diff --git a/scripts/dev/discord-acp-plain-language-smoke.ts b/scripts/dev/discord-acp-plain-language-smoke.ts
index 641af712f6d..c7edfe40308 100644
--- a/scripts/dev/discord-acp-plain-language-smoke.ts
+++ b/scripts/dev/discord-acp-plain-language-smoke.ts
@@ -429,18 +429,14 @@ function resolveCandidateBindings(params: {
   const normalizedTargetAgent = params.targetAgent.trim().toLowerCase();
   return params.entries
     .filter((entry) => {
-      const targetKind = String(entry.targetKind || "")
-        .trim()
-        .toLowerCase();
+      const targetKind = (entry.targetKind || "").trim().toLowerCase();
       if (targetKind !== "acp") {
         return false;
       }
       if (normalizeBoundAt(entry) < params.minBoundAt) {
         return false;
       }
-      const agentId = String(entry.agentId || "")
-        .trim()
-        .toLowerCase();
+      const agentId = (entry.agentId || "").trim().toLowerCase();
       if (normalizedTargetAgent && agentId && agentId !== normalizedTargetAgent) {
         return false;
       }
@@ -663,7 +659,7 @@ async function run(): Promise<SuccessResult | FailureResult> {
           "--json",
         ],
       });
-      sentMessageId = String(sent.payload?.result?.messageId || "");
+      sentMessageId = sent.payload?.result?.messageId || "";
       if (!sentMessageId) {
         throw new Error("openclaw message send did not return payload.result.messageId");
       }
@@ -794,8 +790,8 @@ async function run(): Promise<SuccessResult | FailureResult> {
       binding: {
         threadId,
         targetSessionKey: winningBinding.targetSessionKey,
-        targetKind: String(winningBinding.targetKind || "acp"),
-        agentId: String(winningBinding.agentId || args.targetAgent),
+        targetKind: winningBinding.targetKind || "acp",
+        agentId: winningBinding.agentId || args.targetAgent,
         boundAt: normalizeBoundAt(winningBinding),
         accountId: winningBinding.accountId,
         channelId: winningBinding.channelId,