full-stack fitness platform I built end-to-end: AI food parsing, daily coaching reports, workout sessions, and a curated Tunisian food database — all under one roof. Key capabilities: - AI Chatbot: describe meals in plain language ("I had eggs and oatmeal"), the AI extracts structured food entries (name, calories, macros, meal type) and presents an editable receipt before saving. - Streaming AI Responses: SSE-based real-time partial rendering with structured XML tag parsing for food/exercise blocks and per-message editable drafts. - Calorie & Macro Tracking: daily targets computed from user