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builderx

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Last saved: May 10 at 9:11 AM PDT

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Designed and built the system. Architecture: Defined the JSON-Patch-template approach where the agent designs its own per-app tool implementations at bootstrap. Wrote the server-side apply_template interpreter that substitutes call args (<<argname>> placeholders) and applies the patches generically — no hand-coded domain handlers anywhere. Frontend (React 19 + Vite + Tailwind). Phone-frame shell, install animation, drag-resizable chat panel, full-history scroll, recursive 16-widget renderer (Recharts line/bar charts, Leaflet map with pinned cities, react-day-picker calendar, hand-rolled kanban + progress ring + contact card + status pill + day card + photo gallery + form), and the $.path and $BACKEND/... binding resolver that hot-swaps seed data with live data when a sandbox URL appears. Backend (FastAPI + Python 3.12, deps via uv). Bootstrap + mutate + backend-status routes; agent-loop integration; JSON-Patch template interpreter; universal applyDataPatch and editLayout tools; async Daytona provisioner with in-memory state machine and polling endpoint.
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