Save unverified allocation and repair work at user-requested pause

crates/oa-desktop/src/allocation_drag.rs

@@ -416,6 +416,12 @@ impl Rect {
             && other.position.x + other.size.width <= self.position.x + self.size.width
             && other.position.y + other.size.height <= self.position.y + self.size.height
     }
+    fn overlaps(self, other: Self) -> bool {
+        self.position.x < other.position.x + other.size.width
+            && other.position.x < self.position.x + self.size.width
+            && self.position.y < other.position.y + other.size.height
+            && other.position.y < self.position.y + self.size.height
+    }
 }
 
 #[derive(Debug, Clone, Copy, PartialEq)]
@@ -583,6 +589,18 @@ pub fn place(
             "Make room or adjust the view, then drag again.".into(),
         ));
     }
+    // A performer may legitimately enclose the work, but its frozen feedback
+    // label is painted above the candidate. Check their joint readability after
+    // projection, including same-performer moves; never shift either rectangle.
+    if presentation
+        .target
+        .is_some_and(|target| header.overlaps(target.label))
+    {
+        return Err(Refusal::LayoutRequired(
+            "The work header overlaps the performer label. Aim below or beside the label, then drag again."
+                .into(),
+        ));
+    }
     Ok(PlacementPlan {
         diagram,
         view,