Add idempotency key support for task deduplication#88

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AntoineToussaint wants to merge 3 commits intomainfrom

feat/idempotency-key

Commits on Apr 9, 2026

Add idempotency key support for task deduplication

AntoineToussaint
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claude
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Commits on Apr 13, 2026

Remove `only_once` flag, require explicit idempotency key

AntoineToussaint
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claude
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Make idempotency keys permanent + restore comment

AntoineToussaint
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claude
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