Prototype · sample data, not real results

contacts-client (demo)

Verified, ready for review

Contacts API (demo) · getContact

Migration verified; pull request ready for review. Not merged. You decide whether to merge it in GitHub. Nothing was deployed.

Contract-fixture evidence cannot authorize a live release.

Detect, Done. Change received
The provider changed Contacts API (demo). This migration started Oct 15, 2026, 14:01 UTC.
Your API's change: #17 Rename contact.display_name to full_name at a1b2c3d.
Diff, Done. Compare API contract
getContact · contact.display_name
~~Removed: display_name~~Added: full_name
The getContact response renames display_name to full_name.
Scan, Done. Find affected code
Files and lines at base revision 4419a77
src/client.py:27 · getContactReads the response field display_name, which the candidate API renames to full_name.return Contact(name=body["display_name"])
Reproduce, Done. Current API passes; candidate breaks
Contract-fixture evidence
BaselineOriginal code against the current APIexit 0 · 420 msPassed
ReproductionOriginal code against the candidate APIexit 1 · 420 msFailed as expected: the change breaks the original codeReason code: missing_response_field
Commands run
Baselinepython verification/check_contact.py
Passed assertions: getContact.contact_name
Reproductionpython verification/check_contact.py
Propose, Done. Attempt 1 of 2
1. Attempt 1
  FinishedPassed
  Duration
  18.0 s
  Input tokens
  2,800
  Output tokens
  350
Read full_name from the response and keep display_name as a fallback so the client works against both versions.
src/client.py+1−1
As proposed in the pull request.
Memory
No prior lessons were recalled for this run.
Verify, Done. Patched code vs current and candidate APIs
Contract-fixture evidence
Fix vs current APIPatched code against the current APIexit 0 · 420 msPassed
Fix vs candidate APIPatched code against the candidate APIexit 0 · 420 msPassed
Commands run
Fix vs current APIpython verification/check_contact.py
Passed assertions: getContact.contact_name
Fix vs candidate APIpython verification/check_contact.py
Passed assertions: getContact.contact_name
Report, Done. Pull request open for review
Verification
Verified
Publication
Published
Pull request
Open
Merge readiness
Ready for review

Logs

Sanitized and collapsed. Secrets are removed.

Run details

Repository: contacts-client (demo)
Monitored API: Contacts API (demo)
Release mode: Before provider release; The fix must pass against both the current and the candidate API.

Evidence: Contract-fixture evidence; Checked against contract fixtures. Cannot authorize a live release.
Base revision: 4419a77
Started: Oct 15, 2026, 14:01 UTC
Run ID: proto_cr_rn06
Request id: proto_req_proto_cr_rn06

Your API's change check

No run actions are available.

Why

A new evaluation requires a fresh provider event and current reviewed policy and allowance.