Restore circuit drag placement

src/frontend/utils/circuit-grid-insertion.ts

@@ -87,3 +87,26 @@ export function getInsertionSortOrder(
   const next = entries[index + 1]?.sortOrder;
   return next === undefined ? current + 10 : current + (next - current) / 2;
 }
+
+export function getAdjacentInsertionSortOrder(
+  orderedEntries: Array<{ id: string; sortOrder: number }>,
+  targetId: string,
+  placement: "before" | "after"
+): number {
+  const entries = [...orderedEntries].sort(
+    (left, right) =>
+      left.sortOrder - right.sortOrder ||
+      left.id.localeCompare(right.id)
+  );
+  const index = entries.findIndex((entry) => entry.id === targetId);
+  if (index < 0) {
+    throw new Error("Der Zielstromkreis wurde nicht gefunden.");
+  }
+  if (placement === "after") {
+    return getInsertionSortOrder(entries, targetId);
+  }
+  const previous = entries[index - 1];
+  return previous
+    ? getInsertionSortOrder(entries, previous.id)
+    : entries[index].sortOrder - 10;
+}

src/frontend/utils/circuit-grid-model.ts

@@ -144,8 +144,15 @@ const circuitSectionLabels: Record<string, string> = {
 };
 
 export function getCircuitSectionLabel(
-  section: { key: string; displayName: string }
+  section: {
+    key: string;
+    displayName: string;
+    category?: string;
+  }
 ): string {
+  if (section.category) {
+    return section.displayName;
+  }
   return circuitSectionLabels[section.key] ?? section.displayName;
 }