diff --git a/src/auto-reply/reply/dispatch-acp.ts b/src/auto-reply/reply/dispatch-acp.ts
index 1a31c6a4b86..e9484e9aa50 100644
--- a/src/auto-reply/reply/dispatch-acp.ts
+++ b/src/auto-reply/reply/dispatch-acp.ts
@@ -106,6 +106,9 @@ async function resolveAcpAttachments(
   ctx: FinalizedMsgContext,
   cfg: OpenClawConfig,
 ): Promise<AcpTurnAttachment[]> {
+  if (!hasInboundMediaForAcp(ctx)) {
+    return [];
+  }
   const {
     MediaAttachmentCache,
     isMediaUnderstandingSkipError,
diff --git a/src/plugin-sdk/acp-runtime.test.ts b/src/plugin-sdk/acp-runtime.test.ts
index b0310dce0c0..a9fde108cf3 100644
--- a/src/plugin-sdk/acp-runtime.test.ts
+++ b/src/plugin-sdk/acp-runtime.test.ts
@@ -16,7 +16,9 @@ import { tryDispatchAcpReplyHook } from "./acp-runtime.js";
 const event = {
   ctx: buildTestCtx({
     SessionKey: "agent:test:session",
-    BodyForAgent: "hello",
+    CommandBody: "/acp cancel",
+    BodyForCommands: "/acp cancel",
+    BodyForAgent: "/acp cancel",
   }),
   runId: "run-1",
   sessionKey: "agent:test:session",
diff --git a/src/plugin-sdk/acp-runtime.ts b/src/plugin-sdk/acp-runtime.ts
index b339914f581..2729476e1b4 100644
--- a/src/plugin-sdk/acp-runtime.ts
+++ b/src/plugin-sdk/acp-runtime.ts
@@ -41,10 +41,19 @@ function loadDispatchAcpRuntime() {
   return dispatchAcpRuntimePromise;
 }
 
+function hasExplicitCommandCandidate(ctx: PluginHookReplyDispatchEvent["ctx"]): boolean {
+  return [ctx.CommandBody, ctx.BodyForCommands].some(
+    (value) => typeof value === "string" && value.trim().length > 0,
+  );
+}
+
 export async function tryDispatchAcpReplyHook(
   event: PluginHookReplyDispatchEvent,
   ctx: PluginHookReplyDispatchContext,
 ): Promise<PluginHookReplyDispatchResult | void> {
+  if (event.sendPolicy === "deny" && !hasExplicitCommandCandidate(event.ctx)) {
+    return;
+  }
   const runtime = await loadDispatchAcpRuntime();
   const bypassForCommand = await runtime.shouldBypassAcpDispatchForCommand(event.ctx, ctx.cfg);