gsd-insert-phase

To insert an urgent phase into a project roadmap without renumbering subsequent phases, use decimal numbering to slot the new task between two consecutive milestones, such as adding phase 72.1 between phases 72 and 73.

Decimal phase numbering in project management assigns decimal suffixes like 72.1 to new phases, and it is needed when urgent work is discovered mid-milestone and must be sequenced without disrupting planned downstream timelines.

To add a decimal phase to an existing milestone sequence, you need to provide the after-phase number where the insertion occurs and a concise description of the urgent task to update the roadmap state accordingly.

Yes, the roadmap insertion process validates the target phase by verifying the after-phase exists, ensuring proper decimal numbering calculation, and preventing numbering conflicts to maintain roadmap safety.

When you insert a decimal phase between two consecutive roadmap phases, the system calculates the correct decimal suffix, validates the target phase, and updates the roadmap state to preserve the existing milestone order.