fix listing parsing

Dockerfile

@@ -13,8 +13,9 @@ RUN pip install --no-cache-dir uv \
     && pip install --no-cache-dir -r /tmp/requirements.txt \
     && pip install --no-cache-dir playwright-stealth
 
-# Install Firefox browser (headless-friendly, bypasses Incapsula)
-RUN python -m playwright install firefox
+# Install both Chromium and Firefox. Chromium is the default engine in Docker
+# because it works more reliably with the current IAAI listing page.
+RUN python -m playwright install chromium firefox
 
 COPY . .
 RUN pip install --no-cache-dir -e .