Agent skill

artifact-contract-auditor

Audit the workspace against the pipeline artifact contract (DONE outputs + pipeline target_artifacts). Writes `output/CONTRACT_REPORT.md`. **Trigger**: contract audit, artifact contract, missing artifacts, target_artifacts, CONTRACT_REPORT. **Use when**: you want an auditable PASS/FAIL view of whether a workspace is complete and self-contained (end of run or before sharing). **Skip if**: you are still intentionally mid-run and don’t care about completeness yet (but it’s still useful as a snapshot). **Network**: none. **Guardrail**: analysis-only; do not edit content artifacts; only write the report.

View SKILL.md on GitHub Repository
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Install this agent skill to your Project

npx add-skill https://github.com/WILLOSCAR/research-units-pipeline-skills/tree/main/.codex/skills/artifact-contract-auditor

SKILL.md

Artifact Contract Auditor

Purpose: make each workspace auditable and shareable.

This skill checks two contracts:

  1. Units contract: if a unit is marked DONE, its required outputs must exist.
  2. Pipeline contract: the pipeline’s target_artifacts (from the pipeline spec referenced by PIPELINE.lock.md) should exist for a complete run.

It always writes a report so workspaces can serve as regression baselines.

Inputs

  • UNITS.csv
  • PIPELINE.lock.md
  • Pipeline spec referenced by PIPELINE.lock.md (under pipelines/*.pipeline.md; reads YAML target_artifacts)

Outputs

  • output/CONTRACT_REPORT.md

Workflow (analysis-only)

  1. Read UNITS.csv and validate DONE outputs
  • For every unit with status=DONE, verify each required output exists.
  • Outputs prefixed with ? are treated as optional and do not fail the contract.
  1. Read PIPELINE.lock.md and validate pipeline target artifacts
  • Resolve the pipeline spec under pipelines/*.pipeline.md and load target_artifacts from its YAML front matter.
  • Resolve the pipeline spec path and load target_artifacts from its YAML front matter.
  • If the pipeline is complete (all units are DONE/SKIP), verify each required target_artifacts file exists.
  1. Write output/CONTRACT_REPORT.md (always)
  • Include missing DONE outputs (unit-level drift) and missing pipeline targets (pipeline-level completeness drift).

Status semantics

  • PASS: pipeline complete (all units DONE/SKIP) AND all required target artifacts exist AND no DONE unit is missing required outputs.
  • OK: pipeline incomplete (still running) BUT DONE unit outputs are consistent; missing targets are expected.
  • FAIL: at least one DONE unit is missing required outputs OR pipeline is complete but required target artifacts are missing.

How to use this report (self-loop routing)

  • If DONE outputs are missing: fix the contract drift (regenerate the missing artifacts, or revert the unit status to TODO/BLOCKED).
  • If the pipeline is complete but target artifacts are missing: find which unit/skill owns each missing artifact and rerun that unit.

Script

Quick Start

  • python .codex/skills/artifact-contract-auditor/scripts/run.py --workspace workspaces/<ws>

All Options

  • --workspace <dir>
  • --unit-id <U###> (optional)
  • --inputs <semicolon-separated> (unused; runner compatibility)
  • --outputs <semicolon-separated> (unused; runner compatibility)
  • --checkpoint <C#> (optional)

Examples

  • End-of-run audit (recommended before sharing a workspace):
    • python .codex/skills/artifact-contract-auditor/scripts/run.py --workspace workspaces/<ws>

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