Add LLDP collect page with conservative fabric edge lifecycle.

Move scheduled discovery under Network → LLDP links, mark absent edges missing after one successful scan, purge only after four miss cycles, and expose unmatched/raw job detail.

Co-authored-by: Cursor <cursoragent@cursor.com>

web/src/i18n/en.ts

@@ -32,7 +32,7 @@ const en = {
       webcrt: "WebCRT",
       webcrtDesc: "Interactive browser login to connected NEs (SSH/Telnet)",
       topology: "Topology",
-      topologyDesc: "Drag NE topology maps; discover links via LLDP/CDP",
+      topologyDesc: "Fabric topology views; LLDP physical discovery; MCP paged graph query",
       portTrafficWall: "Traffic wall",
       portTrafficWallDesc: "Named traffic boards in dedicated tabs",
       users: "Users",
@@ -48,8 +48,10 @@ const en = {
     nav: {
       detail: "Network details",
       tasks: "Monitoring tasks",
+      topologyMgmt: "Topology management",
       devices: "Device list",
       topology: "Topology",
+      lldpLinks: "LLDP links",
       alarms: "Alarms",
       configs: "Configurations",
       webcrt: "WebCRT",
@@ -225,6 +227,49 @@ const en = {
       vendor: "Vendor",
     },
   },
+  lldpLinks: {
+    title: "LLDP links",
+    collectNow: "Collect now",
+    started: "LLDP collect started",
+    policyTitle: "Collect policy",
+    policySaved: "Policy saved",
+    enabled: "Enable scheduled collect",
+    autoAddUnmatched: "Create SSH placeholder NEs for unmatched neighbors",
+    intervalDays: "Interval (days)",
+    concurrency: "Concurrency",
+    scope: "Scope",
+    scopeAll: "All managed NEs",
+    scopeSelected: "Selected NEs",
+    savePolicy: "Save policy",
+    selectedCount: "{{count}} selected",
+    targetKeywordPh: "Name / IP / vendor",
+    jobsTitle: "Collect jobs",
+    jobDetailTitle: "Job details",
+    kpi: {
+      nodes: "Fabric nodes",
+      edges: "Active links",
+      missing: "Missing",
+      running: "In progress",
+      idle: "Idle",
+      last: "Last job",
+      nextDue: "Next due",
+    },
+    col: {
+      source: "Source",
+      name: "Device",
+      vendor: "Vendor",
+      trigger: "Trigger",
+      scope: "Scope",
+      status: "Status",
+      progress: "Progress",
+      edges: "Edges",
+      missingDelta: "Missing/purged",
+      started: "Started",
+      ended: "Ended",
+      neighbors: "Neighbors",
+      error: "Error",
+    },
+  },
   configSync: {
     title: "Config sync",
     syncNow: "Sync now",
@@ -924,7 +969,6 @@ const en = {
     },
     newSession: {
       title: "New Session",
-      hint: "Enter host and protocol. SSH prompts for username/password (editable on retry); Telnet logs in interactively. Duplicate names become (1), (2)…; same IP is allowed.",
       connect: "Connect",
       connecting: "Connecting…",
       protocol: "Protocol",
@@ -1154,7 +1198,7 @@ const en = {
     sourcePort: "Local port",
     targetPort: "Remote port",
     canvasHint:
-      "Use toolbar modes (select/pan/drag/connect), box-select, and layout. Blue dashed=discovered, red=missing. Shortcuts V/H/A/C, Ctrl+Z undo.",
+      "Add NEs from the palette, drag then save positions; LLDP discovery writes the global fabric. Blue dashed=discovered, red=stale.",
     selected: "Selected",
     selectedEdge: "Selected edge",
     selectedCount: "{{count}} selected",

web/src/i18n/zh.ts

@@ -32,7 +32,7 @@ const zh = {
       webcrt: "WebCRT",
       webcrtDesc: "浏览器内交互登录已连通网元（SSH/Telnet）",
       topology: "拓扑管理",
-      topologyDesc: "拖拽编排网元拓扑，支持 LLDP/CDP 发现链路",
+      topologyDesc: "Fabric 拓扑视图；LLDP 发现物理链路，MCP 可分页拉图",
       portTrafficWall: "流量大屏",
       portTrafficWallDesc: "独立页签打开命名流量大屏",
       users: "用户管理",
@@ -48,8 +48,10 @@ const zh = {
     nav: {
       detail: "网络详情",
       tasks: "监控任务",
+      topologyMgmt: "拓扑管理",
       devices: "设备列表",
       topology: "拓扑信息",
+      lldpLinks: "LLDP 链路",
       alarms: "告警信息",
       configs: "配置信息",
       webcrt: "WebCRT",
@@ -225,6 +227,49 @@ const zh = {
       vendor: "厂商",
     },
   },
+  lldpLinks: {
+    title: "LLDP 链路",
+    collectNow: "立即采集",
+    started: "已启动 LLDP 采集",
+    policyTitle: "采集策略",
+    policySaved: "策略已保存",
+    enabled: "启用周期调度",
+    autoAddUnmatched: "未纳管邻居建 SSH 占位网元",
+    intervalDays: "周期（天）",
+    concurrency: "并发",
+    scope: "范围",
+    scopeAll: "全部纳管网元",
+    scopeSelected: "指定网元",
+    savePolicy: "保存策略",
+    selectedCount: "已选 {{count}} 台",
+    targetKeywordPh: "名称 / IP / 厂商",
+    jobsTitle: "采集任务",
+    jobDetailTitle: "任务明细",
+    kpi: {
+      nodes: "Fabric 网元",
+      edges: "活跃链路",
+      missing: "未发现",
+      running: "进行中",
+      idle: "空闲",
+      last: "最近任务",
+      nextDue: "下次调度",
+    },
+    col: {
+      source: "来源",
+      name: "设备",
+      vendor: "厂商",
+      trigger: "触发",
+      scope: "范围",
+      status: "状态",
+      progress: "进度",
+      edges: "链路",
+      missingDelta: "未发现/清理",
+      started: "开始",
+      ended: "结束",
+      neighbors: "邻居",
+      error: "错误",
+    },
+  },
   configSync: {
     title: "配置同步",
     syncNow: "立即全量同步",
@@ -921,7 +966,6 @@ const zh = {
     },
     newSession: {
       title: "新建会话",
-      hint: "填写主机与协议后连接。SSH 弹出用户名/密码（可改）；Telnet 进终端交互登录。同名会话自动加 (1)、(2)…，允许相同 IP。",
       connect: "连接",
       connecting: "连接中…",
       protocol: "协议",
@@ -1151,7 +1195,7 @@ const zh = {
     sourcePort: "本端端口",
     targetPort: "对端端口",
     canvasHint:
-      "工具栏切换选择/平移/拖动/连线；框选多选；布局可自动构图。蓝虚线=发现链路，红虚线=未发现。快捷键 V/H/A/C，Ctrl+Z 撤销。",
+      "从网元库上图，拖拽后保存坐标；LLDP 发现写入全局 Fabric。蓝虚线=发现链路，红虚线=stale。",
     selected: "已选节点",
     selectedEdge: "已选链路",
     selectedCount: "已选 {{count}}",