feat: chatbot

frontend/src/hooks/useApi.ts

@@ -1429,7 +1429,7 @@ export function useScoreText() {
 
 // ── AI Chat widget — free-form, read-only, context-aware conversation ────────
 
-export interface ChatMessage { role: 'user' | 'assistant'; content: string; created_at?: string }
+export interface ChatMessage { role: 'user' | 'assistant'; content: string; created_at?: string; trade_proposal?: TradeProposalRef | null }
 
 export const useChatContextBlocks = () =>
   useQuery({
@@ -1446,13 +1446,61 @@ export const useChatHistory = (sessionId: string) =>
     staleTime: Infinity,
   })
 
+export interface TradeProposalRef { id: string; title?: string; underlying?: string; strategy?: string }
+
 export const useSendChatMessage = () =>
   useMutation({
     mutationFn: (body: { session_id: string; message: string; enabled_blocks?: string[]; refresh_context?: boolean }) =>
-      api.post('/ai-chat/', body).then(r => r.data as { reply: string; blocks_included: string[] }),
+      api.post('/ai-chat/', body).then(r => r.data as { reply: string; blocks_included: string[]; trade_proposal: TradeProposalRef | null }),
   })
 
 export const useClearChatSession = () =>
   useMutation({
     mutationFn: (sessionId: string) => api.post('/ai-chat/clear', { session_id: sessionId }).then(r => r.data),
   })
+
+// ── AI Chat widget — trade proposals (pending confirmation) ──────────────────
+
+export interface AiTradeProposal {
+  id: string
+  session_id: string
+  created_at: string
+  status: 'pending' | 'confirmed' | 'rejected'
+  title: string
+  underlying: string
+  strategy: string
+  asset_class: string
+  expiry_days: number
+  capital_invested: number
+  legs: Array<{ strike: number; option_type: string; quantity: number; position: string }>
+  geo_trigger: string
+  rationale: string
+  portfolio_id?: string | null
+}
+
+export const useAiTradeProposals = (status: string = 'pending') =>
+  useQuery({
+    queryKey: ['ai-trade-proposals', status],
+    queryFn: () => api.get('/ai-chat/trade-proposals', { params: { status } }).then(r => r.data.proposals as AiTradeProposal[]),
+    refetchInterval: 30000,
+  })
+
+export const useConfirmAiTradeProposal = () => {
+  const qc = useQueryClient()
+  return useMutation({
+    mutationFn: (proposalId: string) => api.post(`/ai-chat/trade-proposals/${proposalId}/confirm`).then(r => r.data),
+    onSuccess: () => {
+      qc.invalidateQueries({ queryKey: ['ai-trade-proposals'] })
+      qc.invalidateQueries({ queryKey: ['portfolio'] })
+      qc.invalidateQueries({ queryKey: ['portfolio-summary'] })
+    },
+  })
+}
+
+export const useRejectAiTradeProposal = () => {
+  const qc = useQueryClient()
+  return useMutation({
+    mutationFn: (proposalId: string) => api.post(`/ai-chat/trade-proposals/${proposalId}/reject`).then(r => r.data),
+    onSuccess: () => qc.invalidateQueries({ queryKey: ['ai-trade-proposals'] }),
+  })
+}