fix: removed setState within an effect, responsibility moved to parent key

frontend/src/App.tsx

@@ -422,6 +422,7 @@ export default function App() {
         </div>
 
         <NodeModal
+          key={addNodeOpen ? 'add-open' : 'add-closed'}
           open={addNodeOpen}
           onClose={() => setAddNodeOpen(false)}
           onSubmit={handleAddNode}

frontend/src/components/modals/NodeModal.tsx

@@ -1,4 +1,4 @@
-import { createElement, useEffect, useState } from 'react'
+import { createElement, useState } from 'react'
 import { RotateCcw, ChevronDown } from 'lucide-react'
 import { Dialog, DialogContent, DialogHeader, DialogTitle } from '@/components/ui/dialog'
 import { Button } from '@/components/ui/button'
@@ -48,14 +48,6 @@ export function NodeModal({ open, onClose, onSubmit, initial, title = 'Add Node'
   const [iconPickerOpen, setIconPickerOpen] = useState(false)
   const [labelError, setLabelError] = useState(false)
 
-  useEffect(() => {
-    if (!open) return
-    setForm({ ...DEFAULT_DATA, ...initial })
-    setIconSearch('')
-    setIconPickerOpen(false)
-    setLabelError(false)
-  }, [open, initial])
-
   const set = (key: keyof NodeData, value: unknown) =>
     setForm((f) => ({ ...f, [key]: value }))
 

frontend/src/components/modals/__tests__/NodeModal.test.tsx

@@ -134,12 +134,12 @@ describe('NodeModal', () => {
     const onClose = vi.fn()
     const onSubmit = vi.fn()
 
-    const { rerender } = render(<NodeModal open onClose={onClose} onSubmit={onSubmit} />)
+    const { rerender } = render(<NodeModal key="open-1" open onClose={onClose} onSubmit={onSubmit} />)
     fireEvent.change(screen.getByPlaceholderText('My Server'), { target: { value: 'Temp Node' } })
     fireEvent.change(screen.getByPlaceholderText('server.lan'), { target: { value: 'temp.local' } })
 
-    rerender(<NodeModal open={false} onClose={onClose} onSubmit={onSubmit} />)
-    rerender(<NodeModal open onClose={onClose} onSubmit={onSubmit} />)
+    rerender(<NodeModal key="closed" open={false} onClose={onClose} onSubmit={onSubmit} />)
+    rerender(<NodeModal key="open-2" open onClose={onClose} onSubmit={onSubmit} />)
 
     expect((screen.getByPlaceholderText('My Server') as HTMLInputElement).value).toBe('')
     expect((screen.getByPlaceholderText('server.lan') as HTMLInputElement).value).toBe('')