refactor: Update Dockerfile and Docker Compose configuration for improved build process and add Svelte 5.28.2 dependency

compose.dev.yml

@@ -9,6 +9,7 @@ services:
       - "35729:35729"
     volumes:
       - ./:/app
+    working_dir: /app
     environment:
       - NODE_ENV=development
       - CHOKIDAR_USEPOLLING=true