Format: {domain}_{lang}_{YYYY-MM}_{job_id}.zim
Prevents zimwriterfs failures when the same domain is scraped
multiple times in the same month.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
SingleFile CLI has no --crawl-delay option. The invalid flag caused the
process to print help and exit with no output. Added --crawl-no-parent
and --crawl-replace-URLs instead. Removed unused crawl_delay config key.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>