Jason directed: build Pi TUI → Gateway → Discord communication
spine before backfilling horizontal layers.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Break PRD into 8 milestones (Phase 0–7) with 59 issues on Gitea.
Populate TASKS.md, update mission manifest, initialize scratchpad.
Repo created at git.mosaicstack.dev/mosaic/mosaic-stack.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>