Render protected circuit structure

tests/circuit-grid-insertion.test.ts

@@ -2,10 +2,18 @@ import assert from "node:assert/strict";
 import { describe, it } from "node:test";
 import {
   getInsertionSortOrder,
+  isGridInsertionRowType,
   resolveGridInsertionIntent,
 } from "../src/frontend/utils/circuit-grid-insertion.js";
 
 describe("circuit grid insertion", () => {
+  it("excludes structural rows from insertion and deletion commands", () => {
+    assert.equal(isGridInsertionRowType("headerComponent"), false);
+    assert.equal(isGridInsertionRowType("groupComponent"), false);
+    assert.equal(isGridInsertionRowType("footerComponent"), false);
+    assert.equal(isGridInsertionRowType("circuitCompact"), true);
+  });
+
   it("inserts a circuit after circuit-level selections", () => {
     assert.deepEqual(
       resolveGridInsertionIntent(

tests/circuit-grid-projection.test.ts

@@ -2,6 +2,7 @@ import assert from "node:assert/strict";
 import { describe, it } from "node:test";
 import {
   buildVisibleGridRows,
+  buildVisibleGridRowsWithStructure,
   filterAndSortCircuitSections,
   getDistinctFilterValues,
 } from "../src/frontend/utils/circuit-grid-projection.js";
@@ -176,6 +177,66 @@ describe("circuit grid projection", () => {
     );
   });
 
+  it("normalizes structural component rows around complete circuit groups", () => {
+    const component = {
+      circuitListId: "list-1",
+      equipmentIdentifier: "-Q0",
+      name: "Hauptschalter",
+      role: "main_switch" as const,
+      placement: "header" as const,
+      sortOrder: 10,
+    };
+    const groupedSections = sections.map((section) => ({
+      ...section,
+      components: [
+        {
+          ...component,
+          id: "group-rcd",
+          sectionId: section.id,
+          equipmentIdentifier: "-1Q1.0",
+          name: "Gruppen-FI",
+          role: "group_residual_current_protection" as const,
+          placement: "group" as const,
+        },
+      ],
+    }));
+    const rows = buildVisibleGridRowsWithStructure(groupedSections, {
+      headerComponents: [{ ...component, id: "main" }],
+      footerComponents: [
+        {
+          ...component,
+          id: "actor",
+          equipmentIdentifier: "-K1",
+          name: "KNX Aktor",
+          role: "auxiliary",
+          placement: "footer",
+        },
+      ],
+    });
+
+    assert.deepEqual(
+      rows.map((row) => row.rowType),
+      [
+        "headerComponent",
+        "section",
+        "groupComponent",
+        "circuitCompact",
+        "circuitSummary",
+        "deviceRow",
+        "deviceRow",
+        "reserveCircuit",
+        "placeholder",
+        "footerComponent",
+      ]
+    );
+    assert.equal(
+      rows.find((row) => row.rowType === "groupComponent")?.cells.some(
+        (cell) => cell.editable
+      ),
+      false
+    );
+  });
+
   it("collects filter options from both circuit and device values", () => {
     const values = getDistinctFilterValues(sections, [
       { key: "displayName", label: "Display name" },