Agent now extracts content between --- markers so LLM preamble/postamble
is discarded. ebay_description prompt updated for commercial listings:
no private-sale language, condition explicitly "gebraucht", 1 year
gesetzliche Gewährleistung. Device label now includes modelName.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
