feat(skills): 技能库 - 内置技能目录迁移为 Markdown 包

backend/cmd/migrate-sqlite-postgres/main.go

@@ -409,9 +409,11 @@ func migrations() []tableMigration {
 		migrateTable[model.StorageLocation]("storage_locations"),
 		migrateTable[model.UserDailyUploadUsage]("user_daily_upload_usages"),
 		migrateTable[model.Skill]("skills"),
+		migrateTable[model.SkillLibraryCategory]("skill_library_categories"),
 		migrateTable[model.SkillVersion]("skill_versions"),
 		migrateTable[model.SkillFile]("skill_files"),
 		migrateTable[model.UserSkillState]("user_skill_states"),
+		migrateTable[model.BuiltinSkillTombstone]("builtin_skill_tombstones"),
 		migrateTable[model.Resource]("resources"),
 		migrateTable[model.ResourceDeletionJob]("resource_deletion_jobs"),
 		migrateTable[model.AnnouncementImageDraft]("announcement_image_drafts"),