v0.4.9

What's Changed

• fix(eval): 迁移到 explicit signal 口径 by @catoncat in #180
• fix: skip installed mainline skill during init by @z2z23n0 in #181
• fix: clarify read-only diagnosis intent boundary by @z2z23n0 in #183
• fix: remove mainline merge command by @z2z23n0 in #188
• fix: ignore base-commit merged view on abandon by @z2z23n0 in #189
• feat: support fork contributor Mainline metadata workflow by @catoncat in #185
• feat: add fork PR import action by @z2z23n0 in #187
• fix: keep full pbt within ci budget by @z2z23n0 in #190

Full Changelog: v0.4.8...v0.4.9