Harvest create invoice

{
  "type": "object",
  "properties": {
    "account_id": {
      "type": "string",
      "description": "Harvest Account ID (get it from harvest__list_accounts)"
    },
    "client_id": {
      "type": "number",
      "description": "Client ID to invoice"
    },
    "subject": {
      "type": "string",
      "description": "Invoice subject line"
    },
    "notes": {
      "type": "string",
      "description": "Invoice notes visible to client"
    },
    "issue_date": {
      "type": "string",
      "description": "Issue date (YYYY-MM-DD, defaults to today)"
    },
    "due_date": {
      "type": "string",
      "description": "Due date (YYYY-MM-DD)"
    },
    "currency": {
      "type": "string",
      "description": "Invoice currency code (e.g. USD, EUR). Defaults to account currency."
    },
    "line_items_import": {
      "type": "object",
      "description": "Import time entries/expenses into line items: { project_ids: number[], time: { summary_type, from, to }, expenses: { summary_type, from, to, attach_receipt } }"
    },
    "line_items": {
      "type": "array",
      "description": "Manual line items array: [{ kind, description, unit_price, quantity, taxed, taxed2 }]"
    }
  },
  "required": [
    "account_id",
    "client_id"
  ],
  "description": "Input schema for the harvest__create_invoice tool."
}