fix(deps): fix tsconfig and import path for typescript 6 compat

Remove deprecated baseUrl option and fix relative import path in test
that relied on baseUrl resolution.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: gracefullight

packages/design-tokens/src/__tests__/tokens.test.ts

@@ -10,7 +10,7 @@ import {
   p3ToHex,
   xyzToLinearP3,
 } from "../../scripts/oklch-to-p3.js";
-import type { OklchColor } from "./src/tokens.js";
+import type { OklchColor } from "../tokens.js";
 
 describe("OKLCH to P3 conversion", () => {
   describe("oklchToOklab", () => {

packages/design-tokens/tsconfig.json

@@ -12,9 +12,8 @@
     "declarationMap": true,
     "outDir": "./dist",
     "rootDir": ".",
-    "baseUrl": ".",
     "paths": {
-      "@/*": ["src/*"]
+      "@/*": ["./src/*"]
     }
   },
   "include": ["*.ts", "src/**/*.ts", "scripts/**/*.ts"],