fix: install playwright globally to fix build failure

Dockerfile

@@ -42,10 +42,10 @@ RUN apt-get update && \
     libdrm2 libxkbcommon0 libatspi2.0-0 libcups2 libxshmfence1 libgbm1 && \
     rm -rf /var/lib/apt/lists/*
 
-# Install agent-browser and set up Playwright Chromium
-RUN npm install -g agent-browser@latest
-RUN npx playwright install chromium --with-deps
+# Install agent-browser and Playwright
+RUN npm install -g agent-browser@latest playwright
 ENV PLAYWRIGHT_CHROMIUM_EXECUTABLE_PATH=/usr/bin/chromium
+ENV PLAYWRIGHT_BROWSERS_PATH=/root/.cache/ms-playwright
 
 # Install agent-browser skill from ClawHub
 RUN npx -y clawhub@latest install agent-browser --force || echo "agent-browser skill install attempted"