docs: 删 4 份纯 gamedef 死设计文档 + 修引发的活层死链
删除(gamedef=已废错误路线,2026-06-21 创始人判废):
- docs/brainstorms/2026-06-18-生成失败根因分析-requirements.md
- docs/brainstorms/2026-06-19-plan003-phase1验收闭环-requirements.md
- docs/plans/2026-06-19-002-feat-gendone-用对M3生成生死门-plan.md
- docs/plans/2026-06-18-003-feat-gen-quality-converge-and-m0-integration-plan.md
修死链:.agents/skills/saa-graph-orchestration.md 去掉指向被删
根因分析文档的失效指针(保留根因结论本身,SAA 编排史有效经验)。
边界档 docs/plans/2026-06-19-001(status=active、主体即 gd-runtime)
仍引用被删档(origin + 来源段),按 spec 划为"留待人判·别动",
其遗留死链列入收尾报告上报,不在本次授权内处理。
docs/agent-specs/_index.md 经查无指向这 4 份的链接。
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>