Fix workflows scroll, add CPU/mem/disk sparklines during job runs

web/server.py

@@ -9,6 +9,11 @@ import threading
 import json
 from datetime import datetime
 import yaml
+try:
+    import psutil
+    _has_psutil = True
+except ImportError:
+    _has_psutil = False
 
 app = Flask(__name__, static_folder='static', template_folder='templates')
 
@@ -251,6 +256,19 @@ def upload_file():
     f.save(dest)
     return jsonify({'success': True, 'path': dest})
 
+@app.route('/api/system-stats')
+def system_stats():
+    """Return current CPU, memory, and disk usage percentages."""
+    if not _has_psutil:
+        return jsonify({'error': 'psutil not installed'}), 503
+    cpu = psutil.cpu_percent(interval=None)
+    mem = psutil.virtual_memory().percent
+    try:
+        disk = psutil.disk_usage('/data').percent
+    except Exception:
+        disk = psutil.disk_usage('/').percent
+    return jsonify({'cpu': cpu, 'mem': mem, 'disk': disk})
+
 @app.route('/api/list-files')
 def list_files():
     """List available GeoJSON files"""