再次合并 master

合入 origin/master 最新创作入口契约与后台编辑调整。

保留本枝平台入口架构收口约束并合并玩法链路文档。

通过 typecheck、编码检查、冲突扫描与相关创作入口测试。
This commit is contained in:
2026-06-08 00:00:36 +08:00
13 changed files with 831 additions and 107 deletions
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