feat(req-prd): add HTML prototype delivery loop

.claude-plugin/marketplace.json

@@ -482,8 +482,8 @@
     {
       "name": "req-prd-plugin",
       "source": "./skills-req/req-prd-plugin",
-      "description": "产品需求设计技能。PRD 文档编写、需求分析、用户故事、对比式分析。纯产品视角，不含技术实现。",
-      "version": "2.0.0",
+      "description": "产品需求设计技能。覆盖问答访谈、PRD、缺陷收敛及 HTML 原型验证闭环。纯产品视角，不含技术实现。",
+      "version": "2.1.0",
       "category": "productivity",
       "keywords": [
         "project-management",
@@ -495,8 +495,8 @@
     {
       "name": "req-prototype-plugin",
       "source": "./skills-req/req-prototype-plugin",
-      "description": "原型生成与关联。支持 HTML 上传（/req prototype upload，iframe 嵌入详情页）和 Stitch AI 生成两种模式。",
-      "version": "2.0.0",
+      "description": "原型生成与关联。支持 HTML 正式交付、Requirement 关联、iframe 验证闭环及 Stitch AI 视觉探索。",
+      "version": "2.1.0",
       "category": "productivity",
       "keywords": [
         "project-management",