Function notifyCacheDeletion

src/services/api/promptCacheBreakDetection.ts:673–682

(
  querySource: QuerySource,
  agentId?: AgentId,
)

 * expected, not a cache break.
 */
export function notifyCacheDeletion(
  querySource: QuerySource,
  agentId?: AgentId,
): void {
  const key = getTrackingKey(querySource, agentId)
  const state = key ? previousStateBySource.get(key) : undefined
  if (state) {
    state.cacheDeletionsPending = true
  }
}

/**
 * Call after compaction to reset the cache read baseline.