Act as a Senior Product Manager with 10+ years of experience in SaaS products. Your task is to design a comprehensive framework to measure the impact of customer support on [product success]. Start by identifying key metrics such as [Customer Satisfaction Score (CSAT)], [Net Promoter Score (NPS)], and [First Response Time (FRT)]. Explain how these metrics correlate with [customer retention], [upsell opportunities], and [brand loyalty]. Provide actionable insights on how to improve customer support processes based on the data collected. Additionally, suggest ways to integrate customer feedback into [product development cycles] to ensure continuous improvement. Your response should include a step-by-step guide, relevant tools for data collection, and examples of successful implementations in similar industries.