fix: load full poster wall media

internal/service/media.go

@@ -198,8 +198,10 @@ func (s *MediaService) SearchMedia(ctx context.Context, query string, limit int)
 }
 
 func (s *MediaService) SearchMediaVisible(ctx context.Context, query string, limit int, visibility MediaVisibility) ([]model.Media, error) {
-	if limit <= 0 || limit > 200 {
+	if limit <= 0 {
 		limit = 50
+	} else if limit > 2000 {
+		limit = 2000
 	}
 	return s.repo.Media.SearchFiltered(ctx, query, limit, repository.MediaQueryFilter{
 		IncludeNSFW:       visibility.IncludeNSFW,

internal/service/media_visibility_test.go

@@ -1,6 +1,7 @@
 package service
 
 import (
+	"fmt"
 	"slices"
 	"testing"
 
@@ -140,6 +141,41 @@ func TestConfiguredAdultLibrariesDoNotHideSafeLibraryWithNSFWItems(t *testing.T)
 	}
 }
 
+func TestSearchMediaVisibleHonorsLargePosterWallLimit(t *testing.T) {
+	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := db.AutoMigrate(&model.Library{}, &model.Media{}); err != nil {
+		t.Fatal(err)
+	}
+	repos := repository.New(db)
+	lib := model.Library{Name: "海报墙", Path: "/media/all", Type: "tv", Enabled: true}
+	if err := repos.Library.Create(t.Context(), &lib); err != nil {
+		t.Fatal(err)
+	}
+	rows := make([]model.Media, 260)
+	for i := range rows {
+		rows[i] = model.Media{
+			LibraryID: lib.ID,
+			Title:     fmt.Sprintf("节目 %03d", i),
+			Path:      fmt.Sprintf("/media/all/show-%03d.mkv", i),
+		}
+	}
+	if err := db.Create(&rows).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	items, err := NewMediaService(&config.Config{}, zap.NewNop(), repos).
+		SearchMediaVisible(t.Context(), "", 240, MediaVisibility{IncludeNSFW: true})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(items) != 240 {
+		t.Fatalf("large poster wall search returned %d rows, want 240", len(items))
+	}
+}
+
 func sortedMediaTitles(rows []model.Media) []string {
 	out := make([]string, 0, len(rows))
 	for _, row := range rows {