Initial commit, 90% there

.claude/file-history/138484f6-474d-4740-8791-b8f49f53e200/649ccfdb0219aab6@v2

@@ -0,0 +1,67 @@
+#!/usr/bin/env python3
+import json
+
+with open('/home/mdares/.node-red/flows.json', 'r') as f:
+    flows = json.load(f)
+
+for node in flows:
+    if node.get('id') == 'f3a4b5c6d7e8f9a0' and node.get('name') == 'Graphs Template':
+        template = node.get('format', '')
+
+        # Add handler for "chartsData" format (from Record KPI History)
+        # Find the $watch section and add the handler after the graphData check
+        old_watch = """    if (msg.graphData) {
+      createCharts(scope.selectedRange, msg.graphData);
+    }"""
+
+        new_watch = """    // Handle graphData format (from Fetch/Format Graph Data)
+    if (msg.graphData) {
+      createCharts(scope.selectedRange, msg.graphData);
+    }
+
+    // Handle chartsData format (from Record KPI History)
+    if (msg.topic === 'chartsData' && msg.payload) {
+      var kpiData = msg.payload;
+
+      // Build labels and data arrays from KPI history
+      var labels = [];
+      var oeeData = [];
+      var availData = [];
+      var perfData = [];
+      var qualData = [];
+
+      var oeeHist = kpiData.oee || [];
+      oeeHist.forEach(function(point, index) {
+        var timestamp = new Date(point.timestamp);
+        labels.push(timestamp.toLocaleTimeString());
+
+        oeeData.push(point.value || 0);
+        availData.push((kpiData.availability[index] && kpiData.availability[index].value) || 0);
+        perfData.push((kpiData.performance[index] && kpiData.performance[index].value) || 0);
+        qualData.push((kpiData.quality[index] && kpiData.quality[index].value) || 0);
+      });
+
+      var graphData = {
+        labels: labels,
+        datasets: [
+          { label: 'OEE %', data: oeeData },
+          { label: 'Availability %', data: availData },
+          { label: 'Performance %', data: perfData },
+          { label: 'Quality %', data: qualData }
+        ]
+      };
+
+      createCharts(scope.selectedRange, graphData);
+    }"""
+
+        template = template.replace(old_watch, new_watch)
+
+        node['format'] = template
+        print("✓ Added chartsData handler to Graphs Template")
+        print("  - Now handles both graphData and chartsData message formats")
+        break
+
+with open('/home/mdares/.node-red/flows.json', 'w') as f:
+    json.dump(flows, f, indent=4)
+
+print("✓ flows.json updated")