A 38-year-old man from rural Maharashtra with a 5-year history of lepromatous leprosy presents with acute onset fever, painful nodules on extensor surfaces, and tender nodular lesions on his shins. He has been compliant with multidrug therapy (MDT) for the past 8 weeks. Examination reveals erythematous, tender subcutaneous nodules and bilateral anterior uveitis. Histopathology shows neutrophilic infiltration with immune complex deposition. What is the most likely diagnosis?