feat: expand gen2D deck with deep technical slides and interactive elements

- Add 5 new slide pages: eino-deep-dive, ratelimit-overview, ratelimit-lua, async-deep-dive, harness
- Add 4 new drawio SVGs: pipeline-detail, ratelimit, async-task, harness
- Update all existing slides with v-clicks progressive reveal
- Add presenter notes and interactive prompts
- Expand slides.md to register all new pages (16 → 25+ slides)
- Fix text overflow by trimming content per Item block
- Add Eino Graph deep dive: WithGenLocalState, Pre/Post Handler, branch routing
- Add rate limiting section: algorithm comparison, Lua script, Gin middleware
- Add async task deep dive: TaskQueue FIFO, context progress injection
- Add consistency section: style/pipeline/data/deployment 4-layer guarantees

decks/gen2D/pages/deployment.md

@@ -3,13 +3,17 @@
 Docker Compose 双容器 + 一键部署
 
 <div class="flex justify-center">
-  <img src="../public/deployment.svg" class="w-full max-h-[300px] object-contain" />
+  <img src="../public/deployment.svg" class="w-full max-h-[260px] object-contain" />
 </div>
 
+<v-clicks>
+
 <Item title="🐳 容器化方案">
-nginx 容器：Vite 构建产物 + 反向代理 `/api`。app 容器：Go 二进制 + SQLite 挂载。内部网络通信，nginx 暴露 8080 端口。
+nginx 容器：Vite 构建产物 + 反向代理 `/api`。app 容器：Go 二进制 + SQLite 挂载。nginx 暴露 8080 端口。
 </Item>
 
 <Item title="🚀 一键部署">
-`docker compose up -d --build` 或 `./deploy.sh`。Gitee CI/CD 自动触发，SQLite 嵌入式零外部依赖。
+`docker compose up -d --build` 或 `./deploy.sh`。Gitee CI/CD 自动触发，SQLite 零外部依赖。
 </Item>
+
+</v-clicks>