feat: 创建组合选择策略时自动带入策略配置的标的作为初始持仓

AssetManager.Services/PortfolioService.cs

@@ -36,8 +36,55 @@ public class PortfolioService : IPortfolioService
 
         _db.Insertable(portfolio).ExecuteCommand();
 
+        // 如果选择了策略，自动加载策略配置的标的作为初始持仓
+        var strategyStocks = new List<StockItem>();
+        if (!string.IsNullOrEmpty(request.strategyId))
+        {
+            var strategy = _db.Queryable<Strategy>()
+                .Where(s => s.Id == request.strategyId && s.UserId == userId)
+                .First();
+            
+            if (strategy != null && !string.IsNullOrEmpty(strategy.Config))
+            {
+                try
+                {
+                    // 风险平价策略
+                    if (strategy.Type?.Equals("risk_parity", StringComparison.OrdinalIgnoreCase) == true)
+                    {
+                        var config = System.Text.Json.JsonSerializer.Deserialize<RiskParityConfig>(strategy.Config);
+                        if (config?.Assets != null)
+                        {
+                            foreach (var asset in config.Assets)
+                            {
+                                if (!string.IsNullOrEmpty(asset.Symbol))
+                                {
+                                    strategyStocks.Add(new StockItem
+                                    {
+                                        code = asset.Symbol,
+                                        name = asset.Symbol,
+                                        price = 0, // 价格留空，用户后续填写
+                                        amount = 0, // 数量留空，用户后续填写
+                                        currency = request.currency,
+                                        assetType = "Stock"
+                                    });
+                                }
+                            }
+                        }
+                    }
+                    // 其他策略类型可以在这里扩展
+                }
+                catch (Exception ex)
+                {
+                    _logger.LogError(ex, "解析策略配置失败，策略ID: {StrategyId}", request.strategyId);
+                }
+            }
+        }
+
+        // 合并用户传入的持仓和策略自动生成的持仓
+        var allStocks = (request.stocks ?? new List<StockItem>()).Concat(strategyStocks).DistinctBy(s => s.code).ToList();
+
         // 创建初始持仓
-        foreach (var stock in request.stocks ?? new List<StockItem>())
+        foreach (var stock in allStocks)
         {
             if (stock.code == null || stock.name == null)
             {