Saxo connector

frontend/src/hooks/useApi.ts

@@ -1664,3 +1664,59 @@ export const useDeleteSavedStrategy = () => {
     onSuccess: () => qc.invalidateQueries({ queryKey: ['saved-strategies'] }),
   })
 }
+
+// ── Saxo connection ───────────────────────────────────────────────────────────
+
+export type SaxoStatus = {
+  connected: boolean; configured: boolean; environment: string
+  expires_at?: string; refresh_expires_at?: string
+}
+
+export const useSaxoStatus = () =>
+  useQuery<SaxoStatus>({
+    queryKey: ['saxo-status'],
+    queryFn: () => api.get('/saxo/status').then(r => r.data),
+    refetchInterval: 60_000,
+  })
+
+export const useDisconnectSaxo = () => {
+  const qc = useQueryClient()
+  return useMutation({
+    mutationFn: () => api.post('/saxo/disconnect').then(r => r.data),
+    onSuccess: () => qc.invalidateQueries({ queryKey: ['saxo-status'] }),
+  })
+}
+
+export const useSaxoWatchlist = () =>
+  useQuery<{ symbols: string[] }>({
+    queryKey: ['saxo-watchlist'],
+    queryFn: () => api.get('/saxo/watchlist').then(r => r.data),
+  })
+
+export const useUpdateSaxoWatchlist = () => {
+  const qc = useQueryClient()
+  return useMutation({
+    mutationFn: (symbols: string[]) => api.put('/saxo/watchlist', { symbols }).then(r => r.data),
+    onSuccess: () => qc.invalidateQueries({ queryKey: ['saxo-watchlist'] }),
+  })
+}
+
+export const useSnapshotSaxoNow = () =>
+  useMutation({
+    mutationFn: (symbol: string) => api.post(`/saxo/snapshot-now/${encodeURIComponent(symbol)}`).then(r => r.data),
+  })
+
+export type SaxoSnapshotRow = {
+  id: string; symbol: string; snapshot_date: string; spot: number | null
+  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
+}
+
+export const useSaxoHistory = (symbol?: string) =>
+  useQuery<SaxoSnapshotRow[]>({
+    queryKey: ['saxo-history', symbol],
+    queryFn: () => api.get('/saxo/history', { params: symbol ? { symbol } : {} }).then(r => r.data),
+    enabled: !!symbol,
+  })