Add BCApps 11274 drop shipment dataset task

[alexei-dobriansky]

Stack

1. Add BCApps 7070 subscription customer dataset task #900 — BCApps 7070
2. Add BCApps 10345 service contract dataset task #901 — BCApps 10345
3. Add BCApps 10808 exchange rate dataset task #902 — BCApps 10808
4. BCApps 11274 drop-shipment reversal and version bump (this PR)

Summary

• add microsoft__BCApps-11274
• align the problem statement with the original bug while removing inaccessible and speculative context
• bump the benchmark version to 0.14.0

Validation

• artifact, dataset, version, lockfile, lint, format, and type checks pass
• previously passed end-to-end in run 35894324791

[Copilot]

Copilot review overview

🟢 Approval recommended

The dataset entry is complete, consistent with the source PR, and successfully passed end-to-end validation.

Review effort: Balanced
Findings: None

What changed in this PR

Adds the validated BCApps 11274 drop-shipment reversal task and advances the benchmark version to 0.14.0.

Changes:

• Adds the BCApps dataset entry and text-only reproduction scenario.
• Includes production/test patches validated by the linked successful workflow run.
• Synchronizes the package and lockfile versions.

File	Description
dataset/​bcbench.jsonl	Adds the BCApps 11274 benchmark entry.
dataset/​problemstatement/​microsoft__BCApps-11274/​README.md	Documents reproduction and expected behavior.
pyproject.toml	Bumps the benchmark to 0.14.0.
uv.lock	Synchronizes the locked package version.

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[Sun Haoran (haoranpb)]

Good addition, let's update the problem statement before merging

[Sun Haoran (haoranpb)]

Align the problem statement with the original bug, you will have to manually tweak the Description field a bit so it doesn't include unreachable links for the coding agent

[alexei-dobriansky]

Updated the problem statement to match the original bug description. I retained the core blank-bin/drop-shipment failure and its expected and actual behavior, while removing the inaccessible IcM link, speculative root-cause text, engineering notes, and version prerequisites.

[Sun Haoran (haoranpb)]

I think the Problem Statement is still more clear than the original bug, is it by design?