gsd-add-phase

Adding a new phase to a milestone roadmap involves automatically calculating the next sequential integer, generating a slug, creating a directory, and updating the STATE.md file to reflect project evolution.

Deterministic phase naming in roadmap management enforces sequential integer numbering for new phases, ensuring consistent directory creation and slug generation without reworking existing project plans.

Slug generation for an appended roadmap phase creates a uniquely named folder based on the newly computed integer phase, ensuring the directory structure matches the updated STATE.md evolution history.

Yes, you can extend a project roadmap without reworking existing phases by appending a new integer phase to the end of the current milestone, which validates inputs and records evolution history automatically.

Adding a milestone phase updates the STATE.md file by inserting the new sequential phase into the roadmap and recording the evolution history to maintain accurate project tracking.

If phase numbering validation fails during roadmap automation, the workflow prevents directory creation and STATE.md updates, ensuring only sequentially valid integer phases are appended to the current milestone.