feat(account-users): align inviter id

internal/model/account_user.go

@@ -24,7 +24,7 @@ type AccountUser struct {
 	Availability          string         `gorm:"size:50;default:'offline'" json:"availability"`   // online/offline/busy
 	AutoOffline           bool           `gorm:"default:true" json:"auto_offline"`                // auto-offline when idle
 	ActiveAt              *time.Time     `json:"active_at,omitempty"`                             // last active timestamp in this account
-	InvitedBy             uint           `gorm:"default:0" json:"invited_by"`                     // UserID of the user who invited this member
+	InvitedBy             uint           `gorm:"column:inviter_id;default:0" json:"inviter_id"`   // Chatwoot: inviter_id of the user who invited this member
 	CreatedAt             time.Time      `gorm:"autoCreateTime" json:"created_at"`
 	UpdatedAt             time.Time      `gorm:"autoUpdateTime" json:"updated_at"`
 	DeletedAt             gorm.DeletedAt `gorm:"index" json:"deleted_at,omitempty"`

internal/model/constraints_test.go

@@ -126,6 +126,7 @@ func TestAccountUserDefaultValues(t *testing.T) {
 	assert.Equal(t, "agent", fetched.Role, "Role should default to 'agent'")
 	assert.Equal(t, "offline", fetched.Availability, "Availability should default to 'offline'")
 	assert.Equal(t, uint(0), fetched.InvitedBy, "InvitedBy should default to 0")
+	assert.True(t, db.Migrator().HasColumn(&model.AccountUser{}, "inviter_id"), "AccountUser should use Chatwoot inviter_id column")
 }
 
 // TestCustomRoleDefaultValues verifies CustomRole model default field values.