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CivitAI serves a re-encoded, metadata-free optimized rendition as the recipe preview, so the ComfyUI workflow embedded in the original image was dropped: imported recipes reported has_workflow=false and never offered "Send Workflow to ComfyUI" even when the source image carried one. Recover the workflow from the original rendition and carry it to the save step as data, so the stored preview stays the small optimized image: - ExifUtils: embed a caller-supplied workflow during optimize_image's single encode pass, and add embed_workflow() to patch WebP EXIF in place (used by the verbatim skip_optimize branch and as a safety net). - RecipePersistenceService.save_recipe: embed metadata["workflow"] before detecting has_workflow. - analyze_remote_image: return the workflow recovered from the original rendition it already downloads for EXIF parsing. - RecipeManagementHandler: add _fetch_original_media() and workflow helpers; _do_import_from_url reuses them, and _do_import_remote_recipe fetches the original only when CivitAI reports a ComfyUI payload (meta.comfy) so workflow-less images pay no extra bandwidth. - Batch URL imports and the import modal forward the recovered workflow. Verified against the reported image: has_workflow flips from false to true and the recovered workflow matches the original (25 nodes, same graph id).