Confirms an existing shipment using its order number (PRO number).
Moves the shipment from INITIALIZED to CONFIRMED state.

Prerequisites:

• The order must be in INITIALIZED state
• The order must have an associated quote

Validation Requirements:

The following fields are validated during confirmation. If any are missing or invalid,
the shipment will remain in INITIALIZED state.

Address Fields (required on BOTH pickup and delivery addresses):

• name - Location/company name
• address1 - Street address
• zipCode - ZIP code
• contactPerson - Contact name
• phoneNumber - Contact phone (E.164 format, e.g., "+15551234567")
• openTime - Opening time in HH:mm format (defaults to "10:00")
• closeTime - Closing time in HH:mm format (defaults to "16:00")

Order Fields:

• description - Must not be empty
• totalPalletCount - Must be between 1 and 51
• totalPoundsWeight - Must be between 1 and 2,500 lbs per pallet

Order Component Fields (per component):

• palletCount - Must be at least 1
• poundsWeight - Must be between 1 and 2,500 lbs per pallet
• palletDimensions - Must be valid dimensions within limits (subject to change, these are configurable):
  • Standard: max 60x52x94 inches (LxWxH) - pallets exceeding these are charged as oversized
  • Oversized maximum: 95x95x96 inches - no pallet can exceed this
  • With liftgate: max 62x62x94 inches

Component Totals:

• Sum of component palletCount must equal order totalPalletCount
• Sum of component poundsWeight must equal order totalPoundsWeight