docs(protocol): add Proposal0026 artifact verification - #22182

Bugbot Analysis Progress (4m 18s elapsed)

✅ Gathered PR context (3s)
✅ Completed bug detection (4m 14s)
✅ Posted analysis results (0s)

Final Result: Bugbot completed review - no issues found! ✅

Request ID: serverGenReqId_1df4ea5b-d17d-45b8-bb6c-27076e802038