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/server/src/modules/requirement/requirement.controller.ts

@@ -0,0 +1,60 @@
+import { Controller, Get, Post, Patch, Delete, Param, Body, Query } from '@nestjs/common';
+import { RequirementService } from './requirement.service';
+import { CreateRequirementDto } from './dto/create-requirement.dto';
+import { UpdateRequirementDto } from './dto/update-requirement.dto';
+import { UpdateRequirementStatusDto } from './dto/update-requirement-status.dto';
+
+@Controller('products/:productId/requirements')
+export class RequirementController {
+  constructor(private readonly requirementService: RequirementService) {}
+
+  @Post()
+  create(
+    @Param('productId') productId: string,
+    @Body() dto: CreateRequirementDto,
+  ) {
+    return this.requirementService.create(productId, dto);
+  }
+
+  @Get()
+  findAll(
+    @Param('productId') productId: string,
+    @Query('status') status?: string,
+  ) {
+    return this.requirementService.findAll(productId, status);
+  }
+
+  @Get(':id')
+  findOne(
+    @Param('productId') productId: string,
+    @Param('id') id: string,
+  ) {
+    return this.requirementService.findOne(productId, id);
+  }
+
+  @Patch(':id')
+  update(
+    @Param('productId') productId: string,
+    @Param('id') id: string,
+    @Body() dto: UpdateRequirementDto,
+  ) {
+    return this.requirementService.update(productId, id, dto);
+  }
+
+  @Patch(':id/status')
+  updateStatus(
+    @Param('productId') productId: string,
+    @Param('id') id: string,
+    @Body() dto: UpdateRequirementStatusDto,
+  ) {
+    return this.requirementService.updateStatus(productId, id, dto.status);
+  }
+
+  @Delete(':id')
+  remove(
+    @Param('productId') productId: string,
+    @Param('id') id: string,
+  ) {
+    return this.requirementService.remove(productId, id);
+  }
+}