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Idempotent redundancy

Skill parcadei/Continuous-Claude-v3/.claude/skills/idempotent-redundancy

Idempotent RedundancyFrom its SKILL.md

Install
npx -y skills add parcadei/Continuous-Claude-v3 --skill idempotent-redundancy

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SKILL.md

0.8 KB, 196 tokens by cl100k_base, as published. Nobody here has run it

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"

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