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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-04 21:07:04 +01:00

2.0 KiB

DECISION-20260216-agent-harness-defaults

Context

  • Task/request: Adapt EVOLV agents/skills using Harness Engineering patterns and set owner-controlled operating defaults.
  • Impacted files/contracts: AGENTS.md, .agents/skills/*/SKILL.md, .agents/skills/*/agents/openai.yaml, decision-log policy.
  • Why a decision is required now: New harness workflow needs explicit defaults for compatibility, safety bias, and governance discipline.

Options

  1. Compatibility posture
  • Option A: strict backward compatibility
  • Option B: controlled compatibility breaks with migration notes
  1. Safety posture
  • Option A: protection-first
  • Option B: availability-first
  1. Decision logging scope
  • Option A: required only for breaking/risky changes
  • Option B: required for all decision-gate outcomes

Decision

  • Selected option: Compatibility controlled; Safety availability-first; Decision logging required for all decision-gate changes.
  • Decision owner: User
  • Date: February 16, 2026
  • Rationale: Maintain delivery and operational continuity while preserving governance through mandatory, durable decision records.

Consequences

  • Compatibility impact: Breaking contract changes are permissible only when migration/deprecation is explicit.
  • Safety/security impact: Control changes should bias toward continuity with bounded safeguards; critical protections still require explicit constraints.
  • Data/operations impact: Decision traceability improves cross-turn consistency and auditability.

Implementation Notes

  • Required code/doc updates: Set defaults in AGENTS.md and orchestrator skill instructions; keep decision-log template active.
  • Validation evidence required: Presence of defaults in policy docs and this decision artifact under .agents/decisions/.

Rollback / Migration

  • Rollback strategy: Update defaults in AGENTS.md and orchestrator SKILL; create a superseding decision log entry.
  • Migration/deprecation plan: For any future hard-break preference, require explicit migration plan and effective date in a new decision entry.