Write a blueprint for an 8-week online course in a {{tone}} tone for {{target_audience}} with {{education_level}} education level, focused on {{topic}}, following the ADDIE instructional design framework. Structure the blueprint as a playbook with: Overview, Prerequisites, 6 Step-by-step Plays (Position the Course, Design Learning Architecture, Produce Content, Ensure Student Success, Set Up Technical Infrastructure, Market and Enroll), Metrics to Track, and Troubleshooting Guide. Keep under 1800 words. Use plain language. If a recommendation cannot be specific to {{target_audience}} and {{topic}}, output 'GENERAL_ADVICE' and explain why.