fix: add package.json to API runner stage for ESM detection; move web port to 3001

- API Dockerfile: copy API's package.json (with 'type': 'module')
  into runner so Node.js treats .js files as ESM
- docker-compose: change web host port from 3000 to 3001 to
  avoid conflict with local dev server

apps/api/Dockerfile

@@ -17,6 +17,7 @@ RUN pnpm build --filter @yetanother/api
 FROM node:22-alpine AS runner
 WORKDIR /app
 ENV NODE_ENV=production
+COPY --from=builder /app/apps/api/package.json ./package.json
 COPY --from=builder /app/apps/api/dist ./dist
 COPY --from=builder /app/node_modules ./node_modules
 COPY --from=builder /app/packages/db/prisma ./prisma

docker-compose.yml

@@ -52,7 +52,7 @@ services:
       context: .
       dockerfile: apps/web/Dockerfile
     ports:
-      - "3000:80"
+      - "3001:80"
     depends_on:
       - api