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/typography.ts

@@ -0,0 +1,17 @@
+export const fontSizes = {
+  fontSize1: "0.75rem",
+  fontSize2: "0.875rem",
+  fontSize3: "1rem",
+  fontSize4: "1.125rem",
+  fontSize5: "1.25rem",
+  fontSize6: "1.5rem",
+  fontSize7: "1.875rem",
+  fontSize8: "2.25rem",
+  fontSize9: "3rem",
+} as const;
+
+export const fontFamilies = {
+  sans: "var(--font-family-sans)",
+  serif: "var(--font-family-serif)",
+  mono: "var(--font-family-mono)",
+} as const;