SUBSTRATE — System Design

10 components · 11 links · 3 zones

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Legend
  • Standard node
  • External / inferred (dashed)
  • Database / persistent store
  • Load balancer / proxy
  • Zone band (small-caps title)
  • Link / dependency
  • Data flow (dashed)
  • Bidirectional (request/response)

Inferred components — evidence

  1. No backend — every scale's geometry is procedural and its scale copy is compiled into the bundle (src/data/scales.ts).
  2. Scale stages are built lazily as the zoom crosses each boundary; the previous stage is disposed to keep GPU memory bounded.
  3. The DPR ladder steps down render resolution on weak GPUs to hold framerate, then recovers when frame headroom returns.