Implement state machine patterns in C#/.NET#1

Draft

gaoziyin with Copilot wants to merge 3 commits into

mainfrom

copilot/add-state-machine-patterns

Commits on Dec 30, 2025

Initial plan
Copilot
committed
Implement state machine patterns in C#/.NET with examples and tests

Copilot
and
gaoziyin
committed
Fix encapsulation: make state machine field private and add internal transition method

Copilot
and
gaoziyin
committed