graph

type Entity struct {
	ID        string         `json:"id"`
	Name      string         `json:"name"`
	Type      string         `json:"type"` // person | project | technology | concept | file | decision
	MemoryIDs []string       `json:"memory_ids"`
	Metadata  map[string]any `json:"metadata,omitempty"`
	CreatedAt time.Time      `json:"created_at"`
	UpdatedAt time.Time      `json:"updated_at"`
}

type EntityStore interface {
	UpsertEntity(ctx context.Context, entity *Entity) error
	GetEntity(ctx context.Context, id string) (*Entity, error)
	FindEntities(ctx context.Context, query string, limit int) ([]*Entity, error)
	UpsertRelation(ctx context.Context, rel *Relation) error
	GetRelations(ctx context.Context, entityID string) ([]*Relation, error)
	GetNeighbors(ctx context.Context, entityID string, depth int) ([]*Entity, []*Relation, error)
}

type InMemoryGraph struct {
	// contains filtered or unexported fields
}

type Relation struct {
	ID        string    `json:"id"`
	FromID    string    `json:"from_id"`
	ToID      string    `json:"to_id"`
	Type      string    `json:"type"` // uses | depends_on | created_by | related_to | supersedes | part_of
	Weight    float64   `json:"weight"`
	MemoryIDs []string  `json:"memory_ids"`
	CreatedAt time.Time `json:"created_at"`
}

type Triple struct {
	Subject   string `json:"subject"`
	Predicate string `json:"predicate"`
	Object    string `json:"object"`
	MemoryID  string `json:"memory_id"`
}