Initial fleet skill

ui/src/lib/api.ts

@@ -0,0 +1,47 @@
+const API_BASE = '/api'
+
+export interface Machine {
+  id: string
+  name: string
+  url: string
+  version: string
+  skills: string[]
+  status: 'running' | 'stopped' | 'unknown'
+  lastSeen: number
+}
+
+export async function fetchMachines(): Promise<Machine[]> {
+  const res = await fetch(`${API_BASE}/machines`)
+  if (!res.ok) throw new Error('Failed to fetch machines')
+  return res.json()
+}
+
+export async function fetchMachine(id: string): Promise<Machine> {
+  const res = await fetch(`${API_BASE}/machines/${id}`)
+  if (!res.ok) throw new Error('Failed to fetch machine')
+  return res.json()
+}
+
+export async function deleteMachine(id: string): Promise<void> {
+  const res = await fetch(`${API_BASE}/machines/${id}`, { method: 'DELETE' })
+  if (!res.ok) throw new Error('Failed to delete machine')
+}
+
+export async function registerMachine(machine: Omit<Machine, 'lastSeen'>): Promise<Machine> {
+  const res = await fetch(`${API_BASE}/machines/register`, {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify(machine),
+  })
+  if (!res.ok) throw new Error('Failed to register machine')
+  return res.json()
+}
+
+// Calculate time since last seen
+export function timeSince(timestamp: number): string {
+  const seconds = Math.floor(Date.now() / 1000 - timestamp)
+  if (seconds < 60) return `${seconds}s ago`
+  if (seconds < 3600) return `${Math.floor(seconds / 60)}m ago`
+  if (seconds < 86400) return `${Math.floor(seconds / 3600)}h ago`
+  return `${Math.floor(seconds / 86400)}d ago`
+}