{
  "title": "Trail Notes | Component",
  "caption": "Notes API · Who owns retry, validation, and duplicate prevention?",
  "c4Level": "C4Component",
  "nodes": [
    {
      "id": "client",
      "label": "Trail Notes client",
      "type": "Container",
      "technology": "TypeScript"
    },
    {
      "id": "handler",
      "label": "Note submission handler",
      "type": "Component",
      "technology": "TypeScript"
    },
    {
      "id": "service",
      "label": "Note service",
      "type": "Component",
      "technology": "TypeScript"
    },
    {
      "id": "validation",
      "label": "Note validation",
      "type": "Component",
      "technology": "TypeScript"
    },
    {
      "id": "repository",
      "label": "Note repository",
      "type": "Component",
      "technology": "In-memory adapter"
    }
  ],
  "relationships": [
    {
      "from": "client",
      "to": "handler",
      "label": "Retries with the same request key",
      "description": "trail-client.ts:18 · trail-client.ts:21 · demo.ts:22"
    },
    {
      "from": "handler",
      "to": "service",
      "label": "Forwards author, key, and draft",
      "description": "submit-note.ts:21 · submit-note.ts:22"
    },
    {
      "from": "service",
      "to": "validation",
      "label": "Validates the draft before saving",
      "description": "note-service.ts:10 · note.ts:4"
    },
    {
      "from": "service",
      "to": "repository",
      "label": "Delegates duplicate prevention",
      "description": "note-service.ts:11 · note-repository.ts:24"
    }
  ]
}