{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$defs": {
    "Expense": {
      "type": "object",
      "properties": {
        "description": { "type": "string", "maxLength": 120 },
        "amount": { "type": "number" },
        "paidBy": { "type": "string" },
        "splitBetween": { "type": "array", "items": { "type": "string" } },
        "category": {
          "type": "string",
          "enum": ["groceries", "rent", "utilities", "baby", "dining", "other"]
        },
        "date": { "type": "string" }
      },
      "required": ["description", "amount", "paidBy", "splitBetween", "category", "date"]
    },
    "Settlement": {
      "type": "object",
      "properties": {
        "from": { "type": "string" },
        "to": { "type": "string" },
        "amount": { "type": "number" },
        "note": { "type": "string" },
        "settledOn": { "type": "string" }
      },
      "required": ["from", "to", "amount", "settledOn"]
    }
  },
  "x-homespun-manifest": {
    "app": {
      "name": "Household Ledger",
      "description": "A shared expense log that always knows who owes whom.",
      "icon": "\ud83e\uddfe"
    },
    "collections": {
      "expenses": {
        "schema": { "$ref": "#/$defs/Expense" },
        "write": ["agent", "owner", "member"],
        "delete": ["agent", "owner", "member"],
        "appendOnly": false
      },
      "settlements": {
        "schema": { "$ref": "#/$defs/Settlement" },
        "write": ["agent", "owner", "member"],
        "delete": ["owner"],
        "appendOnly": true
      }
    }
  }
}