chore: release

[jdx]

🤖 New release

• mbx-cache-protocol: 0.5.8 -> 0.5.9 (✓ API compatible changes)
• mbx-cache-core: 0.10.0 -> 0.10.1 (✓ API compatible changes)
• mbx-cache-cargo: 0.1.8 -> 0.1.9 (✓ API compatible changes)
• mbx-cache-cc: 0.10.0 -> 0.10.1 (✓ API compatible changes)
• mbx-cache-rustc: 0.10.0 -> 0.10.1 (✓ API compatible changes)
• mbx-cache-store: 0.1.8 -> 0.1.9 (✓ API compatible changes)
• mbx: 1.1.0 -> 1.2.0 (✓ API compatible changes)

Changelog

mbx-cache-protocol

0.5.9 - 2026-08-31

Fixed

• document Cargo shim activation for agents (#233)

mbx-cache-core

0.10.1 - 2026-08-31

Fixed

• document Cargo shim activation for agents (#233)

Other

• bound remote cache prefetch work (#239)

mbx-cache-cargo

0.1.9 - 2026-08-31

Fixed

• document Cargo shim activation for agents (#233)

Other

• bound remote cache prefetch work (#239)

mbx-cache-cc

0.10.1 - 2026-08-31

Fixed

• document Cargo shim activation for agents (#233)

mbx-cache-rustc

0.10.1 - 2026-08-31

Fixed

• (cache) model rustc frontend parallelism flags (#238)
• document Cargo shim activation for agents (#233)

mbx-cache-store

0.1.9 - 2026-08-31

Fixed

• document Cargo shim activation for agents (#233)

mbx

1.2.0 - 2026-08-31

Added

• support Mercurial and Sapling checkouts (#232)

Fixed

• (setup) prevent Cargo shim recursion after HOME changes (#234)
• document Cargo shim activation for agents (#233)
• support Delta worktrees (#231)

Other

• bound remote cache prefetch work (#239)

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This PR was generated with release-plz.

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Note

Low Risk
Mechanical release metadata only; behavioral risk is whatever already landed on main and is summarized in the new changelog entries, not new code in this PR.

Overview
Release-plz cut for 2026-08-31: this PR only bumps workspace versions, syncs Cargo.lock, adds dated changelog sections, tightens path dependency version pins, and updates the generated CLI doc version string to 1.2.0. No application source changes appear in the diff.

mbx 1.2.0 documents checkout/worktree support (Mercurial, Sapling, Delta), a setup fix for Cargo shim recursion when HOME changes, agent docs for Cargo shim activation, and bounded remote cache prefetch work.

Cache crates get compatible patch releases (mbx-cache-core / -cc / -rustc 0.10.1, -protocol 0.5.9, -cargo / -store 0.1.9), with mbx-cache-rustc also noting improved modeling of rustc frontend parallelism flags in cache keys.

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