docs: Clean up obsolete docs and create Customer SPA Master Plan
Documentation Cleanup: ✅ Archived 6 obsolete/completed docs to archive/: - CUSTOMER_DATA_FLOW_ANALYSIS.md - CALCULATION_EFFICIENCY_AUDIT.md - PHASE_COMPLETE.md - PRODUCT_FORM_UX_IMPROVEMENTS.md - PROGRESS_NOTE.md - TASKS_SUMMARY.md New Documentation: ✅ CUSTOMER_SPA_MASTER_PLAN.md - Comprehensive strategy Includes: 1. Architecture Overview - Hybrid plugin architecture - customer-spa folder structure - Frontend/Backend separation 2. Deployment Modes - Shortcode Mode (default, works with any theme) - Full SPA Mode (maximum performance) - Hybrid Mode (best of both worlds) 3. Feature Scope - Phase 1: Core Commerce (MVP) - Phase 2: Enhanced Features - Phase 3: Advanced Features 4. UX Best Practices - Research-backed patterns (Baymard Institute) - Cart UX (drawer, mini cart, shipping threshold) - Checkout UX (progress, guest, autocomplete) - Product Page UX (images, CTA, social proof) 5. Technical Stack - React 18 + Vite - Zustand + React Query - TailwindCSS + shadcn/ui - PWA with Workbox 6. Implementation Roadmap - 10 sprints (20 weeks) - Foundation → Catalog → Cart → Account → Polish 7. API Requirements - 15+ new endpoints needed - Shop, Cart, Checkout, Account APIs 8. Performance Targets - Core Web Vitals - Bundle sizes - Load times 9. Settings & Configuration - Frontend mode selection - Feature toggles - Customization options 10. Migration Strategy - From WooCommerce default - Rollback plan - Success metrics Result: Clear, actionable plan for Customer SPA development!
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CUSTOMER_SPA_MASTER_PLAN.md
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# Customer SPA Master Plan
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## WooNooW Frontend Architecture & Implementation Strategy
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**Version:** 1.0
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**Date:** November 21, 2025
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**Status:** Planning Phase
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---
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## Executive Summary
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This document outlines the comprehensive strategy for building WooNooW's customer-facing SPA, including architecture decisions, deployment modes, UX best practices, and implementation roadmap.
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### Key Decisions
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✅ **Hybrid Architecture** - Plugin includes customer-spa with flexible deployment modes
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✅ **Progressive Enhancement** - Works with any theme, optional full SPA mode
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✅ **Mobile-First PWA** - Fast, app-like experience on all devices
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✅ **SEO-Friendly** - Server-side rendering for product pages, SPA for interactions
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---
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## Table of Contents
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1. [Architecture Overview](#architecture-overview)
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2. [Deployment Modes](#deployment-modes)
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3. [Feature Scope](#feature-scope)
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4. [UX Best Practices](#ux-best-practices)
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5. [Technical Stack](#technical-stack)
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6. [Implementation Roadmap](#implementation-roadmap)
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7. [API Requirements](#api-requirements)
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8. [Performance Targets](#performance-targets)
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---
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## Architecture Overview
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### Hybrid Plugin Architecture
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```
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woonoow/
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├── admin-spa/ # Admin interface (existing)
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├── customer-spa/ # Customer frontend (NEW)
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│ ├── src/
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│ │ ├── pages/
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│ │ │ ├── Shop/ # Product listing
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│ │ │ ├── Product/ # Product detail
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│ │ │ ├── Cart/ # Shopping cart
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│ │ │ ├── Checkout/ # Checkout process
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│ │ │ ├── Account/ # My Account dashboard
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│ │ │ └── Orders/ # Order history
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│ │ ├── components/
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│ │ │ ├── ProductCard/
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│ │ │ ├── CartDrawer/
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│ │ │ ├── CheckoutForm/
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│ │ │ └── AddressForm/
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│ │ └── lib/
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│ │ ├── api/
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│ │ ├── cart/ # Cart state management
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│ │ └── checkout/ # Checkout logic
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│ └── public/
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├── includes/
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│ ├── Admin/
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│ └── Frontend/
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│ ├── Shortcodes/ # [woonoow_cart], [woonoow_checkout]
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│ ├── SPA/ # Full SPA mode handler
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│ └── Api/ # Customer API endpoints
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└── woonoow.php
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```
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---
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## Deployment Modes
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### Mode 1: Shortcode Mode (Default) ⭐ RECOMMENDED
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**Use Case:** Works with ANY WordPress theme
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**How it works:**
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```php
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// In theme template or page builder
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[woonoow_shop]
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[woonoow_cart]
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[woonoow_checkout]
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[woonoow_account]
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```
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**Benefits:**
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- ✅ Compatible with all themes
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- ✅ Works with page builders (Elementor, Divi, etc.)
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- ✅ Progressive enhancement
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- ✅ SEO-friendly (SSR for products)
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- ✅ Easy migration from WooCommerce
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**Architecture:**
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- Theme provides layout/header/footer
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- WooNooW provides interactive components
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- Hybrid SSR + SPA islands pattern
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---
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### Mode 2: Full SPA Mode
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**Use Case:** Maximum performance, app-like experience
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**How it works:**
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```php
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// Settings > Frontend > Mode: Full SPA
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// WooNooW takes over entire frontend
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```
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**Benefits:**
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- ✅ Fastest performance
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- ✅ Smooth page transitions
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- ✅ Offline support (PWA)
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- ✅ App-like experience
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- ✅ Optimized for mobile
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**Architecture:**
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- Single-page application
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- Client-side routing
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- Theme provides minimal wrapper
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- API-driven data fetching
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---
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### Mode 3: Hybrid Mode
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**Use Case:** Best of both worlds
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**How it works:**
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- Product pages: SSR (SEO)
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- Cart/Checkout: SPA (UX)
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- My Account: SPA (performance)
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**Benefits:**
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- ✅ SEO for product pages
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- ✅ Fast interactions for cart/checkout
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- ✅ Balanced approach
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- ✅ Flexible deployment
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---
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## Feature Scope
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### Phase 1: Core Commerce (MVP)
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#### 1. Product Catalog
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- Product listing with filters
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- Product detail page
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- Product search
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- Category navigation
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- Product variations
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- Image gallery with zoom
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- Related products
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#### 2. Shopping Cart
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- Add to cart (AJAX)
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- Cart drawer/sidebar
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- Update quantities
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- Remove items
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- Apply coupons
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- Shipping calculator
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- Cart persistence (localStorage)
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#### 3. Checkout
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- Single-page checkout
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- Guest checkout
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- Address autocomplete
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- Shipping method selection
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- Payment method selection
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- Order review
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- Order confirmation
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#### 4. My Account
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- Dashboard overview
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- Order history
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- Order details
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- Download invoices
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- Track shipments
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- Edit profile
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- Change password
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- Manage addresses
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- Payment methods
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---
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### Phase 2: Enhanced Features
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#### 5. Wishlist
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- Add to wishlist
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- Wishlist page
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- Share wishlist
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- Move to cart
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#### 6. Product Reviews
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- Write review
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- Upload photos
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- Rating system
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- Review moderation
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- Helpful votes
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#### 7. Quick View
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- Product quick view modal
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- Add to cart from quick view
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- Variation selection
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#### 8. Product Compare
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- Add to compare
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- Compare table
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- Side-by-side comparison
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---
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### Phase 3: Advanced Features
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#### 9. Subscriptions
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- Subscription products
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- Manage subscriptions
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- Pause/resume
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- Change frequency
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- Update payment method
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#### 10. Memberships
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- Member-only products
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- Member pricing
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- Membership dashboard
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- Access control
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#### 11. Digital Downloads
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- Download manager
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- License keys
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- Version updates
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- Download limits
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---
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## UX Best Practices
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### Research-Backed Patterns
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Based on Baymard Institute research and industry leaders:
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#### Cart UX
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✅ **Persistent cart drawer** - Always accessible, slides from right
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✅ **Mini cart preview** - Show items without leaving page
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✅ **Free shipping threshold** - "Add $X more for free shipping"
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✅ **Save for later** - Move items to wishlist
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✅ **Stock indicators** - "Only 3 left in stock"
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✅ **Estimated delivery** - Show delivery date
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#### Checkout UX
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✅ **Progress indicator** - Show steps (Shipping → Payment → Review)
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✅ **Guest checkout** - Don't force account creation
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✅ **Address autocomplete** - Google Places API
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✅ **Inline validation** - Real-time error messages
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✅ **Trust signals** - Security badges, SSL indicators
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✅ **Mobile-optimized** - Large touch targets, numeric keyboards
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✅ **One-page checkout** - Minimize steps
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✅ **Save payment methods** - For returning customers
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#### Product Page UX
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✅ **High-quality images** - Multiple angles, zoom
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✅ **Clear CTA** - Prominent "Add to Cart" button
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✅ **Stock status** - In stock / Out of stock / Pre-order
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✅ **Shipping info** - Delivery estimate
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✅ **Size guide** - For apparel
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✅ **Social proof** - Reviews, ratings
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✅ **Related products** - Cross-sell
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---
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## Technical Stack
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### Frontend
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- **Framework:** React 18 (with Suspense, Transitions)
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- **Routing:** React Router v6
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- **State:** Zustand (cart, checkout state)
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- **Data Fetching:** TanStack Query (React Query)
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- **Forms:** React Hook Form + Zod validation
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- **Styling:** TailwindCSS + shadcn/ui
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- **Build:** Vite
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- **PWA:** Workbox (service worker)
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### Backend
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- **API:** WordPress REST API (custom endpoints)
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- **Authentication:** WordPress nonces + JWT (optional)
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- **Session:** WooCommerce session handler
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- **Cache:** Transients API + Object cache
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### Performance
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- **Code Splitting:** Route-based lazy loading
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- **Image Optimization:** WebP, lazy loading, blur placeholders
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- **Caching:** Service worker, API response cache
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- **CDN:** Static assets on CDN
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---
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## Implementation Roadmap
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### Sprint 1-2: Foundation (2 weeks)
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- [ ] Setup customer-spa build system
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- [ ] Create base layout components
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- [ ] Implement routing
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- [ ] Setup API client
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- [ ] Cart state management
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- [ ] Authentication flow
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### Sprint 3-4: Product Catalog (2 weeks)
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- [ ] Product listing page
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- [ ] Product filters
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- [ ] Product search
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- [ ] Product detail page
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- [ ] Product variations
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- [ ] Image gallery
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### Sprint 5-6: Cart & Checkout (2 weeks)
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- [ ] Cart drawer component
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- [ ] Cart page
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- [ ] Checkout form
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- [ ] Address autocomplete
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- [ ] Shipping calculator
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- [ ] Payment integration
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### Sprint 7-8: My Account (2 weeks)
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- [ ] Account dashboard
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- [ ] Order history
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- [ ] Order details
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- [ ] Profile management
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- [ ] Address book
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- [ ] Download manager
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### Sprint 9-10: Polish & Testing (2 weeks)
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- [ ] Mobile optimization
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- [ ] Performance tuning
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- [ ] Accessibility audit
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- [ ] Browser testing
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- [ ] User testing
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- [ ] Bug fixes
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---
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## API Requirements
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### New Endpoints Needed
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```
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GET /woonoow/v1/shop/products
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GET /woonoow/v1/shop/products/:id
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GET /woonoow/v1/shop/categories
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GET /woonoow/v1/shop/search
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POST /woonoow/v1/cart/add
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POST /woonoow/v1/cart/update
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POST /woonoow/v1/cart/remove
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GET /woonoow/v1/cart
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POST /woonoow/v1/cart/apply-coupon
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POST /woonoow/v1/checkout/calculate
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POST /woonoow/v1/checkout/create-order
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GET /woonoow/v1/checkout/payment-methods
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GET /woonoow/v1/checkout/shipping-methods
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GET /woonoow/v1/account/orders
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GET /woonoow/v1/account/orders/:id
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GET /woonoow/v1/account/downloads
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POST /woonoow/v1/account/profile
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POST /woonoow/v1/account/password
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POST /woonoow/v1/account/addresses
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```
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---
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## Performance Targets
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### Core Web Vitals
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- **LCP (Largest Contentful Paint):** < 2.5s
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- **FID (First Input Delay):** < 100ms
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- **CLS (Cumulative Layout Shift):** < 0.1
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### Bundle Sizes
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- **Initial JS:** < 150KB (gzipped)
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- **Initial CSS:** < 50KB (gzipped)
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- **Route chunks:** < 50KB each (gzipped)
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### Page Load Times
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- **Product page:** < 1.5s (3G)
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- **Cart page:** < 1s
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- **Checkout page:** < 1.5s
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---
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## Settings & Configuration
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### Frontend Settings Panel
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```
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WooNooW > Settings > Frontend
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├── Mode
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│ ○ Disabled (use theme)
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│ ● Shortcodes (default)
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│ ○ Full SPA
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├── Features
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│ ☑ Product catalog
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│ ☑ Shopping cart
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│ ☑ Checkout
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│ ☑ My Account
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│ ☐ Wishlist (Phase 2)
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│ ☐ Product reviews (Phase 2)
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├── Performance
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│ ☑ Enable PWA
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│ ☑ Offline mode
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│ ☑ Image lazy loading
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│ Cache duration: 1 hour
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└── Customization
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Primary color: #000000
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Font family: System
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Border radius: 8px
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```
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---
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## Migration Strategy
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### From WooCommerce Default
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1. **Install WooNooW** - Keep WooCommerce active
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2. **Enable Shortcode Mode** - Test on staging
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3. **Replace pages** - Cart, Checkout, My Account
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4. **Test thoroughly** - All user flows
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5. **Go live** - Switch DNS
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6. **Monitor** - Analytics, errors
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### Rollback Plan
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- Keep WooCommerce pages as backup
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- Settings toggle to disable customer-spa
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- Fallback to WooCommerce templates
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---
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## Success Metrics
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### Business Metrics
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- Cart abandonment rate: < 60% (industry avg: 70%)
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- Checkout completion rate: > 40%
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- Mobile conversion rate: > 2%
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- Page load time: < 2s
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### Technical Metrics
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- Lighthouse score: > 90
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- Core Web Vitals: All green
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- Error rate: < 0.1%
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- API response time: < 200ms
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---
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## Competitive Analysis
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### Shopify Hydrogen
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- **Pros:** Fast, modern, React-based
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- **Cons:** Shopify-only, complex setup
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- **Lesson:** Simplify developer experience
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### WooCommerce Blocks
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- **Pros:** Native WooCommerce integration
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- **Cons:** Limited customization, slow
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- **Lesson:** Provide flexibility
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### SureCart
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- **Pros:** Simple, fast checkout
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- **Cons:** Limited features
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- **Lesson:** Focus on core experience first
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---
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## Next Steps
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1. ✅ Review and approve this plan
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2. ⏳ Create detailed technical specs
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3. ⏳ Setup customer-spa project structure
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4. ⏳ Begin Sprint 1 (Foundation)
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---
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**Decision Required:** Approve this plan to proceed with implementation.
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