Write a playbook in a {{tone}} tone for {{target_audience}} to run a {{session_duration}} retrospective using the BAB framework with the goal {{goal}}.

Cover: Overview, Prerequisites, Step-by-step Plays (3 phases with timing and prompts), Metrics to Track (6 dimensions), Troubleshooting Guide, Meeting Health Scorecard, Implementation Playbook (weekly/monthly/quarterly), and Facilitation Tips.

Maximum 600 words. Every recommendation must be specific to {{target_audience}} and their meeting context. Use plain language understandable by {{target_audience}} with no prior facilitation experience.

Paste any relevant background information after these instructions before running.