feat(product): 实现产品需求管理模块（后端 + 前端）

后端：Product Module（CRUD）、Requirement Module（CRUD + 状态机流转）、PrismaService
前端：产品列表页、产品详情页（含需求池 Tab）、Zustand Store、API 封装

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

apps/web/components/product/RequirementTable.tsx

@@ -0,0 +1,101 @@
+'use client';
+
+import { RequirementStatus } from '@ftb/shared';
+import { RequirementStatusBadge } from './RequirementStatusBadge';
+import { PRIORITY_LABEL, REQUIREMENT_STATUS_LABEL } from '@/lib/constants';
+
+interface RequirementItem {
+  id: string;
+  title: string;
+  description: string;
+  status: RequirementStatus;
+  priority: number;
+  creator?: { id: string; name: string };
+  createdAt: string;
+}
+
+interface Props {
+  requirements: RequirementItem[];
+  statusFilter: RequirementStatus | null;
+  onFilterChange: (status: RequirementStatus | null) => void;
+  onEdit: (req: RequirementItem) => void;
+  onStatusChange: (id: string, status: RequirementStatus) => void;
+  onDelete: (id: string) => void;
+  onCreate: () => void;
+}
+
+const ALL_STATUSES = Object.values(RequirementStatus);
+
+export function RequirementTable({
+  requirements,
+  statusFilter,
+  onFilterChange,
+  onEdit,
+  onStatusChange,
+  onDelete,
+  onCreate,
+}: Props) {
+  return (
+    <div>
+      <div className="mb-4 flex items-center justify-between">
+        <div className="flex gap-2">
+          <button
+            onClick={() => onFilterChange(null)}
+            className={`rounded-full px-3 py-1 text-xs ${!statusFilter ? 'bg-blue-600 text-white' : 'bg-gray-100 text-gray-600 hover:bg-gray-200'}`}
+          >
+            全部
+          </button>
+          {ALL_STATUSES.map((s) => (
+            <button
+              key={s}
+              onClick={() => onFilterChange(s)}
+              className={`rounded-full px-3 py-1 text-xs ${statusFilter === s ? 'bg-blue-600 text-white' : 'bg-gray-100 text-gray-600 hover:bg-gray-200'}`}
+            >
+              {REQUIREMENT_STATUS_LABEL[s]}
+            </button>
+          ))}
+        </div>
+        <button
+          onClick={onCreate}
+          className="rounded-md bg-blue-600 px-4 py-2 text-sm text-white hover:bg-blue-700"
+        >
+          新建需求
+        </button>
+      </div>
+
+      {requirements.length === 0 ? (
+        <div className="py-12 text-center text-gray-400">暂无需求</div>
+      ) : (
+        <table className="w-full text-left text-sm">
+          <thead className="border-b text-xs text-gray-500">
+            <tr>
+              <th className="pb-3 font-medium">标题</th>
+              <th className="pb-3 font-medium">状态</th>
+              <th className="pb-3 font-medium">优先级</th>
+              <th className="pb-3 font-medium">创建者</th>
+              <th className="pb-3 font-medium">操作</th>
+            </tr>
+          </thead>
+          <tbody className="divide-y">
+            {requirements.map((req) => (
+              <tr key={req.id} className="hover:bg-gray-50">
+                <td className="py-3 font-medium text-gray-900">{req.title}</td>
+                <td className="py-3">
+                  <RequirementStatusBadge status={req.status} />
+                </td>
+                <td className="py-3 text-gray-600">{PRIORITY_LABEL[req.priority] || '无'}</td>
+                <td className="py-3 text-gray-600">{req.creator?.name || '-'}</td>
+                <td className="py-3">
+                  <div className="flex gap-2">
+                    <button onClick={() => onEdit(req)} className="text-blue-600 hover:underline">编辑</button>
+                    <button onClick={() => onDelete(req.id)} className="text-red-500 hover:underline">删除</button>
+                  </div>
+                </td>
+              </tr>
+            ))}
+          </tbody>
+        </table>
+      )}
+    </div>
+  );
+}