feat: expose site config in public/admin config responses

src/model/data/settings_data.go

@@ -158,6 +158,32 @@ var sensitiveSettingKeys = []string{
 	mdb.SettingKeyInitAdminPasswordChanged,
 }
 
+func getFirstNonEmptySetting(fallback string, keys ...string) string {
+	for _, key := range keys {
+		value := strings.TrimSpace(GetSettingString(key, ""))
+		if value != "" {
+			return value
+		}
+	}
+	return fallback
+}
+
+func GetBrandCashierName() string {
+	return getFirstNonEmptySetting("", mdb.SettingKeyBrandCheckoutName, mdb.SettingKeyBrandSiteName)
+}
+
+func GetBrandLogoURL() string {
+	return strings.TrimSpace(GetSettingString(mdb.SettingKeyBrandLogoUrl, ""))
+}
+
+func GetBrandWebsiteTitle() string {
+	return getFirstNonEmptySetting("", mdb.SettingKeyBrandSiteTitle, mdb.SettingKeyBrandPageTitle)
+}
+
+func GetBrandSupportURL() string {
+	return strings.TrimSpace(GetSettingString(mdb.SettingKeyBrandSupportUrl, ""))
+}
+
 // OkPay settings helpers keep the provider-specific defaults in one place so
 // business logic does not need to repeat raw settings keys.
 func GetOkPayEnabled() bool {

src/model/mdb/settings.go

@@ -30,9 +30,12 @@ const (
 	SettingKeyInitAdminPasswordFetched = "system.init_admin_password_fetched"
 	SettingKeyInitAdminPasswordChanged = "system.init_admin_password_changed"
 	SettingKeyOrderExpiration          = "system.order_expiration_time"
+	SettingKeyBrandCheckoutName        = "brand.checkout_name"
 	SettingKeyBrandSiteName            = "brand.site_name"
 	SettingKeyBrandLogoUrl             = "brand.logo_url"
+	SettingKeyBrandSiteTitle           = "brand.site_title"
 	SettingKeyBrandPageTitle           = "brand.page_title"
+	SettingKeyBrandSuccessCopy         = "brand.success_copy"
 	SettingKeyBrandPaySuccess          = "brand.pay_success_text"
 	SettingKeyBrandSupportUrl          = "brand.support_url"
 	SettingKeyRateForcedUsdt           = "rate.forced_usdt_rate"

src/model/response/support_response.go

@@ -11,6 +11,13 @@ type EpayPublicConfig struct {
 	DefaultNetwork  string `json:"default_network" example:"tron"`
 }
 
+type SitePublicConfig struct {
+	CashierName  string `json:"cashier_name" example:"Acme Cashier"`
+	LogoURL      string `json:"logo_url" example:"https://cdn.example.com/logo.png"`
+	WebsiteTitle string `json:"website_title" example:"Acme Payments"`
+	SupportLink  string `json:"support_link" example:"https://example.com/support"`
+}
+
 type OkPayPublicConfig struct {
 	Enabled        bool     `json:"enabled" example:"true"`
 	AllowTokens    []string `json:"allow_tokens" example:"USDT,TRX"`
@@ -24,6 +31,7 @@ type OkPayPublicConfig struct {
 
 type PublicConfigResponse struct {
 	SupportedAssets []NetworkTokenSupport `json:"supported_assets"`
+	Site            SitePublicConfig      `json:"site"`
 	Epay            EpayPublicConfig      `json:"epay"`
 	OkPay           OkPayPublicConfig     `json:"okpay"`
 }