List all archived trading accounts with pagination, search, and filtering.

CRM Token users see only archived accounts belonging to their company's groups.
API Key users see all archived accounts.

Query Parameters:

• page: Page number (default 1)
• per_page: Items per page, max 100 (default 20)
• search: Search by account number or name
• order_by: Sort order as JSON string, e.g. {"created_at": "desc"}
• filter_by: Filter criteria as JSON string