Deliver both projects end to end

Problem → data → baseline → ≥ 6 models → tuning → final test → saved pipeline → Gradio demo → 2-page report each. Concepts: Integrates every step M00–S13 Project A: German Credit: cost-optimal classifier with reason codes and a fairness check. Project B: Electricity Demand: day-ahead forecaster that beats lag-168 and is compared honestly with the TSO forecast.