ADM-OPERATION-250 - Add variants to an Operation

Adds one or more variants to a specific Operation with optional quantity constraints.

Feature flag

• Requires OPERATIONS to be active.
  
  

Access control

• OPERATOR: can add variants to any Operation.
  
• ACCOUNT: can add variants only to Operations they own (ownerId = customerUserId) and if they have the OPERATIONS_ADD_VARIANTS right.
  
  

Store scoping

• Effective store is the dj-store header if provided, otherwise the tenant default store.
  
• ACCOUNT must be attached to the effective store; otherwise 403.
  
  

Quantity rules

• minQuantity is optional and can be 0.
  
• maxQuantity is optional. If provided, it must be greater than or equal to minQuantity.
  
• recommendedQuantity is optional. If provided, it must be between minQuantity and maxQuantity (if maxQuantity is defined).
  
  

Other constraints

• A variant cannot be added more than once to the same Operation.
  
• Only Operations in DRAFT status can accept new variants.