Update frontmatter and footer navigation for dairy, frozen food,
household essentials, and snacks posts to match the cereal post series
format. Sets consistent series name "The Shrinkflation Files", correct
part numbers (2–5), and properly linked prev/next nav footers.
Refs: CAR-157, CAR-114
Co-authored-by: Frontend Frankie <frankie@cartsnitch.com>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
Copy 10 marketing content files from the cmo/content-phase1 branch
of cartsnitch/agents into content/marketing/, preserving the
blog/, email/, and social/ subdirectory structure.
Co-Authored-By: Paperclip <noreply@paperclip.ing>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
cartsnitch-engineer[bot]