diff --git a/package.json b/package.json
index 4564a0e..d0091c2 100644
--- a/package.json
+++ b/package.json
@@ -9,8 +9,8 @@
     "refresh:openclawtest": "bash ./scripts/refresh-openclawtest-poc.sh",
     "rollback:openclawtest": "bash ./scripts/rollback-openclaw-poc-patch.sh /home/openclawtest/.nvm/versions/node/v22.22.2/lib/node_modules/openclaw/dist",
     "verify:openclawtest": "bash ./scripts/verify-openclaw-poc.sh /home/openclawtest/.openclaw /home/openclawtest/.nvm/versions/node/v22.22.2/lib/node_modules/openclaw/dist",
-    "test": "tsx --test tests/**/*.test.mjs",
-    "typecheck": "tsc --noEmit"
+    "test": "npx -p tsx@4.20.6 -p typescript@5.9.3 tsx --test tests/**/*.test.mjs",
+    "typecheck": "npx -p typescript@5.9.3 tsc --noEmit"
   },
   "devDependencies": {
     "tsx": "^4.20.6",
diff --git a/src/config.ts b/src/config.ts
index 6404dd5..eab7015 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -1,5 +1,17 @@
 import type { ReplyEndChoice } from "./types.js"
-import config from "../config/reply-end-controls.json"
+import fs from "node:fs"
+import path from "node:path"
+import { fileURLToPath } from "node:url"
+
+const currentDir = path.dirname(fileURLToPath(import.meta.url))
+const configPath = path.join(currentDir, "..", "config", "reply-end-controls.json")
+const config = JSON.parse(fs.readFileSync(configPath, "utf-8")) as {
+  callbacks: Record<ReplyEndChoice, string>
+  labels: Record<ReplyEndChoice, string>
+  resolvedLabels: Record<ReplyEndChoice, string>
+  ack: Record<ReplyEndChoice, string>
+  stopPolicyText: string
+}
 
 export const REPLY_END_CALLBACKS = config.callbacks as Record<ReplyEndChoice, string>
 
diff --git a/src/node-shims.d.ts b/src/node-shims.d.ts
index f116cf5..c086a4a 100644
--- a/src/node-shims.d.ts
+++ b/src/node-shims.d.ts
@@ -7,3 +7,11 @@ declare module "node:path" {
   const path: any
   export default path
 }
+
+declare module "node:url" {
+  export function fileURLToPath(url: string | URL): string
+}
+
+interface ImportMeta {
+  url: string
+}
diff --git a/tsconfig.json b/tsconfig.json
index 0eade3b..317b5dd 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -4,6 +4,8 @@
     "module": "NodeNext",
     "moduleResolution": "NodeNext",
     "strict": true,
+    "allowImportingTsExtensions": true,
+    "resolveJsonModule": true,
     "noEmit": true,
     "skipLibCheck": true,
     "forceConsistentCasingInFileNames": true,