Function planPromotions

planPromotions(
stats: OverflowKeyStats[],
opts?: PromotionPlanOptions,
): PromotionCandidate[]
Plans which overflow keys to promote to real columns. Pure; deterministic (sorted by key).
Parameters
- stats: OverflowKeyStats[]
  per-key coverage statistics from the overflow scan
- opts: PromotionPlanOptions = {}
  coverage threshold + the set of already-existing column names
Returns PromotionCandidate[]
the promotion candidates, sorted by key for stable, replayable output
- Defined in Integration/engine/src/CustomColumnPromotion.ts:111