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>

docker/nginx.conf.template

@@ -7,11 +7,18 @@ server {
 
   client_max_body_size 200m;
 
-  location / {
-    try_files $uri $uri/ /index.html;
+  location ^~ /modelTF/ {
+    proxy_pass ${BACKEND_PROXY_PASS};
+    proxy_http_version 1.1;
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $scheme;
+    proxy_read_timeout 300s;
+    proxy_send_timeout 300s;
   }
 
-  location /modelTF {
+  location = /modelTF {
     proxy_pass ${BACKEND_PROXY_PASS};
     proxy_http_version 1.1;
     proxy_set_header Host $host;
@@ -27,4 +34,8 @@ server {
     expires 30d;
     add_header Cache-Control "public, immutable";
   }
+
+  location / {
+    try_files $uri $uri/ /index.html;
+  }
 }