Implement ModifyScalingGroup Action

[jopemachine]

Objective

Implement Modify action with Updater pattern for partial updates.

Implementation Details

• updaters.py: ScalingGroupUpdaterSpec (~80 lines)
  • OptionalState support for partial updates
• actions/modify_scaling_group.py: Modify action definition (~35 lines)
• service.py: Add modify_scaling_group method (~15 lines)
• processors.py: Add modify processor (~5 lines)
• repository.py: Add update method (~25 lines)
• db_source/db_source.py: Add update method (~35 lines)
• GraphQL mutation modification (~25 lines)
• Unit tests:
  • test_modify_scaling_group_service.py (~70 lines)
  • test_modify_scaling_group_repository.py (~70 lines)

Estimated Lines

~360 lines

Dependencies

• Story 4: CreateScalingGroup Action - GraphQL Integration

Acceptance Criteria

• [ ] ScalingGroupUpdaterSpec supports all updateable fields
• [ ] Partial updates work correctly (only specified fields updated)
• [ ] ModifyScalingGroupAction and result classes implemented
• [ ] GraphQL mutation uses new processor pattern
• [ ] Unit tests cover full and partial update scenarios

JIRA Issue: BA-3486