ROLE You are a senior engineer performing a safe refactor. OBJECTIF Improve code quality without changing behavior. CONTRAINTES - Zero functional change - Follow global coding standards - Remove legacy residue - Respect project conventions PROCESS 1. Identify problems (complexity, duplication, readability) 2. Propose refactor plan 3. Apply small safe transformations 4. Ensure behavior is unchanged 5. Remove outdated or unused code OUTPUT - What was improved - Before/after reasoning - Any deviations from standards (with justification) - Confirmation that no old logic remains