fix(examples): complete ui-chart required props in edge.flow.json (flow-lint)

State-code chart was missing interpolation, axis property types, action, colors.
Lint-clean.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

examples/edge.flow.json

@@ -322,6 +322,22 @@
     "removeOlderUnit": "3600",
     "x": 1230,
     "y": 300,
-    "wires": []
+    "wires": [],
+    "interpolation": "linear",
+    "xAxisPropertyType": "timestamp",
+    "yAxisProperty": "payload",
+    "yAxisPropertyType": "msg",
+    "action": "append",
+    "colors": [
+      "#0095FF",
+      "#FF0000",
+      "#FF7F0E",
+      "#2CA02C",
+      "#A347E1",
+      "#D62728",
+      "#FF9896",
+      "#9467BD",
+      "#C5B0D5"
+    ]
   }
 ]