Syst.md

Syst.md is a voice-driven tool that turns a spoken system design conversation into both a structured Markdown spec and a live 3D architecture diagram. You talk to a conversational AI auditor (Gemini Live, real-time audio) that walks you through four sections in order: goals, architecture, components, and data flow. After each section is confirmed, the auditor red-teams it with one sharp critique, a failure mode, scaling cliff, or security gap, forcing you to harden the design before moving on. As sections are confirmed, DESIGN.md is written incrementally and a separate interpreter agent (Gemini structured output, Zod-validated) generates a spec that drives a Three.js scene with per-type shapes, ELK-laid-out edges, and particle animations showing data flow direction. The 3D diagram updates progressively after every section so you watch your architecture build itself in real time, with a 2D/3D view toggle and fullscreen. This solves three problems at once: design conversations are usually unrecorded, adversarial thinking is rarely applied during early design, and architecture diagrams are typically static drawings made hours after the discussion all three happen automatically as you talk. The final output is a hardened DESIGN.md plus an interactive 3D visualization of the system you described, produced in a single conversational session.

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