更新

Cardiopulmonarybypasssystems/App.xaml.cs

@@ -2,6 +2,7 @@ using System.Windows;
 using Cardiopulmonarybypasssystems.Services;
 using Cardiopulmonarybypasssystems.ViewModels;
 using Microsoft.Extensions.DependencyInjection;
+using OfficeOpenXml;
 using QuestPDF.Infrastructure;
 
 namespace Cardiopulmonarybypasssystems;
@@ -13,6 +14,7 @@ public partial class App : Application
     protected override void OnStartup(StartupEventArgs e)
     {
         base.OnStartup(e);
+        ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
         QuestPDF.Settings.License = LicenseType.Community;
 
         var services = new ServiceCollection();

Cardiopulmonarybypasssystems/Cardiopulmonarybypasssystems.csproj

@@ -12,6 +12,7 @@
 
   <ItemGroup>
     <PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.0" />
+    <PackageReference Include="EPPlus" Version="7.5.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />
     <PackageReference Include="NModbus" Version="3.0.81" />
     <PackageReference Include="QuestPDF" Version="2024.12.1" />

Cardiopulmonarybypasssystems/MainWindow.xaml

@@ -93,10 +93,10 @@
                         <WrapPanel.Resources>
                             <Style TargetType="Button" BasedOn="{StaticResource HeroCompactButtonStyle}" />
                         </WrapPanel.Resources>
-                        <Button MinWidth="92" MinHeight="36" Padding="12,7" Margin="0,0,8,8" Command="{Binding ToggleAcquisitionCommand}" Content="采集" Background="#FFFFFFFF" Foreground="{StaticResource HeaderBrush}" />
+                        <Button MinWidth="92" MinHeight="36" Padding="12,7" Margin="0,0,8,8" Command="{Binding ToggleAcquisitionCommand}" Content="采集" Background="#FFFFFFFF" Foreground="{StaticResource HeaderBrush}" IsEnabled="{Binding CanModifySession}" />
                         <Button MinWidth="92" MinHeight="36" Padding="12,7" Margin="0,0,8,8" Command="{Binding AcknowledgeAlarmCommand}" Content="消警" Background="#33FFFFFF" />
-                        <Button MinWidth="108" MinHeight="36" Padding="12,7" Margin="0,0,8,8" Command="{Binding CompleteDetectionCommand}" Content="完成检测" Background="#FFF0B145" />
-                        <Button MinWidth="136" MinHeight="36" Padding="12,7" Margin="0,0,0,8" Command="{Binding ExportReportCommand}" Content="导出检查报告" Background="#FFEA7E3C" />
+                        <Button MinWidth="108" MinHeight="36" Padding="12,7" Margin="0,0,8,8" Command="{Binding CompleteDetectionCommand}" Content="完成检测" Background="#FFF0B145" IsEnabled="{Binding CanModifySession}" />
+                        <Button MinWidth="156" MinHeight="36" Padding="12,7" Margin="0,0,0,8" Command="{Binding ExportReportCommand}" Content="导出检查报告（Excel）" Background="#FFEA7E3C" IsEnabled="{Binding CanExportReport}" ToolTip="导出为 Excel（.xlsx）检查报告" />
                     </WrapPanel>
                     <TextBlock HorizontalAlignment="Right"
                                Foreground="#EFFAFC"
@@ -421,7 +421,7 @@
                                                     </StackPanel>
                                                 </Border>
                                             </StackPanel>
-                                            <StackPanel Grid.Column="2" Margin="0,0,0,4">
+                                            <StackPanel Grid.Column="2" Margin="0,0,0,4" IsEnabled="{Binding CanModifySession}">
                                                 <TextBlock Style="{StaticResource CaptionStyle}" Text="填写说明" />
                                                 <TextBlock Margin="0,0,0,6" Foreground="{StaticResource MutedTextBrush}" FontSize="13" Text="{Binding RealtimeMeasurementHint}" TextWrapping="Wrap" />
                                                 <Border Margin="0,0,0,8" Padding="12" Background="#FFF8F4EA" CornerRadius="14">
@@ -595,7 +595,7 @@
                                                                 </Style.Triggers>
                                                             </Style>
                                                         </StackPanel.Style>
-                                                        <TextBlock Style="{StaticResource CaptionStyle}" Text="4.3.4 共用试验记录要点" />
+                                                        <TextBlock Style="{StaticResource CaptionStyle}" Text="共用试验记录要点" />
                                                         <TextBlock FontSize="13" Text="{Binding HemolysisStandardSummary}" TextWrapping="Wrap" />
                                                         <TextBlock Margin="0,6,0,0" FontSize="13" Text="{Binding HemolysisTemplateGuidance}" TextWrapping="Wrap" />
                                                         <Border Margin="0,8,0,0" Padding="10" Background="#FFFFFAF6" CornerRadius="12" BorderBrush="#FFE8D9CC" BorderThickness="1">
@@ -874,7 +874,7 @@
                                             </WrapPanel.Resources>
                                             <Button Command="{Binding SelectPreviousItemCommand}" Content="上一项" Background="#FF6B8791" />
                                             <Button Command="{Binding SelectNextItemCommand}" Content="下一项" Background="#FF6B8791" />
-                                            <Button Command="{Binding ApplyResultCommand}" Content="保存并更新状态" Background="#FF2B8F6A" />
+                                            <Button Command="{Binding ApplyResultCommand}" Content="保存并更新状态" Background="#FF2B8F6A" IsEnabled="{Binding CanModifySession}" />
                                         </WrapPanel>
                                     </Grid>
                                 </StackPanel>
@@ -960,7 +960,8 @@
                                                             Command="{Binding DataContext.TogglePumpControlCommand, RelativeSource={RelativeSource AncestorType=Window}}"
                                                             CommandParameter="{Binding}"
                                                             Content="{Binding ActionText}"
-                                                            Background="#FF4D8C72" />
+                                                            Background="#FF4D8C72"
+                                                            IsEnabled="{Binding DataContext.CanModifySession, RelativeSource={RelativeSource AncestorType=Window}}" />
                                                 </StackPanel>
                                             </Border>
                                         </DataTemplate>
@@ -980,7 +981,8 @@
                                                             Command="{Binding DataContext.ToggleValveControlCommand, RelativeSource={RelativeSource AncestorType=Window}}"
                                                             CommandParameter="{Binding}"
                                                             Content="{Binding ActionText}"
-                                                            Background="#FF4D8C72" />
+                                                            Background="#FF4D8C72"
+                                                            IsEnabled="{Binding DataContext.CanModifySession, RelativeSource={RelativeSource AncestorType=Window}}" />
                                                 </StackPanel>
                                             </Border>
                                         </DataTemplate>
@@ -1164,7 +1166,8 @@
                                                     FontSize="13"
                                                     Command="{Binding ClearTrendDataCommand}"
                                                     Content="清空曲线"
-                                                    Background="#FF6B8791" />
+                                                    Background="#FF6B8791"
+                                                    IsEnabled="{Binding CanModifySession}" />
                                             <TextBlock Style="{StaticResource SectionTitleStyle}" FontSize="18" Margin="0,0,0,6" Text="趋势图" />
                                         </DockPanel>
 

Cardiopulmonarybypasssystems/Models/TelemetryUpdateSnapshot.cs

@@ -0,0 +1,36 @@
+namespace Cardiopulmonarybypasssystems.Models;
+
+public sealed class TelemetryChannelSnapshot
+{
+    public required string Name { get; init; }
+    public required double Value { get; init; }
+    public required bool IsAvailable { get; init; }
+}
+
+public sealed class PumpControlSnapshot
+{
+    public required string Key { get; init; }
+    public required bool IsRunning { get; init; }
+    public required double FlowValue { get; init; }
+    public required bool StateAvailable { get; init; }
+    public required bool FlowAvailable { get; init; }
+}
+
+public sealed class ValveControlSnapshot
+{
+    public required string Key { get; init; }
+    public required bool IsOpen { get; init; }
+    public required bool StateAvailable { get; init; }
+}
+
+public sealed class TelemetryUpdateSnapshot
+{
+    public required IReadOnlyList<TelemetryChannelSnapshot> Channels { get; init; }
+    public required IReadOnlyList<PumpControlSnapshot> PumpControls { get; init; }
+    public required IReadOnlyList<ValveControlSnapshot> ValveControls { get; init; }
+    public required IReadOnlyList<AlarmMessage> Alarms { get; init; }
+    public required bool IsLiveConnected { get; init; }
+    public required string EndpointDescription { get; init; }
+    public required DateTime? LastSuccessfulReadAt { get; init; }
+    public required string LastErrorMessage { get; init; }
+}

Cardiopulmonarybypasssystems/NuGet.Config

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <packageSources>
+    <clear />
+    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" protocolVersion="3" />
+  </packageSources>
+</configuration>

Cardiopulmonarybypasssystems/Services/ExcelReportDocument.cs

@@ -0,0 +1,435 @@
+using System.IO;
+using System.Drawing;
+using Cardiopulmonarybypasssystems.Models;
+using OfficeOpenXml;
+using OfficeOpenXml.Style;
+
+namespace Cardiopulmonarybypasssystems.Services;
+
+public sealed class ExcelReportDocument(
+    string pageTitle,
+    string batchNumber,
+    string currentStage,
+    string operatorName,
+    string reviewerName,
+    string approverName,
+    string complianceDisplay,
+    string deltaPressureDisplay,
+    string detectionSummary,
+    string configurationSummary,
+    DateTime exportTime,
+    IReadOnlyCollection<InspectionItem> inspectionItems,
+    IReadOnlyCollection<TraceEvent> traceEvents,
+    IReadOnlyCollection<KinkResistancePointEntry> kinkResistanceEntries,
+    string kinkResistanceFlowPointDisplay,
+    string kinkResistanceMandrelDiameterDisplay,
+    IReadOnlyCollection<PressureDropPointEntry> pressureDropEntries,
+    string pressureDropLimitDisplay,
+    string antiCollapseBaselineDisplay,
+    string antiCollapseComparisonDisplay,
+    string antiCollapseCurrentNegativePressure,
+    string antiCollapseCurrentFlowDisplay,
+    string antiCollapseAllowedIncreaseRateDisplay,
+    IReadOnlyCollection<RecirculationPointEntry> recirculationEntries,
+    string recirculationLimitDisplay)
+{
+    private const int TotalColumns = 10;
+    private static readonly Color BorderColor = ColorTranslator.FromHtml("#A0AEC0");
+    private static readonly Color SectionFillColor = ColorTranslator.FromHtml("#DDEFEA");
+    private static readonly Color HeaderFillColor = ColorTranslator.FromHtml("#CFE8E3");
+    private static readonly Color SummaryFillColor = ColorTranslator.FromHtml("#D9F3EE");
+    private static readonly Color MetaLabelFillColor = ColorTranslator.FromHtml("#F7FAFC");
+    private static readonly Color MetaLabelFontColor = ColorTranslator.FromHtml("#4A5568");
+
+    public void GenerateExcel(string filePath)
+    {
+        ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
+
+        using var package = new ExcelPackage();
+        var worksheet = package.Workbook.Worksheets.Add("检查报告");
+        package.Workbook.Properties.Title = pageTitle;
+
+        ConfigureWorksheet(worksheet);
+
+        var row = 1;
+        row = ComposeTitle(worksheet, row);
+        row = ComposeMeta(worksheet, row + 2);
+        row = ComposeSummary(worksheet, row + 2);
+        row = ComposeKinkResistanceSection(worksheet, row + 2);
+        row = ComposePressureDropSection(worksheet, row + 2);
+        row = ComposeAntiCollapseSection(worksheet, row + 2);
+        row = ComposeRecirculationSection(worksheet, row + 2);
+        row = ComposeInspectionTable(worksheet, row + 2);
+        row = ComposeTraceEvents(worksheet, row + 2);
+        ComposeSignatures(worksheet, row + 2);
+
+        package.SaveAs(new FileInfo(filePath));
+    }
+
+    private static void ConfigureWorksheet(ExcelWorksheet worksheet)
+    {
+        worksheet.View.ShowGridLines = false;
+        worksheet.PrinterSettings.Orientation = eOrientation.Landscape;
+        worksheet.PrinterSettings.PaperSize = ePaperSize.A4;
+        worksheet.PrinterSettings.FitToPage = true;
+        worksheet.PrinterSettings.FitToWidth = 1;
+        worksheet.PrinterSettings.FitToHeight = 0;
+        worksheet.PrinterSettings.LeftMargin = 0.35m;
+        worksheet.PrinterSettings.RightMargin = 0.35m;
+        worksheet.PrinterSettings.TopMargin = 0.4m;
+        worksheet.PrinterSettings.BottomMargin = 0.4m;
+        worksheet.Cells.Style.Font.Name = "Microsoft YaHei";
+        worksheet.Cells.Style.Font.Size = 9;
+        worksheet.Cells.Style.WrapText = true;
+        worksheet.Cells.Style.VerticalAlignment = ExcelVerticalAlignment.Top;
+
+        var widths = new[] { 12d, 14d, 22d, 24d, 20d, 16d, 10d, 12d, 16d, 18d };
+        for (var index = 0; index < widths.Length; index++)
+        {
+            worksheet.Column(index + 1).Width = widths[index];
+        }
+    }
+
+    private int ComposeTitle(ExcelWorksheet worksheet, int row)
+    {
+        var range = worksheet.Cells[row, 1, row, TotalColumns];
+        range.Merge = true;
+        range.Value = ValueOrFallback(pageTitle);
+        range.Style.Font.Size = 18;
+        range.Style.Font.Bold = true;
+        range.Style.Font.Color.SetColor(ColorTranslator.FromHtml("#0F766E"));
+        range.Style.HorizontalAlignment = ExcelHorizontalAlignment.Left;
+        worksheet.Row(row).Height = 26;
+        return row;
+    }
+
+    private int ComposeMeta(ExcelWorksheet worksheet, int startRow)
+    {
+        var items = new (string Label, string Value, int ColStart, int ColEnd)[]
+        {
+            ("批次", batchNumber, 1, 2),
+            ("阶段", currentStage, 3, 4),
+            ("测试员", operatorName, 5, 6),
+            ("复核人", reviewerName, 7, 8),
+            ("批准人", approverName, 1, 2),
+            ("导出时间", exportTime.ToString("yyyy-MM-dd HH:mm:ss"), 3, 4),
+            ("合格率", complianceDisplay, 5, 6),
+            ("压差", deltaPressureDisplay, 7, 8)
+        };
+
+        for (var index = 0; index < items.Length; index++)
+        {
+            var rowOffset = index < 4 ? 0 : 2;
+            WriteMetaCell(
+                worksheet,
+                startRow + rowOffset,
+                startRow + rowOffset + 1,
+                items[index].ColStart,
+                items[index].ColEnd,
+                items[index].Label,
+                items[index].Value);
+        }
+
+        return startRow + 3;
+    }
+
+    private int ComposeSummary(ExcelWorksheet worksheet, int startRow)
+    {
+        var titleRange = worksheet.Cells[startRow, 1, startRow, TotalColumns];
+        titleRange.Merge = true;
+        titleRange.Value = "检测结论";
+        titleRange.Style.Font.Bold = true;
+        titleRange.Style.Font.Size = 11;
+        titleRange.Style.Fill.PatternType = ExcelFillStyle.Solid;
+        titleRange.Style.Fill.BackgroundColor.SetColor(SummaryFillColor);
+        ApplyBorder(titleRange);
+
+        var summaryRange = worksheet.Cells[startRow + 1, 1, startRow + 1, TotalColumns];
+        summaryRange.Merge = true;
+        summaryRange.Value = ValueOrFallback(detectionSummary);
+        ApplyBodyCell(summaryRange);
+
+        var configRange = worksheet.Cells[startRow + 2, 1, startRow + 2, TotalColumns];
+        configRange.Merge = true;
+        configRange.Value = $"产品配置：{ValueOrFallback(configurationSummary)}";
+        ApplyBodyCell(configRange);
+
+        return startRow + 2;
+    }
+
+    private int ComposeKinkResistanceSection(ExcelWorksheet worksheet, int startRow)
+    {
+        var row = WriteSectionTitle(worksheet, startRow, "专项记录：抗扭结抗性");
+        row = WriteMergedBodyRow(worksheet, row + 1, kinkResistanceFlowPointDisplay);
+        row = WriteMergedBodyRow(worksheet, row + 1, kinkResistanceMandrelDiameterDisplay);
+
+        var headers = new[] { "流量点", "目标流量", "L0", "L1", "降幅", "L0时间", "L1时间" };
+        var rows = kinkResistanceEntries.Select(entry => new[]
+        {
+            entry.Label,
+            $"{entry.TargetFlow:F2} L/min",
+            entry.HasBaseline ? $"{entry.BaselineFlow:F2} L/min" : "-",
+            entry.HasKinked ? $"{entry.KinkedFlow:F2} L/min" : "-",
+            entry.FlowDropRateText,
+            entry.BaselineCapturedAtText,
+            entry.KinkedCapturedAtText
+        });
+
+        return WriteTable(worksheet, row + 1, headers, rows);
+    }
+
+    private int ComposePressureDropSection(ExcelWorksheet worksheet, int startRow)
+    {
+        var row = WriteSectionTitle(worksheet, startRow, "专项记录：压力降");
+        row = WriteMergedBodyRow(worksheet, row + 1, $"声明限值：{pressureDropLimitDisplay}");
+
+        var headers = new[] { "流量点", "目标流量", "实际主泵", "近端压力", "远端压力", "ΔP" };
+        var rows = pressureDropEntries
+            .OrderBy(item => item.TargetFlow)
+            .Select(entry => new[]
+            {
+                entry.Label,
+                $"{entry.TargetFlow:F2} L/min",
+                entry.HasSample ? $"{entry.ActualPumpFlow:F2} L/min" : "-",
+                entry.HasSample ? $"{entry.ProximalPressure:F1} mmHg" : "-",
+                entry.HasSample ? $"{entry.DistalPressure:F1} mmHg" : "-",
+                entry.HasSample ? $"{entry.DeltaPressure:F1} mmHg" : "-"
+            });
+
+        return WriteTable(worksheet, row + 1, headers, rows);
+    }
+
+    private int ComposeAntiCollapseSection(ExcelWorksheet worksheet, int startRow)
+    {
+        var row = WriteSectionTitle(worksheet, startRow, "专项记录：抗塌陷");
+        var entries = new (string Label, string Value)[]
+        {
+            ("基线", antiCollapseBaselineDisplay),
+            ("允许增幅", antiCollapseAllowedIncreaseRateDisplay),
+            ("负压状态", antiCollapseCurrentNegativePressure),
+            ("当前流量", antiCollapseCurrentFlowDisplay),
+            ("比较结果", antiCollapseComparisonDisplay)
+        };
+
+        foreach (var entry in entries)
+        {
+            row++;
+            WriteKeyValueRow(worksheet, row, entry.Label, entry.Value);
+        }
+
+        return row;
+    }
+
+    private int ComposeRecirculationSection(ExcelWorksheet worksheet, int startRow)
+    {
+        var row = WriteSectionTitle(worksheet, startRow, "专项记录：再循环");
+        row = WriteMergedBodyRow(worksheet, row + 1, recirculationLimitDisplay);
+
+        var headers = new[] { "流量点", "目标流量", "实际主泵", "C1(D)", "C2(C)", "R%", "在线参考", "时间" };
+        var rows = recirculationEntries
+            .OrderBy(item => item.TargetFlow)
+            .Select(entry => new[]
+            {
+                entry.Label,
+                $"{entry.TargetFlow:F2} L/min",
+                entry.HasSample ? $"{entry.ActualPumpFlow:F2} L/min" : "-",
+                entry.ConcentrationC1?.ToString("F0") ?? "-",
+                entry.ConcentrationC2?.ToString("F0") ?? "-",
+                entry.RecirculationResultText,
+                entry.HasSample ? $"{entry.OnlineEstimate:F1}%" : "-",
+                entry.SampledAtText
+            });
+
+        return WriteTable(worksheet, row + 1, headers, rows);
+    }
+
+    private int ComposeInspectionTable(ExcelWorksheet worksheet, int startRow)
+    {
+        var row = WriteSectionTitle(worksheet, startRow, "项目记录");
+        var headers = new[] { "类别", "测试内容", "判定要求", "检测方法", "记录要点", "结果", "状态", "记录人", "记录时间", "备注" };
+        var rows = inspectionItems.Select(item => new[]
+        {
+            item.Category,
+            item.Item,
+            item.AcceptanceCriteria,
+            item.TestMethod,
+            item.RecordFocus,
+            item.Measured,
+            item.StatusText,
+            item.RecordedBy,
+            item.RecordedAtText,
+            item.Notes
+        });
+
+        return WriteTable(worksheet, row + 1, headers, rows);
+    }
+
+    private int ComposeTraceEvents(ExcelWorksheet worksheet, int startRow)
+    {
+        var row = WriteSectionTitle(worksheet, startRow, "追溯事件");
+        var orderedTraceEvents = traceEvents.OrderBy(item => item.Timestamp).ToList();
+
+        if (orderedTraceEvents.Count == 0)
+        {
+            return WriteMergedBodyRow(worksheet, row + 1, "-");
+        }
+
+        foreach (var trace in orderedTraceEvents)
+        {
+            row++;
+            var range = worksheet.Cells[row, 1, row, TotalColumns];
+            range.Merge = true;
+            range.Value = $"{trace.Timestamp:yyyy-MM-dd HH:mm:ss}  {ValueOrFallback(trace.Stage)}  {ValueOrFallback(trace.Detail)}  ({ValueOrFallback(trace.Operator)})";
+            range.Style.Border.Bottom.Style = ExcelBorderStyle.Thin;
+            range.Style.Border.Bottom.Color.SetColor(ColorTranslator.FromHtml("#CBD5E0"));
+            range.Style.HorizontalAlignment = ExcelHorizontalAlignment.Left;
+            range.Style.VerticalAlignment = ExcelVerticalAlignment.Top;
+        }
+
+        return row;
+    }
+
+    private void ComposeSignatures(ExcelWorksheet worksheet, int startRow)
+    {
+        WriteSignatureCell(worksheet, startRow, 1, 3, "测试员", operatorName);
+        WriteSignatureCell(worksheet, startRow, 4, 6, "复核人", reviewerName);
+        WriteSignatureCell(worksheet, startRow, 7, 10, "批准人", approverName);
+    }
+
+    private static void WriteMetaCell(
+        ExcelWorksheet worksheet,
+        int labelRow,
+        int valueRow,
+        int startColumn,
+        int endColumn,
+        string label,
+        string value)
+    {
+        var labelRange = worksheet.Cells[labelRow, startColumn, labelRow, endColumn];
+        labelRange.Merge = true;
+        labelRange.Value = label;
+        labelRange.Style.Font.Size = 8;
+        labelRange.Style.Font.Color.SetColor(MetaLabelFontColor);
+        labelRange.Style.Fill.PatternType = ExcelFillStyle.Solid;
+        labelRange.Style.Fill.BackgroundColor.SetColor(MetaLabelFillColor);
+        ApplyBorder(labelRange);
+
+        var valueRange = worksheet.Cells[valueRow, startColumn, valueRow, endColumn];
+        valueRange.Merge = true;
+        valueRange.Value = ValueOrFallback(value);
+        valueRange.Style.Font.Bold = true;
+        ApplyBodyCell(valueRange);
+    }
+
+    private static int WriteSectionTitle(ExcelWorksheet worksheet, int row, string title)
+    {
+        var range = worksheet.Cells[row, 1, row, TotalColumns];
+        range.Merge = true;
+        range.Value = title;
+        range.Style.Font.Bold = true;
+        range.Style.Font.Size = 11;
+        range.Style.Fill.PatternType = ExcelFillStyle.Solid;
+        range.Style.Fill.BackgroundColor.SetColor(SectionFillColor);
+        ApplyBorder(range);
+        return row;
+    }
+
+    private static int WriteMergedBodyRow(ExcelWorksheet worksheet, int row, string value)
+    {
+        var range = worksheet.Cells[row, 1, row, TotalColumns];
+        range.Merge = true;
+        range.Value = ValueOrFallback(value);
+        ApplyBodyCell(range);
+        return row;
+    }
+
+    private static void WriteKeyValueRow(ExcelWorksheet worksheet, int row, string label, string value)
+    {
+        var labelRange = worksheet.Cells[row, 1, row, 2];
+        labelRange.Merge = true;
+        labelRange.Value = label;
+        labelRange.Style.Font.Bold = true;
+        labelRange.Style.Fill.PatternType = ExcelFillStyle.Solid;
+        labelRange.Style.Fill.BackgroundColor.SetColor(HeaderFillColor);
+        ApplyBorder(labelRange);
+
+        var valueRange = worksheet.Cells[row, 3, row, TotalColumns];
+        valueRange.Merge = true;
+        valueRange.Value = ValueOrFallback(value);
+        ApplyBodyCell(valueRange);
+    }
+
+    private static int WriteTable(
+        ExcelWorksheet worksheet,
+        int startRow,
+        IReadOnlyList<string> headers,
+        IEnumerable<string[]> rows)
+    {
+        for (var index = 0; index < headers.Count; index++)
+        {
+            var cell = worksheet.Cells[startRow, index + 1];
+            cell.Value = headers[index];
+            cell.Style.Font.Bold = true;
+            cell.Style.Fill.PatternType = ExcelFillStyle.Solid;
+            cell.Style.Fill.BackgroundColor.SetColor(HeaderFillColor);
+            cell.Style.HorizontalAlignment = ExcelHorizontalAlignment.Center;
+            cell.Style.VerticalAlignment = ExcelVerticalAlignment.Center;
+            ApplyBorder(cell);
+        }
+
+        var currentRow = startRow;
+        foreach (var row in rows)
+        {
+            currentRow++;
+            for (var index = 0; index < headers.Count; index++)
+            {
+                var cell = worksheet.Cells[currentRow, index + 1];
+                cell.Value = ValueOrFallback(row[index]);
+                ApplyBodyCell(cell);
+            }
+        }
+
+        return currentRow;
+    }
+
+    private static void WriteSignatureCell(
+        ExcelWorksheet worksheet,
+        int startRow,
+        int startColumn,
+        int endColumn,
+        string label,
+        string value)
+    {
+        var lineRange = worksheet.Cells[startRow, startColumn, startRow, endColumn];
+        lineRange.Merge = true;
+        lineRange.Style.Border.Top.Style = ExcelBorderStyle.Thin;
+        lineRange.Style.Border.Top.Color.SetColor(Color.Black);
+
+        var textRange = worksheet.Cells[startRow + 1, startColumn, startRow + 1, endColumn];
+        textRange.Merge = true;
+        textRange.Value = $"{label}：{ValueOrFallback(value)}";
+        textRange.Style.HorizontalAlignment = ExcelHorizontalAlignment.Left;
+    }
+
+    private static void ApplyBodyCell(ExcelRange range)
+    {
+        range.Style.HorizontalAlignment = ExcelHorizontalAlignment.Left;
+        range.Style.VerticalAlignment = ExcelVerticalAlignment.Top;
+        ApplyBorder(range);
+    }
+
+    private static void ApplyBorder(ExcelRange range)
+    {
+        range.Style.Border.Top.Style = ExcelBorderStyle.Thin;
+        range.Style.Border.Bottom.Style = ExcelBorderStyle.Thin;
+        range.Style.Border.Left.Style = ExcelBorderStyle.Thin;
+        range.Style.Border.Right.Style = ExcelBorderStyle.Thin;
+        range.Style.Border.Top.Color.SetColor(BorderColor);
+        range.Style.Border.Bottom.Color.SetColor(BorderColor);
+        range.Style.Border.Left.Color.SetColor(BorderColor);
+        range.Style.Border.Right.Color.SetColor(BorderColor);
+    }
+
+    private static string ValueOrFallback(string? value) =>
+        string.IsNullOrWhiteSpace(value) ? "-" : value.Trim();
+}

Cardiopulmonarybypasssystems/Services/IModbusTelemetryService.cs

@@ -11,7 +11,7 @@ public interface IModbusTelemetryService
     IReadOnlyList<DeviceChannel> GetChannels();
     IReadOnlyList<PumpControlChannel> GetPumpControls();
     IReadOnlyList<ValveControlChannel> GetValveControls();
-    IReadOnlyList<AlarmMessage> UpdateChannels();
+    TelemetryUpdateSnapshot UpdateChannels();
     void SetPumpRunning(string pumpKey, bool isRunning);
     void SetValveOpen(string valveKey, bool isOpen);
 }

Cardiopulmonarybypasssystems/Services/MockModbusTelemetryService.cs

@@ -126,7 +126,7 @@ public sealed class MockModbusTelemetryService : IModbusTelemetryService, IDispo
         return _valveControls;
     }
 
-    public IReadOnlyList<AlarmMessage> UpdateChannels()
+    public TelemetryUpdateSnapshot UpdateChannels()
     {
         EnsureConnectionScheduled();
 
@@ -136,7 +136,7 @@ public sealed class MockModbusTelemetryService : IModbusTelemetryService, IDispo
             TryReadPressureChannels(liveReadSucceeded);
             SimulateAuxiliaryChannels(liveReadSucceeded);
             SyncDerivedChannels();
-            return BuildAlarms();
+            return BuildSnapshot(BuildAlarms());
         }
     }
 
@@ -438,6 +438,42 @@ public sealed class MockModbusTelemetryService : IModbusTelemetryService, IDispo
         return alarms;
     }
 
+    private TelemetryUpdateSnapshot BuildSnapshot(IReadOnlyList<AlarmMessage> alarms) => new()
+    {
+        Channels = _channels.Select(channel => new TelemetryChannelSnapshot
+        {
+            Name = channel.Name,
+            Value = channel.Value,
+            IsAvailable = true
+        }).ToList(),
+        PumpControls = _pumpControls.Select(pump => new PumpControlSnapshot
+        {
+            Key = pump.Key,
+            IsRunning = pump.IsRunning,
+            FlowValue = pump.FlowValue,
+            StateAvailable = true,
+            FlowAvailable = pump.FlowAddress.HasValue
+        }).ToList(),
+        ValveControls = _valveControls.Select(valve => new ValveControlSnapshot
+        {
+            Key = valve.Key,
+            IsOpen = valve.IsOpen,
+            StateAvailable = true
+        }).ToList(),
+        Alarms = alarms
+            .Select(alarm => new AlarmMessage
+            {
+                Timestamp = alarm.Timestamp,
+                Level = alarm.Level,
+                Message = alarm.Message
+            })
+            .ToList(),
+        IsLiveConnected = _master is not null && _tcpClient?.Connected == true,
+        EndpointDescription = EndpointDescription,
+        LastSuccessfulReadAt = null,
+        LastErrorMessage = LastErrorMessage
+    };
+
     private void SetSmoothedValue(string channelName, double nextValue)
     {
         var channel = Channel(channelName);

Cardiopulmonarybypasssystems/Services/ModbusTelemetryService.cs

@@ -155,7 +155,7 @@ public sealed class ModbusTelemetryService : IModbusTelemetryService, IDisposabl
         return _valveControls;
     }
 
-    public IReadOnlyList<AlarmMessage> UpdateChannels()
+    public TelemetryUpdateSnapshot UpdateChannels()
     {
         EnsureConnectionScheduled();
 
@@ -172,7 +172,7 @@ public sealed class ModbusTelemetryService : IModbusTelemetryService, IDisposabl
                     : "实时数据正常";
             }
 
-            return BuildAlarms();
+            return BuildSnapshot(BuildAlarms());
         }
     }
 
@@ -456,6 +456,42 @@ public sealed class ModbusTelemetryService : IModbusTelemetryService, IDisposabl
         return alarms;
     }
 
+    private TelemetryUpdateSnapshot BuildSnapshot(IReadOnlyList<AlarmMessage> alarms) => new()
+    {
+        Channels = _channels.Select(channel => new TelemetryChannelSnapshot
+        {
+            Name = channel.Name,
+            Value = channel.Value,
+            IsAvailable = channel.IsAvailable
+        }).ToList(),
+        PumpControls = _pumpControls.Select(pump => new PumpControlSnapshot
+        {
+            Key = pump.Key,
+            IsRunning = pump.IsRunning,
+            FlowValue = pump.FlowValue,
+            StateAvailable = pump.StateAvailable,
+            FlowAvailable = pump.FlowAvailable
+        }).ToList(),
+        ValveControls = _valveControls.Select(valve => new ValveControlSnapshot
+        {
+            Key = valve.Key,
+            IsOpen = valve.IsOpen,
+            StateAvailable = valve.StateAvailable
+        }).ToList(),
+        Alarms = alarms
+            .Select(alarm => new AlarmMessage
+            {
+                Timestamp = alarm.Timestamp,
+                Level = alarm.Level,
+                Message = alarm.Message
+            })
+            .ToList(),
+        IsLiveConnected = _master is not null && _tcpClient?.Connected == true,
+        EndpointDescription = EndpointDescription,
+        LastSuccessfulReadAt = _lastSuccessfulReadAt,
+        LastErrorMessage = _lastErrorMessage
+    };
+
     private void ApplyUnavailableDeviceState()
     {
         foreach (var pump in _pumpControls)

Cardiopulmonarybypasssystems/ViewModels/MainViewModel.cs

@@ -2,6 +2,7 @@ using System.Collections.ObjectModel;
 using System.ComponentModel;
 using System.IO;
 using System.Text.Json;
+using System.Threading.Tasks;
 using System.Windows.Data;
 using System.Windows.Threading;
 using Cardiopulmonarybypasssystems.Models;
@@ -32,6 +33,12 @@ public partial class MainViewModel : ObservableObject, IDisposable
     private string _lastAutoHemolysisResult = string.Empty;
     private string _lastAutoHemolysisNote = string.Empty;
     private bool _suppressLimitSettingsSave;
+    private bool _telemetryRefreshInProgress;
+    private bool _isTelemetryOnline;
+    private string _plcEndpointDisplay = string.Empty;
+    private DateTime? _telemetryLastUpdatedAt;
+    private string _telemetryStatusDetail = string.Empty;
+    private string _lastTelemetryRefreshFailureMessage = string.Empty;
 
     [ObservableProperty]
     private string pageTitle = "心肺转流系统一次性使用动静脉插管检测";
@@ -134,12 +141,16 @@ public partial class MainViewModel : ObservableObject, IDisposable
     public MainViewModel(IStandardRepository repository, IModbusTelemetryService telemetryService)
     {
         _telemetryService = telemetryService;
+        _isTelemetryOnline = telemetryService.IsLiveConnected;
+        _plcEndpointDisplay = telemetryService.EndpointDescription;
+        _telemetryLastUpdatedAt = telemetryService.LastSuccessfulReadAt;
+        _telemetryStatusDetail = telemetryService.LastErrorMessage;
         InspectionItems = new ObservableCollection<InspectionItem>(repository.GetInspectionItems());
         FilteredItemsView = CollectionViewSource.GetDefaultView(InspectionItems);
         FilteredItemsView.Filter = MatchesFilteredItem;
-        Channels = new ObservableCollection<DeviceChannel>(telemetryService.GetChannels());
-        PumpControls = new ObservableCollection<PumpControlChannel>(telemetryService.GetPumpControls());
-        ValveControls = new ObservableCollection<ValveControlChannel>(telemetryService.GetValveControls());
+        Channels = new ObservableCollection<DeviceChannel>(telemetryService.GetChannels().Select(CloneDeviceChannel));
+        PumpControls = new ObservableCollection<PumpControlChannel>(telemetryService.GetPumpControls().Select(ClonePumpControlChannel));
+        ValveControls = new ObservableCollection<ValveControlChannel>(telemetryService.GetValveControls().Select(CloneValveControlChannel));
         TraceEvents = new ObservableCollection<TraceEvent>(repository.GetInitialTraceEvents());
         AlarmMessages = new ObservableCollection<AlarmMessage>();
         ResultStatusOptions = new ObservableCollection<string>(["待检", "合格", "预警", "不合格"]);
@@ -216,6 +227,7 @@ public partial class MainViewModel : ObservableObject, IDisposable
         _timer = new DispatcherTimer { Interval = TimeSpan.FromSeconds(2) };
         _timer.Tick += OnTelemetryTimerTick;
         _timer.Start();
+        _ = RefreshTelemetryAsync();
     }
 
     public ObservableCollection<InspectionItem> InspectionItems { get; }
@@ -253,17 +265,19 @@ public partial class MainViewModel : ObservableObject, IDisposable
     public bool HasSelectedItem => SelectedItem is not null;
     public IEnumerable<DeviceChannel> FlowSensorChannels => Channels.Where(IsFlowSensorChannel);
     public IEnumerable<DeviceChannel> OtherChannels => Channels.Where(channel => !IsFlowSensorChannel(channel));
-    public bool IsTelemetryOnline => _telemetryService.IsLiveConnected;
-    public string PlcEndpointDisplay => _telemetryService.EndpointDescription;
-    public string TelemetryLastUpdatedDisplay => _telemetryService.LastSuccessfulReadAt?.ToString("yyyy-MM-dd HH:mm:ss") ?? "未收到实时数据";
-    public string TelemetryStatusDetail => _telemetryService.LastErrorMessage;
+    public bool IsTelemetryOnline => _isTelemetryOnline;
+    public string PlcEndpointDisplay => _plcEndpointDisplay;
+    public string TelemetryLastUpdatedDisplay => _telemetryLastUpdatedAt?.ToString("yyyy-MM-dd HH:mm:ss") ?? "未收到实时数据";
+    public string TelemetryStatusDetail => _telemetryStatusDetail;
     public string TelemetryAvailabilityDisplay => $"{Channels.Count(channel => channel.IsAvailable)}/{Channels.Count} 路已接入";
     public string AlarmSummaryDisplay => AlarmMessages.Count == 0 ? "无实时告警" : $"{AlarmMessages.Count} 条实时告警";
     public string TelemetryCoverageDisplay => "已映射：泵状态、阀状态、流量寄存器、近端/远端压力；未映射：负压、温度、游离 Hb、白细胞减少率。";
 
     public string ComplianceDisplay => $"{ComplianceRate:F0}%";
     public string DeltaPressureDisplay => HasChannelTelemetry("近端压力", "远端压力") ? $"{DeltaPressure:F1} mmHg" : "--";
-    public string ExportStateText => DetectionCompleted ? "检测已完成，可导出检查报告" : "检测进行中，完成后可导出检查报告";
+    public string ExportStateText => DetectionCompleted ? "检测已完成，可导出 Excel 检查报告" : "检测进行中，完成后可导出 Excel 检查报告";
+    public bool CanExportReport => DetectionCompleted;
+    public bool CanModifySession => !DetectionCompleted;
     public string SelectedItemTitle => SelectedItem?.Item ?? "未选择项目";
     public string SelectedItemStatusText => SelectedItem?.StatusText ?? "待检";
     public string RealtimeRecirculationDisplay => ChannelDisplay("再循环率", "F1", "%");
@@ -442,7 +456,13 @@ public partial class MainViewModel : ObservableObject, IDisposable
 
     partial void OnComplianceRateChanged(double value) => OnPropertyChanged(nameof(ComplianceDisplay));
     partial void OnDeltaPressureChanged(double value) => OnPropertyChanged(nameof(DeltaPressureDisplay));
-    partial void OnDetectionCompletedChanged(bool value) => OnPropertyChanged(nameof(ExportStateText));
+    partial void OnDetectionCompletedChanged(bool value)
+    {
+        UpdateDetectionSummary();
+        OnPropertyChanged(nameof(ExportStateText));
+        OnPropertyChanged(nameof(CanExportReport));
+        OnPropertyChanged(nameof(CanModifySession));
+    }
     partial void OnProductModelChanged(string value) => UpdateAndPersistLimitSettings();
     partial void OnApplicablePopulationChanged(string value) => UpdateAndPersistLimitSettings();
     partial void OnRatedMaxFlowChanged(double value) => UpdateAndPersistLimitSettings();
@@ -565,6 +585,11 @@ public partial class MainViewModel : ObservableObject, IDisposable
     [RelayCommand]
     private void TogglePumpControl(PumpControlChannel? pump)
     {
+        if (!EnsureSessionEditable("泵控"))
+        {
+            return;
+        }
+
         if (pump is null)
         {
             return;
@@ -572,16 +597,21 @@ public partial class MainViewModel : ObservableObject, IDisposable
 
         var nextState = !pump.IsRunning;
         _telemetryService.SetPumpRunning(pump.Key, nextState);
-        LatestAction = _telemetryService.IsLiveConnected
+        LatestAction = IsTelemetryOnline
             ? $"{pump.Name} 已发送{(nextState ? "启动" : "停止")}指令。"
             : $"{pump.Name} 指令未下发，PLC 当前离线。";
         TraceEvents.Insert(0, NewTrace("泵控", $"{pump.Name} => {(nextState ? "启动" : "停止")}"));
-        RefreshTelemetry();
+        _ = RefreshTelemetryAsync();
     }
 
     [RelayCommand]
     private void ToggleValveControl(ValveControlChannel? valve)
     {
+        if (!EnsureSessionEditable("阀控"))
+        {
+            return;
+        }
+
         if (valve is null)
         {
             return;
@@ -589,16 +619,21 @@ public partial class MainViewModel : ObservableObject, IDisposable
 
         var nextState = !valve.IsOpen;
         _telemetryService.SetValveOpen(valve.Key, nextState);
-        LatestAction = _telemetryService.IsLiveConnected
+        LatestAction = IsTelemetryOnline
             ? $"{valve.Name} 已发送{(nextState ? "开启" : "关闭")}指令。"
             : $"{valve.Name} 指令未下发，PLC 当前离线。";
         TraceEvents.Insert(0, NewTrace("阀控", $"{valve.Name} => {(nextState ? "开启" : "关闭")}"));
-        RefreshTelemetry();
+        _ = RefreshTelemetryAsync();
     }
 
     [RelayCommand]
     private void ClearTrendData()
     {
+        if (!EnsureSessionEditable("趋势清空"))
+        {
+            return;
+        }
+
         ClearTrendSeries(
             ProximalPressureTrendValues,
             DistalPressureTrendValues,
@@ -641,6 +676,11 @@ public partial class MainViewModel : ObservableObject, IDisposable
     [RelayCommand]
     private void CaptureAntiCollapseBaseline()
     {
+        if (!EnsureSessionEditable("抗塌陷基线采集"))
+        {
+            return;
+        }
+
         if (!IsAntiCollapseSelected)
         {
             LatestAction = "当前选择的不是抗塌陷项目。";
@@ -674,6 +714,11 @@ public partial class MainViewModel : ObservableObject, IDisposable
     [RelayCommand]
     private void CaptureAntiCollapseComparison()
     {
+        if (!EnsureSessionEditable("抗塌陷比较采集"))
+        {
+            return;
+        }
+
         if (!IsAntiCollapseSelected)
         {
             LatestAction = "当前选择的不是抗塌陷项目。";
@@ -721,6 +766,11 @@ public partial class MainViewModel : ObservableObject, IDisposable
     [RelayCommand]
     private void ToggleAcquisition()
     {
+        if (!EnsureSessionEditable("采集控制"))
+        {
+            return;
+        }
+
         AcquisitionRunning = !AcquisitionRunning;
         RefreshDeviceStatus();
         LatestAction = AcquisitionRunning ? "继续采集实时数据，供检测参考。" : "已暂停实时采集。";
@@ -774,6 +824,11 @@ public partial class MainViewModel : ObservableObject, IDisposable
     [RelayCommand]
     private void ApplyResult()
     {
+        if (!EnsureSessionEditable("结果填写"))
+        {
+            return;
+        }
+
         if (SelectedItem is null)
         {
             LatestAction = "请先选择项目。";
@@ -829,12 +884,18 @@ public partial class MainViewModel : ObservableObject, IDisposable
     [RelayCommand]
     private void CompleteDetection()
     {
+        if (DetectionCompleted)
+        {
+            LatestAction = "当前检测任务已完成。";
+            return;
+        }
+
         DetectionCompleted = true;
         CurrentStage = "检测完成";
         AcquisitionRunning = false;
         _timer.Stop();
         DeviceStatus = "采集停止";
-        LatestAction = PendingCount == 0 ? "检测完成，全部项目已填写，可导出检查报告。" : $"检测完成，但仍有 {PendingCount} 项待处理，请确认后导出检查报告。";
+        LatestAction = PendingCount == 0 ? "检测完成，全部项目已填写，可导出 Excel 检查报告。" : $"检测完成，但仍有 {PendingCount} 项待处理，请确认后导出 Excel 检查报告。";
         TraceEvents.Insert(0, NewTrace("检测完成", "检测员结束本次检测任务"));
     }
 
@@ -856,6 +917,64 @@ public partial class MainViewModel : ObservableObject, IDisposable
 
     [RelayCommand]
     private void ExportReport()
+    {
+        ExportReportExcel();
+    }
+
+    private void ExportReportExcel()
+    {
+        if (!CanExportReport)
+        {
+            LatestAction = "检测尚未完成，不能导出正式的 Excel 检查报告。";
+            return;
+        }
+
+        var outputDirectory = ResolveReportOutputDirectory();
+        var timestamp = DateTime.Now.ToString("yyyyMMdd-HHmmss");
+        var batchToken = string.IsNullOrWhiteSpace(BatchNumber) ? "未填写批号" : SanitizeFileNameSegment(BatchNumber.Trim());
+        var excelPath = Path.Combine(outputDirectory, $"检查报告-{batchToken}-{timestamp}.xlsx");
+
+        try
+        {
+            var document = new ExcelReportDocument(
+                pageTitle: PageTitle,
+                batchNumber: BatchNumber,
+                currentStage: CurrentStage,
+                operatorName: OperatorName,
+                reviewerName: ReviewerName,
+                approverName: ApproverName,
+                complianceDisplay: ComplianceDisplay,
+                deltaPressureDisplay: DeltaPressureDisplay,
+                detectionSummary: DetectionSummary,
+                configurationSummary: ConfigurationSummary,
+                exportTime: DateTime.Now,
+                inspectionItems: InspectionItems.ToList(),
+                traceEvents: TraceEvents.ToList(),
+                kinkResistanceEntries: KinkResistanceEntries.ToList(),
+                kinkResistanceFlowPointDisplay: KinkResistanceFlowPointDisplay,
+                kinkResistanceMandrelDiameterDisplay: KinkResistanceMandrelDiameterDisplay,
+                pressureDropEntries: PressureDropEntries.ToList(),
+                pressureDropLimitDisplay: PressureDropLimitDisplay,
+                antiCollapseBaselineDisplay: AntiCollapseBaselineDisplay,
+                antiCollapseComparisonDisplay: AntiCollapseComparisonDisplay,
+                antiCollapseCurrentNegativePressure: NegativeAssistPressureDisplay,
+                antiCollapseCurrentFlowDisplay: PumpFlowDisplay,
+                antiCollapseAllowedIncreaseRateDisplay: $"{AntiCollapseAllowedIncreaseRate:F1}%",
+                recirculationEntries: RecirculationEntries.ToList(),
+                recirculationLimitDisplay: RecirculationLimitDisplay);
+
+            document.GenerateExcel(excelPath);
+            LatestAction = $"已导出 Excel 检查报告: {excelPath}";
+            TraceEvents.Insert(0, NewTrace("Excel检查报告导出", Path.GetFileName(excelPath)));
+        }
+        catch (Exception ex)
+        {
+            LatestAction = $"Excel 检查报告导出失败: {ex.Message}";
+            TraceEvents.Insert(0, NewTrace("Excel检查报告导出失败", ex.Message));
+        }
+    }
+
+    private void ExportReportPdf()
     {
         var outputDirectory = ResolveReportOutputDirectory();
         var timestamp = DateTime.Now.ToString("yyyyMMdd-HHmmss");
@@ -902,20 +1021,39 @@ public partial class MainViewModel : ObservableObject, IDisposable
         }
     }
 
-    private void RefreshTelemetry()
+    private async Task RefreshTelemetryAsync()
     {
-        var alarms = _telemetryService.UpdateChannels();
-        AlarmMessages.Clear();
-
-        foreach (var alarm in alarms.OrderByDescending(a => a.Timestamp))
+        if (_telemetryRefreshInProgress)
         {
-            AlarmMessages.Add(alarm);
+            return;
         }
 
-        RefreshTelemetryPanel();
-        RefreshDeviceStatus();
-        RefreshComputedState();
-        RefreshFilteredItemsView();
+        _telemetryRefreshInProgress = true;
+
+        try
+        {
+            var snapshot = await Task.Run(_telemetryService.UpdateChannels);
+            ApplyTelemetrySnapshot(snapshot);
+            _lastTelemetryRefreshFailureMessage = string.Empty;
+            RefreshTelemetryPanel();
+            RefreshDeviceStatus();
+            RefreshComputedState();
+            RefreshFilteredItemsView();
+        }
+        catch (Exception ex)
+        {
+            if (!string.Equals(_lastTelemetryRefreshFailureMessage, ex.Message, StringComparison.Ordinal))
+            {
+                LatestAction = $"实时数据刷新失败: {ex.Message}";
+                TraceEvents.Insert(0, NewTrace("实时数据刷新失败", ex.Message));
+                _lastTelemetryRefreshFailureMessage = ex.Message;
+            }
+            RefreshDeviceStatus();
+        }
+        finally
+        {
+            _telemetryRefreshInProgress = false;
+        }
     }
 
     private void RefreshTelemetryPanel()
@@ -987,9 +1125,9 @@ public partial class MainViewModel : ObservableObject, IDisposable
             return;
         }
 
-        DeviceStatus = _telemetryService.IsLiveConnected
+        DeviceStatus = IsTelemetryOnline
             ? "PLC在线"
-            : _telemetryService.LastSuccessfulReadAt.HasValue
+            : _telemetryLastUpdatedAt.HasValue
                 ? "PLC断连"
                 : "等待连接";
     }
@@ -1000,6 +1138,7 @@ public partial class MainViewModel : ObservableObject, IDisposable
         WarningCount = InspectionItems.Count(r => r.Status == InspectionItemStatus.Warning || r.Status == InspectionItemStatus.Critical);
         PendingCount = InspectionItems.Count(r => r.Status == InspectionItemStatus.Pending);
         ComplianceRate = InspectionItems.Count == 0 ? 0 : QualifiedCount * 100d / InspectionItems.Count;
+        UpdateDetectionSummary();
     }
 
     private void CaptureTrendSamples()
@@ -1198,11 +1337,6 @@ public partial class MainViewModel : ObservableObject, IDisposable
         var antiCollapseItem = InspectionItems.FirstOrDefault(item => item.Clause == "4.3.2");
         if (antiCollapseItem is not null)
         {
-            if (HasChannelTelemetry("主泵流量", "近端压力", "远端压力"))
-            {
-                UpdateAntiCollapseBaseline();
-            }
-
             if (SelectedItem == antiCollapseItem)
             {
                 var suggestedResult = BuildAntiCollapseMeasuredText();
@@ -1584,6 +1718,11 @@ public partial class MainViewModel : ObservableObject, IDisposable
 
     private void CaptureKinkResistanceBaseline(string label)
     {
+        if (!EnsureSessionEditable("抗扭结基线采样"))
+        {
+            return;
+        }
+
         if (!IsKinkResistanceSelected)
         {
             LatestAction = "当前选择的不是抗扭结抗性项目。";
@@ -1612,6 +1751,11 @@ public partial class MainViewModel : ObservableObject, IDisposable
 
     private void CaptureKinkResistanceKinked(string label)
     {
+        if (!EnsureSessionEditable("抗扭结比较采样"))
+        {
+            return;
+        }
+
         if (!IsKinkResistanceSelected)
         {
             LatestAction = "当前选择的不是抗扭结抗性项目。";
@@ -1705,11 +1849,13 @@ public partial class MainViewModel : ObservableObject, IDisposable
 
     private string BuildPressureDropRecordNote()
     {
+        var nearestLabel = ResolveNearestFlowPointLabel();
+        var nearestLimit = PressureDropLimit(nearestLabel);
         var pressureStatusText = DeltaPressure switch
         {
-            <= 20 => "实时判定合格",
-            <= 24 => "实时判定预警，建议补充中间流量点复测",
-            _ => "实时判定超限，建议复核回路、样品及声明范围"
+            var value when value <= nearestLimit => $"按当前接近 {nearestLabel} 流量点（限值 {nearestLimit:F1} mmHg）实时判定合格",
+            var value when value <= nearestLimit * 1.1 => $"按当前接近 {nearestLabel} 流量点（限值 {nearestLimit:F1} mmHg）实时判定预警，建议复测",
+            _ => $"按当前接近 {nearestLabel} 流量点（限值 {nearestLimit:F1} mmHg）实时判定超限，建议复核回路、样品及声明范围"
         };
 
         return
@@ -1750,6 +1896,11 @@ public partial class MainViewModel : ObservableObject, IDisposable
 
     private void CapturePressureDropSample(string label)
     {
+        if (!EnsureSessionEditable("压力降采样"))
+        {
+            return;
+        }
+
         if (!IsPressureDropSelected)
         {
             LatestAction = "当前选择的不是压力降项目。";
@@ -1775,26 +1926,6 @@ public partial class MainViewModel : ObservableObject, IDisposable
         OnPropertyChanged(nameof(SelectedItemLiveDisplay));
     }
 
-    private void UpdateAntiCollapseBaseline()
-    {
-        if (!HasChannelTelemetry("主泵流量", "近端压力", "远端压力"))
-        {
-            return;
-        }
-
-        var negativePressure = ChannelValueOrDefault("负压辅助引流");
-
-        if (_antiCollapseBaselinePressureDrop is null || negativePressure >= -1.0)
-        {
-            _antiCollapseBaselinePressureDrop = DeltaPressure;
-            _antiCollapseBaselineFlow = PumpFlow;
-            _antiCollapseBaselineCapturedAt = DateTime.Now;
-            OnPropertyChanged(nameof(HasAntiCollapseBaseline));
-            OnPropertyChanged(nameof(AntiCollapseBaselineDisplay));
-            OnPropertyChanged(nameof(AntiCollapseComparisonDisplay));
-        }
-    }
-
     private string BuildAntiCollapseLiveDisplay()
     {
         if (!HasChannelTelemetry("主泵流量", "近端压力", "远端压力"))
@@ -1937,6 +2068,11 @@ public partial class MainViewModel : ObservableObject, IDisposable
 
     private void UpdateAndPersistLimitSettings()
     {
+        if (DetectionCompleted)
+        {
+            return;
+        }
+
         RefreshSpecializedJudgements();
 
         if (_suppressLimitSettingsSave)
@@ -1977,6 +2113,8 @@ public partial class MainViewModel : ObservableObject, IDisposable
         }
         catch
         {
+            LatestAction = "制造商限值加载失败，已继续使用当前默认参数。";
+            TraceEvents.Insert(0, NewTrace("限值配置加载失败", LimitSettingsPath));
         }
         finally
         {
@@ -2014,6 +2152,8 @@ public partial class MainViewModel : ObservableObject, IDisposable
         }
         catch
         {
+            LatestAction = "制造商限值保存失败，请检查本地目录权限。";
+            TraceEvents.Insert(0, NewTrace("限值配置保存失败", LimitSettingsPath));
         }
     }
 
@@ -2098,6 +2238,11 @@ public partial class MainViewModel : ObservableObject, IDisposable
 
     private void CaptureRecirculationSample(string label)
     {
+        if (!EnsureSessionEditable("再循环采样"))
+        {
+            return;
+        }
+
         if (!IsRecirculationSelected)
         {
             LatestAction = "当前选择的不是再循环项目。";
@@ -2268,6 +2413,110 @@ public partial class MainViewModel : ObservableObject, IDisposable
     private double PressureDropFlowPoint(double ratio) =>
         Math.Max(RatedMaxFlow, 0) * ratio;
 
+    private void ApplyTelemetrySnapshot(TelemetryUpdateSnapshot snapshot)
+    {
+        _isTelemetryOnline = snapshot.IsLiveConnected;
+        _plcEndpointDisplay = snapshot.EndpointDescription;
+        _telemetryLastUpdatedAt = snapshot.LastSuccessfulReadAt;
+        _telemetryStatusDetail = snapshot.LastErrorMessage;
+
+        foreach (var channelSnapshot in snapshot.Channels)
+        {
+            var channel = Channels.FirstOrDefault(item => item.Name == channelSnapshot.Name);
+            if (channel is null)
+            {
+                continue;
+            }
+
+            channel.Value = channelSnapshot.Value;
+            channel.IsAvailable = channelSnapshot.IsAvailable;
+        }
+
+        foreach (var pumpSnapshot in snapshot.PumpControls)
+        {
+            var pump = PumpControls.FirstOrDefault(item => item.Key == pumpSnapshot.Key);
+            if (pump is null)
+            {
+                continue;
+            }
+
+            pump.IsRunning = pumpSnapshot.IsRunning;
+            pump.FlowValue = pumpSnapshot.FlowValue;
+            pump.StateAvailable = pumpSnapshot.StateAvailable;
+            pump.FlowAvailable = pumpSnapshot.FlowAvailable;
+        }
+
+        foreach (var valveSnapshot in snapshot.ValveControls)
+        {
+            var valve = ValveControls.FirstOrDefault(item => item.Key == valveSnapshot.Key);
+            if (valve is null)
+            {
+                continue;
+            }
+
+            valve.IsOpen = valveSnapshot.IsOpen;
+            valve.StateAvailable = valveSnapshot.StateAvailable;
+        }
+
+        AlarmMessages.Clear();
+        foreach (var alarm in snapshot.Alarms.OrderByDescending(item => item.Timestamp))
+        {
+            AlarmMessages.Add(alarm);
+        }
+    }
+
+    private void UpdateDetectionSummary()
+    {
+        var completedCount = Math.Max(InspectionItems.Count - PendingCount, 0);
+        var completionText = DetectionCompleted ? "本次检测已完成" : "本次检测进行中";
+        var riskText = WarningCount == 0 ? "未出现预警或不合格项" : $"共 {WarningCount} 项预警/不合格需复核";
+        var pendingText = PendingCount == 0 ? "所有项目均已录入" : $"仍有 {PendingCount} 项待处理";
+        DetectionSummary =
+            $"{completionText}，共 {InspectionItems.Count} 项，已完成 {completedCount} 项，合格 {QualifiedCount} 项，{riskText}，{pendingText}。";
+    }
+
+    private static DeviceChannel CloneDeviceChannel(DeviceChannel source) => new()
+    {
+        Name = source.Name,
+        Unit = source.Unit,
+        Min = source.Min,
+        Max = source.Max,
+        Value = source.Value,
+        IsAvailable = source.IsAvailable
+    };
+
+    private static PumpControlChannel ClonePumpControlChannel(PumpControlChannel source) => new()
+    {
+        Key = source.Key,
+        Name = source.Name,
+        StartAddress = source.StartAddress,
+        FlowAddress = source.FlowAddress,
+        IsRunning = source.IsRunning,
+        FlowValue = source.FlowValue,
+        StateAvailable = source.StateAvailable,
+        FlowAvailable = source.FlowAvailable
+    };
+
+    private static ValveControlChannel CloneValveControlChannel(ValveControlChannel source) => new()
+    {
+        Key = source.Key,
+        Name = source.Name,
+        StartAddress = source.StartAddress,
+        IsOpen = source.IsOpen,
+        StateAvailable = source.StateAvailable
+    };
+
+    private bool EnsureSessionEditable(string actionName)
+    {
+        if (CanModifySession)
+        {
+            return true;
+        }
+
+        LatestAction = $"检测已完成，不能继续执行{actionName}。如需修改，请开始新的检测任务。";
+        return false;
+    }
+
     public void Dispose()
     {
         _timer.Stop();
@@ -2301,7 +2550,7 @@ public partial class MainViewModel : ObservableObject, IDisposable
         }
     }
 
-    private void OnTelemetryTimerTick(object? sender, EventArgs e) => RefreshTelemetry();
+    private async void OnTelemetryTimerTick(object? sender, EventArgs e) => await RefreshTelemetryAsync();
 
     private static string ResolveReportOutputDirectory()
     {

Cardiopulmonarybypasssystems/global.json

@@ -0,0 +1,6 @@
+{
+  "sdk": {
+    "version": "9.0.312",
+    "rollForward": "disable"
+  }
+}