Expose open order runtime fields

crates/fidc-core/src/events.rs

@@ -47,6 +47,18 @@ pub enum OrderStatus {
     Rejected,
 }
 
+impl OrderStatus {
+    pub fn as_str(&self) -> &'static str {
+        match self {
+            Self::Pending => "pending",
+            Self::Filled => "filled",
+            Self::PartiallyFilled => "partially_filled",
+            Self::Canceled => "canceled",
+            Self::Rejected => "rejected",
+        }
+    }
+}
+
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct OrderEvent {
     #[serde(with = "date_format")]