March 2026 monthly summary for google/adk-samples: Delivered the Multi-Agent Energy Optimization System feature, introducing a Supply Chain AI Agent that analyzes real-time data, demand forecasts, and external factors to optimize the power and energy supply chain. No major bugs were reported this month; the focus was on reliable feature delivery and QA of the new sample. The initiative increased modeling accuracy, enabled faster scenario evaluation, and established a reusable AI-driven workflow for energy planning, setting the stage for broader deployment across domains. Technologies demonstrated include multi-agent architectures, real-time data processing, AI agent integration, and collaborative development (co-authored commit).