work on new engine

apps/stock/engine/src/api_new/system.rs

@@ -0,0 +1,77 @@
+use napi_derive::napi;
+use napi::bindgen_prelude::*;
+use std::sync::Arc;
+
+#[napi]
+pub struct SystemAPI {
+    core: Arc<crate::TradingCore>,
+}
+
+impl SystemAPI {
+    pub fn new(core: Arc<crate::TradingCore>) -> Self {
+        Self { core }
+    }
+}
+
+#[napi]
+impl SystemAPI {
+    #[napi]
+    pub async fn start(&self) -> Result<()> {
+        // Start the trading system
+        match self.core.get_mode() {
+            crate::TradingMode::Backtest { .. } => {
+                // Start backtest processing
+                todo!("Start backtest")
+            }
+            crate::TradingMode::Paper { .. } => {
+                // Start paper trading
+                todo!("Start paper trading")
+            }
+            crate::TradingMode::Live { .. } => {
+                // Start live trading
+                todo!("Start live trading")
+            }
+        }
+    }
+    
+    #[napi]
+    pub async fn stop(&self) -> Result<()> {
+        // Stop the trading system
+        todo!("Stop trading system")
+    }
+    
+    #[napi]
+    pub fn get_mode(&self) -> String {
+        match self.core.get_mode() {
+            crate::TradingMode::Backtest { .. } => "backtest".to_string(),
+            crate::TradingMode::Paper { .. } => "paper".to_string(),
+            crate::TradingMode::Live { .. } => "live".to_string(),
+        }
+    }
+    
+    #[napi]
+    pub fn get_current_time(&self) -> String {
+        self.core.get_time().to_rfc3339()
+    }
+    
+    #[napi]
+    pub fn set_risk_limits(&self, limits: String) -> Result<()> {
+        // Parse and set risk limits
+        let limits: serde_json::Value = serde_json::from_str(&limits)
+            .map_err(|e| Error::from_reason(format!("Invalid limits: {}", e)))?;
+            
+        todo!("Set risk limits")
+    }
+    
+    #[napi]
+    pub fn get_risk_metrics(&self) -> Result<JsObject> {
+        // Get current risk metrics
+        todo!("Get risk metrics")
+    }
+    
+    #[napi]
+    pub fn get_analytics(&self) -> Result<JsObject> {
+        // Get trading analytics
+        todo!("Get analytics")
+    }
+}