feat(paper): 组合策略接入模拟盘实走(E1+E2): paper_accounts加strategy_type列(含迁移); portfolio_paper每晚20:30全量重放→当日成交/末日持仓/净值落paper表(幂等,回测引擎为单一真相源); run_live_step按类型分流; create支持portfolio(仅live); 前端新建模拟盘策略类型选择+组合字段(策略/池/上限/基准) [vps]

frontend/src/api/paper.ts

@@ -16,6 +16,11 @@ export interface PaperCreate {
   initial_capital: number
   start: string
   end: string
+  // 组合策略实走（E1）：strategy_type=portfolio 时 mode 须 live
+  strategy_type?: string
+  pool?: string
+  max_pool?: number
+  benchmark?: string
 }
 
 export interface PaperAccount {
@@ -24,6 +29,7 @@ export interface PaperAccount {
   mode: string
   interval: string
   status: string
+  strategy_type?: string
   symbols?: string
   initial_capital?: number
   start_date?: string