Harness-engineering api-idempotency-keys

name: api-idempotency-keys version: '1.0.0' description: Idempotency key design — UUID v4 generation, key storage TTL, 24h window convention, at-least-once vs exactly-once semantics, safe retry scope stability: static cognitive_mode: advisory-guide type: knowledge tier: 3 triggers:

• manual platforms:
• claude-code
• gemini-cli
• cursor
• codex tools: [] paths: [] related_skills:
• api-http-methods
• events-idempotency-pattern
• api-bulk-operations
• api-retry-guidance stack_signals:
• rest
• api
• http keywords:
• idempotency-keys
• Idempotency-Key
• UUID
• at-least-once
• exactly-once
• safe-retry
• idempotency-window metadata: author: community upstream: stripe.com/docs/api/idempotent_requests state: persistent: false files: [] depends_on: []