Add distribution power summaries

src/frontend/utils/api.ts

@@ -299,6 +299,7 @@ export function updateDistributionBoard(
   input: {
     floorId: string | null;
     supplyType: NonNullable<DistributionBoardDto["supplyType"]>;
+    simultaneityFactor: number;
   },
   expectedRevision: number
 ) {

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

@@ -124,6 +124,96 @@ export const defaultVisibleColumnKeys = allColumns
   .filter((column) => column.defaultVisible)
   .map((column) => column.key);
 
+const projectColumnLayoutStoragePrefix =
+  "circuitTreeEditor.columnLayout.v2";
+
+export interface CircuitColumnLayout {
+  order: CellKey[];
+  visible: CellKey[];
+}
+
+const circuitSectionLabels: Record<string, string> = {
+  lighting: "Licht",
+  single_phase: "Einphasig",
+  three_phase: "Dreiphasig",
+  unassigned: "Nicht zugeordnet",
+};
+
+export function getCircuitSectionLabel(
+  section: { key: string; displayName: string }
+): string {
+  return circuitSectionLabels[section.key] ?? section.displayName;
+}
+
+export function getProjectColumnLayoutStorageKey(
+  projectId: string
+): string {
+  return `${projectColumnLayoutStoragePrefix}.${projectId}`;
+}
+
+export function normalizeColumnOrder(keys: CellKey[]): CellKey[] {
+  const unique = [...new Set(keys)];
+  const allKeys = allColumns.map((column) => column.key);
+  const merged = [
+    ...unique,
+    ...allKeys.filter((key) => !unique.includes(key)),
+  ];
+  return [
+    "equipmentIdentifier",
+    ...merged.filter((key) => key !== "equipmentIdentifier"),
+  ];
+}
+
+export function parseStoredColumnLayout(
+  serialized: string | null
+): CircuitColumnLayout | null {
+  if (!serialized) {
+    return null;
+  }
+  try {
+    const parsed = JSON.parse(serialized) as {
+      order?: unknown;
+      visible?: unknown;
+    };
+    if (
+      !Array.isArray(parsed.order) ||
+      !Array.isArray(parsed.visible)
+    ) {
+      return null;
+    }
+    const validKeys = new Set(
+      allColumns.map((column) => column.key)
+    );
+    const order = parsed.order.filter(
+      (key): key is CellKey =>
+        typeof key === "string" &&
+        validKeys.has(key as CellKey)
+    );
+    const visible = [
+      ...new Set(
+        parsed.visible.filter(
+          (key): key is CellKey =>
+            typeof key === "string" &&
+            validKeys.has(key as CellKey)
+        )
+      ),
+    ];
+    if (
+      !order.length ||
+      !visible.length ||
+      !visible.includes("equipmentIdentifier")
+    ) {
+      return null;
+    }
+    return {
+      order: normalizeColumnOrder(order),
+      visible,
+    };
+  } catch {
+    return null;
+  }
+}
+
 const deviceOnlyColumns = new Set<CellKey>([
   "quantity",
   "powerPerUnit",