Show circuit protection in saved layouts

tests/circuit-grid-model.test.ts

@@ -6,12 +6,14 @@ import {
   buildDeviceRowEditPatch,
   formatValue,
   getCircuitSectionLabel,
+  getLegacyProjectColumnLayoutStorageKey,
   getProjectColumnLayoutStorageKey,
   isGridEditorControlTarget,
   getBlockSortValue,
   getCellKind,
   getCircuitValue,
   getDeviceValue,
+  migrateLegacyColumnLayout,
   parseStoredColumnLayout,
   parseNumeric,
 } from "../src/frontend/utils/circuit-grid-model.js";
@@ -79,6 +81,10 @@ describe("circuit grid model", () => {
   it("stores valid column layouts under a project-specific key", () => {
     assert.equal(
       getProjectColumnLayoutStorageKey("project-1"),
+      "circuitTreeEditor.columnLayout.v3.project-1"
+    );
+    assert.equal(
+      getLegacyProjectColumnLayoutStorageKey("project-1"),
       "circuitTreeEditor.columnLayout.v2.project-1"
     );
     const layout = parseStoredColumnLayout(
@@ -100,6 +106,39 @@ describe("circuit grid model", () => {
     assert.equal(parseStoredColumnLayout("{invalid"), null);
   });
 
+  it("adds the circuit protection column to legacy project layouts", () => {
+    const legacyLayout = parseStoredColumnLayout(
+      JSON.stringify({
+        order: [
+          "equipmentIdentifier",
+          "displayName",
+          "rowTotalPower",
+          "remark",
+        ],
+        visible: [
+          "equipmentIdentifier",
+          "displayName",
+          "rowTotalPower",
+          "remark",
+        ],
+      })
+    );
+    assert.ok(legacyLayout);
+
+    const migrated = migrateLegacyColumnLayout(legacyLayout);
+    assert.equal(
+      migrated.order.indexOf("protectionSummary"),
+      migrated.order.indexOf("rowTotalPower") + 1
+    );
+    assert.deepEqual(migrated.visible, [
+      "equipmentIdentifier",
+      "displayName",
+      "rowTotalPower",
+      "remark",
+      "protectionSummary",
+    ]);
+  });
+
   it("shows stable circuit sections with German labels", () => {
     assert.equal(
       getCircuitSectionLabel({