diff --git a/internal/app/participation.go b/internal/app/participation.go
index 9994a7c..4ce150f 100644
--- a/internal/app/participation.go
+++ b/internal/app/participation.go
@@ -3,14 +3,14 @@ package app
 import (
 	"context"
 	"errors"
-	"evening_detective_server/internal/repos/teams_repo"
+	"evening_detective_server/internal/services/participation_service"
 	"evening_detective_server/proto"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/protobuf/types/known/timestamppb"
 )
 
-func mapParticipationResponse(p *teams_repo.Participation) *proto.ParticipationRsp {
+func mapParticipationResponse(p *participation_service.Participation) *proto.ParticipationRsp {
 	result := &proto.ParticipationRsp{}
 	if p != nil {
 		result.TeamName = p.TeamName
@@ -24,7 +24,7 @@ func mapParticipationResponse(p *teams_repo.Participation) *proto.ParticipationR
 }
 
 func participationError(err error) string {
-	if errors.Is(err, teams_repo.ErrParticipationLink) || errors.Is(err, teams_repo.ErrParticipationFinal) || errors.Is(err, teams_repo.ErrParticipationClosed) {
+	if errors.Is(err, participation_service.ErrParticipationLink) || errors.Is(err, participation_service.ErrParticipationFinal) || errors.Is(err, participation_service.ErrParticipationClosed) {
 		return err.Error()
 	}
 	return "Не удалось обработать ответ. Попробуйте позже."
diff --git a/internal/services/participation_service/mapper.go b/internal/services/participation_service/mapper.go
new file mode 100644
index 0000000..536e377
--- /dev/null
+++ b/internal/services/participation_service/mapper.go
@@ -0,0 +1,20 @@
+package participation_service
+
+import "evening_detective_server/internal/repos/teams_repo"
+
+func mapParticipation(p *teams_repo.Participation) *Participation {
+	if p == nil {
+		return nil
+	}
+	return &Participation{
+		TeamID:            p.TeamID,
+		TeamName:          p.TeamName,
+		GameName:          p.GameName,
+		StartAt:           p.StartAt,
+		ParticipantsCount: p.ParticipantsCount,
+		Status:            p.Status,
+		Closed:            p.Closed,
+		Email:             p.Email,
+		Attempts:          p.Attempts,
+	}
+}
diff --git a/internal/services/participation_service/participation.go b/internal/services/participation_service/participation.go
new file mode 100644
index 0000000..42886e5
--- /dev/null
+++ b/internal/services/participation_service/participation.go
@@ -0,0 +1,26 @@
+package participation_service
+
+import (
+	"time"
+
+	"evening_detective_server/internal/repos/teams_repo"
+)
+
+// Participation — данные участия, доступные транспортному и email-сценариям.
+type Participation struct {
+	TeamID            int
+	TeamName          string
+	GameName          string
+	StartAt           time.Time
+	ParticipantsCount int32
+	Status            string
+	Closed            bool
+	Email             string
+	Attempts          int
+}
+
+var (
+	ErrParticipationLink   = teams_repo.ErrParticipationLink
+	ErrParticipationClosed = teams_repo.ErrParticipationClosed
+	ErrParticipationFinal  = teams_repo.ErrParticipationFinal
+)
diff --git a/internal/services/participation_service/participation_test.go b/internal/services/participation_service/participation_test.go
index 2445b24..8016579 100644
--- a/internal/services/participation_service/participation_test.go
+++ b/internal/services/participation_service/participation_test.go
@@ -33,7 +33,7 @@ func TestParticipationEmail(t *testing.T) {
 	if len(token) != 64 || token != participationToken("test-secret", 42) || token == participationToken("test-secret", 43) || token == participationToken("other", 42) {
 		t.Fatal("token isolation or retry stability broken")
 	}
-	p := &teams_repo.Participation{TeamName: "<script>team</script>", GameName: "Game", Email: "captain@example.org", StartAt: time.Date(2026, 9, 20, 12, 0, 0, 0, time.UTC), ParticipantsCount: 5}
+	p := &Participation{TeamName: "<script>team</script>", GameName: "Game", Email: "captain@example.org", StartAt: time.Date(2026, 9, 20, 12, 0, 0, 0, time.UTC), ParticipantsCount: 5}
 	m := participationEmail(p, "https://example.org", token, time.FixedZone("+07", 7*3600))
 	if strings.Contains(m.HTML, "<script>") || !strings.Contains(m.HTML, "&lt;script&gt;") || !strings.Contains(m.Body, "19:00") || !strings.Contains(m.Body, "#token="+token) || !strings.Contains(m.HTML, "answer=cancelled") {
 		t.Fatalf("invalid email: %+v", m)
@@ -174,10 +174,10 @@ func TestParticipationPostgres(t *testing.T) {
 		t.Fatal("email retry exceeded the eight-attempt limit")
 	}
 	token := participationToken("secret", 1)
-	if _, err := service.GetParticipation(ctx, "bad"); !errors.Is(err, teams_repo.ErrParticipationLink) {
+	if _, err := service.GetParticipation(ctx, "bad"); !errors.Is(err, ErrParticipationLink) {
 		t.Fatalf("invalid token: %v", err)
 	}
-	if _, err := service.GetParticipation(ctx, strings.Repeat("0", 64)); !errors.Is(err, teams_repo.ErrParticipationLink) {
+	if _, err := service.GetParticipation(ctx, strings.Repeat("0", 64)); !errors.Is(err, ErrParticipationLink) {
 		t.Fatalf("unknown token: %v", err)
 	}
 	if _, err := service.GetParticipation(ctx, token); err != nil {
@@ -193,7 +193,7 @@ func TestParticipationPostgres(t *testing.T) {
 		err := <-answers
 		if err == nil {
 			success++
-		} else if errors.Is(err, teams_repo.ErrParticipationFinal) {
+		} else if errors.Is(err, ErrParticipationFinal) {
 			conflict++
 		} else {
 			t.Fatal(err)
@@ -239,11 +239,11 @@ func TestParticipationPostgres(t *testing.T) {
 		t.Fatal(err)
 	}
 	exec(`UPDATE games SET status='run' WHERE id=1`)
-	if _, err := service.AnswerParticipation(ctx, token6, "confirmed"); !errors.Is(err, teams_repo.ErrParticipationClosed) {
+	if _, err := service.AnswerParticipation(ctx, token6, "confirmed"); !errors.Is(err, ErrParticipationClosed) {
 		t.Fatalf("running game accepted answer: %v", err)
 	}
 	exec(`UPDATE games SET status='draft',start_at=(NOW() AT TIME ZONE 'UTC')-INTERVAL '1 second' WHERE id=1`)
-	if _, err := service.AnswerParticipation(ctx, token6, "confirmed"); !errors.Is(err, teams_repo.ErrParticipationClosed) {
+	if _, err := service.AnswerParticipation(ctx, token6, "confirmed"); !errors.Is(err, ErrParticipationClosed) {
 		t.Fatalf("past scheduled start accepted answer: %v", err)
 	}
 	state(6, "pending")
diff --git a/internal/services/participation_service/service.go b/internal/services/participation_service/service.go
index dcef1af..099fdf4 100644
--- a/internal/services/participation_service/service.go
+++ b/internal/services/participation_service/service.go
@@ -28,11 +28,13 @@ func NewParticipationService(teamsRepo *teams_repo.TeamsRepo, appBaseURL string)
 	return &ParticipationService{teamsRepo: teamsRepo, appBaseURL: appBaseURL}
 }
 
-func (s *ParticipationService) GetParticipation(ctx context.Context, token string) (*teams_repo.Participation, error) {
-	return s.teamsRepo.GetParticipation(ctx, token)
+func (s *ParticipationService) GetParticipation(ctx context.Context, token string) (*Participation, error) {
+	p, err := s.teamsRepo.GetParticipation(ctx, token)
+	return mapParticipation(p), err
 }
-func (s *ParticipationService) AnswerParticipation(ctx context.Context, token, answer string) (*teams_repo.Participation, error) {
-	return s.teamsRepo.AnswerParticipation(ctx, token, answer)
+func (s *ParticipationService) AnswerParticipation(ctx context.Context, token, answer string) (*Participation, error) {
+	p, err := s.teamsRepo.AnswerParticipation(ctx, token, answer)
+	return mapParticipation(p), err
 }
 
 // Стабильные токены для разных целей сохраняют работоспособность ссылок при
@@ -45,7 +47,7 @@ func participationToken(secret string, id int) string {
 	return hex.EncodeToString(mac.Sum(nil))
 }
 
-func participationEmail(p *teams_repo.Participation, baseURL, token string, location *time.Location) email_sender.Message {
+func participationEmail(p *Participation, baseURL, token string, location *time.Location) email_sender.Message {
 	link := strings.TrimRight(baseURL, "/") + "/participation#token=" + token
 	date := p.StartAt.In(location).Format("02.01.2006 в 15:04 (MST, UTC-07:00)")
 	body := fmt.Sprintf("Команда «%s», подтвердите участие в игре «%s».\nДата: %s\nУчастников: %d\n\nПодтвердить участие: %s&answer=confirmed\nОтменить участие: %s&answer=cancelled\n\nОтвет можно дать до начала игры. Решение окончательное: изменить его нельзя. Без ответа запись сохраняется со статусом «Ожидает ответа».\nНе пересылайте письмо: ссылка позволяет принять решение за команду.", p.TeamName, p.GameName, date, p.ParticipantsCount, link, link)
@@ -89,7 +91,7 @@ func (s *ParticipationService) RunParticipationEmails(ctx context.Context, sende
 func (s *ParticipationService) sendParticipationEmails(ctx context.Context, sender email_sender.IEmailSender, secret string, location *time.Location) error {
 	for ctx.Err() == nil {
 		jobCtx, cancel := context.WithTimeout(ctx, time.Minute)
-		p, err := s.teamsRepo.ClaimParticipationEmail(jobCtx)
+		repoParticipation, err := s.teamsRepo.ClaimParticipationEmail(jobCtx)
 		if errors.Is(err, pgx.ErrNoRows) {
 			cancel()
 			return nil
@@ -98,6 +100,7 @@ func (s *ParticipationService) sendParticipationEmails(ctx context.Context, send
 			cancel()
 			return err
 		}
+		p := mapParticipation(repoParticipation)
 		token := participationToken(secret, p.TeamID)
 		err = s.teamsRepo.SetParticipationToken(jobCtx, p.TeamID, token)
 		if err == nil {