1. Define an experiment record TASK: Create an experiment record and identify every input needed to reproduce the model hash. Your method: Your evidence/result: Limitations and next action: 2. Compare metrics with their populations TASK: Read the partition metrics and write a baseline-comparison specification. Explain why test cannot choose a replacement version. Your method: Your evidence/result: Limitations and next action: 3. Track artifacts and promotion decisions TASK: Write a promotion decision for the supplied synthetic model and a rollback record template. Your method: Your evidence/result: Limitations and next action: