Agent -> Role Staffへの移行, 対応するテーブルとWriterの作成

[Shion1305]

Property	Value
Corresponding Issue	#67
Assignee	@Shion1305

PRで実装される機能

• Agent, Adminの実装廃止 1af7c8e 55da096
• Role, Staff, RelationRoleStaffの作成 d00d73b 331e3c8
• 既存のRelationをRelationOrgUserに命名変更 107b556
• StaffのReader 86afc8a
• StaffのWriter 1463d98
• RelationRoleStaffのWriter d00103c

PRで修正される機能

• RelationOrgUserで、同一の関連付けが複数存在する場合において、 Delete で一つのみしか削除されないバグの解消

• 対応するテストケースの作成
  329d483

• Staff テーブルの作成に伴い、 TypeMember を廃止。 86948cf

レビューをお願いしたいポイント

変更内容による実装の変更内容を一通り把握お願いします～

[codecov]

Codecov Report

Attention: Patch coverage is 75.55556% with 22 lines in your changes are missing coverage. Please review.

Project coverage is 48.66%. Comparing base (ff403f5) to head (46d459b).

Files	Patch %	Lines
svc/pkg/infra/reader/staff.go	69.23%	8 Missing ⚠️
svc/pkg/infra/writer/r_role_staff.go	78.94%	8 Missing ⚠️
svc/pkg/infra/reader/r_org_user.go	0.00%	4 Missing ⚠️
svc/pkg/infra/writer/staff.go	83.33%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #68      +/-   ##
==========================================
+ Coverage   40.00%   48.66%   +8.66%     
==========================================
  Files          20       23       +3     
  Lines         970      976       +6     
==========================================
+ Hits          388      475      +87     
+ Misses        582      501      -81     

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[tomoyahiroe]

LGTM！！