Summary: New brokerage product type

Accounts

New Product Type

• Added new brokerage product type to the products API
• Added CreateBrokerageProductRequest schema for creating brokerage accounts
• Added BrokerageProductResponse schema for brokerage account responses
• Key difference: Retirement products have a nullable securities_account (string), while brokerage products have a required securities_accounts array (empty array is a possibility)

Examples

• Added brokerage examples to all product endpoints:
  • POST /accounts/{cusa}/products
  • GET /accounts/{cusa}/products
  • GET /accounts/{cusa}/products/{id}