修复普通定向发言公屏可见

app/Events/MessageSent.php

@@ -26,9 +26,9 @@ class MessageSent implements ShouldBroadcastNow
     use Dispatchable, InteractsWithSockets, SerializesModels;
 
     /**
-     * Create a new event instance.
+     * 创建消息广播事件实例。
      *
-     * @param  int  $roomId  房间ID
+     * @param  int  $roomId  房间 ID
      * @param  array  $message  发送的消息数据
      */
     public function __construct(
@@ -39,8 +39,8 @@ class MessageSent implements ShouldBroadcastNow
     /**
      * 获取消息应广播到的频道。
      *
-     * 公共消息走房间 Presence 频道；
-     * 定向消息 / 悄悄话只发给发送方与接收方的私有用户频道。
+     * 公共消息和普通定向发言走房间 Presence 频道；
+     * 悄悄话只发给发送方与接收方的私有用户频道。
      *
      * @return array<int, \Illuminate\Broadcasting\Channel>
      */
@@ -78,9 +78,7 @@ class MessageSent implements ShouldBroadcastNow
      */
     private function shouldBroadcastPrivately(): bool
     {
-        $toUser = trim((string) ($this->message['to_user'] ?? ''));
-
-        return $toUser !== '' && $toUser !== '大家';
+        return (bool) ($this->message['is_secret'] ?? false);
     }
 
     /**

app/Http/Controllers/ChatController.php

@@ -248,8 +248,8 @@ class ChatController extends Controller
                 return $fromUser === $username || $toUser === $username;
             }
 
-            // 对特定人说话：只显示发给自己或自己发出的（含系统通知）
-            return $fromUser === $username || $toUser === $username;
+            // 非悄悄话的定向发言仍属于公屏消息，历史回放也要让房间内其他人可见。
+            return true;
         }));
 
         // 7. 如果用户有在职職务，开始记录这次入场的心跳登录 (仅初次)

tests/Feature/ChatControllerTest.php

@@ -568,9 +568,54 @@ class ChatControllerTest extends TestCase
     }
 
     /**
-     * 测试定向消息仅广播到发送方与接收方私有频道。
+     * 测试历史消息会让旁观用户看到普通定向发言，但不会泄露悄悄话。
      */
-    public function test_targeted_message_event_uses_private_user_channels(): void
+    public function test_room_history_keeps_non_secret_targeted_messages_visible_to_others(): void
+    {
+        $room = Room::create(['room_name' => 'histtg']);
+        $sender = User::factory()->create(['username' => 'history-sender']);
+        $receiver = User::factory()->create(['username' => 'history-receiver']);
+        $observer = User::factory()->create(['username' => 'history-observer']);
+        $chatState = app(\App\Services\ChatStateService::class);
+
+        $chatState->pushMessage($room->id, [
+            'id' => 1,
+            'room_id' => $room->id,
+            'from_user' => $sender->username,
+            'to_user' => $receiver->username,
+            'content' => '公开对你说',
+            'is_secret' => false,
+            'font_color' => '#000000',
+            'action' => '',
+            'sent_at' => now()->toDateTimeString(),
+        ]);
+        $chatState->pushMessage($room->id, [
+            'id' => 2,
+            'room_id' => $room->id,
+            'from_user' => $sender->username,
+            'to_user' => $receiver->username,
+            'content' => '旁人不可见悄悄话',
+            'is_secret' => true,
+            'font_color' => '#000000',
+            'action' => '',
+            'sent_at' => now()->toDateTimeString(),
+        ]);
+
+        $response = $this->actingAs($observer)->get(route('chat.room', $room->id));
+
+        $response->assertOk();
+        $response->assertViewHas('historyMessages', function (array $messages): bool {
+            $contents = collect($messages)->pluck('content');
+
+            return $contents->contains('公开对你说')
+                && ! $contents->contains('旁人不可见悄悄话');
+        });
+    }
+
+    /**
+     * 测试悄悄话消息仅广播到发送方与接收方私有频道。
+     */
+    public function test_secret_message_event_uses_private_user_channels(): void
     {
         $sender = User::factory()->create(['username' => 'sender-user']);
         $receiver = User::factory()->create(['username' => 'receiver-user']);
@@ -597,7 +642,30 @@ class ChatControllerTest extends TestCase
     }
 
     /**
-     * 测试公共消息仍广播到房间 Presence 频道。
+     * 测试普通定向消息仍广播到房间 Presence 频道。
+     */
+    public function test_non_secret_targeted_message_event_uses_room_presence_channel(): void
+    {
+        $event = new MessageSent(3, [
+            'room_id' => 3,
+            'from_user' => 'tester',
+            'to_user' => 'receiver-user',
+            'content' => '公开对你说',
+            'is_secret' => false,
+            'font_color' => '#000000',
+            'action' => '',
+            'sent_at' => now()->toDateTimeString(),
+        ]);
+
+        $channels = $event->broadcastOn();
+
+        $this->assertCount(1, $channels);
+        $this->assertInstanceOf(PresenceChannel::class, $channels[0]);
+        $this->assertSame('presence-room.3', $channels[0]->name);
+    }
+
+    /**
+     * 测试对大家消息仍广播到房间 Presence 频道。
      */
     public function test_public_message_event_still_uses_room_presence_channel(): void
     {