feat: add 'none' check method — node always appears online

backend/app/services/status_checker.py

@@ -1,4 +1,4 @@
-"""Per-node status checks: ping, http, https, tcp, ssh, prometheus, health."""
+"""Per-node status checks: ping, http, https, tcp, ssh, prometheus, health, none."""
 import asyncio
 import logging
 import socket
@@ -15,6 +15,9 @@ async def check_node(check_method: str, target: str | None, ip: str | None) -> d
     Run the appropriate check and return {status, response_time_ms}.
     status is one of: online, offline, unknown.
     """
+    if check_method == "none":
+        return {"status": "online", "response_time_ms": None}
+
     host = target or ip
     if not host:
         return {"status": "unknown", "response_time_ms": None}

frontend/src/components/modals/NodeModal.tsx

@@ -11,7 +11,7 @@ import { ICON_REGISTRY, ICON_CATEGORIES } from '@/utils/nodeIcons'
 
 const NODE_TYPES = Object.entries(NODE_TYPE_LABELS) as [NodeType, string][]
 
-const CHECK_METHODS: CheckMethod[] = ['ping', 'http', 'https', 'tcp', 'ssh', 'prometheus', 'health']
+const CHECK_METHODS: CheckMethod[] = ['none', 'ping', 'http', 'https', 'tcp', 'ssh', 'prometheus', 'health']
 
 const DEFAULT_DATA: Partial<NodeData> = {
   type: 'server',

frontend/src/types/index.ts

@@ -15,7 +15,7 @@ export type EdgeType = 'ethernet' | 'wifi' | 'iot' | 'vlan' | 'virtual'
 
 export type NodeStatus = 'online' | 'offline' | 'pending' | 'unknown'
 
-export type CheckMethod = 'ping' | 'http' | 'https' | 'tcp' | 'ssh' | 'prometheus' | 'health'
+export type CheckMethod = 'ping' | 'http' | 'https' | 'tcp' | 'ssh' | 'prometheus' | 'health' | 'none'
 
 export interface ServiceInfo {
   port: number