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/src/api/modules/compute.ts

@@ -16,7 +16,16 @@ export interface ComputeNode {
   data_root: string
   model_root: string
   log_root: string
+  api_version?: string
+  capabilities?: string[]
+  description?: string
   last_health_check_at?: string
+  health_detail?: Record<string, unknown>
+}
+
+export type ComputeNodePayload = Partial<ComputeNode> & {
+  code?: string
+  api_base_url?: string
 }
 
 export interface ComputeGpu {
@@ -66,11 +75,14 @@ export interface ResourceReplica {
 
 export const getComputeNodes = () => get<ComputeNode[]>('/compute/nodes')
 
+export const createComputeNode = (data: ComputeNodePayload) =>
+  post<ComputeNode>('/compute/nodes', data)
+
 export const updateComputeNode = (id: string, data: Partial<ComputeNode>) =>
   put<ComputeNode>(`/compute/nodes/${id}`, data)
 
 export const testComputeNode = (id: string) =>
-  post<{ node_id: string; success: boolean; latency_ms: number }>(`/compute/nodes/${id}/test-connection`)
+  post<{ node_id: string; success: boolean; latency_ms: number; gpu_count: number; error?: string }>(`/compute/nodes/${id}/test-connection`)
 
 export const enableComputeNode = (id: string) => post<ComputeNode>(`/compute/nodes/${id}/enable`)