core: v3.15.0

3.15.0 (2026-06-28)

Features

• grading: replace A/B/C/F success grade with a 1-10 score (#1529) (c96d034)
• scout: persist a search seen-set so result rotation survives across runs (#1528) (#1532) (a757b6a)

Bug Fixes

• deps: bump @oss-scout/core to ^1.2.2 to pick up search result rotation (#1534) (42a7ac7)
• scout: surface a missing skip file instead of silently searching with an empty skip list (#1528) (#1530) (91b16e3)