Acceptance
Definition of done
- Historical keypad/softkey traversal is deterministic; optional tabindex is capability-declared and tested when enabled.
Outputs
Artifacts to create or change
Input/select focus, masks, tabindex, and commit behavior
Evidence
How closure is proven
cargo test --manifest-path engine-wasm/engine/Cargo.tomlcargo test --manifest-path browser/src-tauri/Cargo.toml