This is a great post, thanks for sharing! Over the last couple months I fell into my own unique (but similar) spec driven workflow and couldn’t help but start building my own tooling around it. Since you’ve clearly thought so much about this I would really value any feedback / criticism / reactions you have.

https://acai.sh

I find the added structure of yaml + requirement ids helps tremendously compared to plain markdown -

https://acai.sh/writing-specs

I am still a few days away from open sourcing the stack (CLI / API & Server), plan is to gather as much feedback as I can and decide if this is worth maintaining.