Built an AI-powered project management automation system using n8n + Google Gemini AI to handle the full task lifecycle with zero manual intervention. Features 5 workflows: smart task assignment, proactive progress tracking, AI performance evaluation, Telegram manager bot, and task completion flow. Achieved 0% manual emails, 80% less manager oversight, real-time risk detection, and full audit trails. Engineered modular, scalable workflows with robust JSON parsing, validation, error handling, and node consolidation.