- skill_loader: 加 project_common scope(projects/ 项目通用,不分 project_id) + project 私有改挂 orgs/{org_id}/{project_id}/,SCOPE_PRIORITY 七级
- skill_pack: ensure_org_skills 去复制逻辑改薄封装返回 get_skills_base(),删 _sync_tree/get_org_skills_dir dead code
- skill_pack.dspy/skill_proposals.dspy: base_dir 改全局 skills/,删同步所有机构循环