Robot based on the crossing of moving average in hull.

Existing MT5 EA already operational. Task is strictly limited to: 1. inspect existing code 2. isolate the exact root cause of one critical behavior 3. provide a written diagnosis first 4. implement a minimal fix only after approval No rewrite. No redesign. No refactoring. No optimization campaign. No architecture change. No new features. Developers proposing reconstruction or major improvements are not suitable for