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DEPLOYMENT_VERIFICATION_CHECKLIST.md

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+# Deployment Verification Checklist
+
+## Authentication Fix for Hugging Face Spaces
+
+This checklist will help you verify that the authentication fixes work correctly in your Hugging Face Space deployment.
+
+### ✅ Pre-Deployment Checks
+
+#### 1. Frontend Configuration
+- [ ] `.env.production` file has correct API URL: `https://zelyanoth-lin-cbfcff2.hf.space/api`
+- [ ] `VITE_NODE_ENV=production` is set in `.env.production`
+- [ ] Frontend has been built with `npm run build`
+- [ ] `dist/` folder exists and contains built files
+
+#### 2. Backend Configuration
+- [ ] `backend/app.py` imports `request` from Flask
+- [ ] CORS origins include `https://zelyanoth-lin-cbfcff2.hf.space`
+- [ ] Cookie service uses `sameSite: 'Lax'` for production
+- [ ] JWT secret key is properly configured
+
+#### 3. Cookie Security Settings
+- [ ] Production cookies use `sameSite: 'Lax'` (not 'Strict')
+- [ ] Production cookies use `secure: true`
+- [ ] All cookies have `httpOnly: true`
+- [ ] CORS allows credentials (`supports_credentials: true`)
+
+### ✅ Deployment Steps
+
+#### 1. Build Frontend
+```bash
+cd frontend
+npm run build
+cd ..
+```
+
+#### 2. Commit Changes
+```bash
+git add .
+git commit -m "fix: authentication fixes for Hugging Face Spaces deployment"
+git push origin main
+```
+
+#### 3. Monitor Hugging Face Build
+- [ ] Check build logs in Hugging Face Space dashboard
+- [ ] Verify no errors during build process
+- [ ] Confirm deployment completes successfully
+
+### ✅ Post-Deployment Testing
+
+#### 1. Basic Functionality Tests
+- [ ] Application loads at `https://zelyanoth-lin-cbfcff2.hf.space`
+- [ ] Health check endpoint works: `https://zelyanoth-lin-cbfcff2.hf.space/health`
+- [ ] API health check works: `https://zelyanoth-lin-cbfcff2.hf.space/api/health`
+
+#### 2. Authentication Flow Tests
+- [ ] **Login Page**: Access `/login` page
+- [ ] **Login Attempt**: Try to login with valid credentials
+- [ ] **Login Success**: Verify successful login redirects to dashboard
+- [ ] **Cookie Storage**: Check that cookies are set (use browser dev tools)
+- [ ] **Page Reload**: Refresh the page while logged in
+- [ ] **Session Persistence**: Verify you remain logged in after reload
+- [ ] **Protected Routes**: Access `/dashboard`, `/accounts`, etc. while logged in
+- [ ] **Logout**: Test logout functionality
+- [ ] **Post-Logout**: Verify redirect to login page after logout
+
+#### 3. Cookie Security Verification
+- [ ] **Cookie Attributes**: Check browser cookies for:
+  - `SameSite=Lax` (production setting)
+  - `Secure` flag (for HTTPS)
+  - `HttpOnly` flag (prevents JavaScript access)
+- [ ] **Cross-Origin Requests**: Verify CORS headers are present in API responses
+- [ ] **Token Validation**: JWT tokens are properly validated on server side
+
+#### 4. Error Handling Tests
+- [ ] **Invalid Credentials**: Try login with wrong password
+- [ ] **Expired Token**: Wait for token to expire (1 hour) and test reload
+- [ ] **Network Issues**: Test with network disabled then reconnected
+- [ ] **Browser Cache**: Clear browser cache and test authentication
+
+#### 5. Browser Compatibility
+- [ ] **Chrome**: Test all functionality
+- [ ] **Firefox**: Test all functionality
+- [ ] **Safari**: Test all functionality
+- [ ] **Mobile Chrome**: Test on mobile device
+- [ ] **Mobile Safari**: Test on mobile device
+
+### ✅ Monitoring and Logging
+
+#### 1. Browser Console
+- [ ] No JavaScript errors on page load
+- [ ] API requests show correct status codes
+- [ ] Authentication requests show proper headers
+
+#### 2. Network Tab
+- [ ] API requests include Authorization header when logged in
+- [ ] CORS requests show correct `Access-Control-Allow-*` headers
+- [ ] No failed authentication requests
+
+#### 3. Server Logs (Hugging Face Dashboard)
+- [ ] No Flask application errors
+- [ ] Successful health checks
+- [ ] Authentication requests logged properly
+- [ ] CORS headers applied correctly
+
+### ✅ Performance Tests
+
+#### 1. Load Time
+- [ ] Page loads within 3 seconds
+- [ ] API responses under 1 second
+- [ ] Login process completes within 2 seconds
+
+#### 2. Resource Usage
+- [ ] Memory usage is reasonable
+- [ ] No memory leaks detected
+- [ ] CPU usage normal for traffic level
+
+### ✅ Security Verification
+
+#### 1. Cookie Security
+- [ ] No sensitive data in localStorage (should use cookies only)
+- [ ] CSRF protection working (via SameSite policy)
+- [ ] XSS protection (HttpOnly cookies)
+
+#### 2. API Security
+- [ ] Unauthenticated requests to protected routes return 401
+- [ ] JWT tokens properly validated
+- [ ] No exposed sensitive data in API responses
+
+### 🚨 Troubleshooting Guide
+
+#### Common Issues and Solutions
+
+**Issue: "NameError: name 'request' is not defined"**
+- ✅ Fixed: Added `from flask import request` to `backend/app.py`
+
+**Issue: Authentication fails after page reload**
+- ✅ Fixed: Changed cookie `sameSite` from 'Strict' to 'Lax' for production
+- ✅ Fixed: Updated API client to use production URL
+
+**Issue: CORS errors in browser console**
+- ✅ Fixed: Added Hugging Face Space URL to CORS origins
+- ✅ Fixed: Ensured CORS headers include necessary fields
+
+**Issue: Cookies not being set**
+- ✅ Verify: `secure` flag matches HTTPS environment
+- ✅ Verify: `sameSite` policy is appropriate for deployment
+- ✅ Verify: CORS allows credentials
+
+### 📝 Final Verification
+
+#### Success Criteria
+- [ ] User can login successfully
+- [ ] User remains logged in after page reload
+- [ ] Protected routes are accessible only when authenticated
+- [ ] Logout functionality works correctly
+- [ ] No console errors or warnings
+- [ ] All security headers are present
+- [ ] Application works across different browsers
+
+#### Deployment Complete When:
+All checkboxes above are marked as complete ✅
+
+---
+
+**Note**: If any test fails, refer to the troubleshooting guide above and ensure all fixes have been applied before redeploying.

backend/app.py

@@ -1,7 +1,7 @@
 import os
 import sys
 import locale
-from flask import Flask, send_from_directory
+from flask import Flask, send_from_directory, request
 from flask_cors import CORS
 from flask_jwt_extended import JWTManager
 # Import for job handling