compose: add wrapper-first dogfood agent workspace #1487

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opened 2026-08-30 20:57:54 +00:00 by marcie · 0 comments
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Scope

Add an explicit Compose dogfood mode that lets one in-stack agent read a mounted stack checkout, push under a dedicated seat-grade identity, and open a PR through the bundled Mosaic git wrapper.

Acceptance

  • Gateway runtime image contains the Mosaic git credential helper and PR wrapper dependencies.
  • Dogfood Compose override requires an external repo path, brain home, and identity. It does not expose a shared coordination credential.
  • Agent sandbox is limited to the mounted stack checkout.
  • A live in-stack agent opens a PR against next through pr-create.sh.
  • CI runs on that PR.

Tracks stack-containerization lane B2-B4.

## Scope Add an explicit Compose dogfood mode that lets one in-stack agent read a mounted stack checkout, push under a dedicated seat-grade identity, and open a PR through the bundled Mosaic git wrapper. ## Acceptance - Gateway runtime image contains the Mosaic git credential helper and PR wrapper dependencies. - Dogfood Compose override requires an external repo path, brain home, and identity. It does not expose a shared coordination credential. - Agent sandbox is limited to the mounted stack checkout. - A live in-stack agent opens a PR against next through pr-create.sh. - CI runs on that PR. Tracks stack-containerization lane B2-B4.
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Reference: mosaicstack/stack#1487