Build an AI wedding planning platform with: AI budget allocator that distributes spending across categories based on priorities, vendor directory with AI matching based on style, budget, and location, guest list manager with RSVP tracking and meal preferences, AI seating chart generator that optimizes table arrangements based on relationships, wedding day timeline generator with vendor coordination, checklist and task management with AI-suggested deadlines, mood board and inspiration gallery, registry integration, and sharing capabilities for the wedding party.