test(engine): Emboss saves as Embs with integer Angl/Hght/Amnt and loads back (#7946)

crates/engine/src/atn_cmds/tests.rs

@@ -1323,6 +1323,28 @@ fn arbitrary_rotation_keeps_interpolation_through_atn() {
     }
 }
 
+/// Filter › Stylize › Emboss saves as Photoshop's `Embs` event with integer `Angl`, `Hght` and
+/// `Amnt`, and loads back as the same step (#7946: it was skipped, so a portable action lost it).
+#[test]
+fn emboss_saves_as_photoshops_event_and_loads_back() {
+    let mut s = Session::new();
+    let params = json!({"angle": 130, "height": 1, "amount": 70});
+    s.actions.list.push(Action::new("Pore", vec![("filter.stylize.emboss".into(), params.clone())]));
+    let r = s.execute("actions.save", json!({"action": "Pore"})).unwrap();
+    assert_eq!(r["skipped"], json!([]));
+    let saved = photocraft_paint::tile::b64_decode(r["data"].as_str().unwrap()).unwrap();
+    let file = atn::parse(&saved).unwrap();
+    let step = &file.actions[0].items[0];
+    assert_eq!(step.event.id(), "Embs");
+    let d = step.descriptor.as_ref().unwrap();
+    for (key, want) in [("Angl", 130), ("Hght", 1), ("Amnt", 70)] {
+        assert_eq!(d.get(key), Some(&D::Integer(want)), "{key}");
+    }
+    let mut t = Session::new();
+    t.execute("actions.load", json!({"data": b64(&saved)})).unwrap();
+    assert_eq!(t.actions.list[0].steps, vec![("filter.stylize.emboss".to_string(), params)]);
+}
+
 /// A filter recorded against a layer mask must not export as a plain filter that edits the
 /// layer's pixels on replay: Photoshop's descriptor has no field for PhotoCraft's `target`.
 #[test]