feat(admin-web): integrate planting-service stats API for dashboard

Use planting-service's reliable database aggregation for total planting count
instead of reporting-service's Kafka event-driven statistics.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/admin-web/src/app/(dashboard)/dashboard/page.tsx

@@ -12,6 +12,7 @@ import {
   useDashboardTrend,
   useDashboardRegion,
   useDashboardActivities,
+  usePlantingStats,
 } from '@/hooks';
 import type { DashboardPeriod } from '@/types';
 import styles from './dashboard.module.scss';
@@ -76,6 +77,29 @@ export default function DashboardPage() {
     refetch: refetchActivities,
   } = useDashboardActivities(5);
 
+  // 从 planting-service 获取可靠的认种统计数据
+  const {
+    data: plantingStatsData,
+    isLoading: plantingStatsLoading,
+    error: plantingStatsError,
+    refetch: refetchPlantingStats,
+  } = usePlantingStats();
+
+  // 合并统计数据：总认种量使用 planting-service 的数据
+  const mergedStatsData = statsData?.map((stat) => {
+    if (stat.title === '总认种量' && plantingStatsData) {
+      return {
+        ...stat,
+        value: plantingStatsData.totalTreeCount,
+      };
+    }
+    return stat;
+  });
+
+  // 判断是否正在加载统计数据
+  const isStatsLoading = statsLoading || plantingStatsLoading;
+  const hasStatsError = statsError || plantingStatsError;
+
   const headerActions = (
     <>
       <Button variant="outline" size="sm">
@@ -99,24 +123,27 @@ export default function DashboardPage() {
       <div className={styles.dashboard}>
         {/* 统计卡片区 */}
         <div className={styles.dashboard__stats}>
-          {statsLoading ? (
+          {isStatsLoading ? (
             // 加载状态显示骨架屏
             <>
               {[1, 2, 3, 4].map((i) => (
                 <StatCardSkeleton key={i} />
               ))}
             </>
-          ) : statsError ? (
+          ) : hasStatsError ? (
             // 错误状态
             <div className={styles.dashboard__statsError}>
               <ErrorMessage
                 message="加载统计数据失败"
-                onRetry={() => refetchStats()}
+                onRetry={() => {
+                  refetchStats();
+                  refetchPlantingStats();
+                }}
               />
             </div>
-          ) : statsData && statsData.length > 0 ? (
+          ) : mergedStatsData && mergedStatsData.length > 0 ? (
-            // 正常显示数据
+            // 正常显示数据（总认种量使用 planting-service 的可靠数据）
-            statsData.map((stat, index) => (
+            mergedStatsData.map((stat, index) => (
               <StatCard key={index} {...stat} />
             ))
           ) : (

frontend/admin-web/src/hooks/useDashboard.ts

@@ -15,6 +15,7 @@ export const dashboardKeys = {
   trend: (period: DashboardPeriod) => [...dashboardKeys.all, 'trend', period] as const,
   region: () => [...dashboardKeys.all, 'region'] as const,
   activities: (limit: number) => [...dashboardKeys.all, 'activities', limit] as const,
+  plantingStats: () => [...dashboardKeys.all, 'plantingStats'] as const,
 };
 
 /**
@@ -97,3 +98,19 @@ export function useDashboardActivities(limit = 5) {
     refetchInterval: 60 * 1000, // 每分钟自动刷新
   });
 }
+
+/**
+ * 获取认种统计数据（来自 planting-service，直接从订单表聚合）
+ * 数据更可靠，用于显示总认种量
+ */
+export function usePlantingStats() {
+  return useQuery({
+    queryKey: dashboardKeys.plantingStats(),
+    queryFn: async () => {
+      const response = await dashboardService.getPlantingStats();
+      return response?.data ?? null;
+    },
+    staleTime: 60 * 1000, // 1分钟后标记为过期
+    gcTime: 5 * 60 * 1000,
+  });
+}

frontend/admin-web/src/infrastructure/api/endpoints.ts

@@ -111,6 +111,11 @@ export const API_ENDPOINTS = {
     REGION: '/v1/dashboard/region',
   },
 
+  // 认种统计 (planting-service) - 从订单表实时聚合，数据可靠
+  PLANTING_STATS: {
+    GLOBAL: '/v1/planting/stats/global',
+  },
+
   // 通知管理 (admin-service)
   NOTIFICATIONS: {
     LIST: '/v1/admin/notifications',

frontend/admin-web/src/services/dashboardService.ts

@@ -13,6 +13,7 @@ import type {
   RegionDistributionItem,
   DashboardActivity,
   DashboardStatItem,
+  PlantingGlobalStats,
 } from '@/types';
 
 /** 仪表板概览响应 */
@@ -80,6 +81,14 @@ export const dashboardService = {
       params: { limit },
     });
   },
+
+  /**
+   * 获取认种统计数据（来自 planting-service，直接从订单表聚合）
+   * 数据更可靠，可用于验证 reporting-service 的统计数据
+   */
+  async getPlantingStats(): Promise<ApiResponse<PlantingGlobalStats>> {
+    return apiClient.get(API_ENDPOINTS.PLANTING_STATS.GLOBAL);
+  },
 };
 
 export default dashboardService;

frontend/admin-web/src/types/dashboard.types.ts

@@ -87,3 +87,10 @@ export interface DashboardTrendParams {
 export interface DashboardActivitiesParams {
   limit?: number;
 }
+
+/** 认种全局统计数据（来自 planting-service） */
+export interface PlantingGlobalStats {
+  totalTreeCount: number;
+  totalOrderCount: number;
+  totalAmount: string;
+}