docs: ai 协作文档体系重构与多 ai 仲裁结果落地

1.AI 协作文档体系重构(objections/worklines/contracts+matrix.md)

2.coord 仲裁文档(final-decisions/cross-review/final-rulings/orchestration)

3.各服务 01/02 文档补全

4.共享包初始化(shared-ts/shared-go/hooks/ui-components/ui-tokens)

5.Proto 契约补全

6.004 架构影响地图更新

7.端口分配表

8.设计规格文档

packages/ui-tokens/src/index.ts

@@ -0,0 +1,4 @@
+export * from "./colors.js";
+export * from "./typography.js";
+export * from "./spacing.js";
+export * from "./shadows.js";