A 32-year-old woman from rural Maharashtra presents with a painless, indurated ulcer on her left shin for 8 months. The ulcer has a punched-out appearance with undermined edges and a granulating base. She reports a history of pulmonary tuberculosis treated 2 years ago. Examination reveals regional lymphadenopathy. A biopsy shows caseating granulomas with acid-fast bacilli on Ziehl-Neelsen staining. Which type of cutaneous tuberculosis is most likely?