[jdx]

🤖 New release: v1.40.0

This PR bumps the workspace to v1.40.0 and regenerates CHANGELOG entries, aube.usage.kdl, the CLI docs, and the benchmark results.

See the diff for the full set of changes, or the per-crate CHANGELOG.md files for the release notes that will ship.

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Generated by the release-plz-pr workflow.

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Note

Low Risk
Mechanical release-plz version and changelog sync with no runtime code changes in the diff.

Overview
Release PR that bumps the workspace from 1.39.0 to 1.40.0 and syncs generated release artifacts.

Updates [workspace.package].version in Cargo.toml, matching entries in Cargo.lock, release.json (with a new releasedAt), aube.usage.kdl, docs/cli/commands.json, and docs/cli/index.md. Adds 1.40.0 sections to each crate’s CHANGELOG.md, documenting the user-facing change already landed on main: embed hosts can receive lifecycle script output (#1284), plus housekeeping notes (benchmark refresh #1285, Star History link updates).

No application logic changes in this diff—only versioning and release metadata.

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[greptile-apps]

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