refactor(setup): upgrade to TypeScript 6 with source-first monorepo resolution

package-lock.json

@@ -36,7 +36,7 @@
                 "husky": "^9.1.7",
                 "lint-staged": "^16.4.0",
                 "prettier": "^3.8.1",
-                "typescript": "^5.9.3",
+                "typescript": "^6.0.2",
                 "typescript-eslint": "^8.58.1",
                 "unplugin-dts": "^1.0.0-beta.6",
                 "vite": "^7.3.2",
@@ -11349,9 +11349,9 @@
             "license": "MIT"
         },
         "node_modules/typescript": {
-            "version": "5.9.3",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
-            "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
+            "version": "6.0.2",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.2.tgz",
+            "integrity": "sha512-bGdAIrZ0wiGDo5l8c++HWtbaNCWTS4UTv7RaTH/ThVIgjkveJt83m74bBHMJkuCbslY8ixgLBVZJIOiQlQTjfQ==",
             "dev": true,
             "license": "Apache-2.0",
             "bin": {