ClassName template literal is hard to read. Extract conditional classes into a variable or use a helper like clsx.
Consider moving the tabs array outside the component to avoid recreating it on every render.
Exact pathname match may not highlight parent tab for nested routes (e.g., /jefe/dashboard/123). Consider using pathname.startsWith(t.href).
Magic number 24 for max hours. Define as constant for maintainability.
No pagination on findMany; could return large dataset. Consider adding take/skip or cursor pagination.
req.json() throws on invalid JSON, resulting in 500. Wrap in try-catch to return 400.
Inconsistent return types in ternary: string vs React element. Use a string for both branches.
Ensure resultado.turno includes the same include relations (auto, tipoServicio, jefeMecanico) as before for client compatibility.