839ee9