add needed tangential arc params to the serializable path

src/wasm-lib/kcl/src/executor.rs

@@ -1459,8 +1459,10 @@ pub enum Path {
         #[serde(flatten)]
         base: BasePath,
         /// angle range
+        #[ts(type = "[number, number]")]
         angle_range: [f64; 2],
         /// center
+        #[ts(type = "[number, number]")]
         center: [f64; 2],
         /// the arc's radius
         radius: f64,
@@ -1484,6 +1486,10 @@ pub enum Path {
         center: [f64; 2],
         /// arc's direction
         ccw: bool,
+        /// the arc's radius
+        radius: f64,
+        /// the arc's angle offset
+        offset: f64,
     },
     // TODO: consolidate segment enums, remove Circle. https://github.com/KittyCAD/modeling-app/issues/3940
     /// a complete arc

src/wasm-lib/kcl/src/std/sketch.rs

@@ -1693,7 +1693,7 @@ async fn inner_tangential_arc(
 
     let id = uuid::Uuid::new_v4();
 
-    let (center, to, ccw) = match data {
+    let (center, to, ccw, radius, offset) = match data {
         TangentialArcData::RadiusAndOffset { radius, offset } => {
             // KCL stdlib types use degrees.
             let offset = Angle::from_degrees(offset);
@@ -1731,13 +1731,15 @@ async fn inner_tangential_arc(
                 }),
             )
             .await?;
-            (center, to.into(), ccw)
+            (center, to.into(), ccw, radius, offset)
         }
     };
 
     let current_path = Path::TangentialArc {
         ccw,
         center: center.into(),
+        radius,
+        offset: offset.to_degrees(),
         base: BasePath {
             from: from.into(),
             to,