feat(publish): 德穆兰选项支持后台开关并默认打开下赛季通行证

backend/internal/modules/systemconfig/dto.go

@@ -121,7 +121,9 @@ type HomeBannerHotspot struct {
 
 type PublishOptionsDTO struct {
 	// SchemaVersion 发布选项结构版本；缺省 0 代表未版本化的历史配置。
+	// UnlockDemulanEnabled 发布页是否展示「是否解锁德穆兰」选项。
 	SchemaVersion         int                     `json:"schema_version,omitempty"`
+	UnlockDemulanEnabled  bool                    `json:"unlock_demulan_enabled"`
 	NextSeasonPassEnabled bool                    `json:"next_season_pass_enabled"`
 	ServerOptions         []string                `json:"server_options"`
 	FaceOptions           []string                `json:"face_options"`

backend/internal/modules/systemconfig/publish_options.go

@@ -3,8 +3,10 @@ package systemconfig
 import "encoding/json"
 
 const (
+	// publishOptionsSchemaVersion 发布选项结构版本；v2 新增「是否解锁德穆兰」开关（默认关闭），
+	// 并把「下赛季是否购买通行证」默认打开。
+	publishOptionsSchemaVersion = 2
 	publishOptionsConfigKey     = "listing.publish_options"
-	publishOptionsSchemaVersion = 1
 )
 
 func defaultPublishOptionsConfigValue() string {
@@ -18,7 +20,8 @@ func defaultPublishOptionsConfigValue() string {
 func DefaultPublishOptions() PublishOptionsDTO {
 	return PublishOptionsDTO{
 		SchemaVersion:         publishOptionsSchemaVersion,
-		NextSeasonPassEnabled: false,
+		UnlockDemulanEnabled:  false,
+		NextSeasonPassEnabled: true,
 		ServerOptions:         []string{"QQ", "微信", "Steam"},
 		FaceOptions:           []string{"是", "否"},
 		RankOptions:           []string{"青铜", "白银", "黄金", "铂金", "钻石", "黑鹰", "三角洲巅峰"},

backend/internal/modules/systemconfig/publish_options_test.go

@@ -106,6 +106,53 @@ func TestNormalizePublishOptionsValuePreservesCurrentSchema(t *testing.T) {
 	}
 }
 
+func TestNormalizePublishOptionsValueMigratesSchemaV1Switches(t *testing.T) {
+	legacy := `{"schema_version":1,"next_season_pass_enabled":false,"server_options":["QQ"]}`
+
+	normalized, err := normalizePublishOptionsValue(legacy)
+	if err != nil {
+		t.Fatalf("规范化失败: %v", err)
+	}
+	var got PublishOptionsDTO
+	if err := json.Unmarshal([]byte(normalized), &got); err != nil {
+		t.Fatalf("解析规范化结果失败: %v", err)
+	}
+	if got.SchemaVersion != publishOptionsSchemaVersion {
+		t.Fatalf("schema_version = %d, want %d", got.SchemaVersion, publishOptionsSchemaVersion)
+	}
+	if got.UnlockDemulanEnabled {
+		t.Fatal("v1 升级后「是否解锁德穆兰」应默认关闭")
+	}
+	if !got.NextSeasonPassEnabled {
+		t.Fatal("v1 升级后「下赛季是否购买通行证」应默认打开")
+	}
+}
+
+func TestNormalizePublishOptionsValueKeepsSchemaV2Switches(t *testing.T) {
+	options := DefaultPublishOptions()
+	options.UnlockDemulanEnabled = true
+	options.NextSeasonPassEnabled = false
+	raw, err := json.Marshal(options)
+	if err != nil {
+		t.Fatalf("构造配置失败: %v", err)
+	}
+
+	normalized, err := normalizePublishOptionsValue(string(raw))
+	if err != nil {
+		t.Fatalf("规范化失败: %v", err)
+	}
+	var got PublishOptionsDTO
+	if err := json.Unmarshal([]byte(normalized), &got); err != nil {
+		t.Fatalf("解析规范化结果失败: %v", err)
+	}
+	if !got.UnlockDemulanEnabled {
+		t.Fatal("v2 配置中后台手动开启的德穆兰开关不应被覆盖")
+	}
+	if got.NextSeasonPassEnabled {
+		t.Fatal("v2 配置中后台手动关闭的通行证开关不应被覆盖")
+	}
+}
+
 func TestNormalizePublishOptionsValueRepairsMojibake(t *testing.T) {
 	options := DefaultPublishOptions()
 	raw, err := json.Marshal(options)

backend/internal/modules/systemconfig/repository.go

@@ -330,6 +330,7 @@ func normalizePublishOptionsValue(value string) (string, error) {
 	if err := json.Unmarshal([]byte(value), &fields); err != nil {
 		return "", err
 	}
+	originalVersion := options.SchemaVersion
 	if options.SchemaVersion < publishOptionsSchemaVersion {
 		if hasLegacyPublishQuantityItem(options.QuantityItems) {
 			options = DefaultPublishOptions()
@@ -342,6 +343,12 @@ func normalizePublishOptionsValue(value string) (string, error) {
 	} else {
 		normalizePublishOptions(&options)
 	}
+	// v2 一次性迁移：新增「是否解锁德穆兰」开关并默认关闭，同时打开「下赛季是否购买通行证」。
+	// 已经是 v2 的配置不再覆盖，保留后台手动调整的结果。
+	if originalVersion < 2 {
+		options.UnlockDemulanEnabled = false
+		options.NextSeasonPassEnabled = true
+	}
 	options.SchemaVersion = publishOptionsSchemaVersion
 	raw, err := json.Marshal(options)
 	if err != nil {