- P0-1: Move all hooks (useState, useCallback, useMemo) before early return to fix Rules of Hooks violation
- P0-3: Replace 7 inline isPickupOrder checks with single computed variable
- P1: Extract getErrorMessage, normalizeNom to shared utils/deliveryUtils.js
- P1: Replace duplicate STATUS_LABELS with DELIVERY_GROUP_STATUS_LABELS import
- P1: Add requires_address to DELIVERY_GROUP_STATUS_LABELS
- Remove duplicate getErrorMessage from useOrderGroups.js and OrderDetailPanel.jsx
- Remove duplicate normalizeNom from OrderDetailPanel.jsx and orderGroupRepository.js
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