chore: sync public mirror from internal

[evalops-mirror]

Summary

• sync the sanitized public tree from dx-corp/mono
• keep dx-corp/code as a generated public mirror of the private source of truth
• preserve public-owned CI and trusted-publishing workflows from the public checkout
• internal source SHA: 2283b0b186fcab14fb2da2b58203f59522ccfcc0
• last generated public sync base: 9ee0b79f0f789db33a877ebc134d67500a04d573
• previewed public-tree drift: 27 file(s) to copy/update and 0 stale file(s) to delete
• public-only commits since last generated sync: 0
• to pause generated syncs while hand-editing this branch, apply the sync-hold label to this PR; the sync workflow skips every push while it is set

Source-of-truth status

Projection: deixic-code

• Source: dx-corp/mono@2283b0b186fcab14fb2da2b58203f59522ccfcc0

• Prior destination base: 9ee0b79

• Content SHA-256: 92cd365a6ecde13575d354a172d727b2d98690a8901e4091f5a39a684ed4029c

• Result: drift_detected; 27 changed, 0 deleted

• Destination-owned content is preserved. Destination CI is a separate health signal.

• copy/update .repository-projection.json

• copy/update CHANGELOG.md

• copy/update Cargo.lock

• copy/update package-lock.json

• copy/update package.json

• copy/update packages/maestro-rs/Cargo.toml

• copy/update vendor/dex-loop/Cargo.toml

• copy/update vendor/dex-loop/README.md

• copy/update vendor/dex-loop/src/budget.rs

• copy/update vendor/dex-loop/src/compaction.rs

• copy/update vendor/dex-loop/src/context.rs

• copy/update vendor/dex-loop/src/engine.rs

• copy/update vendor/dex-loop/src/event.rs

• copy/update vendor/dex-loop/src/lib.rs

• copy/update vendor/dex-loop/src/ports.rs

• copy/update vendor/dex-loop/src/rehydrate.rs

• copy/update vendor/dex-loop/src/sanitize.rs

• copy/update vendor/dex-loop/tests/authorized_tools.rs

• copy/update vendor/dex-loop/tests/client_tool_replay.rs

• copy/update vendor/dex-loop/tests/scenarios.rs

Drift sample

• copy/update .repository-projection.json
• copy/update CHANGELOG.md
• copy/update Cargo.lock
• copy/update package-lock.json
• copy/update package.json
• copy/update packages/maestro-rs/Cargo.toml
• copy/update vendor/dex-loop/Cargo.toml
• copy/update vendor/dex-loop/README.md
• copy/update vendor/dex-loop/src/budget.rs
• copy/update vendor/dex-loop/src/compaction.rs
• copy/update vendor/dex-loop/src/context.rs
• copy/update vendor/dex-loop/src/engine.rs
• copy/update vendor/dex-loop/src/event.rs
• copy/update vendor/dex-loop/src/lib.rs
• copy/update vendor/dex-loop/src/ports.rs
• copy/update vendor/dex-loop/src/rehydrate.rs
• copy/update vendor/dex-loop/src/sanitize.rs
• copy/update vendor/dex-loop/tests/authorized_tools.rs
• copy/update vendor/dex-loop/tests/client_tool_replay.rs
• copy/update vendor/dex-loop/tests/scenarios.rs

Public-only commits since last generated sync

• none detected since last generated sync

Validation

• generated by the sync-public-release-mirror workflow in public-tree mode

Test Plan

• generated by the maestro-sync-public-release-mirror workflow in public-tree mode
• public-source-provenance require-internal-pr confirms internal source PR lineage
• generated mirror PRs use the slim public CI path (fmt/clippy/smoke + provenance); full cargo test/evals already ran on internal main for this SHA
• bot review threads on generated mirror PRs are advisory and do not block the next sync update

Staged Rollout

• Staging is unnecessary for this generated mirror PR: it does not independently promote user-visible behavior. It mirrors already-reviewed internal source from dx-corp/mono@2283b0b186fcab14fb2da2b58203f59522ccfcc0, including existing hidden/evaluation surfaces, and keeps public package parity behind the established public-source-provenance gate.

[evalops-mirror]

Resolved 0 review-bot thread(s) on this generated public mirror PR.
Left 0 human-started thread(s) unresolved.

Review of mirrored code belongs on the mono source PR.
See https://github.com/dx-corp/mono/issues/9100 for the triage pattern.

[chatgpt-codex-connector]

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Reviewed commit: 77931cf2db

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[chatgpt-codex-connector]

Avoid UTF-8-unsafe lexicon matching

With any non-empty Lexicon, a model text chunk containing multibyte Unicode can panic the turn before text is logged. For example, the configured term "Maestro" and a chunk "éééé" reach this slice at byte 7, which is inside the fourth é; Rust string slicing then panics. Compare byte slices (or otherwise ensure a character boundary) rather than slicing rest as a str, since this sanitizer runs for every streamed text chunk.

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