When __carPhoto URL pattern returns 404 (e.g., timestamp-based filenames
like 1767161441_0.jpg instead of cmcar_0.jpg), fall back to fetching
actual image URLs from /common/ajax/AutoDB.html?mode=view&key={car_key}
XML response (strPhotos field).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>