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Forward Deployed Engineer for AI Systems

Documenting Trade-Offs and Limitations

Explore how to classify delivery facts as assumptions, scope cuts, stubs, limitations, or blockers. Understand how to explain trade-offs with alternatives and consequences, and rank next steps by customer risk with observable completion checks, preparing you to replace vague wish lists with credible plans.

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Which should take priority in the remaining hour: a dashboard, live supplier integration, or clear report freshness indicators?

Consider this fictional supplier-review delivery packet. The brief sets a four-hour limit to reconcile local order and supplier CSV files and generate matched and unresolved reports for manual purchasing review. The brief does not require order write-back. Charts and live supplier lookups are optional enhancements.

The packet reports:

  • A valid run processed 12 order rows. Nine orders matched unique supplier records, while three remained unresolved because their supplier references were missing from the supplied lookup.

  • A subsequent test with a missing column exited with code 2 and left the previous report unchanged. Without a run identifier or freshness notice, the report could be mistaken for the latest result.

  • A separately executed supplier-lookup fixture returned predefined names for two test IDs. It was labeled as simulated and was not used by the local reconciliation workflow.

  • Live supplier lookup remains unverified because authorized sandbox credentials were unavailable.

  • The optional chart was excluded to preserve time for validation and handoff. Customer adoption and time savings have not been measured.

All briefs, results, time limits, and priorities in this lesson are fictional and provided for instructional purposes. No runnable files are provided, so the reported outcomes cannot be independently verified from this packet.

Prioritize the next hour of work based on what the purchasing coordinator needs to review and act on the results safely.

Technical Quiz
1.

Using only the fictional supplier packet, which plan for the next hour does the most to protect the purchasing coordinator’s next action?

A.

Build the optional live connection. Extending the two-ID fixture toward a live lookup should come first so more supplier references can be resolved

B.

Make it clear how fresh the retained report is and that the last run failed. After the exit-2 failure, the coordinator could mistake the earlier report for the current purchasing list.

C.

Add the optional dashboard. A visual summary of the nine matches and three unresolved rows would make the successful trial easier to review.

1 / 1

Prioritizing report freshness does not determine whether the previous report should be retained or deleted. Retaining the previous report supports recovery, but the handoff must clearly identify it as an earlier result, not a successful output from the current run.

Document each significant delivery decision, its supporting evidence, its impact on the customer, and the next action required to verify or resolve it.

Classifying delivery facts

Classify a fact before explaining it. Otherwise, “tradeoff” can become a vague label for everything unfinished.

Distinguish assumptions, scope cuts, stubs, and evidence boundaries:

  • Assumption: Supplier IDs are treated as case-sensitive.

  • Scope cut: The chart is omitted.

  • Stub: The separate lookup fixture returns fixed names.

  • Observed limitation: The retained report lacks provenance. A limitation describes a boundary or failure. ...