feat: 任务全景表格新增"最新动态"列

后端:
  - ProductResponse 新增 latest_record_time/content 字段
  - get_all_products 批量查询活跃任务(WIP/PENDING)的最新 task_records
  - 使用窗口函数 ROW_NUMBER() PARTITION BY product_id

前端:
  - AdminTasksPage: grid-cols-12→grid-cols-[14]
  - 表头+数据行新增"最新动态"列
  - Tooltip悬浮显示完整内容, 截断+灰字二级排版

backend/app/schemas/product.py

@@ -55,6 +55,9 @@ class ProductResponse(BaseModel):
     overall_status: str | None = None
     status: str
     created_at: datetime
+    # 🔧 最新动态 — 该产品活跃任务的最新记录
+    latest_record_time: datetime | None = None
+    latest_record_content: str | None = None
 
     model_config = {"from_attributes": True}
 

backend/app/services/product_service.py

@@ -461,6 +461,32 @@ async def get_all_products(
     merged_location_ids = list(set(static_location_ids + dynamic_location_ids))
     merged_name_map = _lookup_display_names(merged_location_ids)
 
+    # 🔧 批量查询每个产品活跃任务的最新记录
+    latest_record_map: dict[uuid.UUID, tuple] = {}
+    if product_ids:
+        from app.models.task import TaskRecord as TR
+        wip_pending_ids = select(Task.id).where(
+            and_(
+                Task.product_id.in_(product_ids),
+                Task.status.in_(["WIP", "PENDING"]),
+            )
+        ).subquery()
+        ranked = (
+            select(TR.task_id, TR.remark, TR.created_at, Task.product_id,
+                   func.row_number().over(
+                       partition_by=Task.product_id,
+                       order_by=TR.created_at.desc()
+                   ).label("rn"))
+            .join(Task, TR.task_id == Task.id)
+            .where(Task.id.in_(select(wip_pending_ids.c.id)))
+        ).subquery()
+        rec_result = await db.execute(
+            select(ranked.c.product_id, ranked.c.created_at, ranked.c.remark)
+            .where(ranked.c.rn == 1)
+        )
+        for row in rec_result:
+            latest_record_map[row[0]] = (row[1], row[2])
+
     return [
         ProductResponse(
             id=p.id,
@@ -474,10 +500,8 @@ async def get_all_products(
             category=p.category,
             material_type=p.material_type,
             parent_product_id=p.parent_product_id,
-            # 🔧 当前位置：动态主干assignee优先 → 静态兜底
             current_location_id=(
-                main_assignees.get(p.id)  # 动态主干
+                main_assignees.get(p.id) or p.current_location_id
-                or p.current_location_id  # 静态兜底
             ),
             current_location_name=(
                 "仓库" if (main_assignees.get(p.id) or p.current_location_id) == "virtual_warehouse"
@@ -489,6 +513,8 @@ async def get_all_products(
             overall_status=overall_names.get(p.id) or p.overall_status,
             status=p.status,
             created_at=p.created_at,
+            latest_record_time=latest_record_map.get(p.id, (None, None))[0],
+            latest_record_content=latest_record_map.get(p.id, (None, None))[1],
         )
         for p in products
     ]

frontend/src/pages/admin/AdminTasksPage.tsx

@@ -5,6 +5,7 @@ import {
   Search, Loader2, Package, ChevronDown, ChevronRight,
   Warehouse, GitBranch, X,
 } from "lucide-react";
+import { Tooltip } from "antd";
 import api from "../../services/api";
 import { scanProduct } from "../../services/productApi";
 import {
@@ -368,14 +369,15 @@ export default function AdminTasksPage() {
                 {isOpen && (
                   <div className="border-t border-gray-100">
                     {/* 表头 */}
-                    <div className="grid grid-cols-12 gap-2 bg-gray-50 px-5 py-2 text-xs font-medium text-gray-500">
+                    <div className="grid grid-cols-[14] gap-2 bg-gray-50 px-5 py-2 text-xs font-medium text-gray-500">
                       <div className="col-span-2">产品身份证</div>
                       <div className="col-span-1">序列号</div>
-                      <div className="col-span-2">规格型号</div>
+                      <div className="col-span-1">规格型号</div>
                       <div className="col-span-1">宏观状态</div>
                       <div className="col-span-1">任务状态</div>
                       <div className="col-span-1">当前位置</div>
-                      <div className="col-span-2">创建时间</div>
+                      <div className="col-span-2">最新动态</div>
+                      <div className="col-span-1">创建时间</div>
                       <div className="col-span-2">操作</div>
                     </div>
 
@@ -391,14 +393,25 @@ export default function AdminTasksPage() {
 
                       return (
                         <div key={p.id}>
-                          <div className="grid grid-cols-12 gap-2 border-t border-gray-50 px-5 py-3 items-center text-sm hover:bg-gray-50/50">
+                          <div className="grid grid-cols-14 gap-2 border-t border-gray-50 px-5 py-3 items-center text-sm hover:bg-gray-50/50">
                             <div className="col-span-2 font-mono text-xs font-semibold text-gray-800 tracking-wider cursor-pointer hover:text-blue-600 underline decoration-dotted" onClick={() => setQrSerial(p.serial_number)} title="点击查看二维码">{p.serial_number}</div>
                             <div className="col-span-1 font-mono text-xs text-gray-600 truncate">{p.external_serial || "—"}</div>
-                            <div className="col-span-2 text-xs text-gray-500 truncate">{p.spec_model || p.material_name || p.material_id || "—"}</div>
+                            <div className="col-span-1 text-xs text-gray-500 truncate">{p.spec_model || p.material_name || p.material_id || "—"}</div>
                             <div className="col-span-1"><span className="text-xs font-medium text-gray-700">{p.overall_status || "—"}</span></div>
                             <div className="col-span-1"><span className={`inline-flex items-center rounded-full px-2 py-0.5 text-[10px] font-medium ${statusCfg.bg} ${statusCfg.text}`}>{statusCfg.label}</span></div>
                             <div className="col-span-1 text-xs text-gray-500 truncate">{p.current_location_id === "virtual_warehouse" ? (<span className="inline-flex items-center gap-1 text-purple-600">🏭 仓库</span>) : (p.current_location_name || p.current_location_id || "—")}</div>
-                            <div className="col-span-2 text-xs text-gray-400">{new Date(p.created_at).toLocaleDateString("zh-CN")}</div>
+                            {/* 最新动态 */}
+                            <div className="col-span-2 text-xs">
+                              {p.latest_record_time ? (
+                                <Tooltip title={p.latest_record_content || ""}>
+                                  <div className="cursor-default">
+                                    <div className="text-[10px] text-gray-400">{new Date(p.latest_record_time).toLocaleString("zh-CN", { month: "2-digit", day: "2-digit", hour: "2-digit", minute: "2-digit" })}</div>
+                                    <div className="mt-0.5 truncate text-[11px] text-gray-600">{p.latest_record_content || "—"}</div>
+                                  </div>
+                                </Tooltip>
+                              ) : <span className="text-gray-300">—</span>}
+                            </div>
+                            <div className="col-span-1 text-xs text-gray-400">{new Date(p.created_at).toLocaleDateString("zh-CN")}</div>
                             <div className="col-span-2">
                               <button
                                 onClick={() => toggleProductTree(p.serial_number)}

frontend/src/types/admin.ts

@@ -18,6 +18,8 @@ export interface ProductResponse {
   overall_status: string | null;
   status: string;
   created_at: string;
+  latest_record_time: string | null;
+  latest_record_content: string | null;
 }
 
 /** MOM 物料选项 */