fix(deploy): serialize production frontend build

deploy/volcengine-102/Dockerfile

@@ -11,6 +11,8 @@ RUN npm run build
 FROM python:3.11.15-slim-bookworm AS runtime
 WORKDIR /app
 
+COPY --from=frontend-build /app/frontend/web/dist ./frontend/web/dist
+
 ARG BUILD_COMMIT=unknown
 ARG BUILD_TIME=unknown
 ENV AGENTEVAL_BUILD_COMMIT=${BUILD_COMMIT}
@@ -37,7 +39,6 @@ COPY backend ./backend
 
 RUN pip install --no-cache-dir -e .
 
-COPY --from=frontend-build /app/frontend/web/dist ./frontend/web/dist
 COPY config/config.example.json ./config/config.json
 RUN mkdir -p ./data/scenarios ./data/reports