Pricing tiers (chevron arrows)

{
  "nodes": [
    { "id":"f","type":"chevron","label":"Free\n$0","x":40,"y":120,"fill":"#e2e8f0","stroke":"#475569" },
    { "id":"p","type":"chevron","label":"Pro\n$12 / mo","x":240,"y":120,"fill":"#dbeafe","stroke":"#2563eb" },
    { "id":"t","type":"chevron","label":"Team\n$24 / seat","x":440,"y":120,"fill":"#ede9fe","stroke":"#6d28d9" },
    { "id":"e","type":"chevron","label":"Enterprise\nCustom","x":640,"y":120,"fill":"#fed7aa","stroke":"#c2410c" },
    { "id":"b1","type":"note","label":"3 figures · BYO key","x":40,"y":280,"fill":"#fef9c3" },
    { "id":"b2","type":"note","label":"Unlimited · Cloud AI","x":240,"y":280,"fill":"#fef9c3" },
    { "id":"b3","type":"note","label":"+ Collaboration","x":440,"y":280,"fill":"#fef9c3" },
    { "id":"b4","type":"note","label":"+ SSO · audit · DPA","x":640,"y":280,"fill":"#fef9c3" }
  ],
  "edges": [
    { "id":"e1","source":"f","target":"b1" },
    { "id":"e2","source":"p","target":"b2" },
    { "id":"e3","source":"t","target":"b3" },
    { "id":"e4","source":"e","target":"b4" }
  ]
}