Restore bottom performance history graphs

tests/test_validation_harness.py

@@ -1,5 +1,6 @@
 import threading
 import unittest
+from pathlib import Path
 from unittest.mock import patch
 
 from dashboard import plugin_api as api
@@ -219,6 +220,15 @@ class ValidationHarnessTests(unittest.TestCase):
         self.assertEqual(len(created), 1)
         self.assertEqual(created[0].history, [])
 
+    def test_dashboard_restores_complete_bottom_performance_graph_set(self):
+        bundle = Path(__file__).parents[1].joinpath("dashboard", "dist", "index.js").read_text(encoding="utf-8")
+        for label in ("CPU usage", "CPU load", "System memory", "GPU usage", "GPU VRAM", "Disk usage", "Swap usage", "Ollama model weights", "Resident models"):
+            self.assertIn('title: "' + label + '"', bundle)
+        self.assertIn("function PerformanceGraphs", bundle)
+        self.assertIn("ollama-operations-section", bundle)
+        self.assertIn("historical performance graphs are shown in Operations / Performance below", bundle)
+        self.assertIn("setInterval(pollRuntime, 1000)", bundle)
+
 
 if __name__ == "__main__":
     unittest.main()