Method GetPreference

pkg/memory/preference.go:190–208

GetPreference 获取偏好

(
	ctx context.Context,
	userID string,
	category PreferenceCategory,
	key string,
)

// GetPreference 获取偏好
func (pm *PreferenceManager) GetPreference(
	ctx context.Context,
	userID string,
	category PreferenceCategory,
	key string,
) (*Preference, error) {
	pm.mu.RLock()
	defer pm.mu.RUnlock()

	pref := pm.findExistingPreference(userID, category, key)
	if pref == nil {
		return nil, errors.New("preference not found")
	}

	// 更新访问计数
	pref.AccessCount++

	return pref, nil
}

// ListPreferences 列出用户的所有偏好
func (pm *PreferenceManager) ListPreferences(