fix(messenger): 修复失效成员导致群人数变化

app/Models/WebSocketDialog.php

@@ -456,9 +456,13 @@ class WebSocketDialog extends AbstractModel
      */
     public static function generatePeople($dialogId)
     {
-        $counts = WebSocketDialogUser::whereDialogId($dialogId)
-            ->groupBy('bot')
-            ->selectRaw('bot, COUNT(*) as count')
+        $counts = DB::table('web_socket_dialog_users as du')
+            ->join('users', 'users.userid', '=', 'du.userid')
+            ->where('du.dialog_id', $dialogId)
+            ->whereNull('users.disable_at')
+            ->groupBy('du.bot')
+            ->select('du.bot')
+            ->selectRaw('COUNT(*) as count')
             ->pluck('count', 'bot');
         $userCount = $counts->get(0, 0);    // 非机器人数量
         $botCount = $counts->get(1, 0);     // 机器人数量

resources/ai-kb/zh/howto/messenger/member.md

@@ -21,7 +21,7 @@ negative:
   - 群主不能被踢，只能先转让群主再退群
   - 任务参与人、项目成员对应的群成员不能在群里直接移除，需到任务 / 项目里调整
   - 一次最多批量传 userids 数组，但接口未硬限制条数，前端按 200 人内体验最佳
-last_verified: v1.7.90
+last_verified: v1.8.89
 ---
 
 # 添加和移除群成员
@@ -49,6 +49,7 @@ last_verified: v1.7.90
 - 有群主时：仅群主 / 群管理员可加人或踢人
 - 没有群主（如旧群）：任意成员可加人
 - 群主、任务参与人、项目成员对应的成员不可踢
+- 群成员列表和人数只统计当前有效账号；已离职或已删除账号不显示，也不计入人数
 
 ## 不支持
 

tests/Feature/DialogPeopleCountTest.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\User;
+use App\Models\WebSocketDialog;
+use Illuminate\Foundation\Testing\DatabaseTransactions;
+use Illuminate\Support\Facades\DB;
+use Tests\TestCase;
+
+class DialogPeopleCountTest extends TestCase
+{
+    use DatabaseTransactions;
+
+    private function makeUser(string $email, int $bot = 0): User
+    {
+        $user = User::createInstance([
+            'email' => $email,
+            'userimg' => '',
+            'nickname' => 'TestUser',
+            'profession' => '',
+            'password' => md5('123456'),
+            'bot' => $bot,
+        ]);
+        $user->save();
+        return $user;
+    }
+
+    public function test_generate_people_ignores_deleted_and_disabled_users(): void
+    {
+        $owner = $this->makeUser('people-owner@test.local');
+        $active = $this->makeUser('people-active@test.local');
+        $disabled = $this->makeUser('people-disabled@test.local');
+        $deleted = $this->makeUser('people-deleted@test.local');
+        $bot = $this->makeUser('people-bot@test.local', 1);
+        $dialog = WebSocketDialog::createGroup(
+            'People count',
+            [$owner->userid, $active->userid, $disabled->userid, $deleted->userid, $bot->userid],
+            'user',
+            $owner->userid
+        );
+
+        $disabled->disable_at = now();
+        $disabled->save();
+        DB::table('users')->where('userid', $deleted->userid)->delete();
+
+        $this->assertSame([
+            'people' => 3,
+            'people_user' => 2,
+            'people_bot' => 1,
+        ], WebSocketDialog::generatePeople($dialog->id));
+    }
+}