修复仪表盘三个bug：采集状态精确区分5种+暂停恢复、产量结算保留实时值、车间平均产量排除停用机床

frontend/src/views/dashboard/DashboardPage.vue

@@ -33,7 +33,7 @@
           <div class="stat-card">
             <div class="stat-label">
               采集服务
-              <el-tooltip content="数据采集服务的运行状态。系统根据心跳表判断服务是否存活，心跳超时则显示异常。" placement="top">
+              <el-tooltip content="数据采集服务的运行状态。点击暂停可暂停采集引擎，需手动启动/停止Windows服务。" placement="top">
                 <span class="info-icon">ⓘ</span>
               </el-tooltip>
             </div>
@@ -42,11 +42,12 @@
                 {{ collectorStatusText }}
               </el-tag>
             </div>
-            <div class="stat-sub" v-if="collectorStatus.serviceStatus === 'Running' && collectorStatus.status === 'running'">运行 {{ formatUptime(collectorStatus.uptimeSeconds) }}</div>
+            <div class="stat-sub" v-if="collectorStatus.status === 'running'">运行 {{ formatUptime(collectorStatus.uptimeSeconds) }}</div>
           </div>
             <div class="collector-actions">
-              <el-button v-if="collectorStatus.serviceStatus !== 'Running'" size="small" type="success" :loading="startLoading" @click="startCollector">启动采集</el-button>
-            <el-button v-if="collectorStatus.status === 'running'" size="small" type="danger" :loading="stopLoading" @click="stopCollector">停止采集</el-button>
+              <el-button v-if="collectorStatus.status === 'stopped' || collectorStatus.status === 'not_installed'" size="small" type="success" disabled>需手动启动服务</el-button>
+              <el-button v-if="collectorStatus.status === 'paused' || collectorStatus.status === 'timeout'" size="small" type="success" :loading="startLoading" @click="startCollector">恢复采集</el-button>
+              <el-button v-if="collectorStatus.status === 'running'" size="small" type="danger" :loading="stopLoading" @click="stopCollector">暂停采集</el-button>
               <el-button size="small" type="warning" :loading="refreshLoading" @click="refreshCollectorConfig">刷新配置</el-button>
             </div>
         </el-card>
@@ -402,25 +403,25 @@ function formatNumber(val: number | undefined | null): string {
   return Number(val).toFixed(2)
 }
 
-// 采集服务状态：综合心跳 + Windows服务状态
+// 采集服务状态：5种精确状态
 const collectorTagType = computed(() => {
-  const { serviceStatus, status } = collectorStatus.value
-  if (serviceStatus === 'Running' && status === 'running') return 'success'
-  if (serviceStatus === 'Running' && status !== 'running') return 'warning' // 进程在但心跳超时
-  if (serviceStatus === 'NotInstalled') return 'danger'
-  if (serviceStatus === 'StartFailed') return 'danger'
+  const { status } = collectorStatus.value
+  if (status === 'running') return 'success'
+  if (status === 'paused') return 'info'
+  if (status === 'timeout') return 'warning'
+  if (status === 'stopped') return 'info'
+  if (status === 'not_installed') return 'danger'
   return 'warning'
 })
 
 const collectorStatusText = computed(() => {
-  const { serviceStatus, status } = collectorStatus.value
-  if (serviceStatus === 'Running' && status === 'running') return '运行中'
-  if (serviceStatus === 'Running' && status !== 'running') return '心跳超时'
-  if (serviceStatus === 'NotInstalled') return '未安装'
-  if (serviceStatus === 'Stopped') return '已停止'
-  if (serviceStatus === 'Starting') return '启动中'
-  if (serviceStatus === 'StartFailed') return '启动失败'
-  return serviceStatus || '-'
+  const { status } = collectorStatus.value
+  if (status === 'running') return '运行中'
+  if (status === 'paused') return '已暂停'
+  if (status === 'timeout') return '心跳超时'
+  if (status === 'stopped') return '已停止'
+  if (status === 'not_installed') return '未安装'
+  return status || '-'
 })
 
 function alertTypeTag(type: string): string {
@@ -443,7 +444,7 @@ function initWorkshopChart() {
         trigger: 'axis',
         formatter: (params: any) => {
           const d = workshopData.value[params[0].dataIndex]
-          return `${d.workshopName}<br/>${unitLabel}产量: ${params[0].value} ${unit}<br/>总产量: ${d.quantity} 件<br/>机床数: ${d.machineCount} 台`
+          return `${d.workshopName}<br/>${unitLabel}产量: ${Number(params[0].value).toFixed(2)} ${unit}<br/>总产量: ${d.quantity} 件<br/>机床数: ${d.machineCount} 台`
         },
       },
       grid: { left: 60, right: 20, top: 20, bottom: 30 },
@@ -452,7 +453,7 @@ function initWorkshopChart() {
       series: [{
         type: 'bar', data: workshopData.value.map(i => i.avgQuantity),
         itemStyle: { color: '#67C23A', borderRadius: [4, 4, 0, 0] }, barWidth: '40%',
-        label: { show: true, position: 'top', formatter: `{c} ${unit}`, fontSize: 12 },
+        label: { show: true, position: 'top', formatter: (p: any) => `${Number(p.value).toFixed(2)} ${unit}`, fontSize: 12 },
       }],
     })
   }

src/CncCollector/Core/ProductionTracker.cs

@@ -119,8 +119,11 @@ namespace CncCollector.Core
                 using (var conn = new MySqlConnection(_connectionString))
                 {
                     // 结账所有活跃段：is_settled=0 且 end_time IS NULL
+                    // 正确计算quantity：保留当前end_part_count，用end-start计算产量
                     conn.Execute(@"UPDATE cnc_production_segment 
-                        SET end_time = NOW(), end_part_count = start_part_count, quantity = 0, 
+                        SET end_time = NOW(), 
+                            end_part_count = COALESCE(end_part_count, start_part_count),
+                            quantity = GREATEST(0, COALESCE(end_part_count, start_part_count) - start_part_count), 
                             close_reason = @Reason, is_settled = 1, updated_at = NOW()
                         WHERE is_settled = 0 AND end_time IS NULL",
                         new { Reason = SegmentCloseReason.ServiceStop });

src/CncRepository/Impl/Dashboard/DashboardRepository.cs

@@ -94,7 +94,7 @@ namespace CncRepository.Impl.Dashboard
                                ELSE COALESCE(SUM(ad.day_quantity), 0) / (DATEDIFF(@EndDate, @StartDate) + 1) / NULLIF(COUNT(DISTINCT m.id), 0)
                            END AS AvgQuantity
                     FROM cnc_workshop w
-                    LEFT JOIN cnc_machine m ON m.workshop_id = w.id
+                    LEFT JOIN cnc_machine m ON m.workshop_id = w.id AND m.is_enabled = 1
                     LEFT JOIN (
                         SELECT machine_id, production_date, day_quantity FROM (
                             SELECT dp.machine_id, dp.production_date, SUM(dp.total_quantity) AS day_quantity

src/CncService/Impl/DashboardService.cs

@@ -111,8 +111,30 @@ namespace CncService.Impl
                 serviceStatusText = svc.ToString();
             }
 
-            // 组合状态：NotInstalled -> 停止，其他根据心跳决定
-            string status = (serviceStatusText == "NotInstalled") ? "stopped" : (heartbeatRunning ? "running" : "stopped");
+            // 组合状态：精确区分5种情况
+            string status;
+            if (serviceStatusText == "NotInstalled")
+            {
+                status = "not_installed";
+            }
+            else if (serviceStatusText == "Stopped" || serviceStatusText == "StartFailed")
+            {
+                status = "stopped";
+            }
+            else if (heartbeatRunning)
+            {
+                status = "running";
+            }
+            else if (latest != null && latest.Status == "stopped")
+            {
+                // 引擎主动停止（暂停），心跳status='stopped'
+                status = "paused";
+            }
+            else
+            {
+                // 服务在运行但心跳超时
+                status = "timeout";
+            }
 
             return new {
                 status,

src/CncWebApi/Controllers/DashboardController.cs

@@ -137,15 +137,21 @@ namespace CncWebApi.Controllers
             try
             {
                 dynamic statusObj = _dashboardService.GetCollectorStatus();
+                string status = statusObj?.status as string;
                 string serviceStatus = statusObj?.serviceStatus as string;
                 if (!string.IsNullOrEmpty(serviceStatus) && string.Equals(serviceStatus, "NotInstalled", StringComparison.OrdinalIgnoreCase))
                 {
                     return Ok(ApiResponse<object>.Fail(40001, "采集服务未安装，请先在服务器上运行 install.ps1 安装服务"));
                 }
-                if (!string.IsNullOrEmpty(serviceStatus) && string.Equals(serviceStatus, "Running", StringComparison.OrdinalIgnoreCase))
+                if (status == "running")
                 {
                     return Ok(ApiResponse<object>.Fail(40002, "采集服务已在运行中，无需再次启动"));
                 }
+                if (status == "stopped")
+                {
+                    return Ok(ApiResponse<object>.Fail(40003, "采集服务已停止，请手动启动Windows服务"));
+                }
+                // paused 或 timeout 状态：转发到CncCollector恢复引擎
             }
             catch { /* ignore status fetch errors and fallback to forwarding */ }