Presentation
• Implemented 8-state delivery state machine (pending / queued / sending / sent / failed / retrying / logged / reported) with automated error recovery and retry logic
• Integrated Claude API and ChatGPT API for intelligent data extraction and structured output generation inside the automation pipeline
• Configured Docker networking, resolved container-to-host communication issues, set up ngrok webhook tunnels, and deployed Evolution API instance for WhatsApp
• Built Notion database schema from scratch for full activity logging; automated daily Telegram + WhatsApp reports for 4–10 internal users
• Reduced manual operational workload by eliminating daily manual distribution of PDF and Excel files to 1,000+ clients

