A blocked action should preserve the work, explain the reason, and identify an authorized next step.
Go beyond the happy path.
A clean demonstration often has the right material, complete evidence, an available reviewer, and a reliable connection. Real operations contain missing documents, stale instructions, unavailable equipment, and competing changes. These are not peripheral design details.
List the reasons each important action may be unavailable. Distinguish missing evidence from missing permission, a failed prerequisite from a temporary service problem, and a rejected action from one whose outcome is still unknown.
Make the reason actionable.
“Cannot continue” gives the operator nowhere to go. “Result review is waiting for the balance printout” identifies a missing requirement. A link to the relevant record and a visible owner can make the next step clear.
Do not reveal restricted information merely to explain a block. The explanation should respect the caller’s access while still offering a useful route to resolution. Good permission design and good recovery design need to work together.
Keep what the person already did.
When a rule rejects an action, retain the entered values and annotations. If the record changed in the meantime, show the conflict and ask for a deliberate resolution. If the network result is uncertain, help establish whether the action committed before allowing a retry.
An exception may open a linked investigation or require a different reviewer. It should not silently bypass the original rule. Preserve the reason, authority, and outcome so the next person can understand what happened.
Make failure part of the demonstration.
Ask a vendor to show a blocked approval, a corrected measurement, and an interrupted commit. Watch how much context is retained and whether the recovery path is actually available to that user.
Then ask a reviewer to reconstruct the sequence. A useful workflow supports the person doing the work and the person later deciding whether its record is trustworthy.
- Name distinct failure and blocked states.
- Retain input and give an authorized recovery path.
- Demonstrate correction and uncertainty, not only success.
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