fix: 看板4项体验修复 — 时间/身份证/日期筛选/通知跳转

1. 完整16位产品身份证号显示（不再截断）
2. 日期筛选栏: 今天 | 近7天 | 近30天 | 全部
   - 后端 recent-activity 支持 since/until ISO参数
   - 默认展示今天动态，可按时间范围切换
3. 操作人兜底: TaskLog无operator_id时用任务assignee_id
4. 未读通知可点击跳转通知页面 + 快捷入口增加通知中心

frontend/src/pages/admin/AdminDashboard.tsx

@@ -1,7 +1,7 @@
-import { useEffect, useState } from "react";
+import { useEffect, useMemo, useState } from "react";
 import {
   Package, ClipboardList, Bell, TrendingUp, AlertTriangle,
-  RefreshCw, Loader2, AlertCircle, Plus, ArrowRight,
+  RefreshCw, Loader2, AlertCircle, Plus, ArrowRight, Calendar,
 } from "lucide-react";
 import { useNavigate } from "react-router-dom";
 import {
@@ -9,14 +9,22 @@ import {
   type DashboardStats, type RecentActivity,
 } from "../../services/dashboardApi";
 
-// ─── 小卡片 ───────────────────────────────────────────────
-function MiniStat({ value, label, color }: { value: number; label: string; color: string }) {
-  return (
-    <div className="text-center">
-      <span className={`text-xl font-bold ${color}`}>{value}</span>
-      <p className="text-[11px] text-gray-400">{label}</p>
-    </div>
-  );
+// ─── 日期筛选选项 ─────────────────────────────────────────
+type DateRange = "today" | "7d" | "30d" | "all";
+const DATE_OPTIONS: { key: DateRange; label: string }[] = [
+  { key: "today", label: "今天" },
+  { key: "7d", label: "近7天" },
+  { key: "30d", label: "近30天" },
+  { key: "all", label: "全部" },
+];
+
+function getSince(key: DateRange): string | undefined {
+  if (key === "all") return undefined;
+  const now = new Date();
+  now.setHours(0, 0, 0, 0);
+  if (key === "today") return now.toISOString();
+  now.setDate(now.getDate() - (key === "7d" ? 7 : 30));
+  return now.toISOString();
 }
 
 // ─── 进度条 ───────────────────────────────────────────────
@@ -65,11 +73,14 @@ function ActivityItem({ a }: { a: RecentActivity }) {
         <div className="flex items-baseline gap-2">
           <span className="text-sm font-medium text-gray-700">{a.action}</span>
           <span className="truncate text-xs text-gray-500">{a.task_name}</span>
+          {a.remark && (
+            <span className="truncate text-[11px] text-gray-400">— {a.remark.slice(0, 30)}{a.remark.length > 30 ? "…" : ""}</span>
+          )}
         </div>
         <div className="mt-0.5 flex items-center gap-2 text-[11px] text-gray-400">
-          <span>{a.operator}</span>
+          <span>{a.operator || "—"}</span>
           <span>·</span>
-          <span className="font-mono">{a.product_sn.slice(0, 8)}…</span>
+          <span className="font-mono">{a.product_sn}</span>
           <span className="ml-auto">{a.time}</span>
         </div>
       </div>
@@ -83,17 +94,26 @@ export default function AdminDashboard() {
   const [activity, setActivity] = useState<RecentActivity[]>([]);
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState<string | null>(null);
+  const [dateRange, setDateRange] = useState<DateRange>("today");
   const navigate = useNavigate();
 
-  useEffect(() => {
+  const loadData = (dr: DateRange) => {
+    const since = getSince(dr);
     Promise.all([
       fetchDashboardStats(),
-      fetchRecentActivity(8),
+      fetchRecentActivity(15, since),
     ])
-      .then(([s, a]) => { setStats(s); setActivity(a); })
-      .catch(() => setError("加载统计数据失败，请确认后端已启动"))
+      .then(([s, a]) => { setStats(s); setActivity(a); setError(null); })
+      .catch(() => setError("加载失败，请确认后端已启动"))
       .finally(() => setLoading(false));
-  }, []);
+  };
+
+  useEffect(() => { loadData(dateRange); }, [dateRange]);
+
+  const handleDateChange = (dr: DateRange) => {
+    setLoading(true);
+    setDateRange(dr);
+  };
 
   // ── 加载态 ──
   if (loading) {
@@ -109,6 +129,8 @@ export default function AdminDashboard() {
     return (
       <div className="flex items-center gap-2 rounded-lg border border-red-200 bg-red-50 px-4 py-3 text-sm text-red-700">
         <AlertCircle className="h-4 w-4" />{error || "数据为空"}
+        <button onClick={() => { setLoading(true); loadData(dateRange); }}
+          className="ml-auto text-blue-600 underline">重试</button>
       </div>
     );
   }
@@ -116,17 +138,34 @@ export default function AdminDashboard() {
   return (
     <div className="space-y-6">
       {/* ═══ 页头 ═══ */}
-      <div className="flex items-center justify-between">
+      <div className="flex items-center justify-between flex-wrap gap-3">
         <div>
           <h2 className="text-xl font-bold text-gray-800">📊 生产管理看板</h2>
           <p className="mt-0.5 text-sm text-gray-400">
             产品 = 物理实体（身份证）｜ 任务 = 工序节点（流转步骤）
           </p>
         </div>
-        <button onClick={() => window.location.reload()}
-          className="flex items-center gap-1 rounded-lg px-3 py-1.5 text-xs text-gray-500 hover:bg-gray-100">
-          <RefreshCw className="h-3.5 w-3.5" />刷新
-        </button>
+        <div className="flex items-center gap-2">
+          {/* 日期筛选 */}
+          <div className="flex rounded-lg border border-gray-200 bg-white p-0.5">
+            {DATE_OPTIONS.map(opt => (
+              <button key={opt.key}
+                onClick={() => handleDateChange(opt.key)}
+                className={`rounded-md px-3 py-1.5 text-xs font-medium transition-colors ${
+                  dateRange === opt.key
+                    ? "bg-blue-600 text-white shadow-sm"
+                    : "text-gray-500 hover:text-gray-700"
+                }`}
+              >
+                {opt.label}
+              </button>
+            ))}
+          </div>
+          <button onClick={() => { setLoading(true); loadData(dateRange); }}
+            className="flex items-center gap-1 rounded-lg px-3 py-1.5 text-xs text-gray-500 hover:bg-gray-100">
+            <RefreshCw className="h-3.5 w-3.5" />刷新
+          </button>
+        </div>
       </div>
 
       {/* ═══ 第1行：4 张概览卡片 ═══ */}
@@ -155,7 +194,7 @@ export default function AdminDashboard() {
             total={stats.tasks_total} labels={["待接收", "进行中", "已完成"]} />
         </div>
 
-        {/* 品质 & 通知 */}
+        {/* 品质 & 通知 — 通知可点击 */}
         <div className="rounded-xl bg-white p-5 shadow-sm">
           <div className="mb-4 flex items-center gap-2">
             <AlertTriangle className="h-5 w-5 text-orange-600" />
@@ -166,15 +205,27 @@ export default function AdminDashboard() {
               <p className="text-2xl font-bold text-red-600">{stats.tasks_rejected + stats.tasks_rework}</p>
               <p className="text-[11px] text-red-500">驳回/返工</p>
             </div>
-            <div className="rounded-lg bg-blue-50 p-3 text-center">
+            <button
+              onClick={() => navigate("/notifications")}
+              className="rounded-lg bg-blue-50 p-3 text-center hover:bg-blue-100 transition-colors cursor-pointer border-0"
+            >
               <p className="text-2xl font-bold text-blue-600">{stats.unread_notifications}</p>
-              <p className="text-[11px] text-blue-500">未读通知</p>
-            </div>
+              <p className="text-[11px] text-blue-500">未读通知 ↗</p>
+            </button>
           </div>
           <div className="mt-3 flex justify-around border-t border-gray-100 pt-3">
-            <MiniStat value={stats.tasks_rejected} label="已驳回" color="text-red-600" />
-            <MiniStat value={stats.tasks_rework} label="返工中" color="text-orange-600" />
-            <MiniStat value={stats.unread_notifications} label="未读消息" color="text-blue-600" />
+            <div className="text-center">
+              <span className="text-lg font-bold text-red-600">{stats.tasks_rejected}</span>
+              <p className="text-[11px] text-gray-400">已驳回</p>
+            </div>
+            <div className="text-center">
+              <span className="text-lg font-bold text-orange-600">{stats.tasks_rework}</span>
+              <p className="text-[11px] text-gray-400">返工中</p>
+            </div>
+            <div className="text-center">
+              <span className="text-lg font-bold text-blue-600">{stats.unread_notifications}</span>
+              <p className="text-[11px] text-gray-400">未读消息</p>
+            </div>
           </div>
         </div>
 
@@ -190,15 +241,12 @@ export default function AdminDashboard() {
             </p>
             <p className="text-sm text-gray-400">{stats.tasks_completed}/{stats.tasks_total} 已完成</p>
           </div>
-          {/* 简易环形图 */}
-          <div className="mt-4 flex justify-center">
-            <svg viewBox="0 0 100 100" className="h-20 w-20 -rotate-90">
-              <circle cx="50" cy="50" r="40" fill="none" stroke="#f3f4f6" strokeWidth="10" />
-              <circle cx="50" cy="50" r="40" fill="none" stroke="#10b981" strokeWidth="10"
-                strokeDasharray={`${stats.tasks_total > 0 ? (stats.tasks_completed / stats.tasks_total) * 251 : 0} 251`}
-                strokeLinecap="round" />
-            </svg>
-          </div>
+          <svg viewBox="0 0 100 100" className="mx-auto mt-4 h-20 w-20 -rotate-90">
+            <circle cx="50" cy="50" r="40" fill="none" stroke="#f3f4f6" strokeWidth="10" />
+            <circle cx="50" cy="50" r="40" fill="none" stroke="#10b981" strokeWidth="10"
+              strokeDasharray={`${stats.tasks_total > 0 ? (stats.tasks_completed / stats.tasks_total) * 251 : 0} 251`}
+              strokeLinecap="round" />
+          </svg>
         </div>
       </div>
 
@@ -207,11 +255,18 @@ export default function AdminDashboard() {
         {/* 最近动态 */}
         <div className="rounded-xl bg-white p-5 shadow-sm lg:col-span-2">
           <div className="mb-3 flex items-center justify-between">
-            <h3 className="text-sm font-semibold text-gray-700">🕐 最近流转动态</h3>
-            <span className="text-[11px] text-gray-400">最新 8 条</span>
+            <h3 className="flex items-center gap-2 text-sm font-semibold text-gray-700">
+              <Calendar className="h-4 w-4" /> 最近流转动态
+            </h3>
+            <span className="text-[11px] text-gray-400">
+              {dateRange === "today" ? "今天" : dateRange === "7d" ? "近7天" : dateRange === "30d" ? "近30天" : "全部"}
+              · {activity.length} 条
+            </span>
           </div>
           {activity.length === 0 ? (
-            <div className="py-8 text-center text-sm text-gray-400">暂无流转记录</div>
+            <div className="py-10 text-center text-sm text-gray-400">
+              {dateRange === "today" ? "今天暂无流转记录" : "该时间段暂无流转记录"}
+            </div>
           ) : (
             <div className="divide-y divide-gray-50">
               {activity.map((a, i) => <ActivityItem key={i} a={a} />)}
@@ -225,7 +280,7 @@ export default function AdminDashboard() {
           <div className="space-y-2">
             <button onClick={() => navigate("/admin/products")}
               className="flex w-full items-center justify-between rounded-lg bg-blue-50 px-4 py-3 text-left text-sm font-medium text-blue-700 hover:bg-blue-100 transition-colors">
-              <span className="flex items-center gap-2"><Plus className="h-4 w-4" />创建产品</span>
+              <span className="flex items-center gap-2"><Plus className="h-4 w-4" />产品管理</span>
               <ArrowRight className="h-4 w-4" />
             </button>
             <button onClick={() => navigate("/admin/tasks")}
@@ -233,26 +288,28 @@ export default function AdminDashboard() {
               <span className="flex items-center gap-2"><ClipboardList className="h-4 w-4" />任务管理</span>
               <ArrowRight className="h-4 w-4" />
             </button>
+            <button onClick={() => navigate("/notifications")}
+              className="flex w-full items-center justify-between rounded-lg bg-red-50 px-4 py-3 text-left text-sm font-medium text-red-700 hover:bg-red-100 transition-colors">
+              <span className="flex items-center gap-2"><Bell className="h-4 w-4" />
+                {stats.unread_notifications > 0
+                  ? `未读通知 (${stats.unread_notifications})`
+                  : "通知中心"}
+              </span>
+              <ArrowRight className="h-4 w-4" />
+            </button>
             <button onClick={() => navigate("/admin/print-config")}
               className="flex w-full items-center justify-between rounded-lg bg-amber-50 px-4 py-3 text-left text-sm font-medium text-amber-700 hover:bg-amber-100 transition-colors">
               <span className="flex items-center gap-2">🖨️ 打印配置</span>
               <ArrowRight className="h-4 w-4" />
             </button>
-            <button onClick={() => navigate("/scan")}
-              className="flex w-full items-center justify-between rounded-lg bg-emerald-50 px-4 py-3 text-left text-sm font-medium text-emerald-700 hover:bg-emerald-100 transition-colors">
-              <span className="flex items-center gap-2">📱 扫码干活</span>
-              <ArrowRight className="h-4 w-4" />
-            </button>
           </div>
 
-          {/* 说明卡片 */}
           <div className="mt-5 rounded-lg bg-gray-50 p-3">
             <p className="text-[11px] leading-relaxed text-gray-500">
-              <strong>💡 怎么理解？</strong><br />
-              一个<strong className="text-gray-700">产品</strong>从创建到入库，会经过多道
-              <strong className="text-gray-700">工序</strong>（装配→接线→质检…）。
-              每道工序就是一个<strong className="text-gray-700">任务</strong>，由不同工人完成。
-              所以任务数 ≥ 产品数是正常的。
+              <strong>💡 一个产品 = 多道工序</strong><br />
+              产品从创建到入库，经过装配→接线→质检等多道工序。
+              每个工序就是一个<strong className="text-gray-700">任务</strong>，
+              由不同工人完成。任务数 ≥ 产品数是正常的。
             </p>
           </div>
         </div>

frontend/src/services/dashboardApi.ts

@@ -28,7 +28,14 @@ export async function fetchDashboardStats(): Promise<DashboardStats> {
   return data;
 }
 
-export async function fetchRecentActivity(limit = 10): Promise<RecentActivity[]> {
-  const { data } = await api.get<RecentActivity[]>("/dashboard/recent-activity", { params: { limit } });
+export async function fetchRecentActivity(
+  limit = 10,
+  since?: string,
+  until?: string,
+): Promise<RecentActivity[]> {
+  const params: Record<string, string | number> = { limit };
+  if (since) params.since = since;
+  if (until) params.until = until;
+  const { data } = await api.get<RecentActivity[]>("/dashboard/recent-activity", { params });
   return data;
 }