Complete source 6 engineering workflows and preserve release validation evidence

crates/oa-core/src/routing.rs

@@ -607,6 +607,7 @@ fn route_diagram_impl(
                 .flatten();
             routed.label = make_label(
                 project,
+                diagram.view_options.exchange_labels,
                 edge.id,
                 &routed.points,
                 authored_label,
@@ -1232,6 +1233,7 @@ fn label_text(project: &Project, edge: Id) -> String {
         RelationKind::Interaction
         | RelationKind::FunctionalExchange
         | RelationKind::BoundaryExchange
+        | RelationKind::CommunicationMean
         | RelationKind::DataAssociation => relation.name.as_str(),
         RelationKind::CapabilityInclude => "«include»",
         RelationKind::CapabilityExtend => "«extend»",
@@ -1262,8 +1264,11 @@ fn empty_label() -> EdgeLabelGeometry {
     }
 }
 
+// Keep semantic label inputs and the independent collision sets explicit.
+#[allow(clippy::too_many_arguments)]
 fn make_label(
     project: &Project,
+    labels: crate::view_options::ExchangeLabels,
     edge: Id,
     points: &[Position],
     authored: Option<&crate::EdgeLabel>,
@@ -1271,7 +1276,21 @@ fn make_label(
     previous_labels: &[RoutingBounds],
     strokes: &[Segment],
 ) -> EdgeLabelGeometry {
-    let text = label_text(project, edge);
+    let text = if labels != crate::view_options::ExchangeLabels::Name
+        && project
+            .relations
+            .get(&edge)
+            .is_some_and(|r| crate::view_options::exchange_family(r.kind()).is_some())
+    {
+        let label = labels.label(project, edge);
+        if label.chars().count() > 48 {
+            label.chars().take(47).chain(std::iter::once('…')).collect()
+        } else {
+            label
+        }
+    } else {
+        label_text(project, edge)
+    };
     let size = Size {
         width: if text.is_empty() {
             0.0