Method Prune

pkg/memory/logic/store_inmemory.go:226–267

Prune 清理低价值 Memory

(ctx context.Context, criteria PruneCriteria)

// Prune 清理低价值 Memory
func (s *InMemoryStore) Prune(ctx context.Context, criteria PruneCriteria) (int, error) {
	s.mu.Lock()
	defer s.mu.Unlock()

	if s.closed {
		return 0, ErrStoreClosed
	}

	var toDelete []string
	now := time.Now()

	for storeKey, memory := range s.memories {
		shouldPrune := false

		// 置信度过低
		if memory.Provenance != nil && memory.Provenance.Confidence < criteria.MinConfidence {
			shouldPrune = true
		}

		// 太久未访问
		if criteria.SinceLastAccess > 0 && now.Sub(memory.LastAccessed) > criteria.SinceLastAccess {
			shouldPrune = true
		}

		// 访问次数过少且年龄过大
		if criteria.MinAccessCount > 0 && criteria.MaxAge > 0 {
			if memory.AccessCount < criteria.MinAccessCount && now.Sub(memory.CreatedAt) > criteria.MaxAge {
				shouldPrune = true
			}
		}

		if shouldPrune {
			toDelete = append(toDelete, storeKey)
		}
	}

	for _, key := range toDelete {
		delete(s.memories, key)
	}

	return len(toDelete), nil
}

// Close 关闭存储
func (s *InMemoryStore) Close() error {