feat: add explicit Chrome installation and pre-download chromedriver in Docker build

Dockerfile

@@ -1,8 +1,8 @@
-FROM python:3.12-slim
+FROM --platform=linux/amd64 python:3.12-slim
 
 COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/
 
-# Install system dependencies for Chrome / SeleniumBase
+# Install system dependencies + Google Chrome
 RUN apt-get update && apt-get install -y --no-install-recommends \
     wget \
     gnupg2 \
@@ -23,6 +23,9 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     libxdamage1 \
     libxrandr2 \
     xdg-utils \
+    && wget -q -O /tmp/google-chrome.deb https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb \
+    && apt-get install -y --no-install-recommends /tmp/google-chrome.deb \
+    && rm /tmp/google-chrome.deb \
     && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app
@@ -40,6 +43,9 @@ COPY . /app
 RUN --mount=type=cache,target=/root/.cache/uv \
     uv sync --locked
 
+# Pre-download chromedriver matching installed Chrome
+RUN uv run python -c "from seleniumbase import Driver; d = Driver(uc=True, headless=True); d.quit()"
+
 ENV HEADLESS_BROWSER=True
 ENV PORT=4001