fix: add ORIGIN environment variable for SvelteKit to prevent internal IP/port usage

docker-compose.yml

@@ -142,6 +142,8 @@ services:
       # CORS / CSRF — trusted origins para svelte.config.js
       - CORS_ORIGINS=${CORS_ORIGINS:-http://localhost:5173,http://localhost:3001}
       - TRUSTED_ORIGINS=${TRUSTED_ORIGINS:-}
+      # SvelteKit ORIGIN — evita que request.url.origin use la IP/puerto interno del contenedor
+      - ORIGIN=${ORIGIN:-http://localhost:5173}
     ports:
       - "5173:5173"
     depends_on: