Implement closed typed semantic review with immutable proposals

crates/oa-core/src/references.rs

@@ -222,6 +222,13 @@ pub fn remap_references(p: &mut Project, old: Id, new: Id) {
         if t.sa == old {
             t.sa = new;
         }
+        if let Some(baseline) = t.baseline.as_mut().and_then(|b| b.semantic.as_mut()) {
+            crate::semantic::visit_semantic_references(baseline, |id| {
+                if *id == old {
+                    *id = new;
+                }
+            });
+        }
     }
 }
 /// IDs removed by a cascade. Cross-layer traced counterparts are never included.