refactor backend API structure

internal/httpapi/admin/shared/settings_validation.go

@@ -0,0 +1,35 @@
+package shared
+
+import (
+	"strings"
+
+	"ds2api/internal/config"
+)
+
+func normalizeSettingsConfig(c *config.Config) {
+	if c == nil {
+		return
+	}
+	c.Admin.PasswordHash = strings.TrimSpace(c.Admin.PasswordHash)
+	c.Embeddings.Provider = strings.TrimSpace(c.Embeddings.Provider)
+}
+
+func NormalizeSettingsConfig(c *config.Config) {
+	normalizeSettingsConfig(c)
+}
+
+func validateSettingsConfig(c config.Config) error {
+	return config.ValidateConfig(c)
+}
+
+func ValidateSettingsConfig(c config.Config) error {
+	return validateSettingsConfig(c)
+}
+
+func validateRuntimeSettings(runtime config.RuntimeConfig) error {
+	return config.ValidateRuntimeConfig(runtime)
+}
+
+func ValidateRuntimeSettings(runtime config.RuntimeConfig) error {
+	return validateRuntimeSettings(runtime)
+}