feat(shadow-desk): P1-b/c 影子柜台常驻进程+本地撮合broker+前端引擎选择: ShadowBroker(实时价±滑点即时成交/佣金印花最低佣金/A股整手/T+1日锁/资金不足拒单/均价加权/duck-typed BrokerBase协议); runner挂bullet_trade LiveEngine同实盘唯一差=broker_factory换影子(双轨对账基础),成交落paper_trades+30s快照落持仓净值; CLI单实例文件锁(python -m sanguo_trader.shadow); paper_accounts加engine列(eod_replay/shadow迁移); 前端:模拟盘新建组合卡撮合引擎单选+列表影子/日终徽标; 10 broker单测 [vps]

frontend/src/api/paper.ts

@@ -21,6 +21,8 @@ export interface PaperCreate {
   pool?: string
   max_pool?: number
   benchmark?: string
+  // 撮合引擎（影子柜台 P1）：eod_replay=日终回放 / shadow=影子柜台
+  engine?: string
 }
 
 export interface PaperAccount {
@@ -30,6 +32,7 @@ export interface PaperAccount {
   interval: string
   status: string
   strategy_type?: string
+  engine?: string
   symbols?: string
   initial_capital?: number
   start_date?: string

frontend/src/api/portfolio.ts

@@ -13,6 +13,8 @@ export interface PortfolioBacktestReq {
   stamp_duty_rate?: number
   min_commission?: number
   slippage?: number
+  // K线周期(组合回放暂仅日线 d)
+  interval?: string
 }
 
 export interface EquityPoint {

frontend/src/styles/chips.css

@@ -34,6 +34,12 @@
   background: rgba(255, 176, 0, 0.1);
   border-color: rgba(255, 176, 0, 0.3);
 }
+.chip-shadow {
+  color: var(--brand);
+  background: rgba(0, 229, 255, 0.1);
+  border-color: rgba(0, 229, 255, 0.3);
+  margin-left: 4px;
+}
 .chip-portfolio {
   color: var(--amber);
   background: rgba(255, 176, 0, 0.08);

frontend/src/views/paper/List.vue

@@ -188,7 +188,12 @@ async function saveEdit(): Promise<void> {
           </template>
         </el-table-column>
         <el-table-column label="模式" width="80">
-          <template #default="{ row }"><span class="chip chip-paper">{{ modeLabel[row.mode] || row.mode }}</span></template>
+          <template #default="{ row }">
+            <span class="chip chip-paper">{{ modeLabel[row.mode] || row.mode }}</span>
+            <span v-if="row.strategy_type === 'portfolio'" class="chip chip-shadow" title="影子柜台=盘中实时本地撮合 / 日终回放=每晚全量重放">
+              {{ row.engine === 'shadow' ? '影子' : '日终' }}
+            </span>
+          </template>
         </el-table-column>
         <el-table-column label="频率" width="70">
           <template #default="{ row }"><span class="mono">{{ row.interval }}</span></template>

frontend/src/views/paper/New.vue

@@ -115,6 +115,8 @@ onMounted(async () => {
 
 const isPortfolio = computed(() => strategyType.value === 'portfolio')
 const portfolioStrategy = ref('all_weather')
+// 撮合引擎:日终回放(NAS 每晚 20:30) / 影子柜台(VPS 盘中实时本地撮合)
+const engine = ref<'eod_replay' | 'shadow'>('eod_replay')
 
 function setMode(m: string): void {
   // 组合类型锁定实走：回放卡片不可选（历史回放走「组合回测」页）
@@ -149,9 +151,12 @@ async function onSubmit(): Promise<void> {
       payload.pool = poolForm.pool
       payload.max_pool = Number(poolForm.max_pool)
       payload.benchmark = poolForm.benchmark
+      payload.engine = engine.value
     }
     const aid = await createPaper(payload)
-    ElMessage.success(`已创建模拟盘 #${aid}（今晚 20:30 起每日结算）`)
+    ElMessage.success(strategyType.value === 'portfolio' && engine.value === 'shadow'
+      ? `已创建影子柜台模拟盘 #${aid}（VPS 柜台运行期间盘中实时结算）`
+      : `已创建模拟盘 #${aid}（今晚 20:30 起每日结算）`)
     router.push(payload.mode === 'live' ? `/paper/live/${aid}` : `/paper/result/${aid}`)
   } catch (e: unknown) {
     ElMessage.error(e instanceof Error ? e.message : '创建失败')
@@ -245,6 +250,17 @@ function onSymbols(v: string): void {
             <el-option v-for="b in BENCH_OPTIONS" :key="b.value" :label="b.label" :value="b.value" />
           </el-select>
         </el-form-item>
+        <el-form-item label="撮合引擎">
+          <el-radio-group v-model="engine">
+            <el-radio-button value="eod_replay">日终回放</el-radio-button>
+            <el-radio-button value="shadow">影子柜台</el-radio-button>
+          </el-radio-group>
+          <span class="muted form-hint">
+            {{ engine === 'shadow'
+              ? 'VPS 盘中实时行情本地撮合(需 VPS 影子柜台进程运行中)'
+              : '每晚 20:30 全量重放结算(NAS)' }}
+          </span>
+        </el-form-item>
       </el-form>
       <el-form v-else :model="form" label-width="120px">
         <el-form-item label="标的（逗号分隔）">