新增业务打印绑定功能，整合打印模板与业务数据的映射配置，优化打印数据生成逻辑。新增免密接口，支持桌面端打印模板的查询与列表展示，提升用户体验和系统的实时数据同步能力。同时，重构相关控制器以增强系统的可维护性和扩展性。

yy-admin-master/YY.Admin.Services/Service/Print/PrintBizTemplateBindSyncCoordinator.cs

@@ -0,0 +1,77 @@
+using Prism.Events;
+using System.Text.Json;
+using YY.Admin.Core;
+using YY.Admin.Core.Events;
+namespace YY.Admin.Services.Service.Print;
+
+/// <summary>订阅 STOMP：PRINT_BIZ_TEMPLATE_BIND_CHANGED，驱动列表静默刷新；网络恢复补偿。</summary>
+public class PrintBizTemplateBindSyncCoordinator : ISingletonDependency
+{
+    private readonly IEventAggregator _eventAggregator;
+    private readonly ILoggerService _logger;
+    private SubscriptionToken? _remoteCommandToken;
+    private SubscriptionToken? _networkStatusToken;
+
+    public PrintBizTemplateBindSyncCoordinator(
+        IEventAggregator eventAggregator,
+        SyncPollManager pollManager,
+        ILoggerService logger)
+    {
+        _eventAggregator = eventAggregator;
+        _logger = logger;
+
+        _remoteCommandToken = _eventAggregator
+            .GetEvent<RemoteCommandReceivedEvent>()
+            .Subscribe(OnRemoteCommand, ThreadOption.BackgroundThread);
+        _networkStatusToken = _eventAggregator
+            .GetEvent<NetworkStatusChangedEvent>()
+            .Subscribe(OnNetworkStatusChanged, ThreadOption.BackgroundThread);
+
+        pollManager.Register("业务打印绑定", () =>
+        {
+            _eventAggregator.GetEvent<PrintBizTemplateBindChangedEvent>()
+                .Publish(new PrintBizTemplateBindChangedPayload { Action = "poll" });
+            return Task.CompletedTask;
+        });
+
+        _logger.Information("[业务打印绑定推送] PrintBizTemplateBindSyncCoordinator 已启动");
+    }
+
+    private void OnNetworkStatusChanged(NetworkStatusChangedPayload payload)
+    {
+        if (!payload.IsOnline) return;
+        _logger.Information("[业务打印绑定推送] 网络恢复，触发补偿刷新");
+        _eventAggregator.GetEvent<PrintBizTemplateBindChangedEvent>()
+            .Publish(new PrintBizTemplateBindChangedPayload { Action = "reconnect" });
+    }
+
+    private void OnRemoteCommand(RemoteCommandPayload payload)
+    {
+        try
+        {
+            var json = payload.CommandJson ?? string.Empty;
+            if (string.IsNullOrWhiteSpace(json)) return;
+
+            using var doc = JsonDocument.Parse(json);
+            if (!doc.RootElement.TryGetProperty("cmd", out var cmdEl)) return;
+            var cmd = cmdEl.GetString() ?? string.Empty;
+            if (!cmd.Equals("PRINT_BIZ_TEMPLATE_BIND_CHANGED", StringComparison.OrdinalIgnoreCase)) return;
+
+            doc.RootElement.TryGetProperty("action", out var actionEl);
+            doc.RootElement.TryGetProperty("bindId", out var idEl);
+
+            var changedPayload = new PrintBizTemplateBindChangedPayload
+            {
+                Action = actionEl.GetString() ?? string.Empty,
+                BindId = idEl.ValueKind == JsonValueKind.String ? idEl.GetString() : null
+            };
+
+            _logger.Information($"[业务打印绑定推送] 收到变更 action={changedPayload.Action}, bindId={changedPayload.BindId}");
+            _eventAggregator.GetEvent<PrintBizTemplateBindChangedEvent>().Publish(changedPayload);
+        }
+        catch (Exception ex)
+        {
+            _logger.Warning($"[业务打印绑定推送] 处理 STOMP 信号失败: {ex.Message}");
+        }
+    }
+}