feat: Implement container customization and add Portainer installation/removal playbooks.

tests/frontend/dashboard_core.test.js

@@ -686,4 +686,42 @@ describe('main.js - Ad-Hoc widget regression', () => {
     // Since only 2 are displayed but 3 are loaded, load-more must be visible.
     expect(document.getElementById('adhoc-widget-load-more').classList.contains('hidden')).toBe(false);
   });
+
+  it('does not crash structured playbook viewer when parsedOutput.msg is an object', async () => {
+    await import('../../app/main.js');
+
+    const dash = new window.DashboardManager();
+    dash.escapeHtml = (s) => String(s ?? '');
+
+    const parsedOutput = {
+      plays: [
+        {
+          name: 'Test Play',
+          tasks: [
+            {
+              name: 'Task 1',
+              hostResults: [
+                {
+                  hostname: 'host1',
+                  status: 'ok',
+                  parsedOutput: { msg: { hello: 'world', code: 200 } }
+                }
+              ]
+            }
+          ]
+        }
+      ],
+      recap: {
+        host1: { ok: 1, changed: 0, failed: 0, skipped: 0, unreachable: 0 }
+      },
+      metadata: { playbookName: 'dummy.yml' },
+      stats: { totalHosts: 1, totalTasks: 1 }
+    };
+
+    expect(() => dash.renderTaskHierarchy(parsedOutput)).not.toThrow();
+
+    const html = dash.renderTaskHierarchy(parsedOutput);
+    expect(html).toContain('host1');
+    expect(html).toContain('"hello"');
+  });
 });