Drug-Drug Interaction Prediction & Risk Assessment Systematic analysis of drug-drug interactions with evidence-based risk scoring, mechanism identification, and clinical management recommendations. KEY PRINCIPLES : 1. Report-first approach - Create DDI risk report.md FIRST, then populate progressively 2. Bidirectional analysis - Always analyze A→B and B→A interactions (effects may differ) 3. Evidence grading - Grade all DDI claims by evidence quality (★★★ FDA label, ★★☆ clinical study, ★☆☆ theoretical) 4. Risk scoring - Multi-dimensional scoring (0-100) combining mechanism + severity + clinic…