Fix update script: remove server-side client build

Server can't handle the React build. Client is built locally and
committed to git; update-server.sh just pulls and restarts PM2.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

update-server.sh

@@ -1,32 +1,20 @@
 #!/bin/bash
-# SkyWatch update script — run on the server to pull and deploy the latest version
-# Usage: bash update-server.sh [--skip-build]
+# SkyWatch update script — run on the server to pull and deploy the latest version.
+# The React client is built locally and committed to git before running this.
+# Usage: bash update-server.sh
 set -e
 
 APP_DIR="/opt/resource-monitor"
-SKIP_BUILD=false
-for arg in "$@"; do [[ "$arg" == "--skip-build" ]] && SKIP_BUILD=true; done
 
 echo "==> Updating SkyWatch at ${APP_DIR} ..."
 cd "$APP_DIR"
 
-echo "==> Pulling latest code ..."
+echo "==> Pulling latest code (includes pre-built client) ..."
 git pull origin main
 
 echo "==> Installing/updating server dependencies ..."
-# Use npm install (not ci + rm -rf) so existing compatible packages stay in place
 npm install --omit=dev 2>&1 | tail -20
 
-if [ "$SKIP_BUILD" = false ]; then
-  echo "==> Building React client ..."
-  cd client
-  npm install 2>&1 | tail -10
-  npm run build 2>&1 | tail -20
-  cd ..
-else
-  echo "==> Skipping client build (--skip-build flag set)"
-fi
-
 echo "==> Restarting application via PM2 ..."
 pm2 restart resource-monitor