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idempotent-redundancy

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Idempotent Redundancy

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  3. Review the proposed files and risks before you approve installation.
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I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/parcadei/Continuous-Claude-v3/blob/HEAD/.claude/skills/idempotent-redundancy/SKILL.md

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First, summarize what it does, its dependencies, license status if identifiable, and any risks. Show the exact files you propose to add under .agents/skills/idempotent-redundancy/. Do not write files or run scripts until I approve.

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Idempotent Redundancy

When adding redundant paths (fallbacks, belt-and-suspenders), make them idempotent.

Pattern

Redundancy without idempotency causes loops, churn, or data corruption.

DO

  • Use _is_merge: true for Braintrust updates
  • Check if value exists before writing (fallback only if missing)
  • Use atomic write/rename for file operations
  • Make reconciliation steps safe to run repeatedly

DON'T

  • Write unconditionally in fallback paths
  • Allow multiple writers to overwrite each other
  • Fire "repair" actions that can trigger more repairs

Source Sessions

  • a541f08a: "Redundancy is good only if idempotent"
  • 1c21e6c8: "Belt-and-suspenders, but make it idempotent"
  • 6a9f2d7a: "Idempotent repair hooks"