fix: Confirmations should apply to all actions (#1959)

This also refactors how generic HA actions are handled, and improves
typing of actions.


[skip ci]

tests/card-controller/actions/actions/custom.test.ts

@@ -0,0 +1,37 @@
+import { afterEach, describe, expect, it, vi } from 'vitest';
+import { CustomAction } from '../../../../src/card-controller/actions/actions/custom';
+import { createCardAPI } from '../../../test-utils';
+
+// @vitest-environment jsdom
+describe('CustomAction', () => {
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  it('should open the URL in a new window', async () => {
+    const handler = vi.fn();
+    const element = document.createElement('div');
+    element.addEventListener('ll-custom', handler);
+
+    const api = createCardAPI();
+    vi.mocked(api.getCardElementManager().getElement).mockReturnValue(element);
+
+    const action = new CustomAction(
+      {},
+      {
+        action: 'fire-dom-event' as const,
+        foo: 'bar',
+        1: 2,
+      },
+      {},
+    );
+
+    await action.execute(api);
+
+    expect(handler).toBeCalledWith(
+      expect.objectContaining({
+        detail: { action: 'fire-dom-event', foo: 'bar', 1: 2 },
+      }),
+    );
+  });
+});