Features
Technical playbooks for the complex subsystems that power the product.
Implementation-level documentation for the systems that wire the state machines into a working product. Where State machines answers "what are the rules," this section answers "how is it actually built."
Commerce Engine
How a purchase happens. Checkout pipeline walks the 9 validation steps before payment. Payments & anti-fraud covers the Pagar.me integration.
Financial Operations
How money settles. Payout lifecycle maps eligibility claims to state transitions.
Media Pipeline
How images get from camera to storefront. Image upload architecture covers the draft-first upload model with AI analysis and LQIP generation.
Observability
How we see what's happening in production. Observability documents the Sentry wiring for errors, logs, and traces.