Supply chain (end-to-end)

{
  "nodes": [
    { "id":"rm","type":"rect","label":"Raw materials","x":40,"y":160,"fill":"#e2e8f0","stroke":"#475569" },
    { "id":"mf","type":"rect","label":"Manufacturer","x":220,"y":160,"fill":"#fed7aa","stroke":"#c2410c" },
    { "id":"qc","type":"diamond","label":"QC pass?","x":420,"y":145,"fill":"#fef3c7","stroke":"#a16207" },
    { "id":"dc","type":"rect","label":"Distribution center","x":620,"y":80,"fill":"#dbeafe","stroke":"#2563eb" },
    { "id":"rj","type":"rect","label":"Rework / scrap","x":620,"y":260,"fill":"#fee2e2","stroke":"#b91c1c" },
    { "id":"st","type":"rect","label":"Store","x":820,"y":80,"fill":"#ede9fe","stroke":"#6d28d9" },
    { "id":"cu","type":"ellipse","label":"Customer","x":1020,"y":80,"fill":"#dcfce7","stroke":"#15803d" }
  ],
  "edges": [
    { "id":"a","source":"rm","target":"mf" },
    { "id":"b","source":"mf","target":"qc" },
    { "id":"c","source":"qc","target":"dc","label":"pass" },
    { "id":"d","source":"qc","target":"rj","label":"fail" },
    { "id":"e","source":"dc","target":"st" },
    { "id":"f","source":"st","target":"cu" }
  ]
}