Series

Start from the topic that matches how you want to read the design background.

Problem Series

Problem notes about long-lived business UI, state drift, runtime boundaries, and operational safety.

Design Series

Architecture notes explaining why Cotomy uses its current boundaries, lifecycle model, and type structure.

Development Backstory

Development memories and turning points behind Cotomy's UI runtime and form abstractions.

Misc

Field notes on AI-assisted development, solo work, small-team continuity, and practical design pressure.