DESIGN_STRATEGIST.md §5. Support resume from a crash mid-strategist-loop.
_resume_strategist_state inspects investigation_rounds for a tail entry
without completed_at — an "open" round, i.e. one that started but never
closed. Two repairs:
1. Mark the round closed with strategist_action="interrupted_resume"
so the run history reflects what actually happened.
2. Walk that round's leads; any still in "assigned" state are
re-marked as "failed" with failure_reason="interrupted before
complete". The Retry-failed-leads + Gap-analysis passes that run
after the strategist loop can pick them up.
Returns max(round_number) + 1 — the round at which to resume the loop.
On a clean graph (no prior rounds) returns 1 and makes no changes.
_phase3_strategist_loop now calls this helper before the main for-loop
and uses its return value as start_round, so a resume run lands at the
right round number rather than restarting from R1.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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