feat: saxo

frontend/src/hooks/useApi.ts

@@ -1738,7 +1738,18 @@ export type SaxoSnapshotRow = {
   expiry_date: string; strike: number; option_type: 'call' | 'put'
   bid: number | null; ask: number | null; mid: number | null; volatility_pct: number | null
   delta: number | null; gamma: number | null; theta: number | null; vega: number | null
-  created_at: string
+  is_synthetic?: number; created_at: string
+}
+
+export const useDedupeSaxoHistory = () => {
+  const qc = useQueryClient()
+  return useMutation({
+    mutationFn: () => api.post('/saxo/history/dedupe').then(r => r.data as { rows_deleted: number }),
+    onSuccess: () => {
+      qc.invalidateQueries({ queryKey: ['saxo-history'] })
+      qc.invalidateQueries({ queryKey: ['saxo-symbols'] })
+    },
+  })
 }
 
 export const useSaxoHistory = (symbol?: string, dateFrom?: string, dateTo?: string) =>