add: implement shortlink

internal/auth/jwt.go

@@ -170,3 +170,13 @@ func (m *JWTManager) ValidateToken(tokenString string) (*CustomClaims, error) {
 
 	return claims, nil
 }
+
+// GetAccessExpiry returns the configured access token expiry duration
+func (m *JWTManager) GetAccessExpiry() time.Duration {
+	return m.accessExpiry
+}
+
+// GetRefreshExpiry returns the configured refresh token expiry duration
+func (m *JWTManager) GetRefreshExpiry() time.Duration {
+	return m.refreshExpiry
+}