v0.6.18.post2

What's Changed

• chore(sse): 注释停用三个无调用方的 SSE 流水线端点 by @370025263 in #105
• perf(skillhub): 三层扫描缓存，根治全盘扫描风暴（面板冻结事故修复） by @370025263 in #108
• refactor(cli): search 只保留 skillhub 形态 + 网络异常兜底 + 来源/评分展示 by @370025263 in #107
• fix(updater): server 请求默认直连 + pip 升级闭环核验与回退（内网镜像滞后事故） by @370025263 in #109
• feat(skillhub): search 升级 BM25+语义 RRF 混合检索（含 embedding.max_embed 护栏） by @370025263 in #110
• perf(dashboard): 画像散点事件触发物化 + multiprocessing 隔离（closes #106） by @370025263 in #111
• fix(skillhub): 收紧搜索 embedding 并修复技能包分发 by @370025263 in #113
• fix(scatter): 停机时取消排队计算并等待派发线程 by @370025263 in #114
• fix: clean owned search slot installations by @370025263 in #116
• fix(skillhub): keep degraded search fast by @370025263 in #115
• test(release): gate SkillHub workloads and harden SQLite close by @370025263 in #117
• fix(release): stabilize pre-tag validation gates by @370025263 in #118
• perf(skillhub): make release smoke truly cache-hot by @370025263 in #119
• perf(skillhub): cache hot hybrid rank plans by @370025263 in #120
• test(release): refresh hot snapshots before timing by @370025263 in #121
• perf(skillhub): cache hot search results by @370025263 in #122
• perf(skillhub): isolate hot search requests by @370025263 in #123
• perf(skillhub): yield during hot search bursts by @370025263 in #124

Full Changelog: v0.6.17...v0.6.18.post2