Flock is an AI-powered group travel planner that replaces the broken group chat → poll → someone-just-books-it cycle. Each person gets a personal AI agent that learns their travel taste from text, voice, and photos — not just "beach or city" but textures, lighting, energy, budget tolerance, and aesthetic fingerprint via Gemini Vision embeddings. Agents then negotiate on behalf of each traveler in a live 3-round session: constraints, vision, and dealmakers. A mediator agent resolves conflicts using pgvector similarity matching against 194 pre-embedded hotels across 8 cities. The result: a personalized trip that genuinely satisfies everyone, revealed with a cinematic split-screen showing the negotiation timeline and each person's personalized card — including a "surprise" recommendation nobody asked for, derived purely from their photos. Built in 7 hours at Zero to Agent.
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