- present() = presentBlockingWidget: transport + no-limbo loop + response
validation; both branches share validateUiResponse; the id invariant must be
validated explicitly in the TUI branch (emitAndWait no longer runs there)
- TUI renderer uses numbered options + index parsing, never label mapping
(frontend already answers with ids); artifact-gate editor is viewer-only,
returned content ignored
- guards resolved: both TUI-only notices now ctx.mode === "tui"
- interactive-render.js as two layers (renderTuiDescriptor +
validateSyntheticResponse); add negative test cases + a real TUI smoke
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>