Function pruningExample

examples/logic-memory/main.go:382–451

pruningExample demonstrates memory pruning

(ctx context.Context)

// pruningExample demonstrates memory pruning
func pruningExample(ctx context.Context) {
	fmt.Println("--- Example 5: Memory Pruning ---")

	store := logic.NewInMemoryStore()
	manager, _ := logic.NewManager(&logic.ManagerConfig{Store: store})

	// Create memories with varying quality
	now := time.Now()
	memories := []*logic.LogicMemory{
		{
			Namespace:    "user:eve",
			Key:          "high_quality",
			Description:  "High confidence, recently accessed",
			Provenance:   &memory.MemoryProvenance{Confidence: 0.9},
			AccessCount:  10,
			LastAccessed: now,
			CreatedAt:    now.Add(-24 * time.Hour),
		},
		{
			Namespace:    "user:eve",
			Key:          "low_confidence",
			Description:  "Low confidence memory",
			Provenance:   &memory.MemoryProvenance{Confidence: 0.3},
			AccessCount:  1,
			LastAccessed: now.Add(-48 * time.Hour),
			CreatedAt:    now.Add(-72 * time.Hour),
		},
		{
			Namespace:    "user:eve",
			Key:          "old_unused",
			Description:  "Old and rarely accessed",
			Provenance:   &memory.MemoryProvenance{Confidence: 0.6},
			AccessCount:  0,
			LastAccessed: now.Add(-168 * time.Hour), // 7 days ago
			CreatedAt:    now.Add(-240 * time.Hour), // 10 days ago
		},
	}

	for _, m := range memories {
		_ = store.Save(ctx, m)
	}

	fmt.Printf("Created %d memories\n", len(memories))

	// Define pruning criteria
	criteria := logic.PruneCriteria{
		MinConfidence:   0.5,             // Remove if confidence < 50%
		SinceLastAccess: 72 * time.Hour,  // Remove if not accessed in 3 days
		MinAccessCount:  1,               // Minimum access count to keep
		MaxAge:          168 * time.Hour, // Maximum age: 7 days
	}

	// Execute pruning
	count, err := manager.PruneMemories(ctx, criteria)
	if err != nil {
		log.Fatalf("Failed to prune: %v", err)
	}