package modelstore

import "sync"

// Store keeps the globally selected AI model in memory.
type Store struct {
	mu       sync.RWMutex
	selected string
}

// New constructs an empty in-memory model store.
func New() *Store {
	return &Store{}
}

// Get returns the currently selected model, or empty for default behavior.
func (s *Store) Get() string {
	s.mu.RLock()
	defer s.mu.RUnlock()
	return s.selected
}

// Set updates the currently selected model.
func (s *Store) Set(model string) {
	s.mu.Lock()
	defer s.mu.Unlock()
	s.selected = model
}