feat: 补全剩余 6 个 StreamField Block 前端渲染 (ProductCard/Pricing/Timeline/Team/TechStack/Video)

- types/wagtail.ts 新增对应 6 个 Block 值类型接口及 StreamFieldBlock 联合类型分支
- 新建 6 个渲染组件：ProductCardGrid/Pricing/Timeline/Team/TechStack/Video，风格与既有 Block 一致
- BlockRenderer.tsx 映射表接入新组件，key 与后端 COMMON_BLOCKS 保持一致
- lint/build 均验证通过

blocks/BlockRenderer.tsx

@@ -7,13 +7,19 @@ import CTA from "./cta/CTA";
 import LogoCloud from "./logo-cloud/LogoCloud";
 import CaseStudyCard from "./case-study/CaseStudyCard";
 import LeadForm from "./form/LeadForm";
+import ProductCardGrid from "./product-card/ProductCardGrid";
+import Pricing from "./pricing/Pricing";
+import Timeline from "./timeline/Timeline";
+import Team from "./team/Team";
+import TechStack from "./tech-stack/TechStack";
+import Video from "./video/Video";
 import type { StreamFieldBlock } from "@/types/wagtail";
 
 /**
  * StreamField 类型 → 组件映射表。
  * 必须与后端 apps/core/blocks.py 的 COMMON_BLOCKS 保持一致，
  * 否则新增/重命名 Block 时前后端会出现字段不对齐问题
- * （详见 documents/设计方案分析与完善版.md §2.6）。
+ * (详见 documents/设计方案分析与完善版.md §2.6)。
  */
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 const components: Record<string, ComponentType<{ value: any }>> = {
@@ -25,6 +31,12 @@ const components: Record<string, ComponentType<{ value: any }>> = {
   logo_cloud: LogoCloud,
   case_study: CaseStudyCard,
   form: LeadForm,
+  product_card: ProductCardGrid,
+  pricing: Pricing,
+  timeline: Timeline,
+  team: Team,
+  tech_stack: TechStack,
+  video: Video,
 };
 
 export function BlockRenderer({ blocks }: { blocks: StreamFieldBlock[] }) {