fix: scope Vercel CLI to team owning bio-nexus project; set NEXT_PUBLIC_API_URL in CI; make redundant Render hook non-fatal

.github/workflows/deploy.yml

@@ -8,6 +8,8 @@ jobs:
   deploy-backend:
     name: Deploy Backend to Render
     runs-on: ubuntu-latest
+    # Render auto-deploys via Git on push, so a missing deploy-hook secret is non-fatal.
+    continue-on-error: true
     steps:
       - name: Trigger Render deploy
         run: |
@@ -16,7 +18,11 @@ jobs:
   deploy-frontend:
     name: Deploy Frontend to Vercel
     runs-on: ubuntu-latest
+    env:
+      VERCEL_TOKEN: ${{ secrets.VERCEL_TOKEN }}
     steps:
       - uses: actions/checkout@v4
+      - name: Ensure backend API URL is set
+        run: npx vercel env add NEXT_PUBLIC_API_URL production https://bio-nexus-api.onrender.com --scope team_y6MYl4hpatRBHMHSwAzCzQ5f --cwd bioai-platform/frontend --token "$VERCEL_TOKEN" || true
       - name: Deploy to Vercel
-        run: npx vercel --token "${{ secrets.VERCEL_TOKEN }}" --prod --cwd bioai-platform/frontend --yes
+        run: npx vercel --token "$VERCEL_TOKEN" --scope team_y6MYl4hpatRBHMHSwAzCzQ5f --prod --cwd bioai-platform/frontend --yes