Recommended workflow to work on phases in parallel?

[peterjuras]

Hi!

I've created the roadmap for a milestone that includes multiple phases and some of them can be worked on independently according to gsd.

What is the recommended workflow to work on phases in parallel? I've tried to use the workstreams & workspaces commands, however they feel very heavyweight and like I'm doing something wrong. For example when using workspaces it asks me whether to map the codebase first in the new worktree, but this should not be needed?

[trek-e]

v1.31.0 adds several features for parallel phase work:

1. /gsd:autonomous --only N — Execute a single phase, then repeat for another
2. /gsd:workstreams — Namespace isolation for parallel work
3. project_code config — Prefix phase directories to avoid numbering collisions
4. workflow.use_worktrees: false — If worktree conflicts are an issue

The recommended flow for independent phases:

/gsd:discuss-phase 3
/gsd:discuss-phase 4
/gsd:autonomous --only 3   # in one terminal
/gsd:autonomous --only 4   # in another terminal

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