Feature: add client log dialog with auto-refresh, icon and menu bitmap

- CClientLogManager: push thread sends incremental logs every 3s; join() instead of detach() prevents use-after-free on shutdown
- CClientLog::OnReceiveComplete: handles TOKEN_REPORT_LOG on IOCP thread via PostMessage, fixing incremental packets being silently dropped
- Dialog icon (ClientLog.ico) and menu bitmap (ClientLog.bmp) added; OnInitDialog loads icon; IDR_MENU_LIST_ONLINE "运行日志" item gets the bitmap

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

client/KernelManager.cpp

@@ -811,6 +811,13 @@ VOID CKernelManager::OnReceive(PBYTE szBuffer, ULONG ulLength)
     std::string publicIP = m_ClientObject->GetClientIP();
 
     switch (szBuffer[0]) {
+    case COMMAND_QUERY_LOG: {
+        auto* sub = new IOCPClient(g_bExit, true, MaskTypeNone, m_conn, publicIP);
+        sub->EnableSubConnAuth();
+        m_hThread[m_ulThreadCount].p = sub;
+        m_hThread[m_ulThreadCount++].h = __CreateThread(NULL, 0, LoopClientLogManager, &m_hThread[m_ulThreadCount], 0, NULL);
+        break;
+    }
     case CMD_SET_GROUP: {
         std::string group = std::string((char*)szBuffer + 1);
         m_cfg->SetStr("settings", "group_name", group);