fix(test): resolve app-core ui compat in agent tests

Author: Dexploarer

packages/agent/vitest.config.ts

@@ -34,6 +34,13 @@ export default defineConfig({
           "packages/app-core/src/account-pool.ts",
         ),
       },
+      {
+        find: /^@elizaos\/app-core\/ui-compat$/,
+        replacement: path.join(
+          monorepoRoot,
+          "packages/app-core/src/ui-compat.ts",
+        ),
+      },
       {
         find: "@elizaos/app-core",
         replacement: path.join(monorepoRoot, "packages/app-core/src/index.ts"),