fix: install deps on container start (anonymous volumes mask host dirs)

docker-compose.yml

@@ -8,6 +8,7 @@ services:
     container_name: pp-planer-app
     restart: unless-stopped
     working_dir: /app
+    command: sh -c "composer install --no-interaction && php-fpm"
     environment:
       - APP_ENV=${APP_ENV}
       - APP_DEBUG=${APP_DEBUG}
@@ -45,7 +46,7 @@ services:
       - "5173:5173"
     networks:
       - pp-planer-network
-    command: npm run dev
+    command: sh -c "npm install && npm run dev"
 
   # Optional: SQLite database service (for reference, SQLite runs in-process)
   # For MySQL, uncomment and configure: