fix: clear persona links and use esm vitest config

vitest.config.mts

@@ -0,0 +1,22 @@
+import path from "path"
+import { fileURLToPath } from "url"
+import { defineConfig } from "vitest/config"
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url))
+
+export default defineConfig({
+  resolve: {
+    alias: {
+      "@": path.resolve(__dirname, "./src"),
+      "@/convex": path.resolve(__dirname, "./convex"),
+    },
+  },
+  test: {
+    pool: "vmThreads",
+    environment: "node",
+    globals: true,
+    include: ["src/**/*.test.ts", "tests/**/*.test.ts"],
+    setupFiles: ["./vitest.setup.ts"],
+    testTimeout: 15000,
+  },
+})