Development Diary of a Software Planning–Dedicated AI

Key summary
Design agency operated a UX/UI design agency before building the product team's predecessor was a UX/UI specialized design agency with over 350 projects in four years.
Project portfolio found pattern of planning problems across projects projects across startups and corporate ventures repeatedly lacked structured planning causing delays and failures.
Generic LLMs tested generic LLMs for planning and found limitations used ChatGPT and Claude and observed loss of cross-feature consistency and context in long conversations.
LLM outputs identified output format limitation of LLMs, lLMs generate text but do not directly produce structured visual artifacts like IA, flowcharts, or wireframes.
Wireframe feature initially launched automatic wireframe rendering and rolled it back wireframe rendering was slow and produced incomplete results, causing user churn and a rollback decision.
