Stack Layers
- Gateway: kannel environment + protocol behavior
- Transport: WBXML and constrained transport APIs
- Engine: Rust/WASM WML parser, runtime, layout, navigation
- Desktop Host: simulator harness and integration adapters
Current Focus
- Deterministic deck/card navigation semantics
- Stable wasm contract for host integration
- Repeatable fixture-driven engine behavior
- Manual and scripted validation through simulator timelines
Simulator
The simulator includes curated fixtures, metadata-driven acceptance checklists, runtime state snapshots, and per-example event tracking with export.