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This release promotes the former prompt-upgrade package to Deep-Harness: a Codex skill for rigorous artifact improvement and AI-agent harness engineering. It replaces mode-based routing with one evidence-bounded, prompt-mediated lifecycle.
Highlights
- Renamed the skill to deep-harness / Deep-Harness.
- Narrowed activation: explicit invocation, substantive improvement, explicitly requested rigorous reasoning, or AI-agent harness engineering.
- Removed normal/thorough mode selection and universal default-on behavior.
- Added the evidence-bounded Intent Brief and direction-changing clarification threshold.
- Added AI-authored, linted Review Prompt Packets and Edit Prompt Packets.
- Added end-to-end traceability, Work Filter convergence, delegated implementation safeguards, ledger discipline, and independent verification.
- Removed the obsolete zero-skip companion after merging its safeguards into the current contract.
- Replaced the repository documentation with Codex/Deep-Harness installation and upgrade guidance.
Upgrade
cd ~/.codex/skills/deep-harness
git pull origin mainIf your Codex installation uses the personal agent-skill directory, update from ~/.agents/skills/deep-harness instead.