feat(org-chart): add core cards and fixed-layout integration

packages/org-chart/src/core/logo-legend.ts

@@ -0,0 +1,17 @@
+import type { RenderContext } from './render';
+import { createAffiliationMark } from './affiliation-mark';
+
+export function createLogoLegend(document: Document, context: RenderContext, signal: AbortSignal): HTMLElement {
+  const section = document.createElement('section');
+  section.className = 'hm-orgchart-logo-legend';
+  const heading = document.createElement('h2'); heading.textContent = '관계사·회사 로고';
+  const list = document.createElement('ul'); list.className = 'hm-orgchart-logo-list';
+  for (const affiliation of context.data.affiliations) {
+    const item = document.createElement('li');
+    const name = document.createElement('span'); name.textContent = affiliation.name;
+    item.append(createAffiliationMark(document, affiliation.id, affiliation.name, signal), name);
+    list.append(item);
+  }
+  section.append(heading, list);
+  return section;
+}