# Phase 7 Plan: Web App Shell and Diagnostic Start

**Status:** Ready for execution
**Phase Goal:** Create a working diagnostic web app shell.

## Tasks

### 1. Serve embedded web app

- Add `internal/webapp`.
- Embed static app assets.
- Register root and asset routes through the existing Go server.

### 2. Build diagnostic UI

- Add setup form for user id, target role, stack, and interview timeline.
- Create diagnostic session through the real API.
- Show returned questions.

### 3. Build answer and grading UI

- Let user select a question.
- Submit answer through the real API.
- Show overall grade, scores, follow-up, and evidence.

### 4. Verify

- Add HTTP tests for root web app and asset serving.
- Run Go tests, OpenSpec validation, line-count check.
- Smoke the rendered app endpoint and diagnostic API flow.

## Out of Scope

- Frontend build tooling.
- Authentication.
- Phase 8 progress panels.