chore: add RESEND_API_KEY environment variable to Playwright CI workflow for build verification

Author: 0marSalah

.github/workflows/playwright.yml

@@ -22,6 +22,8 @@ jobs:
       NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET: ${{ secrets.NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET || 'demo-project.appspot.com' }}
       NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID: ${{ secrets.NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID || '123456789012' }}
       NEXT_PUBLIC_FIREBASE_APP_ID: ${{ secrets.NEXT_PUBLIC_FIREBASE_APP_ID || '1:123456789012:web:abcdef1234567890abcdef' }}
+      # Resend: required for next build (verification/send route). Add RESEND_API_KEY secret to override.
+      NEXT_PUBLIC_RESEND_API_KEY: ${{ secrets.NEXT_PUBLIC_RESEND_API_KEY || secrets.RESEND_API_KEY || 're_dummy_for_playwright' }}
     steps:
       - uses: actions/checkout@v3