OptionalstrategyPeriodic strategy snapshot (#1270). Set when the cadence trigger
fires AND the user has crossed STRATEGY_MIN_PRS. The action-menu
renderer in commands/oss.md reads this; absent or null on runs
where the gate stays silent.
Non-fatal warnings from ancillary pipeline phases — see #1042.
Internal result of the daily check, using full (non-deduplicated) types. Consumed by printDigest() (text mode) and converted to DailyOutput (JSON mode) via toDailyOutput() which deduplicates PR objects.