ci(web): limpar .next antes do build para evitar EACCES de builds anteriores

.github/workflows/ci-cd-web-desktop.yml

@@ -147,6 +147,16 @@ jobs:
             cp -f "$DEFAULT_DIR/.env" "$EFFECTIVE_APP_DIR/.env"
           fi
 
+      - name: Clean Next.js cache (.next) to avoid EACCES
+        run: |
+          cd "$EFFECTIVE_APP_DIR"
+          if [ -e .next ]; then
+            echo "Removing existing .next (may be root-owned from previous container)"
+            rm -rf .next || (mv .next ".next.old.$(date +%s)" || true)
+          fi
+          mkdir -p .next
+          chmod -R u+rwX .next || true
+
       - name: Install and build (Next.js)
         run: |
           cd "$EFFECTIVE_APP_DIR"