Research index replaces brief end to end.research-index.md (Summary/Outputs/Opportunities) with native round files; output contracts (single/variant/composite + JTBD substeps) in the strategy registry; missing substeps surface on the card.
bb stelow fan-out. Opportunity-ID-only fan-out from workers (RPC re-validates); prompt discipline requires structured user confirmation first.
Ask persist robustness. Persist errors are logged with card/thread context; one retry on lock contention; regression tests; operator runbook in README.
bb stelow advance --dry-run/--json, bb stelow schema. Exit codes pass through instead of collapsing.