diff --git a/.golangci.yml b/.golangci.yml
index a787060..80d3428 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -14,3 +14,7 @@ linters:
 run:
   relative-path-mode: gomod
   timeout: 5m
+
+issues:
+  max-issues-per-linter: 0
+  max-same-issues: 0
diff --git a/cmd/evening_detective_server/main.go b/cmd/evening_detective_server/main.go
index f6b5b71..eae491b 100644
--- a/cmd/evening_detective_server/main.go
+++ b/cmd/evening_detective_server/main.go
@@ -1,3 +1,4 @@
+// Package main starts the evening detective backend.
 package main
 
 import (
@@ -292,7 +293,7 @@ func main() {
 
 	docsHandler := v5emb.New("API", "/swagger/doc.json", "/docs/")
 	mainMux.Handle("/docs/", docsHandler)
-	mainMux.HandleFunc("/swagger/doc.json", func(w http.ResponseWriter, r *http.Request) {
+	mainMux.HandleFunc("/swagger/doc.json", func(w http.ResponseWriter, _ *http.Request) {
 		w.Header().Set("Content-Type", "application/json")
 		if _, err := w.Write(swaggerJSON); err != nil {
 			log.Printf("write swagger document: %v", err)
diff --git a/docs/embed.go b/docs/embed.go
index affd1a5..0e3b0cb 100644
--- a/docs/embed.go
+++ b/docs/embed.go
@@ -1,4 +1,4 @@
-// Пакет docs встраивает юридические документы в бинарник и раздаёт их
+// Package docs встраивает юридические документы в бинарник и раздаёт их
 // по постоянным URL (/terms, /privacy, /consent), на которые сервис
 // ссылается при фиксации акцептов соглашений (user_agreements).
 package docs
diff --git a/internal/app/answer_errors.go b/internal/app/answer_errors.go
index ede6e51..76b5092 100644
--- a/internal/app/answer_errors.go
+++ b/internal/app/answer_errors.go
@@ -1,3 +1,4 @@
+// Package app exposes the backend transport handlers.
 package app
 
 import (
diff --git a/internal/app/change_password_test.go b/internal/app/change_password_test.go
index ab08d9e..243acc9 100644
--- a/internal/app/change_password_test.go
+++ b/internal/app/change_password_test.go
@@ -60,7 +60,7 @@ func (r *passwordRepo) GetUserByID(_ context.Context, id int) (*repos.User, erro
 	}
 	return nil, users_repo.ErrUserNotFound
 }
-func (r *passwordRepo) UpdateUserPassword(_ context.Context, email, hash string) error {
+func (r *passwordRepo) UpdateUserPassword(_ context.Context, _, hash string) error {
 	if r.saveErr != nil {
 		return r.saveErr
 	}
diff --git a/internal/app/client_info_test.go b/internal/app/client_info_test.go
index 27a03e1..edfea5a 100644
--- a/internal/app/client_info_test.go
+++ b/internal/app/client_info_test.go
@@ -80,7 +80,7 @@ func TestClientInfoFromContext(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			var ctx context.Context = context.Background()
+			ctx := context.Background()
 			if tt.md != nil {
 				ctx = metadata.NewIncomingContext(ctx, tt.md)
 			}
diff --git a/internal/app/game_reviews.go b/internal/app/game_reviews.go
index 859edfd..a06552c 100644
--- a/internal/app/game_reviews.go
+++ b/internal/app/game_reviews.go
@@ -72,7 +72,7 @@ func (s *server) GetGameReviewsForModeration(ctx context.Context, req *proto.Get
 	return &proto.GetGameReviewsRsp{AverageRating: average, ReviewsCount: count, Reviews: mapGameReviews(reviews)}, nil
 }
 
-func (s *server) GetReviewsForModeration(ctx context.Context, req *proto.GetReviewsForModerationReq) (*proto.GetGameReviewsRsp, error) {
+func (s *server) GetReviewsForModeration(ctx context.Context, _ *proto.GetReviewsForModerationReq) (*proto.GetGameReviewsRsp, error) {
 	claims, claimsErr := claimsFromContext(ctx)
 	if claimsErr != nil {
 		return nil, claimsErr
diff --git a/internal/app/games.go b/internal/app/games.go
index aa4913c..51aa26e 100644
--- a/internal/app/games.go
+++ b/internal/app/games.go
@@ -127,7 +127,7 @@ func (s *server) GetGameResults(ctx context.Context, req *proto.GetGameResultsRe
 	}, nil
 }
 
-func (s *server) GetGames(ctx context.Context, req *proto.GetGamesReq) (*proto.GetGamesRsp, error) {
+func (s *server) GetGames(ctx context.Context, _ *proto.GetGamesReq) (*proto.GetGamesRsp, error) {
 	claims, claimsErr := claimsFromContext(ctx)
 	if claimsErr != nil {
 		return nil, claimsErr
diff --git a/internal/app/scenarios.go b/internal/app/scenarios.go
index ac7140e..84c6401 100644
--- a/internal/app/scenarios.go
+++ b/internal/app/scenarios.go
@@ -29,7 +29,7 @@ func (s *server) AddScenario(ctx context.Context, req *proto.AddScenarioReq) (*p
 	}, nil
 }
 
-func (s *server) GetMyScenarios(ctx context.Context, req *proto.GetMyScenariosReq) (*proto.GetMyScenariosRsp, error) {
+func (s *server) GetMyScenarios(ctx context.Context, _ *proto.GetMyScenariosReq) (*proto.GetMyScenariosRsp, error) {
 	claims, claimsErr := claimsFromContext(ctx)
 	if claimsErr != nil {
 		return nil, claimsErr
@@ -48,7 +48,7 @@ func (s *server) GetMyScenarios(ctx context.Context, req *proto.GetMyScenariosRe
 	}, nil
 }
 
-func (s *server) GetScenariosCatalog(ctx context.Context, req *proto.GetScenariosCatalogReq) (*proto.GetScenariosCatalogRsp, error) {
+func (s *server) GetScenariosCatalog(ctx context.Context, _ *proto.GetScenariosCatalogReq) (*proto.GetScenariosCatalogRsp, error) {
 	scenarios, err := s.scenarioService.GetScenariosCatalog(ctx)
 	if err != nil {
 		return nil, scenarioErrorStatus(err, "не удалось получить каталог сценариев")
diff --git a/internal/app/users.go b/internal/app/users.go
index c94a578..ade60f5 100644
--- a/internal/app/users.go
+++ b/internal/app/users.go
@@ -33,7 +33,7 @@ func (s *server) Signup(ctx context.Context, req *proto.SignupReq) (*proto.Signu
 	return &proto.SignupRsp{}, nil
 }
 
-func (s *server) DeleteAccount(ctx context.Context, req *proto.DeleteAccountReq) (*proto.DeleteAccountRsp, error) {
+func (s *server) DeleteAccount(ctx context.Context, _ *proto.DeleteAccountReq) (*proto.DeleteAccountRsp, error) {
 	claims, ok := processor_jwt.ClaimsFromContext(ctx)
 	if !ok {
 		return nil, status.Errorf(codes.Unauthenticated, "claims is not provided")
@@ -143,7 +143,7 @@ func (s *server) Refresh(ctx context.Context, req *proto.RefreshReq) (*proto.Ref
 	}, nil
 }
 
-func (s *server) GetUsers(ctx context.Context, req *proto.GetUsersReq) (*proto.GetUsersRsp, error) {
+func (s *server) GetUsers(ctx context.Context, _ *proto.GetUsersReq) (*proto.GetUsersRsp, error) {
 	claims, claimsErr := claimsFromContext(ctx)
 	if claimsErr != nil {
 		return nil, claimsErr
@@ -176,7 +176,7 @@ func (s *server) GetUserByID(ctx context.Context, req *proto.GetUserByIDReq) (*p
 	}, nil
 }
 
-func (s *server) GetMe(ctx context.Context, req *proto.GetMeReq) (*proto.GetMeRsp, error) {
+func (s *server) GetMe(ctx context.Context, _ *proto.GetMeReq) (*proto.GetMeRsp, error) {
 	claims, claimsErr := claimsFromContext(ctx)
 	if claimsErr != nil {
 		return nil, claimsErr
@@ -219,7 +219,7 @@ func (s *server) DeleteUserRole(ctx context.Context, req *proto.DeleteUserRoleRe
 	return &proto.DeleteUserRoleRsp{}, nil
 }
 
-func (s *server) GetPermissions(ctx context.Context, req *proto.GetPermissionsReq) (*proto.GetPermissionsRsp, error) {
+func (s *server) GetPermissions(ctx context.Context, _ *proto.GetPermissionsReq) (*proto.GetPermissionsRsp, error) {
 	claims, claimsErr := claimsFromContext(ctx)
 	if claimsErr != nil {
 		return nil, claimsErr
diff --git a/internal/modules/cleaner/interface.go b/internal/modules/cleaner/interface.go
index 43e2c64..56806a9 100644
--- a/internal/modules/cleaner/interface.go
+++ b/internal/modules/cleaner/interface.go
@@ -1,3 +1,4 @@
+// Package cleaner normalizes user-provided text and codes.
 package cleaner
 
 type ICleaner interface {
diff --git a/internal/modules/scenario_archive/archive.go b/internal/modules/scenario_archive/archive.go
index 73df55c..3710787 100644
--- a/internal/modules/scenario_archive/archive.go
+++ b/internal/modules/scenario_archive/archive.go
@@ -1,4 +1,4 @@
-// Пакет scenario_archive — сборка и разбор ZIP-архива сценария.
+// Package scenario_archive собирает и разбирает ZIP-архивы сценариев.
 // Архив: scenario.json (описание и история) + images/<имя> (файлы изображений).
 // Все пути внутри архива относительные.
 package scenario_archive
diff --git a/internal/repos/actions_repo/repo.go b/internal/repos/actions_repo/repo.go
index 9da420c..8448e31 100644
--- a/internal/repos/actions_repo/repo.go
+++ b/internal/repos/actions_repo/repo.go
@@ -1,3 +1,4 @@
+// Package actions_repo provides database access for team actions.
 package actions_repo
 
 import (
diff --git a/internal/repos/applications_repo/repo.go b/internal/repos/applications_repo/repo.go
index b8c58b8..80cd4b7 100644
--- a/internal/repos/applications_repo/repo.go
+++ b/internal/repos/applications_repo/repo.go
@@ -1,3 +1,4 @@
+// Package applications_repo provides database access for team applications.
 package applications_repo
 
 import (
diff --git a/internal/repos/games_repo/repo.go b/internal/repos/games_repo/repo.go
index 6d98450..f5ca639 100644
--- a/internal/repos/games_repo/repo.go
+++ b/internal/repos/games_repo/repo.go
@@ -1,3 +1,4 @@
+// Package games_repo provides database access for games.
 package games_repo
 
 import (
diff --git a/internal/repos/health_repo/repo.go b/internal/repos/health_repo/repo.go
index 41caabd..ecfb192 100644
--- a/internal/repos/health_repo/repo.go
+++ b/internal/repos/health_repo/repo.go
@@ -1,3 +1,4 @@
+// Package health_repo provides database health checks.
 package health_repo
 
 import (
diff --git a/internal/services/file_service/service.go b/internal/services/file_service/service.go
index 8c776e6..7a2502b 100644
--- a/internal/services/file_service/service.go
+++ b/internal/services/file_service/service.go
@@ -1,3 +1,4 @@
+// Package file_service handles file upload and download operations.
 package file_service
 
 import (
diff --git a/internal/services/gameplay_service/application_mapper.go b/internal/services/gameplay_service/application_mapper.go
index 1fe1699..d2ea035 100644
--- a/internal/services/gameplay_service/application_mapper.go
+++ b/internal/services/gameplay_service/application_mapper.go
@@ -1,3 +1,4 @@
+// Package gameplay_service implements team gameplay operations.
 package gameplay_service
 
 import (
diff --git a/internal/services/mcp_service/http_test.go b/internal/services/mcp_service/http_test.go
index 953bb5a..9ce39a0 100644
--- a/internal/services/mcp_service/http_test.go
+++ b/internal/services/mcp_service/http_test.go
@@ -79,7 +79,7 @@ func TestStreamableHTTPEndToEnd(t *testing.T) {
 
 // Проверка, что структуры моков сериализуемы (защита от изменения типов
 // storytelling/game_service без обновления моков).
-func TestMockTypesUsable(t *testing.T) {
+func TestMockTypesUsable(_ *testing.T) {
 	_ = defaultStory()
 	_ = defaultGame()
 	_ = (*game_model.Game)(nil)
diff --git a/internal/services/mcp_service/service_test.go b/internal/services/mcp_service/service_test.go
index 505f395..babff4a 100644
--- a/internal/services/mcp_service/service_test.go
+++ b/internal/services/mcp_service/service_test.go
@@ -25,14 +25,14 @@ type fakeGamePlayer struct {
 	viaMCP bool
 }
 
-func (f *fakeGamePlayer) GetTeamActions(_ context.Context, teamID int, password string) (*storytelling.Story, *game_model.Game, []actions_repo.Action, error) {
+func (f *fakeGamePlayer) GetTeamActions(_ context.Context, _ int, _ string) (*storytelling.Story, *game_model.Game, []actions_repo.Action, error) {
 	if f.err != nil {
 		return nil, nil, nil, f.err
 	}
 	return f.story, f.game, nil, nil
 }
 
-func (f *fakeGamePlayer) AddTeamAction(_ context.Context, teamID int, password, code string, viaMCP bool) error {
+func (f *fakeGamePlayer) AddTeamAction(_ context.Context, _ int, _, _ string, viaMCP bool) error {
 	f.viaMCP = viaMCP
 	if f.err != nil {
 		return f.err
diff --git a/internal/services/participation_service/service.go b/internal/services/participation_service/service.go
index 77ad51a..5dec006 100644
--- a/internal/services/participation_service/service.go
+++ b/internal/services/participation_service/service.go
@@ -12,6 +12,7 @@ import (
 	"net/url"
 	"strings"
 	"time"
+	// Ensure timezone data is available in minimal runtime images.
 	_ "time/tzdata"
 
 	"evening_detective_server/internal/modules/email_sender"
diff --git a/internal/services/scenarios_service/service_test.go b/internal/services/scenarios_service/service_test.go
index 5a47f53..c8e3935 100644
--- a/internal/services/scenarios_service/service_test.go
+++ b/internal/services/scenarios_service/service_test.go
@@ -68,14 +68,14 @@ func TestConclusionLifecycle(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	copy, err := svc.GetFullScenarioByID(ctx, imported)
+	importedScenario, err := svc.GetFullScenarioByID(ctx, imported)
 	if err != nil {
 		t.Fatal(err)
 	}
-	if copy.Story.Conclusion == nil || copy.Story.Conclusion.Text != conclusion.Text {
+	if importedScenario.Story.Conclusion == nil || importedScenario.Story.Conclusion.Text != conclusion.Text {
 		t.Fatal("lost conclusion on import")
 	}
-	name := strings.TrimPrefix(copy.Story.Conclusion.Video, testDomain)
+	name := strings.TrimPrefix(importedScenario.Story.Conclusion.Video, testDomain)
 	file, err := storage.Get(ctx, name)
 	if err != nil || name == "ending.mp4" || string(file.Data) != "video" {
 		t.Fatalf("video import: %q, %v", name, err)
@@ -134,7 +134,7 @@ func (s *fakeStorage) Delete(_ context.Context, name string) error {
 	return nil
 }
 
-func (s *fakeStorage) MimeType(filename string) string {
+func (s *fakeStorage) MimeType(_ string) string {
 	return ""
 }