新增聊天室刷新同步与全员刷新功能

tests/Feature/ChatControllerTest.php

@@ -215,6 +215,41 @@ class ChatControllerTest extends TestCase
         $response->assertDontSee("runAdminAction('announce-message')", false);
     }
 
+    /**
+     * 测试站长即使没有在职职务，也能看到管理菜单中的刷新全员按钮。
+     */
+    public function test_room_view_shows_refresh_all_button_for_site_owner(): void
+    {
+        $room = Room::create(['room_name' => 'owner-rf']);
+        $user = User::factory()->create([
+            'id' => 1,
+            'user_level' => 100,
+        ]);
+
+        $response = $this->actingAs($user)->get(route('chat.room', $room->id));
+
+        $response->assertOk();
+        $response->assertSee('🛠 管理', false);
+        $response->assertSee("runAdminAction('refresh-all')", false);
+        $response->assertSee('♻️ 刷新全员', false);
+    }
+
+    /**
+     * 测试普通职务用户不会看到刷新全员按钮。
+     */
+    public function test_room_view_hides_refresh_all_button_for_non_site_owner(): void
+    {
+        $room = Room::create(['room_name' => 'normal-rf']);
+        $user = $this->createUserWithPositionPermissions([
+            PositionPermissionRegistry::ROOM_ANNOUNCEMENT,
+        ]);
+
+        $response = $this->actingAs($user)->get(route('chat.room', $room->id));
+
+        $response->assertOk();
+        $response->assertDontSee("runAdminAction('refresh-all')", false);
+    }
+
     /**
      * 测试用户可以发送普通文本消息。
      */