I took Anthropic's SDLC playbook and tried to build my own CRM. One that I can actually use, not just agent slop.
This is what happened when I put the process to work: intent, design, planning, building, testing, deployment and maintenance. What helped, where I got lost, and what I changed along the way.
The experiment also sent me into visual planning with plan-html, feedback loops with bubble-fix, and a separate comparison of Codex, Claude Code and DeepSeek on Pi.
