feat(*): 模型计费与渠道目录 - 支持视频 Token 报价结算和稳定模型展示

backend/internal/database/migrations.go

@@ -11,7 +11,7 @@ import (
 	"gorm.io/gorm"
 )
 
-const CurrentSchemaVersion int64 = 23
+const CurrentSchemaVersion int64 = 26
 
 const baselineSchemaChecksum = "sha256:open-ai-canvas-schema-v1-20260830"
 const schemaMigrationAppliedAtIndexChecksum = "sha256:schema-migrations-applied-at-index-v2-20260830"
@@ -89,6 +89,34 @@ var schemaMigrations = []migration{
 	{version: 23, name: "canvas_revision_history", checksum: "sha256:canvas-revision-history-v23-20260918", apply: func(tx *gorm.DB) error {
 		return tx.AutoMigrate(&model.CanvasProject{}, &model.CanvasSnapshot{}, &model.CanvasSnapshotResource{})
 	}},
+	{version: 24, name: "channel_model_label", checksum: "sha256:channel-model-label-v24", apply: migrateChannelModelLabel},
+	{version: 25, name: "video_token_formula_snapshot", checksum: "sha256:video-token-formula-snapshot-v25", apply: migrateVideoTokenFormulaSnapshot},
+	{version: 26, name: "channel_model_description", checksum: "sha256:channel-model-description-v26", apply: migrateChannelModelDescription},
+}
+
+func migrateChannelModelDescription(tx *gorm.DB) error {
+	if tx.Migrator().HasColumn(&model.ChannelModel{}, "Description") {
+		return nil
+	}
+	return tx.Migrator().AddColumn(&model.ChannelModel{}, "Description")
+}
+
+func migrateVideoTokenFormulaSnapshot(tx *gorm.DB) error {
+	for _, field := range []string{"VideoFormulaTokens", "UsageSource"} {
+		if !tx.Migrator().HasColumn(&model.BillingOrder{}, field) {
+			if err := tx.Migrator().AddColumn(&model.BillingOrder{}, field); err != nil {
+				return fmt.Errorf("增加视频 Token 结算字段 %s：%w", field, err)
+			}
+		}
+	}
+	return nil
+}
+
+func migrateChannelModelLabel(tx *gorm.DB) error {
+	if tx.Migrator().HasColumn(&model.ChannelModel{}, "ChannelLabel") {
+		return nil
+	}
+	return tx.Migrator().AddColumn(&model.ChannelModel{}, "ChannelLabel")
 }
 
 func migrateSchemaV14(tx *gorm.DB) error {