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ruvnet/ruflo236 installs

harness-drift-from-history

One-command drift detection. Composes audit-list + oia-audit + audit-trend into a single primitive — finds the most recent audit in `metaharness-audit` namespace, runs a fresh audit against the current repo, diffs them via ADR-152 §3.1 similarity, and alerts when structural distance crosses `--threshold`. Iter 53 of ADR-150 deep integration.

How do I install this agent skill?

npx skills add https://github.com/ruvnet/ruflo --skill harness-drift-from-history
view source ↗

Is this agent skill safe to install?

  • Gen Agent Trust Hubpass

    The skill provides a streamlined command for detecting architectural drift by comparing current project audits with historical records stored in the metaharness-audit namespace. It utilizes standard CLI tools and repository-specific logic to alert when structural changes exceed a defined threshold.

  • Socketwarn

    1 alert: gptAnomaly

  • Snykwarn

    Risk: MEDIUM · 1 issue

What does this agent skill do?

The natural ops question after running oia-audit weekly is "did anything drift?" Before this skill, the answer required a three-step sequence:

npx ruflo metaharness audit-list --format json   # → pick a key by hand
npx ruflo metaharness oia-audit --format json > /tmp/curr.json
npx ruflo metaharness audit-trend \
  --baseline-key <picked-key> --current /tmp/curr.json \
  --alert-on-distance-below 0.95

This skill collapses it into one command:

npx ruflo metaharness drift-from-history --threshold 0.95

What it does

  1. Lists records from metaharness-audit namespace via audit-list.mjs
  2. Picks the most recent record by startedAt (or --baseline-since 7d skips anything newer than 7 days)
  3. Runs a fresh oia-audit against the current path
  4. Diffs the two via audit-trend, applying --alert-on-distance-below ${threshold}
  5. Returns the structured drift report

Architectural constraint inheritance (ADR-150)

ConstraintHow drift-from-history satisfies it
RemovablePure subprocess composition over existing scripts — no new @metaharness/* import
OptionalIf oia-audit reports degraded:true, this skill exits 3 with a degraded payload
GracefulEmpty audit history → exit 2 with hint to seed it; never crashes
CI-gateSmoke step 17z16 anchors the dispatcher entry + subcommand listing

Exit codes

  • 0 — similarity ≥ threshold (or threshold not crossed)
  • 1 — drift detected: similarity < threshold (alert fired)
  • 2 — config error (no history, audit-list failed)
  • 3 — upstream metaharness absent (degraded payload returned)

Example

$ npx ruflo metaharness drift-from-history --threshold 0.95
# drift-from-history

Baseline:        audit-2026-06-16T22-58-47-840Z
Current:         2026-06-16T23:05:02.231Z

Structural similarity: 1 (near-identical)
Distance:              0

✓ similarity ≥ 0.95 — OK

Implementation

scripts/drift-from-history.mjs

Add the canonical catalog link to the repository README so users can inspect current installs and available audits. The publishing guide covers the complete discovery path.

<a href="https://skillzs.dev/skills/ruvnet/ruflo/harness-drift-from-history">View harness-drift-from-history on skillZs</a>