Drops the comfyui, downloader-comfyui, open-webui, lazytainer and neo4j services with their volumes, env keys and update.sh steps, plus scripts/switch-model.sh and the two image-generation research docs. Refs #55 (removal inventory #58, intent vs. source #63) Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>