feat: SEO backend data (1/4)

internal/infrastructure/persistence/database/siteSeed.go

@@ -36,6 +36,7 @@ func ensureDefaultSite(tx *gorm.DB, publicURL string) (entity.Site, error) {
 		BaseURL:       baseURL,
 		DefaultRobots: domainSite.RobotsIndex,
 		IsDefault:     true,
+		TitleTemplate: domainSite.DefaultTitleTemplate,
 	}
 	if err := tx.Create(&seeded).Error; err != nil {
 		return entity.Site{}, err
@@ -50,3 +51,7 @@ func firstDefaultSite(tx *gorm.DB) (entity.Site, error) {
 	}
 	return found, nil
 }
+
+func BackfillSiteTitleTemplates(db *gorm.DB) error {
+	return db.Model(&entity.Site{}).Where("title_template IS NULL OR title_template = ''").UpdateColumn("title_template", domainSite.DefaultTitleTemplate).Error
+}