feat: 新增 compute_gateway、compute_poller、agent 模块，重构前端 dist

- 新增 backend/app/modules/compute_gateway（client/sync）计算网关模块
- 新增 backend/app/workers/compute_poller 计算轮询 worker
- 新增 compute/agent/process_manager 进程管理器
- 新增 scripts/ 脚本目录
- 更新 Docker 部署配置（app/compute/nginx）
- 更新后端平台 API、数据库 SQL、core 配置
- 更新前端多个视图组件及 API 模块
- 重构 frontend/dist 构建产物（新 hash）
- 更新多项文档

Co-Authored-By: Claude <noreply@anthropic.com>

frontend/dist/assets/log-Cy7JR5af.js

@@ -0,0 +1 @@
+import{aF as n}from"./index-Ds9AETjS.js";const g=t=>n("/log-files",{date:t}),e=t=>n("/log-content",{file:t}),i=()=>n("/training-log-files"),s=t=>n("/training-log-content",{file:t});export{e as a,s as b,i as c,g};