Dual-source nutrition system using BLS (German, primary) and USDA (English, fallback)
with ML embedding matching (multilingual-e5-small / all-MiniLM-L6-v2), hybrid
substring-first search, and position-aware scoring heuristics.
Includes per-recipe and global manual ingredient overwrites, ingredient skip/exclude,
referenced recipe nutrition (base refs + anchor tags), section-name dedup,
amino acid tracking, and reactive client-side calculator with NutritionSummary component.
