diff --git a/extensions/telegram/src/channel.ts b/extensions/telegram/src/channel.ts
index f0cdfca63717..d84916c09196 100644
--- a/extensions/telegram/src/channel.ts
+++ b/extensions/telegram/src/channel.ts
@@ -1246,7 +1246,11 @@ export const telegramPlugin = createChatChannelPlugin({
   },
   security: telegramSecurityAdapter,
   threading: {
-    topLevelReplyToMode: "telegram",
+    scopedAccountReplyToMode: {
+      resolveAccount: (cfg, accountId) => resolveTelegramAccount({ cfg, accountId }),
+      resolveReplyToMode: (account) => account.config.replyToMode,
+      fallback: "off",
+    },
     buildToolContext: (params) => buildTelegramThreadingToolContext(params),
     resolveAutoThreadId: ({ to, toolContext }) => resolveTelegramAutoThreadId({ to, toolContext }),
     resolveCurrentChannelId: ({ to, threadId }) => {
diff --git a/extensions/telegram/src/threading-tool-context.test.ts b/extensions/telegram/src/threading-tool-context.test.ts
index f3169347c698..c75f1a2a4bb7 100644
--- a/extensions/telegram/src/threading-tool-context.test.ts
+++ b/extensions/telegram/src/threading-tool-context.test.ts
@@ -1,8 +1,48 @@
 // Telegram tests cover threading tool context plugin behavior.
 import type { OpenClawConfig } from "openclaw/plugin-sdk/config-contracts";
 import { describe, expect, it } from "vitest";
+import { telegramPlugin } from "./channel.js";
 import { buildTelegramThreadingToolContext } from "./threading-tool-context.js";
 
+describe("telegramPlugin reply threading", () => {
+  it.each([
+    {
+      name: "uses an account override",
+      telegram: {
+        botToken: "token-default",
+        accounts: { sut: { botToken: "token-sut", replyToMode: "first" as const } },
+      },
+      expected: "first",
+    },
+    {
+      name: "inherits the top-level mode",
+      telegram: {
+        botToken: "token-default",
+        replyToMode: "all" as const,
+        accounts: { sut: { botToken: "token-sut" } },
+      },
+      expected: "all",
+    },
+    {
+      name: "allows an account to disable replies",
+      telegram: {
+        botToken: "token-default",
+        replyToMode: "all" as const,
+        accounts: { sut: { botToken: "token-sut", replyToMode: "off" as const } },
+      },
+      expected: "off",
+    },
+  ])("$name", ({ telegram, expected }) => {
+    const resolveReplyToMode = telegramPlugin.threading?.resolveReplyToMode;
+    if (!resolveReplyToMode) {
+      throw new Error("Telegram reply mode resolver is unavailable");
+    }
+
+    const cfg = { channels: { telegram } } as OpenClawConfig;
+    expect(resolveReplyToMode({ cfg, accountId: "sut" })).toBe(expected);
+  });
+});
+
 describe("buildTelegramThreadingToolContext", () => {
   it("keeps topic thread state in plugin-owned tool context", () => {
     const hasRepliedRef = { value: false };