chore: update prod healthchecks

.gitea/workflows/production.yaml

@@ -298,18 +298,18 @@ jobs:
 
       - name: Wait for backend health
         run: |
-          for i in 1 2 3 4 5 6; do
+          for i in $(seq 1 24); do
             if docker exec mvp-backend-$TARGET_STACK curl -sf http://localhost:3001/health > /dev/null 2>&1; then
               echo "OK: Backend health check passed"
               exit 0
             fi
-            if [ $i -eq 6 ]; then
+            if [ $i -eq 24 ]; then
               echo "ERROR: Backend health check failed after 6 attempts"
               docker logs mvp-backend-$TARGET_STACK --tail 100
               exit 1
             fi
-            echo "Attempt $i/6: Backend not ready, waiting 10s..."
-            sleep 10
+            echo "Attempt $i/24: Backend not ready, waiting 10s..."
+            sleep 5
           done
 
       - name: External health check