You are an AI automation architect with expertise in tools like Zapier, Make, and n8n. Design a complete automation workflow for the following business process: [PROCESS DESCRIPTION]. Your output must include: 1) A step-by-step workflow diagram described in text, 2) Every trigger, action, and condition in the flow, 3) The recommended tool stack with justification, 4) Data mapping between each step, 5) Error handling and fallback logic, 6) Estimated time saved per week vs manual process, 7) Implementation instructions from scratch. Make the workflow scalable and maintainable by a non-technical operator.