# Slice 1: Remaining MVP GUI Components

## Status

Complete

## Roadmap Alignment

This slice owns the **MVP GUI Components** function in `ROADMAP.md`. It is complete and has no remaining v0.1.0 gate. Styling follow-ups and Preview output sizing belong to Slice 2; additional component types and advanced Table capabilities are post-MVP.

## Objective

Implement every GUI component required by the MVP so each schema-supported component can be added, configured, rendered, used in Preview, and tested.

## Dependencies

- Existing canonical schema, component model, palette, canvas, property editor, and Preview patterns
- Slice 7 is required only if the AI decision changes component-generation scope

## In Scope

- Text Area, Checkbox, Radio Group, Status/Message Panel, and Container/Card
- Defaults, property controls, runtime behavior, bindings, diagnostics, examples, and tests

## Out of Scope

- Post-MVP widgets such as tabs, modals, charts, and file upload
- Visual action and binding authoring, which belongs to Slice 2

## Tasks

- [x] Define shared acceptance criteria and test patterns for component implementation.
- [x] Implement Text Area end-to-end.
- [x] Implement Checkbox end-to-end.
- [x] Implement Radio Group end-to-end.
- [x] Implement Status/Message Panel end-to-end.
- [x] Define and implement the minimum MVP Container/Card behavior and nesting rules.
- [x] Add component-specific binding support and diagnostics.
- [x] Add or update example projects for all five components.
- [x] Remove the schema/runtime mismatch for supported component types.
- [x] Update the roadmap, `CODEX.md`, and relevant documentation.

## Acceptance Criteria

- [x] All eleven MVP types can be added through the palette and render on the canvas and in Preview.
- [x] Properties use the canonical document and therefore survive JSON editing and persistence round trips.
- [x] Interactive values remain in runtime state, not canonical JSON.
- [x] Invalid option and binding configurations produce useful diagnostics.
- [x] Existing components and bindings continue to work.

## Validation

- [x] Frontend TypeScript check and production build pass.
- [x] Component and renderer tests pass.
- [x] Schema examples validate as expected.
- [x] Manual canvas, Preview, JSON synchronization, save/load, and regression checks pass for all components.

## Risks and Open Questions

- Container/Card needs a deliberately small nesting contract.
- Checkbox and Radio Group values must stay consistent across properties, runtime, templates, and bindings.
- Status/Message Panel needs a distinct contract from Label and JSON Viewer.

## Progress Log

- Added Text Area, Checkbox, Radio Group, Status Panel, and Container/Card to the shared type model, palette, canvas, defaults, property editor, and Preview.
- Kept all interactive input values in ephemeral Preview runtime state.
- Added response-mapped `.value` support for Text Area, Checkbox, Radio Group, and Status Panel.
- Defined Container/Card as a flat presentational card with title and body; nested component ownership is deferred beyond MVP.
- Added a representative schema fixture covering all five components.
- Added focused renderer and binding regression tests.
- Validation passed: 7 suites / 433 tests, frontend production build, backend TypeScript build, and the new schema fixture.
- User manual acceptance passed: startup, all five new component controls, Preview behavior, JSON synchronization, save/load persistence, and existing-component regression checks.

## Handoff

- Last completed: All Slice 1 GUI components and validation.
- Next action: Begin Slice 2 visual REST action, event, and binding configuration.
- Known blockers: None for Slice 1.