fix: 使用系统 Chromium 替代 Playwright 下载，解决国内构建慢问题

Dockerfile

@@ -6,6 +6,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     build-essential \
     curl \
     libpq-dev \
+    chromium \
     && rm -rf /var/lib/apt/lists/*
 
 COPY pyproject.toml uv.lock ./
@@ -20,8 +21,8 @@ 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 --with-deps chromium
+# 安装 Playwright 系统依赖（不下载 Chromium，使用系统 chromium 包）
+RUN .venv/bin/python -m playwright install-deps chromium
 
 RUN chmod +x entrypoint.sh
 ENTRYPOINT ["./entrypoint.sh"]

app/spider/engine.py

@@ -42,6 +42,7 @@ class GenericSpiderEngine:
             headless=True,
             verbose=False,
             java_script_enabled=True,
+            channel="chromium",
         )
         run_config = CrawlerRunConfig(
             cache_mode=CacheMode.BYPASS