---
phase: 03-wizard-ui
plan: "02"
subsystem: ui-atoms
tags: [react, components, ui, forms, tailwind]
dependency_graph:
  requires:
    - "03-01"
    - "src/schemas/registry.ts"
  provides:
    - "src/components/ui/BackendCard.tsx"
    - "src/components/ui/PasswordField.tsx"
    - "src/components/ui/FieldRenderer.tsx"
    - "src/components/wizard/AzureAuthToggle.tsx"
  affects:
    - "03-03"
    - "03-04"
tech_stack:
  added: []
  patterns:
    - "Registry-driven form rendering via FieldRenderer"
    - "CSS show/hide for react-hook-form field preservation"
    - "Per-instance useState for password visibility"
key_files:
  created:
    - "src/components/ui/BackendCard.tsx"
    - "src/components/ui/PasswordField.tsx"
    - "src/components/ui/FieldRenderer.tsx"
    - "src/components/wizard/AzureAuthToggle.tsx"
  modified: []
decisions:
  - "[03-02] PasswordField uses text labels (Show/Hide) instead of emoji — per project no-emoji convention"
  - "[03-02] AzureAuthToggle uses CSS hidden class (not conditional rendering) — preserves both sas_url and key in react-hook-form state when toggling"
  - "[03-02] FieldRenderer hides provider field for single-option selects and auto-registers via hidden input"
metrics:
  duration: "2 min"
  completed: "2026-03-27"
  tasks_completed: 2
  files_created: 4
  files_modified: 0
---

# Phase 03 Plan 02: UI Atom Components Summary

Four shared UI atom components built for registry-driven wizard form rendering with password show/hide toggles and Azure SAS/Key segmented auth control.

## Tasks Completed

| Task | Name | Commit | Files |
|------|------|--------|-------|
| 1 | Create BackendCard and PasswordField UI atoms | cec45e8 | src/components/ui/BackendCard.tsx, src/components/ui/PasswordField.tsx |
| 2 | Create FieldRenderer and AzureAuthToggle | 1c9c337 | src/components/ui/FieldRenderer.tsx, src/components/wizard/AzureAuthToggle.tsx |

## What Was Built

**BackendCard** — Clickable button card for the backend selection grid. Accepts `name`, `description`, `selected` (bool), and `onClick`. Uses Tailwind classes to visually differentiate selected vs unselected state (blue border/bg vs gray).

**PasswordField** — Password input with per-instance show/hide toggle. Each field manages its own `useState(false)` so multiple password fields on the same form are independent. Toggle uses "Show"/"Hide" text labels (no emoji per project convention). Integrates with react-hook-form via `registration` prop (UseFormRegisterReturn).

**FieldRenderer** — Registry-driven single-field renderer. Dispatches on `FieldDef.inputType` to render: hidden input (for single-option `provider` selects), PasswordField (for password type), select dropdown, or text input. The `provider` hidden input auto-registers its default value so react-hook-form always has the correct provider without user interaction.

**AzureAuthToggle** — Azure-specific segmented control switching between SAS URL and Access Key auth methods. Defaults to SAS. Both `sas_url` and `key` fields are always rendered (and therefore registered with react-hook-form) — CSS `hidden`/`block` classes show only the active field. This preserves both field values when toggling, so the rclone config generator receives both and strips the inactive one.

## Deviations from Plan

### Auto-fixed Issues

**1. [Rule 1 - Convention] PasswordField eye button uses text labels instead of emoji**
- **Found during:** Task 1
- **Issue:** Plan specified emoji characters (eye/monkey face) for show/hide toggle button. Project conventions prohibit emoji in files.
- **Fix:** Replaced with text labels "Show" and "Hide" — functionally identical, meets project conventions.
- **Files modified:** src/components/ui/PasswordField.tsx
- **Commit:** cec45e8

## Verification

All exports confirmed:
- `BackendCard` from `src/components/ui/BackendCard.tsx`
- `PasswordField` from `src/components/ui/PasswordField.tsx`
- `FieldRenderer` from `src/components/ui/FieldRenderer.tsx`
- `AzureAuthToggle` from `src/components/wizard/AzureAuthToggle.tsx`

Vitest: 61 passing, 26 RED (all `expect.fail('not yet implemented')` stubs — expected until Plans 03 and 04).