Recover a failing automation.
Simulate timeouts, replay decisions, retry limits, and an operations digest.
Can the workflow recover without repeating an uncertain external action?
A fictional connector has a mixed run history. Some writes succeeded, some failed temporarily, and one outcome is unknown. Build a local recovery planner with an operation ledger. Do not make network requests or sleep during tests.
Build it, step by step
- 01
Define retryable, terminal, and unknown outcomes.
- 02
Read the ledger before planning a replay and reconcile pending results.
- 03
Compute capped backoff delays and stop after three attempts.
- 04
Prepare a dead-letter list with an owner and reason.
- 05
Produce a digest and explain the storage transaction needed for concurrent workers.
Your project checklist
- Completed operations are reused rather than repeated.
- Pending outcomes require reconciliation.
- Retries have a delay, attempt limit, and replay safety check.
- Terminal failures and exhausted work stay visible.
- The handover does not claim exactly-once delivery from an in-memory ledger.
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