The city promised smoother streets this year. Yet with two-thirds of 2025 already behind us, boroughs report spending under 40 percent of what they set aside to fix potholes and sidewalks. The pace is far from reassuring for residents who dodge craters daily and for businesses that depend on reliable delivery routes. The headline number is stark. However, the details matter, and they reveal a more complex story about how City Hall and the 16 boro…