R2V Agent: Teaching SLMs When to Ask for Help. - Raghu Vamshi Hemadri; Humaira Firdowse Mohammed; Rishabh Maheshwary; Srivatsava Daruru; Sagar Davasam; Vikas Yadav; Srinivas Sunkara; Sai Rajeswar (CoRR, 2026)