Survey Builder

# Survey Builder PRD

## Overview
Build a survey builder application that supports creating surveys with multiple question types, skip logic, response collection, and a results dashboard with visualizations.

## Requirements
- Question types: text, paragraph, multiple choice, checkbox, rating scale (1-5), NPS (0-10), dropdown
- Add, remove, and reorder questions via drag or buttons
- Required toggle per question
- Survey title and description fields
- Preview mode to take the survey yourself
- Skip logic: if answer is X, jump to question Y
- Response collection storing all submitted responses
- Results dashboard with bar charts per question, response count, and average ratings
- Export all responses as CSV
- Survey link sharing via copyable URL
- Anonymous vs named response mode toggle
- Progress bar displayed during survey taking
- Customizable thank you page after submission
- Duplicate an entire survey
- Persist all surveys and responses to localStorage

## Tech Stack
- JavaScript or any frontend framework
- Chart library allowed (Chart.js, Recharts, etc.)
- localStorage for persistence

## Scoring Criteria
- **Functional (40%)**: Survey creation works, responses collect, results dashboard renders
- **Quality (20%)**: Clean builder UX, proper validation, smooth transitions
- **Fidelity (25%)**: All question types, skip logic, CSV export, and results charts present
- **Speed (15%)**: Time bonus