Delete Invoice

    Permanently deletes an accounting invoice and its associated journal entry and related data.

    This endpoint performs a complete deletion of the invoice including:
    - Removal of all invoice line items and associated product data
    - Deletion of the corresponding accounts receivable journal entry
    - Removal of payment records and journal entries

    **Important Notes:**
    - This operation is irreversible and permanently removes the invoice from the system
    - The associated journal entry will be automatically deleted to maintain accounting integrity

    **Restrictions:**
    - Invoices in closed accounting periods cannot be deleted
    - Consider the impact on historical financial reporting