The client submits the same (principal, agent, input, idempotency_key) twice and receives the same job_id both times.
Demonstrates the spec §7.4 deduplication contract on the in-memory
idempotency store.
Source: ../../examples/idempotent_retry/.
uv run python -m examples.idempotent_retry.server &
uv run python -m examples.idempotent_retry.client- Guide: Jobs — Idempotency.
- Spec: ARCP v1.1 §7.4.