chore(docs): consolidate 22 audit files from root into docs/audits/

Root directory had accumulated audit/exploration markdown files cluttering the project root. Moved all audit-related files to docs/audits/ with a README.md index, and updated cross-references in K6_LOAD_TESTING_GUIDE.md and README_FRONTEND_DOCS.md. Co-Authored-By: Paperclip <noreply@paperclip.ing>
2026-04-10 23:16:00 +07:00
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+# GoodGo Frontend Audit Report
+**Date**: April 10, 2026 | **Framework**: Next.js 15.5.14 (App Router)
+
+---
+
+## 1. **App Structure** ✅
+
+**Status**: GOOD - Next.js 14 App Router properly implemented
+
+### Pages & Routes (22 pages total):
+- **Public**: Landing (`/`), Search Results (`/search`), Listing Detail (`/listings/[id]`)
+- **Auth** ✅: Login, Register, OAuth callbacks (Google, Zalo)
+- **Dashboard** ✅: Main dashboard, Profile, Payments, KYC, Subscription, Valuation, Analytics
+- **Listings** ✅: List, Create (`/new`), Edit (`/[id]/edit`)
+- **Admin Panel** ✅: Dashboard, KYC Review, Moderation, Users Management
+
+### Route Groups (Organized correctly):
+```
+(public) → Landing, Search, Listing Detail
+(auth) → Login, Register, OAuth
+(dashboard) → All user-facing features
+(admin) → Admin-only features
+```
+
+### Middleware & i18n:
+✅ Locale-aware routing (`/[locale]/*`)
+✅ Authentication middleware with cookie-based auth
+✅ Protected routes redirect to login
+✅ next-intl v4.9.0 for English/Vietnamese
+
+---
+
+## 2. **Components & UI System** ✅
+
+**Status**: EXCELLENT - shadcn/ui + Tailwind properly implemented
+
+### shadcn/ui Components (14 found):
+- Button, Badge, Card, Dialog, Input, Label, Select, Table, Tabs, Textarea
+- ✅ Using CVA (class-variance-authority) for variants
+- ✅ Tailwind dark mode support included
+
+### Custom Components:
+- **Listings**: `listing-detail-client`, `image-gallery`, `image-upload`, `listing-form-steps`
+- **Maps**: `listing-map`, `district-heatmap`
+- **Charts**: District bar chart, analytics charts
+- **Auth**: Auth forms (login/register)
+- **Search**: Search filters, results layout
+
+### Design Tokens:
+✅ CSS custom properties (HSL-based)
+✅ Tailwind config extends with proper color system
+✅ Dark mode ready (`@media (prefers-color-scheme: dark)`)
+
+---
+
+## 3. **State Management** ✅
+
+**Status**: GOOD - Zustand properly integrated
+
+### Stores:
+- **auth-store.ts** (117 lines): User auth, login, logout, token refresh
+  - Methods: `login()`, `register()`, `logout()`, `fetchProfile()`, `initialize()`
+  - Handles OAuth callbacks
+  - ✅ Error handling with custom ApiError class
+
+### React Query:
+✅ TanStack React Query v5.96.2 integrated
+✅ Custom hooks:
+  - `use-listings`, `use-analytics`, `use-payments`, `use-subscription`, `use-valuation`, `use-saved-searches`
+✅ Query client configuration:
+  - Stale time: 60s
+  - GC time: 5min
+  - Retry: 3x with exponential backoff
+  - ✅ Error boundary with fallback UI
+
+---
+
+## 4. **API Integration** ✅
+
+**Status**: GOOD - Well-structured API client
+
+### API Client (`api-client.ts`):
+- ✅ Centralized request handler with CSRF token support
+- ✅ Cookie-based auth (`credentials: 'include'`)
+- ✅ Custom ApiError class with status codes
+- ✅ Methods: `get()`, `post()`, `patch()`, `delete()`
+
+### API Modules:
+- `auth-api.ts`: Login, register, OAuth exchange, token refresh
+- `listings-api.ts` (190 lines): CRUD operations
+- `admin-api.ts` (179 lines): Admin features
+- `analytics-api.ts`, `payment-api.ts`, `subscription-api.ts`
+- `saved-search-api.ts`
+
+### API Base URL:
+- Environment-based: `NEXT_PUBLIC_API_URL` or `http://localhost:3001/api/v1`
+
+---
+
+## 5. **Maps Integration** ✅
+
+**Status**: GOOD - Mapbox GL properly integrated
+
+### Mapbox GL v3.21.0:
+✅ Used in 2 components:
+- `components/map/listing-map.tsx`: Property detail view
+- `components/charts/district-heatmap.tsx`: Analytics heatmap
+
+### Implementation:
+✅ Dynamic imports (no SSR) → prevents build errors
+✅ CSS imported: `mapbox-gl/dist/mapbox-gl.css`
+✅ CSP headers configured for Mapbox domains
+✅ Supported features: Geo-location (`permission: geolocation`), Maps rendering
+
+### Issues: ⚠️ **MINOR**
+- Mapbox API key not verified in code (likely env variable)
+- No error handling visible for map load failures
+
+---
+
+## 6. **Authentication** ✅
+
+**Status**: GOOD - Cookie + OAuth implemented
+
+### Flow:
+1. Cookie-based auth (`goodgo_authenticated=1`)
+2. Token stored server-side (HTTP-only cookies)
+3. OAuth support: Google, Zalo
+4. Token refresh mechanism with retry logic
+
+### Middleware Protection:
+✅ Public paths: `/`, `/login`, `/register`, `/search`, `/auth/callback`
+✅ Auth-only paths redirect to dashboard if logged in
+✅ Protected paths require `goodgo_authenticated` cookie
+
+### Security Headers:
+✅ HSTS, X-Frame-Options, X-Content-Type-Options
+✅ CSP configured
+✅ Referrer-Policy: strict-origin-when-cross-origin
+
+---
+
+## 7. **Testing** ⚠️ **NEEDS WORK**
+
+**Status**: PARTIAL - Only 4 test files found
+
+### Test Coverage:
+- `auth-store.spec.ts` (217 lines)
+- `auth/__tests__/login.spec.tsx`, `register.spec.tsx`
+- `search/__tests__/search.spec.tsx`
+- `listings/__tests__/create-listing.spec.tsx`
+- UI components: `__tests__/button.spec.tsx`, `card.spec.tsx`, etc.
+
+### Test Setup:
+✅ Vitest + React Testing Library
+✅ JSDOM environment
+✅ MSW v2.13.2 for API mocking
+
+### **Issues**: 🔴
+- Only ~7 main page tests (46 tsx files, <10% coverage)
+- No e2e tests
+- **Recommendation**: Add integration tests for critical flows (auth, search, listings)
+
+---
+
+## 8. **Performance** ⚠️ **NEEDS OPTIMIZATION**
+
+**Status**: PARTIAL - Some optimizations in place
+
+### Good:
+✅ Dynamic imports for map components (`next/dynamic`)
+✅ Suspense boundaries for lazy-loaded content
+✅ Image optimization ready (Next.js config allows remote images)
+✅ Standalone output mode (better Docker builds)
+✅ React Query caching (5min GC time)
+
+### Issues: 🔴
+- No explicit `Image` component usage found (using `<img>` tags likely)
+  - **Impact**: Missing automatic optimization, size reduction
+- 30 `'use client'` directives found (some likely unnecessary)
+  - **Recommendation**: Audit and move data fetching to Server Components
+- No font optimization detected
+  - **Missing**: `next/font` for system fonts or Google Fonts
+- No visible route prefetch strategy
+- Limited loading states (some pages have `loading.tsx`, others don't)
+
+### Web Vitals:
+✅ web-vitals v5.2.0 integrated
+✅ Sentry monitoring configured
+
+---
+
+## 9. **Accessibility** 🔴 **NEEDS WORK**
+
+**Status**: POOR - Minimal a11y attributes detected
+
+### Found (28 instances):
+- 4 `role="alert"` on error boundaries
+- Some `aria-*` attributes in forms
+- Limited `alt` text on images
+
+### Missing:
+❌ No `aria-label` / `aria-describedby` strategy
+❌ No keyboard navigation testing
+❌ Limited contrast testing
+❌ No ARIA live regions beyond errors
+❌ Form labels disconnected from inputs in some cases
+
+### **Recommendation**: 
+- Run axe DevTools audit
+- Add `aria-label` to icon-only buttons
+- Ensure all inputs have proper labels
+- Test with keyboard navigation
+
+---
+
+## 10. **Build Configuration** ✅
+
+**Status**: GOOD - Properly configured
+
+### Next.js Config (`next.config.js`):
+✅ Strict mode enabled
+✅ Sentry integration
+✅ next-intl plugin
+✅ Standalone output
+✅ CSP headers configured
+✅ Image optimization (remote patterns)
+
+### Tailwind Config:
+✅ Dark mode support
+✅ CVA integration
+✅ Animation plugin
+✅ Proper content paths
+
+### TypeScript:
+✅ ES2017 target
+✅ Bundler module resolution
+✅ Path aliases (`@/*`)
+✅ Incremental builds enabled
+
+---
+
+## 11. **Missing Pages vs MVP Blueprint** 🔴
+
+**MVP Pages (11 planned)**:
+1. ✅ Landing (`/`)
+2. ✅ Search Results (`/search`)
+3. ✅ Listing Detail (`/listings/[id]`)
+4. ✅ Login (`/login`)
+5. ✅ Register (`/register`)
+6. ✅ Dashboard (`/dashboard`)
+7. ✅ Admin Panel (`/admin`)
+8. ✅ Analytics (`/analytics`)
+9. ⚠️ **Pricing** - **MISSING**
+10. ✅ Saved Searches (`/dashboard/saved-searches`)
+11. ✅ Payments (`/dashboard/payments`)
+
+### Additional Pages Found (Not in MVP):
+- KYC (user & admin)
+- Subscription
+- Profile
+- Valuation
+- Listings CRUD
+- Moderation (admin)
+
+### **Critical Gap**: 🔴 **NO PRICING PAGE**
+- Should list subscription tiers, features, pricing
+
+---
+
+## 12. **Overall Summary**
+
+| Category | Status | Score |
+|----------|--------|-------|
+| App Structure | ✅ Excellent | 95% |
+| Components & UI | ✅ Excellent | 95% |
+| State Management | ✅ Good | 90% |
+| API Integration | ✅ Good | 90% |
+| Maps Integration | ✅ Good | 85% |
+| Authentication | ✅ Good | 85% |
+| Testing | ⚠️ Needs Work | 40% |
+| Performance | ⚠️ Partial | 65% |
+| Accessibility | 🔴 Poor | 30% |
+| Build Config | ✅ Good | 90% |
+| MVP Coverage | ⚠️ Partial | 90% (missing pricing) |
+
+---
+
+## **Action Items (Priority Order)**
+
+### 🔴 Critical:
+1. **Create pricing page** (`/pricing`) - MVP requirement
+2. **Add a11y attributes** - WCAG baseline (2 hours)
+3. **Increase test coverage** - Aim for 60%+ (4-6 hours)
+
+### 🟡 Important:
+4. Audit `'use client'` directives - move to Server Components where possible
+5. Add `next/image` optimization
+6. Add font optimization (`next/font`)
+7. Add loading/error states to all pages
+
+### 🟢 Nice-to-Have:
+8. E2E tests with Playwright
+9. Performance budget setup
+10. Pre-rendering strategy for public pages
+
+---
+
+## **Dependencies Review**
+
+| Package | Version | Status |
+|---------|---------|--------|
+| next | 15.5.14 | ✅ Latest |
+| react | 18.3.0 | ✅ Latest |
+| zustand | 5.0.12 | ✅ Latest |
+| @tanstack/react-query | 5.96.2 | ✅ Latest |
+| mapbox-gl | 3.21.0 | ✅ Latest |
+| tailwindcss | 3.4.0 | ⚠️ v4 available |
+| typescript | 6.0.2 | ✅ Latest |
+
+---
+
+**Report Generated**: 2026-04-10 | **Auditor**: Claude Code Audit System