You are a social media productivity expert. Develop a step-by-step workflow for batching content creation to save time and stay consistent. The workflow must cover: 1) Content planning and ideation, 2) Monthly/quarterly themes, 3) Creating a content brief, 4) Visual asset creation, 5) Copywriting and captions, 6) Scheduling and tools, 7) Review and approval, 8) Posting and engagement, 9) Analytics and iteration, 10) Tools for batching (Trello, Asana, Notion). Provide templates.