Add typed data contract editing and bounded dictionary views

crates/oa-desktop/src/port_preview.rs

@@ -157,12 +157,9 @@ pub fn port_context_rows(project: &Project, port: Id) -> Vec<String> {
     }
     if let Some(legacy) = legacy {
         rows.push(legacy_line(&context, legacy));
-        if let Some(interface) = legacy.interface
-            && let Some(SharedBody::Interface { items }) =
-                context.element(interface).and_then(Element::shared)
-        {
-            for item in items {
-                origins.entry(*item).or_default().push(format!(
+        if let Some(interface) = legacy.interface {
+            for item in data::interface_items(project, interface) {
+                origins.entry(item).or_default().push(format!(
                     "preserved interface {} (suggestion only; not an active typed contract)",
                     context.label(interface)
                 ));
@@ -711,11 +708,17 @@ mod tests {
         let (other_fe, commands) = exchange(&mut project, source, target, vec![second]);
         project = execute_batch(&project, &commands).unwrap();
         let interface = add(&mut project, Kind::Interface, "Incident service");
-        project.elements.get_mut(&interface).unwrap().body = ElementBody::shared_in(
-            Layer::Sa,
-            SharedBody::Interface {
-                items: vec![first, second],
-            },
+        project.relate(
+            RelationKind::InterfaceItemAllocation,
+            "First item",
+            interface,
+            first,
+        );
+        project.relate(
+            RelationKind::InterfaceItemAllocation,
+            "Second item",
+            interface,
+            second,
         );
         let connection = &project.relations[&boundary];
         let (a, b) = (connection.source(), connection.target());
@@ -790,8 +793,12 @@ mod tests {
             ..
         } = fixture();
         let interface = add(&mut project, Kind::Interface, "Preserved contract");
-        project.elements.get_mut(&interface).unwrap().body =
-            ElementBody::shared_in(Layer::Sa, SharedBody::Interface { items: vec![first] });
+        project.relate(
+            RelationKind::InterfaceItemAllocation,
+            "Allocated item",
+            interface,
+            first,
+        );
         let legacy = port(
             &mut project,
             source,