[UI] Create Multi-Step Listing Wizard Flow (Desktop & Mobile)

## Issue #61
### [UI] Create Multi-Step Listing Wizard Flow (Desktop & Mobile)
🟡 **Priority:** High
**Difficulty:** Hard
**Estimated Effort:** 4 days
**Relevant Files:** `src/app/list-device/page.tsx, src/components/listing/`
**Labels:** `ui, forms, priority:high`

#### Requirements

1. **Implementation Details**
   - Build the multi-step flow for users to list devices for sale based on the Figma prototypes.\n   - Implement complex form state management using React Hook Form and Zod validation.\n   - Design the drag-and-drop image upload interface, handling file size limits and progress bars.\n   - Ensure the wizard is highly accessible, trapping focus within modals and reading step changes via screen readers.\n
2. **Testing Requirements**
   - Write comprehensive unit tests achieving >90% coverage for the UI components.
   - Perform visual regression tests across Desktop and Mobile viewports to ensure exact pixel-perfect match with Figma constraints.

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[UI] Create Multi-Step Listing Wizard Flow (Desktop & Mobile) #19

Issue #61