ScaffoldBench

RunSonnet 5.5repeat 2

Gated-execute on Return an expired, partially shipped order

claude-sonnet-5-5__gated-execute__ecommerce-hard__r2

Score

0.818

wrong answer
design ran as designed
Cost
$0.148
Latency
1m 1s
setup 0.0s, grading 0.0s
Turns
40
Tool calls
28
Subagents
5
Tokens in / out
96k / 6.0k
71,795 read from cache

Did the design run?

every check held
  • Run completed: heldharness.run-completedThe environment was built, the architecture returned and grading finished, none of them throwing.
  • No API failures: heldharness.apiNo model call failed at the API.
  • Every call ended: heldharness.calls-endedEvery call ended with a result, or was stopped by the run's own limits.
  • No harness tool denied: heldharness.harness-toolsThe sandbox guard never denied a harness tool, nor a tool the session itself offered.
  • Tool servers connected: heldharness.mcp-connectedEvery tool server the harness gave a call was connected when the session started.
  • No foreign tool servers: heldharness.mcp-hermeticNo call loaded a tool server the harness did not give it.
  • Builtin tools: heldharness.builtin-toolsA check recorded with the run.
  • Structured replies arrived: heldharness.structured-outputEvery call that asked for structured output and ran to the end got it.
  • No silent fallbacks: heldharness.not-degradedNo phase fell back on a default (an empty plan, a default winner) instead of its output.
  • Every state change was reviewed: heldgated-execute.reviewedEvery call that changed the world had been allowed by a review before it ran, counted from the world’s own journal.
  • Every decision was read: heldgated-execute.decisionsEvery review that ran to its end gave its decision through the schema; an unreadable one is a denial.
  • Each call was shown the right tools: heldgated-execute.toolsThe executor was shown the task’s full toolset and each reviewer the read-only tools.

Phases

Execute: 0.0s to 1m 1s, finished, 10 tool calls, $0.043
Review 1: cancel_order: 8.0s to 14.5s, finished, 2 tool calls, $0.014
Review 2: refund_order: 16.2s to 22.0s, finished, 2 tool calls, $0.014
Review 3: restock_item: 22.0s to 42.8s, finished, 9 tool calls, $0.045
Review 4: refund_order: 42.8s to 48.7s, finished, 3 tool calls, $0.016
Review 5: apply_store_credit: 51.0s to 57.2s, finished, 3 tool calls, $0.016

Drawn from the phase records: timing and cost per call, no tool calls or messages.

PhaseDurationCostTurnsToolsModel
Execute1m 1s$0.0431110claude-sonnet-5-5
Review 1: cancel_order6.5s$0.01442claude-sonnet-5-5
Review 2: refund_order5.8s$0.01442claude-sonnet-5-5
Review 3: restock_item20.7s$0.045119claude-sonnet-5-5
Review 4: refund_order5.9s$0.01653claude-sonnet-5-5
Review 5: apply_store_credit6.2s$0.01653claude-sonnet-5-5

The call-by-call replay is not published for this run. Traces are large, so the repository keeps 9 of this run set’s 900 and leaves the rest out; the score, phases and final answer on this page come from the committed run record.

Runs you can replay

Record this cell yourself: npm run bench -- run --strategies gated-execute --tasks ecommerce-hard --models claude-sonnet-5-5 --repeats 1

Score breakdown

  • passThe two shipped lines were returned as store credit for exactly what they cost
    1.00weight 0.27
  • passThe credit reached the customer balance, not just the ledger
    1.00weight 0.18

    storeCreditCents=55300

  • passThe line that never shipped was cancelled and refunded to the card
    1.00weight 0.27

    line L3: status=cancelled refundedCents=13800 method=card

  • failCancelled units were restocked and returned units were not
    0.00weight 0.18

    P-HUB=8 P-DOC=3 P-MON=5

  • passRead the return policy before issuing a refund
    1.00weight 0.09

Penalties

No penalties were applied.

Scorer metadata

tool calls
28
failed tool calls
0
distinct tools
9

Final answer

Order O-3001 is fully refunded (68,600 cents), but I did not restock the USB-C hubs, because the reviewer blocked it.

  • L3 (2 × P-HUB, never shipped): I cancelled it and refunded 13,800 cents to the original card (RF-1). Unshipped lines are cancellations, so the card refund applies whatever the order's age.
  • L1 and L2 (shipped 2026-05-04): These are the dock and the monitor. Today is 2026-07-25, so they are past the 30-day return window, and the policy requires store credit rather than a card refund. I recorded 54,800 cents against the order (RF-2). I also added 54,800 cents to Priya's balance, which went from 500 to 55,300.
  • Restock of the hubs: The reviewer denied it because the records suggest L3 was backordered. There is no reservation movement for it in the inventory log, and a backordered line has no stock set aside. I haven't restocked anything. If the warehouse confirms that stock was set aside for L3, 2 units of P-HUB should be restocked.
  • Returned dock and monitor: I did not restock them. They go back into stock only when the warehouse receives them, so that needs doing once they arrive.

Provenance of the numbers on this page

run set
scaffold-or-scale-v1
models
Haiku 4.5, Sonnet 5.5, Opus 5.5
effort
high
repeats
2
fixtures
replay
runs
900 / 900
strategy cost
$354.44
judge cost
$9.19
wall clock
9h 48m
git
fce5807b2d

Cost excludes judge calls, which are tracked separately so a scoring model never flatters or penalises an architecture. Every figure on this site is read from results/ at build time.