平台通用能力总览

const response = await ctx.apiCall('/orders')
const eventSubscription = await ctx.events.on('cockpit.live.lifecycle', handler)
const wsSubscription = await ctx.ws.onBizCode('order_changed', handler)
await ctx.storage.local.set('key', { value: 1 })
await ctx.blobs.put('preview', blob)

const map = await ctx.capabilities.get('platform:map')
if (!map) {
  ctx.logger.warn('platform:map 在当前宿主或授权下不可用')
  return
}