web: unify Agent management and add a draggable link board

Replace Probe pages with directed Agent links, shared deployment controls and unified display data. Add node dragging, canvas pan and zoom, saved layouts, and per-direction link controls.

web/shared/nodes.tsx

@@ -9,7 +9,7 @@ import telecomIcon from './assets/isp/telecom.svg?url'
 import unicomIcon from './assets/isp/unicom.svg?url'
 
 /**
- * 节点（Agent、Probe）的展示信息：国旗、运营商、系统和架构。
+ * 节点（Agent）的展示信息：国旗、运营商、系统和架构。
  * 后端只给国家代码、运营商名、系统名和架构——没有 IP，所以这里也画不出 IP。
  */
 
@@ -107,7 +107,7 @@ export function NodeTag({ info, geoOnly }: TagProps) {
 const RUNTIME_STATUS: Record<NodeRuntimeStatus, { label: string; tone: 'ok' | 'warn' | 'bad' | 'accent' | '' }> = {
   initializing: { label: '初始化中', tone: 'warn' },
   running: { label: '运行中', tone: 'ok' },
-  probe_paused: { label: '暂停探测', tone: 'warn' },
+  idle: { label: '空闲', tone: 'warn' },
   maintenance: { label: '维护中', tone: 'warn' },
   stopping: { label: '停止中', tone: 'warn' },
   offline: { label: '失联', tone: 'bad' },