diff --git a/.gitattributes b/.gitattributes
index 526c8a3..a11336d 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1,2 @@
-*.sh text eol=lf
\ No newline at end of file
+*.sh text eol=lf
+*.go text eol=lf
\ No newline at end of file
diff --git a/internal/agent/agent_plan_test.go b/internal/agent/agent_plan_test.go
index 5a3028f..12ccb9c 100644
--- a/internal/agent/agent_plan_test.go
+++ b/internal/agent/agent_plan_test.go
@@ -11,35 +11,71 @@ import (
 
 func TestEmbeddedPalworldSnapshotMatchesApplicationDeploymentPlan(t *testing.T) {
 	snapshots, err := catalog.LoadFS(catalogdata.Files, ".")
-	if err != nil || len(snapshots) != 1 {
-		t.Fatalf("embedded snapshots = %#v, error = %v", snapshots, err)
+	if err != nil {
+		t.Fatal(err)
 	}
-	snapshot := snapshots[0]
-	if snapshot.Template.ID != "palworld-official" || snapshot.Template.Version != "1.1.1" {
-		t.Fatalf("embedded Palworld snapshot = %s@%s", snapshot.Template.ID, snapshot.Template.Version)
+
+	var snapshot *catalog.Snapshot
+	for i := range snapshots {
+		if snapshots[i].Template.ID == "palworld-official" {
+			snapshot = &snapshots[i]
+			break
+		}
 	}
-	preview, err := instance.BuildPreview(snapshot, instance.PreviewRequest{
-		DisplayName: "Snapshot consistency", Slug: "snapshot-consistency",
-		HostPorts:  map[string]int{"game": 38211},
-		MountPaths: map[string]string{"saved": filepath.Join(t.TempDir(), "saved")},
-		DataOrigin: "new", BackupRetention: 7,
+
+	if snapshot == nil {
+		t.Fatal(`embedded template "palworld-official" not found`)
+	}
+
+	if snapshot.Template.Version != "1.1.1" {
+		t.Fatalf(
+			"embedded Palworld snapshot = %s@%s",
+			snapshot.Template.ID,
+			snapshot.Template.Version,
+		)
+	}
+
+	preview, err := instance.BuildPreview(*snapshot, instance.PreviewRequest{
+		DisplayName: "Snapshot consistency",
+		Slug:        "snapshot-consistency",
+		HostPorts: map[string]int{
+			"game": 38211,
+		},
+		MountPaths: map[string]string{
+			"saved": filepath.Join(t.TempDir(), "saved"),
+		},
+		DataOrigin:      "new",
+		BackupRetention: 7,
 	})
 	if err != nil {
 		t.Fatal(err)
 	}
+
 	plan, err := preview.DeploymentPlan("abcdefghijklmnopqrstuvwx")
 	if err != nil {
 		t.Fatal(err)
 	}
+
 	policy, err := NewPlanPolicy(snapshots, catalogdata.Files)
 	if err != nil {
 		t.Fatal(err)
 	}
+
 	known, ok := policy.snapshots[plan.TemplateID+"@"+plan.TemplateVersion]
 	if !ok || known.Digest != plan.TemplateDigest {
-		t.Fatalf("agent snapshot=%#v plan=%s@%s digest=%s", known, plan.TemplateID, plan.TemplateVersion, plan.TemplateDigest)
+		t.Fatalf(
+			"agent snapshot=%#v plan=%s@%s digest=%s",
+			known,
+			plan.TemplateID,
+			plan.TemplateVersion,
+			plan.TemplateDigest,
+		)
 	}
+
 	if err := policy.Validate(plan); err != nil {
-		t.Fatalf("application plan rejected by matching embedded snapshot: %v", err)
+		t.Fatalf(
+			"application plan rejected by matching embedded snapshot: %v",
+			err,
+		)
 	}
 }
diff --git a/internal/persistence/sqlite/catalog_test.go b/internal/persistence/sqlite/catalog_test.go
index e9764b8..e4274ec 100644
--- a/internal/persistence/sqlite/catalog_test.go
+++ b/internal/persistence/sqlite/catalog_test.go
@@ -13,6 +13,19 @@ import (
 	"git.zaynet.fr/DoGaMa/DoGaMa-serv/internal/persistence/sqlite"
 )
 
+func findSnapshot(t *testing.T, snapshots []catalog.Snapshot, id string) catalog.Snapshot {
+	t.Helper()
+
+	for _, snapshot := range snapshots {
+		if snapshot.Template.ID == id {
+			return snapshot
+		}
+	}
+
+	t.Fatalf("template %q not found in catalog", id)
+	return catalog.Snapshot{}
+}
+
 func TestCatalogSyncIsImmutableAndDraftPinsSnapshot(t *testing.T) {
 	ctx := context.Background()
 	db, err := sqlite.Open(ctx, filepath.Join(t.TempDir(), "dogama.db"))
@@ -20,81 +33,180 @@ func TestCatalogSyncIsImmutableAndDraftPinsSnapshot(t *testing.T) {
 		t.Fatal(err)
 	}
 	defer db.Close()
+
 	repository := sqlite.NewRepository(db)
+
 	snapshots, err := catalog.LoadFS(catalogdata.Files, ".")
 	if err != nil {
 		t.Fatal(err)
 	}
+
+	palworld := findSnapshot(t, snapshots, "palworld-official")
+
 	if err := repository.Sync(ctx, snapshots); err != nil {
 		t.Fatal(err)
 	}
+
 	summaries, err := repository.List(ctx)
-	if err != nil || len(summaries) != 1 || summaries[0].Digest != snapshots[0].Digest {
-		t.Fatalf("summaries = %#v, error = %v", summaries, err)
+	if err != nil {
+		t.Fatal(err)
 	}
-	loaded, err := repository.Get(ctx, snapshots[0].Template.ID, snapshots[0].Template.Version)
-	if err != nil || loaded.Digest != snapshots[0].Digest {
+	if len(summaries) != len(snapshots) {
+		t.Fatalf("summaries = %#v, want %d templates", summaries, len(snapshots))
+	}
+
+	var foundPalworld bool
+	for _, summary := range summaries {
+		if summary.TemplateID == palworld.Template.ID {
+			foundPalworld = true
+			if summary.Digest != palworld.Digest {
+				t.Fatalf(
+					"palworld summary digest = %q, want %q",
+					summary.Digest,
+					palworld.Digest,
+				)
+			}
+		}
+	}
+	if !foundPalworld {
+		t.Fatalf("palworld summary missing: %#v", summaries)
+	}
+
+	loaded, err := repository.Get(
+		ctx,
+		palworld.Template.ID,
+		palworld.Template.Version,
+	)
+	if err != nil || loaded.Digest != palworld.Digest {
 		t.Fatalf("loaded snapshot = %#v, error = %v", loaded, err)
 	}
-	tampered := snapshots[0]
+
+	tampered := palworld
 	tampered.Digest = "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
+
 	if err := repository.Sync(ctx, []catalog.Snapshot{tampered}); !errors.Is(err, catalog.ErrImmutableSnapshot) {
 		t.Fatalf("immutable snapshot error = %v", err)
 	}
-	preview, err := instance.BuildPreview(snapshots[0], instance.PreviewRequest{
-		DisplayName: "Family Palworld", Slug: "family-palworld",
-		HostPorts:  map[string]int{"game": 8211},
-		MountPaths: map[string]string{"saved": "/srv/game-servers/family-palworld/saved"},
-		DataOrigin: "new", BackupRetention: 7,
+
+	preview, err := instance.BuildPreview(palworld, instance.PreviewRequest{
+		DisplayName:     "Family Palworld",
+		Slug:            "family-palworld",
+		HostPorts:       map[string]int{"game": 8211},
+		MountPaths:      map[string]string{"saved": "/srv/game-servers/family-palworld/saved"},
+		DataOrigin:      "new",
+		BackupRetention: 7,
 	})
 	if err != nil {
 		t.Fatal(err)
 	}
-	if err := repository.CreateDraft(ctx, instance.Draft{ID: "opaque-instance-id", Preview: preview}); err != nil {
+
+	if err := repository.CreateDraft(ctx, instance.Draft{
+		ID:      "opaque-instance-id",
+		Preview: preview,
+	}); err != nil {
 		t.Fatal(err)
 	}
+
 	var state, digest string
-	if err := db.QueryRow("SELECT lifecycle_state, template_digest FROM instances WHERE id=?", "opaque-instance-id").Scan(&state, &digest); err != nil {
+	if err := db.QueryRow(
+		"SELECT lifecycle_state, template_digest FROM instances WHERE id=?",
+		"opaque-instance-id",
+	).Scan(&state, &digest); err != nil {
 		t.Fatal(err)
 	}
-	if state != "draft" || digest != snapshots[0].Digest {
+
+	if state != "draft" || digest != palworld.Digest {
 		t.Fatalf("draft state=%q digest=%q", state, digest)
 	}
-	if _, err := repository.BeginOperation(ctx, "operation-one", "opaque-instance-id", "install", "installing"); err != nil {
+
+	if _, err := repository.BeginOperation(
+		ctx,
+		"operation-one",
+		"opaque-instance-id",
+		"install",
+		"installing",
+	); err != nil {
 		t.Fatal(err)
 	}
-	if err := repository.SetOperationStep(ctx, "operation-one", "installation", "running"); err != nil {
+
+	if err := repository.SetOperationStep(
+		ctx,
+		"operation-one",
+		"installation",
+		"running",
+	); err != nil {
 		t.Fatal(err)
 	}
+
 	progress, err := repository.GetOperationProgress(ctx, "operation-one")
-	if err != nil || progress.GlobalStatus != "running" || progress.CurrentStep != "installation" || len(progress.Steps) != 7 {
+	if err != nil ||
+		progress.GlobalStatus != "running" ||
+		progress.CurrentStep != "installation" ||
+		len(progress.Steps) != 7 {
 		t.Fatalf("progress=%#v err=%v", progress, err)
 	}
-	if _, err := repository.BeginOperation(ctx, "operation-two", "opaque-instance-id", "start", "starting"); !errors.Is(err, instance.ErrOperationConflict) {
+
+	if _, err := repository.BeginOperation(
+		ctx,
+		"operation-two",
+		"opaque-instance-id",
+		"start",
+		"starting",
+	); !errors.Is(err, instance.ErrOperationConflict) {
 		t.Fatalf("parallel operation error = %v", err)
 	}
-	if err := repository.FailOperation(ctx, "operation-one", "error", "test_failure"); err != nil {
+
+	if err := repository.FailOperation(
+		ctx,
+		"operation-one",
+		"error",
+		"test_failure",
+	); err != nil {
 		t.Fatal(err)
 	}
+
 	progress, err = repository.GetOperationProgress(ctx, "operation-one")
-	if err != nil || progress.GlobalStatus != "failed" || progress.ErrorCode != "test_failure" || progress.FinishedAt == "" {
+	if err != nil ||
+		progress.GlobalStatus != "failed" ||
+		progress.ErrorCode != "test_failure" ||
+		progress.FinishedAt == "" {
 		t.Fatalf("failed progress=%#v err=%v", progress, err)
 	}
-	if _, err := repository.BeginOperation(ctx, "operation-three", "opaque-instance-id", "start", "starting"); err != nil {
+
+	if _, err := repository.BeginOperation(
+		ctx,
+		"operation-three",
+		"opaque-instance-id",
+		"start",
+		"starting",
+	); err != nil {
 		t.Fatal(err)
 	}
+
 	if err := repository.RecoverInterruptedOperations(ctx); err != nil {
 		t.Fatal(err)
 	}
+
 	var operationState string
-	if err := db.QueryRow("SELECT state FROM instance_operations WHERE id='operation-three'").Scan(&operationState); err != nil {
+	if err := db.QueryRow(
+		"SELECT state FROM instance_operations WHERE id='operation-three'",
+	).Scan(&operationState); err != nil {
 		t.Fatal(err)
 	}
-	if err := db.QueryRow("SELECT lifecycle_state FROM instances WHERE id='opaque-instance-id'").Scan(&state); err != nil {
+
+	if err := db.QueryRow(
+		"SELECT lifecycle_state FROM instances WHERE id='opaque-instance-id'",
+	).Scan(&state); err != nil {
 		t.Fatal(err)
 	}
-	if operationState != "intervention_required" || state != "intervention_required" {
-		t.Fatalf("recovered operation=%q instance=%q", operationState, state)
+
+	if operationState != "intervention_required" ||
+		state != "intervention_required" {
+		t.Fatalf(
+			"recovered operation=%q instance=%q",
+			operationState,
+			state,
+		)
 	}
 }
 
@@ -105,28 +217,45 @@ func TestReplaceMakesLocalCatalogDiskStateAuthoritative(t *testing.T) {
 		t.Fatal(err)
 	}
 	defer db.Close()
+
 	repository := sqlite.NewRepository(db)
+
 	snapshots, err := catalog.LoadFS(catalogdata.Files, ".")
 	if err != nil {
 		t.Fatal(err)
 	}
+
+	palworld := findSnapshot(t, snapshots, "palworld-official")
+
 	if err := repository.Replace(ctx, snapshots); err != nil {
 		t.Fatal(err)
 	}
-	changed := snapshots[0]
+
+	changed := palworld
 	changed.Template.Game.Name = "Palworld changed"
-	changed.CanonicalYAML = strings.Replace(changed.CanonicalYAML, "Palworld", "Palworld changed", 1)
+	changed.CanonicalYAML = strings.Replace(
+		changed.CanonicalYAML,
+		"Palworld",
+		"Palworld changed",
+		1,
+	)
 	changed.Digest = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+
 	if err := repository.Replace(ctx, []catalog.Snapshot{changed}); err != nil {
 		t.Fatal(err)
 	}
+
 	list, err := repository.List(ctx)
-	if err != nil || len(list) != 1 || list[0].GameName != "Palworld changed" {
+	if err != nil ||
+		len(list) != 1 ||
+		list[0].GameName != "Palworld changed" {
 		t.Fatalf("updated list = %#v, %v", list, err)
 	}
+
 	if err := repository.Replace(ctx, nil); err != nil {
 		t.Fatal(err)
 	}
+
 	list, err = repository.List(ctx)
 	if err != nil || len(list) != 0 {
 		t.Fatalf("removed list = %#v, %v", list, err)
@@ -140,34 +269,91 @@ func TestSyncActivatesCurrentBundledSnapshotWithoutDiscardingHistory(t *testing.
 		t.Fatal(err)
 	}
 	defer db.Close()
+
 	repository := sqlite.NewRepository(db)
+
 	current, err := catalog.LoadFS(catalogdata.Files, ".")
-	if err != nil || len(current) != 1 {
-		t.Fatalf("current catalog = %#v, %v", current, err)
+	if err != nil {
+		t.Fatal(err)
 	}
+
+	palworld := findSnapshot(t, current, "palworld-official")
+
 	body, err := catalogdata.Files.ReadFile("palworld/template.yaml")
 	if err != nil {
 		t.Fatal(err)
 	}
-	oldBody := strings.Replace(string(body), "version: 1.1.1", "version: 1.1.0", 1)
-	old, err := catalog.Validate([]byte(oldBody), "palworld", catalogdata.Files)
+
+	oldBody := strings.Replace(
+		string(body),
+		"version: 1.1.1",
+		"version: 1.1.0",
+		1,
+	)
+
+	old, err := catalog.Validate(
+		[]byte(oldBody),
+		"palworld",
+		catalogdata.Files,
+	)
 	if err != nil {
 		t.Fatal(err)
 	}
+
 	if err := repository.Replace(ctx, []catalog.Snapshot{old}); err != nil {
 		t.Fatal(err)
 	}
+
 	if err := repository.Sync(ctx, current); err != nil {
 		t.Fatal(err)
 	}
+
 	summaries, err := repository.List(ctx)
-	if err != nil || len(summaries) != 1 {
-		t.Fatalf("summaries = %#v, error = %v", summaries, err)
+	if err != nil {
+		t.Fatal(err)
 	}
-	if summaries[0].Version != current[0].Template.Version || summaries[0].Digest != current[0].Digest {
-		t.Fatalf("active summary = %#v, want %s@%s", summaries[0], current[0].Template.ID, current[0].Template.Version)
+
+	if len(summaries) != len(current) {
+		t.Fatalf(
+			"summaries = %#v, want %d current templates",
+			summaries,
+			len(current),
+		)
 	}
-	if preserved, err := repository.Get(ctx, old.Template.ID, old.Template.Version); err != nil || preserved.Digest != old.Digest {
-		t.Fatalf("historical snapshot = %#v, error = %v", preserved, err)
+
+	var activePalworldFound bool
+	for _, summary := range summaries {
+		if summary.TemplateID != palworld.Template.ID {
+			continue
+		}
+
+		activePalworldFound = true
+
+		if summary.Version != palworld.Template.Version ||
+			summary.Digest != palworld.Digest {
+			t.Fatalf(
+				"active palworld summary = %#v, want %s@%s",
+				summary,
+				palworld.Template.ID,
+				palworld.Template.Version,
+			)
+		}
+	}
+
+	if !activePalworldFound {
+		t.Fatalf("active palworld summary missing: %#v", summaries)
+	}
+
+	preserved, err := repository.Get(
+		ctx,
+		old.Template.ID,
+		old.Template.Version,
+	)
+	if err != nil || preserved.Digest != old.Digest {
+		t.Fatalf(
+			"historical snapshot = %#v, error = %v",
+			preserved,
+			err,
+		)
 	}
 }
diff --git a/internal/web/server_test.go b/internal/web/server_test.go
index 4b3cc14..d437434 100644
--- a/internal/web/server_test.go
+++ b/internal/web/server_test.go
@@ -1070,7 +1070,7 @@ func TestCatalogPagesAndAdminScan(t *testing.T) {
 	adminCookies := []*http.Cookie{{Name: sessionCookie, Value: admin.Token}, {Name: csrfCookie, Value: admin.CSRFToken}}
 	page := request(t, handler, http.MethodGet, "/catalog", adminCookies)
 	assertStatus(t, page, http.StatusOK)
-	for _, expected := range []string{"Palworld", snapshots[0].Template.Game.Image, "/catalog/palworld-official", "Scan"} {
+	for _, expected := range []string{"Palworld", snapshots[0].Template.Game.Artwork.Image, "/catalog/palworld-official", "Scan"} {
 		if !strings.Contains(page.Body.String(), expected) {
 			t.Fatalf("catalog missing %q", expected)
 		}