fix(zigbee): inject IEEE/Vendor/Model/LQI props into approved nodes client-side

Backend already writes the properties on approve, but the frontend's local
addNode() call rebuilt NodeData without them — so newly approved zigbee
nodes showed an empty right panel until a full canvas reload. Build the
property list on the client from the PendingDevice fields so the canvas
state matches the DB row immediately. Single + bulk approve flows updated.

frontend/src/utils/zigbeeProperties.ts

@@ -0,0 +1,23 @@
+import type { NodeProperty, NodeType } from '@/types'
+
+const ZIGBEE_TYPES: NodeType[] = ['zigbee_coordinator', 'zigbee_router', 'zigbee_enddevice']
+
+export function isZigbeeType(type: NodeType | string | undefined | null): boolean {
+  return !!type && (ZIGBEE_TYPES as string[]).includes(type)
+}
+
+/** Build the IEEE/Vendor/Model/LQI property rows shown in the right panel.
+ * Matches backend `build_zigbee_properties`. */
+export function buildZigbeeProperties(input: {
+  ieee_address?: string | null
+  vendor?: string | null
+  model?: string | null
+  lqi?: number | null
+}): NodeProperty[] {
+  const props: NodeProperty[] = []
+  if (input.ieee_address) props.push({ key: 'IEEE', value: input.ieee_address, icon: null, visible: true })
+  if (input.vendor) props.push({ key: 'Vendor', value: input.vendor, icon: null, visible: true })
+  if (input.model) props.push({ key: 'Model', value: input.model, icon: null, visible: true })
+  if (input.lqi != null) props.push({ key: 'LQI', value: String(input.lqi), icon: null, visible: true })
+  return props
+}