专题和短剧 slug 改为 8 位随机小写字母

后台新建/修改（未填 slug）和媒资入库时生成随机 slug，不再按标题拼音生成；标签、分类不变。

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

pub/common/utils/strings.go

@@ -113,6 +113,19 @@ func IsSlugAllDigits(s string) bool {
 	return true
 }
 
+// RandomSlugLength 随机 slug 长度
+const RandomSlugLength = 8
+
+// MakeRandomSlug 生成唯一的随机 slug（8 位小写字母）；exists 返回 true 表示已被占用。
+func MakeRandomSlug(exists func(string) bool) string {
+	for {
+		s := strings.ToLower(GetRandomLetters(RandomSlugLength))
+		if !exists(s) {
+			return s
+		}
+	}
+}
+
 // MakeUniqueSlug 生成唯一 slug；exists 返回 true 表示已被占用。生成结果不能全是数字。
 func MakeUniqueSlug(source string, exists func(string) bool) string {
 	pinyin := GetSlugInfo(source)

web/service/srv_mediaresource/resource.go

@@ -1276,8 +1276,7 @@ func ensureImportedPlayletSlug(ctx context.Context, playlet *playletmod.Playlet)
 	if playlet == nil {
 		return srvdef.New(srvdef.ErrParamError, "短剧数据为空", "")
 	}
-	source := utils.SlugSourceFromKeywordsOrTitle(playlet.SeoInfo.Keyworld, playlet.Title)
+	playlet.Slug = utils.MakeRandomSlug(func(slug string) bool {
-	playlet.Slug = utils.MakeUniqueSlug(source, func(slug string) bool {
 		exist, _ := playletmod.FindOnePlaylet(ctx, bson.M{
 			playletmod.FN.Playlet.Slug: slug,
 		})

web/service/srv_playlet/slug.go

@@ -48,8 +48,7 @@ func ensureThemeSlug(ctx context.Context, ac *playletthememod.PlayletTheme, excl
 		}
 		return nil
 	}
-	source := utils.SlugSourceFromKeywordsOrTitle(ac.SeoInfo.Keyworld, ac.Name)
+	ac.Slug = utils.MakeRandomSlug(func(slug string) bool {
-	ac.Slug = utils.MakeUniqueSlug(source, func(slug string) bool {
 		filter := bson.M{playletthememod.FN.PlayletTheme.Slug: slug}
 		if excludeId > 0 {
 			filter[playletthememod.FN.PlayletTheme.Id] = bson.M{"$ne": excludeId}
@@ -81,16 +80,7 @@ func prepareThemeSlugOnUpdate(ctx context.Context, id int64, info *playletthemem
 		}
 		return nil
 	}
-	name := info.Name
+	newSlug := utils.MakeRandomSlug(func(s string) bool {
-	if req.Name != nil {
-		name = strings.TrimSpace(*req.Name)
-	}
-	keywords := info.SeoInfo.Keyworld
-	if req.SeoInfo != nil {
-		keywords = normalizeSeoValue(*req.SeoInfo).Keyworld
-	}
-	source := utils.SlugSourceFromKeywordsOrTitle(keywords, name)
-	newSlug := utils.MakeUniqueSlug(source, func(s string) bool {
 		exist, _ := playletthememod.FindOnePlayletTheme(ctx, bson.M{
 			playletthememod.FN.PlayletTheme.Slug: s,
 			playletthememod.FN.PlayletTheme.Id:   bson.M{"$ne": id},
@@ -186,8 +176,7 @@ func ensurePlayletSlug(ctx context.Context, ac *playletmod.Playlet, excludeId in
 		}
 		return nil
 	}
-	source := utils.SlugSourceFromKeywordsOrTitle(ac.SeoInfo.Keyworld, ac.Title)
+	ac.Slug = utils.MakeRandomSlug(func(slug string) bool {
-	ac.Slug = utils.MakeUniqueSlug(source, func(slug string) bool {
 		filter := bson.M{playletmod.FN.Playlet.Slug: slug}
 		if excludeId > 0 {
 			filter[playletmod.FN.Playlet.Id] = bson.M{"$ne": excludeId}
@@ -219,16 +208,7 @@ func preparePlayletSlugOnUpdate(ctx context.Context, id int64, info *playletmod.
 		}
 		return nil
 	}
-	title := info.Title
+	newSlug := utils.MakeRandomSlug(func(s string) bool {
-	if req.Title != nil {
-		title = strings.TrimSpace(*req.Title)
-	}
-	keywords := info.SeoInfo.Keyworld
-	if req.SeoInfo != nil {
-		keywords = normalizeSeoValue(*req.SeoInfo).Keyworld
-	}
-	source := utils.SlugSourceFromKeywordsOrTitle(keywords, title)
-	newSlug := utils.MakeUniqueSlug(source, func(s string) bool {
 		exist, _ := playletmod.FindOnePlaylet(ctx, bson.M{
 			playletmod.FN.Playlet.Slug: s,
 			playletmod.FN.Playlet.Id:   bson.M{"$ne": id},