Update project structure and enhance frontend functionality

- Added a new AGENTS.md file to document the project structure and conventions.
- Updated .gitignore to include node_modules and refined cursor rules.
- Introduced new backend and frontend components for improved map interactions, including context menus and controls.
- Enhanced API composables for better admin and authentication functionalities.
- Refactored existing components for cleaner code and improved user experience.
- Updated README.md to clarify production asset serving and user setup instructions.

internal/app/admin_merge.go

@@ -13,6 +13,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/andyleap/hnh-map/internal/app/store"
 	"go.etcd.io/bbolt"
 )
 
@@ -48,27 +49,27 @@ func (a *App) merge(rw http.ResponseWriter, req *http.Request) {
 	newTiles := map[string]struct{}{}
 
 	err = a.db.Update(func(tx *bbolt.Tx) error {
-		grids, err := tx.CreateBucketIfNotExists([]byte("grids"))
+		grids, err := tx.CreateBucketIfNotExists(store.BucketGrids)
 		if err != nil {
 			return err
 		}
-		tiles, err := tx.CreateBucketIfNotExists([]byte("tiles"))
+		tiles, err := tx.CreateBucketIfNotExists(store.BucketTiles)
 		if err != nil {
 			return err
 		}
-		mb, err := tx.CreateBucketIfNotExists([]byte("markers"))
+		mb, err := tx.CreateBucketIfNotExists(store.BucketMarkers)
 		if err != nil {
 			return err
 		}
-		mgrid, err := mb.CreateBucketIfNotExists([]byte("grid"))
+		mgrid, err := mb.CreateBucketIfNotExists(store.BucketMarkersGrid)
 		if err != nil {
 			return err
 		}
-		idB, err := mb.CreateBucketIfNotExists([]byte("id"))
+		idB, err := mb.CreateBucketIfNotExists(store.BucketMarkersID)
 		if err != nil {
 			return err
 		}
-		configb, err := tx.CreateBucketIfNotExists([]byte("config"))
+		configb, err := tx.CreateBucketIfNotExists(store.BucketConfig)
 		if err != nil {
 			return err
 		}
@@ -114,7 +115,7 @@ func (a *App) merge(rw http.ResponseWriter, req *http.Request) {
 					}
 				}
 
-				mapB, err := tx.CreateBucketIfNotExists([]byte("maps"))
+				mapB, err := tx.CreateBucketIfNotExists(store.BucketMaps)
 				if err != nil {
 					return err
 				}