fix: 去掉 Playwright 国内镜像，改用官方源安装 Chromium

Dockerfile

@@ -10,11 +10,10 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 
 COPY pyproject.toml uv.lock ./
 
-# 配置 pip/uv 使用阿里云镜像，Playwright 使用 npmmirror 镜像，使用系统 Python
+# 配置 pip/uv 使用阿里云镜像，使用系统 Python
 ENV PIP_INDEX_URL=https://mirrors.aliyun.com/pypi/simple/
 ENV UV_INDEX_URL=https://mirrors.aliyun.com/pypi/simple/
 ENV UV_PYTHON_PREFERENCE=system
-ENV PLAYWRIGHT_DOWNLOAD_HOST=https://npmmirror.com/mirrors/playwright/
 
 RUN pip install --no-cache-dir uv && \
     uv sync --frozen --no-dev
@@ -22,7 +21,7 @@ RUN pip install --no-cache-dir uv && \
 COPY . .
 
 # 安装 Playwright Chromium 浏览器（Crawl4AI 依赖）
-RUN .venv/bin/python -m playwright install chromium
+RUN .venv/bin/python -m playwright install --with-deps chromium
 
 RUN chmod +x entrypoint.sh
 ENTRYPOINT ["./entrypoint.sh"]