feat(network): add inline label editing on DeviceNode (double-click)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/components/network/nodes/DeviceNode.tsx

@@ -1,6 +1,6 @@
-import { memo } from 'react'
-import { Position, NodeResizer, type NodeProps } from '@xyflow/react'
-import { BaseNode, BaseNodeHeader, BaseNodeHeaderTitle, BaseNodeContent } from '../ui/base-node'
+import { memo, useState, useRef, useEffect } from 'react'
+import { Position, NodeResizer, useReactFlow, type NodeProps } from '@xyflow/react'
+import { BaseNode, BaseNodeHeader, BaseNodeContent } from '../ui/base-node'
 import { BaseHandle } from '../ui/base-handle'
 import { NodeStatusIndicator, type NodeStatus } from '../ui/node-status-indicator'
 import { NodeTooltip, NodeTooltipTrigger, NodeTooltipContent } from '../ui/node-tooltip'
@@ -29,7 +29,7 @@ const NODE_DEFAULT = 120  // default square side in px
 const NODE_MIN = 80       // minimum square side in px
 const NODE_MAX = 280      // maximum square side in px
 
-function DeviceNodeComponent({ data, selected, width, height }: NodeProps) {
+function DeviceNodeComponent({ id, data, selected, width, height }: NodeProps) {
   const nodeData = data as unknown as DeviceNodeData
   const { icon: Icon, color } = getDeviceRenderConfig(nodeData.deviceType, nodeData.category)
   const status = (nodeData.properties?.status || 'unknown') as NodeStatus
@@ -47,6 +47,23 @@ function DeviceNodeComponent({ data, selected, width, height }: NodeProps) {
   // IP font: 9px at default, clamped to [8, 16]
   const ipPx = Math.max(8, Math.min(16, Math.round(scale * 9)))
 
+  const [editing, setEditing] = useState(false)
+  const [labelValue, setLabelValue] = useState(nodeData.label ?? '')
+  const inputRef = useRef<HTMLInputElement>(null)
+  const { updateNodeData } = useReactFlow()
+
+  useEffect(() => {
+    if (editing) {
+      inputRef.current?.focus()
+      inputRef.current?.select()
+    }
+  }, [editing])
+
+  // Sync if data.label changes externally (e.g. undo/redo)
+  useEffect(() => {
+    if (!editing) setLabelValue(nodeData.label ?? '')
+  }, [nodeData.label, editing])
+
   const hasTooltipContent = props.hostname || props.ip || props.vendor || props.model || props.role || props.notes
 
   return (
@@ -67,9 +84,40 @@ function DeviceNodeComponent({ data, selected, width, height }: NodeProps) {
             <BaseNode className="w-full h-full group flex flex-col items-center justify-center">
               <BaseNodeHeader className="flex-col gap-1 items-center py-2 px-2">
                 <Icon size={iconPx} style={{ color }} />
-                <BaseNodeHeaderTitle className="text-center leading-tight" style={{ fontSize: labelPx }}>
-                  {nodeData.label}
-                </BaseNodeHeaderTitle>
+                {editing ? (
+                  <input
+                    ref={inputRef}
+                    value={labelValue}
+                    onChange={e => setLabelValue(e.target.value)}
+                    onBlur={() => {
+                      setEditing(false)
+                      if (labelValue !== nodeData.label) {
+                        updateNodeData(id, { ...nodeData, label: labelValue })
+                      }
+                    }}
+                    onKeyDown={e => {
+                      if (e.key === 'Enter') inputRef.current?.blur()
+                      if (e.key === 'Escape') {
+                        setLabelValue(nodeData.label ?? '')
+                        setEditing(false)
+                      }
+                      e.stopPropagation()
+                    }}
+                    style={{ fontSize: labelPx }}
+                    className="bg-transparent border-none outline-none text-center text-primary font-medium w-4/5"
+                  />
+                ) : (
+                  <span
+                    style={{ fontSize: labelPx }}
+                    className="font-medium text-primary text-center leading-tight line-clamp-2 cursor-default"
+                    onDoubleClick={e => {
+                      e.stopPropagation()
+                      setEditing(true)
+                    }}
+                  >
+                    {labelValue}
+                  </span>
+                )}
               </BaseNodeHeader>
               {ip && (
                 <BaseNodeContent className="items-center pt-0 pb-1">