- Implemented `getPartnerBusinessActivityAllocationLimits` to retrieve allocation limits for a partner's business activity.
- Added `ensurePartnerBusinessActivityHasRemainingAllocation` to validate remaining allocation credits.
- Created `getPartnerRemainingLicenses` to count remaining licenses for a partner.
- Developed `getPartnerFirstRemainingLicense` to fetch the first unused license for a partner.
- Introduced `ensurePartnerHasRemainingLicense` to ensure a partner has at least one unused license.
- Updated PartnerAccountQuotaAllocation model to change license relation.
- Refactored Pos model to replace 'serial' with 'serial_number' across all references.
- Modified BusinessActivitiesService to include license activation details in responses.
- Adjusted ComplexPosesService to reflect changes in the Pos model.
- Updated PartnerService to include a new method for updating partner profiles.
- Created UpdatePartnerProfileDto for partner profile updates.
- Added migration to drop 'serial' column and add unique 'serial_number' column in poses table.
ahasani