Core · Architecture
Core principle — See Jeston as a set of lifecycle contracts with replaceable platform edges.A clear ownership map for compiler, router, request context, renderer, and adapters.
Key concepts
Lifecycle
Framework
Policy
Application
Protocol
Adapter
Boundary model
Ownership matrix
Engineering considerations
Architectural boundaries determine whether a heavy workload can be cancelled, measured, moved, or scaled.Design constraint Portability is achieved by making ownership explicit, not by removing all abstractions.
Implementation notes
Decision lens
Related topics
- route · Trace route selection — Read the focused guide for this boundary.
- stream · Trace execution — Read the focused guide for this boundary.
- puzzle-piece · Design adapters — Read the focused guide for this boundary.