← Nexus Content Pipeline
HARNESS.md
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Nexus Content Pipeline — Harness (v3)

Topology

  • Pattern: pipeline + fan-out
  • Agents: 3
    • NexusPlanner (LangGraph) — brief + outline
    • NexusWriter (Claude Sonnet) — 3 draft variants in parallel
    • NexusEditor (LangGraph) — pick-best, finish, SEO + brand-voice check

Oversight

  • Human review gate before publish.

Notes

  • Fan-out + pick-best raised throughput without loosening the quality gate

Version history (3)

How HARNESS.md evolved across versions.

  1. v3Jun 25, 2026illustrative

    Writer now produces three short variants in parallel; the editor picks and finishes the strongest. Throughput up sharply with the same quality gate.

    ▸View this version's HARNESS.md
    # Nexus Content Pipeline — Harness (v3)

## Topology
- Pattern: pipeline + fan-out
- Agents: 3
  - NexusPlanner (LangGraph) — brief + outline
  - NexusWriter (Claude Sonnet) — 3 draft variants in parallel
  - NexusEditor (LangGraph) — pick-best, finish, SEO + brand-voice check

## Oversight
- Human review gate before publish.

## Notes
- Fan-out + pick-best raised throughput without loosening the quality gate
  2. v2May 28, 2026illustrative

    Added an explicit brand-voice rubric to the editor so drift is caught in one pass instead of bouncing between writer and editor.

    ▸View this version's HARNESS.md
    # Nexus Content Pipeline — Harness (v2)

## Topology
- Pattern: pipeline
- Agents: 3 (sequential)
  - NexusPlanner (LangGraph) — brief + outline
  - NexusWriter (Claude Sonnet) — long-form draft against a brand-voice rubric
  - NexusEditor (LangGraph) — SEO + quality + brand-voice check

## Oversight
- Human review gate before publish.

## Notes
- Brand-voice rubric moved the voice check upstream into the writer's prompt
  3. v1Apr 15, 2026illustrative

    Planner drafts a brief, writer produces long-form, editor does an SEO + quality pass. Strictly sequential.

    ▸View this version's HARNESS.md
    # Nexus Content Pipeline — Harness (v1)

## Topology
- Pattern: pipeline
- Agents: 3 (sequential)
  - NexusPlanner (LangGraph) — brief + outline
  - NexusWriter (Claude Sonnet) — long-form draft
  - NexusEditor (LangGraph) — SEO + quality pass

## Oversight
- Human review gate before publish.

## Known issues
- Editor sends drafts back for rewrites when brand voice drifts — several rounds

Compare versions

Diff HARNESS.md between any two captured versions — not just the latest change.

Comparevsillustrative
v1 → v3+7 −7
- # Nexus Content Pipeline — Harness (v1)+ # Nexus Content Pipeline — Harness (v3)     ## Topology- - Pattern: pipeline- - Agents: 3 (sequential)+ - Pattern: pipeline + fan-out+ - Agents: 3    - NexusPlanner (LangGraph) — brief + outline-   - NexusWriter (Claude Sonnet) — long-form draft-   - NexusEditor (LangGraph) — SEO + quality pass+   - NexusWriter (Claude Sonnet) — 3 draft variants in parallel+   - NexusEditor (LangGraph) — pick-best, finish, SEO + brand-voice check     ## Oversight  - Human review gate before publish.   - ## Known issues- - Editor sends drafts back for rewrites when brand voice drifts — several rounds+ ## Notes+ - Fan-out + pick-best raised throughput without loosening the quality gate