docs: align departments and add departmental squads

scripts/portal.test.mjs

@@ -77,6 +77,27 @@ test('Product owns two teams and Technology owns five separate teams', () => {
     }
   }
 });
+test('departments share one row and each has delivery teams below it', () => {
+  const spec = JSON.parse(read('diagrams/organization-structure.architecture.json'));
+  const page = read('docs/organization/structure.mdx');
+  const departments = ['product', 'technology', 'operations', 'marketing', 'finance', 'people'];
+  const nodes = new Map(spec.components.map(n => [n.id, n]));
+  assert.equal(new Set(departments.map(id => nodes.get(id).pos[1])).size, 1);
+  for (const [i, id] of departments.entries()) {
+    const department = nodes.get(id);
+    const teams = spec.connections.filter(e => e.from === id).map(e => nodes.get(e.to));
+    assert.equal(teams.length, i === 0 ? 2 : i === 1 ? 5 : 1);
+    for (const team of teams) {
+      assert(team.pos[1] > department.pos[1] + department.size[1]);
+      assert.equal(team.pos[0], department.pos[0]);
+      assert.deepEqual(spec.connections.filter(e => e.to === team.id).map(e => e.from), [id]);
+      assert(page.includes(team.label));
+    }
+  }
+  for (const [i, a] of spec.components.entries()) for (const b of spec.components.slice(i + 1)) {
+    assert(!(a.pos[0] < b.pos[0] + b.size[0] && a.pos[0] + a.size[0] > b.pos[0] && a.pos[1] < b.pos[1] + b.size[1] && a.pos[1] + a.size[1] > b.pos[1]), `${a.id} overlaps ${b.id}`);
+  }
+});
 test('organization page presents an operating model, not research notes', () => {
   const page = read('docs/organization/structure.mdx');
   assert(page.includes('operating model') && page.includes('## Departments and teams'));