refactor(ui): finalize review fixes for action cards and view model

- Guard ActionCard click-outside listener behind open state
- Add aria-expanded to ActionGroup collapse toggle
- Use optional chaining and drop non-null assertions in column projection

src/state/__tests__/persistence.test.ts

@@ -25,8 +25,20 @@ function queueTestContent() {
   return buildContent({
     resources: [{ id: 'gold', name: 'Gold', startAmount: 0 }],
     actions: [
-      { id: 'a', name: 'A', group: DEFAULT_GROUP, durationMs: 3000, yields: [{ resourceId: 'gold', amount: 1 }] },
-      { id: 'b', name: 'B', group: DEFAULT_GROUP, durationMs: 3000, yields: [{ resourceId: 'gold', amount: 1 }] },
+      {
+        id: 'a',
+        name: 'A',
+        group: DEFAULT_GROUP,
+        durationMs: 3000,
+        yields: [{ resourceId: 'gold', amount: 1 }],
+      },
+      {
+        id: 'b',
+        name: 'B',
+        group: DEFAULT_GROUP,
+        durationMs: 3000,
+        yields: [{ resourceId: 'gold', amount: 1 }],
+      },
     ],
   });
 }