fix: scan no longer triggers before user confirms in ScanConfigModal

frontend/src/components/panels/Sidebar.tsx

@@ -53,15 +53,8 @@ export function Sidebar({ onAddNode, onAddGroupRect, onScan, onSave, onNodeAppro
   const onlineCount = networkNodes.filter((n) => n.data.status === 'online').length
   const offlineCount = networkNodes.filter((n) => n.data.status === 'offline').length
 
-  const handleScan = useCallback(async () => {
-    try {
-      await scanApi.trigger()
-      toast.success('Network scan started — check Scan History for results')
-      setActiveView('history')
-      onScan()
-    } catch {
-      toast.error('Failed to trigger scan')
-    }
+  const handleScan = useCallback(() => {
+    onScan()
   }, [onScan])
 
   return (

frontend/src/components/panels/__tests__/Sidebar.test.tsx

@@ -222,20 +222,12 @@ describe('Sidebar', () => {
 
   // ── Scan action ────────────────────────────────────────────────────────────
 
-  it('calls scanApi.trigger and onScan prop when Scan Network is clicked', async () => {
-    const { scanApi } = await import('@/api/client')
+  it('calls onScan prop when Scan Network is clicked (scan trigger moved to ScanConfigModal)', () => {
     render(<Sidebar {...defaultProps} />)
     fireEvent.click(screen.getByText('Scan Network'))
-    await waitFor(() => expect(scanApi.trigger).toHaveBeenCalledOnce())
     expect(defaultProps.onScan).toHaveBeenCalledOnce()
   })
 
-  it('switches to Scan History view after scan is triggered', async () => {
-    render(<Sidebar {...defaultProps} />)
-    fireEvent.click(screen.getByText('Scan Network'))
-    await waitFor(() => expect(screen.getByText('History')).toBeInTheDocument())
-  })
-
   // ── Navigation ─────────────────────────────────────────────────────────────
 
   it('shows Pending panel when Pending Devices nav item is clicked', async () => {