feat: 主题切换 + 浅色模式适配，SFTP/批量命令/Webhook/仪表盘全面升级

docker/Dockerfile

@@ -5,10 +5,10 @@ FROM node:20-alpine AS frontend
 COPY docker/.npmrc /root/.npmrc
 WORKDIR /app
 
-COPY frontend/package.json frontend/package-lock.json ./
+COPY frontend-v2/package.json frontend-v2/package-lock.json ./
 RUN npm ci --prefer-offline --no-audit
 
-COPY frontend/ ./
+COPY frontend-v2/ ./
 RUN npm run build
 
 # ========== 阶段二：后端构建（国内 Maven 源） ==========
@@ -40,8 +40,8 @@ WORKDIR /app
 
 COPY --from=backend /build/target/*.jar app.jar
 
-ENV DATA_DIR=/app/data
-RUN mkdir -p ${DATA_DIR}/upload-temp
+ENV DATA_DIR=/app/data
+RUN mkdir -p ${DATA_DIR}/upload-temp
 
 EXPOSE 48080