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AB-154
Retry semantics declared
What it means
Idempotency-Key or Retry-After headers are documented.
Why it matters
Agents need to know which requests are safe to retry and how long to wait.
✗
What's wrong
// no mention of idempotency or retry
✓
What's right
headers: { 'Idempotency-Key': { description: 'Prevents duplicate charges' } }
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