Auto-reply: normalize stop matching and add multilingual triggers (#25103)

* Auto-reply tests: cover multilingual abort triggers

* Auto-reply: normalize multilingual abort triggers

* Gateway: route chat stop matching through abort parser

* Gateway tests: cover chat stop parsing variants

* Auto-reply tests: cover Russian and German stop words

* Auto-reply: add Russian and German abort triggers

* Gateway tests: include Russian and German stop forms

* Telegram tests: route Russian and German stop forms to control lane

* Changelog: note multilingual abort stop coverage

* Changelog: add shared credit for abort shortcut update

src/gateway/chat-abort.test.ts

@@ -1,6 +1,7 @@
 import { describe, expect, it, vi } from "vitest";
 import {
   abortChatRunById,
+  isChatStopCommandText,
   type ChatAbortOps,
   type ChatAbortControllerEntry,
 } from "./chat-abort.js";
@@ -42,6 +43,22 @@ function createOps(params: {
   };
 }
 
+describe("isChatStopCommandText", () => {
+  it("matches slash and standalone multilingual stop forms", () => {
+    expect(isChatStopCommandText(" /STOP!!! ")).toBe(true);
+    expect(isChatStopCommandText("stop please")).toBe(true);
+    expect(isChatStopCommandText("停止")).toBe(true);
+    expect(isChatStopCommandText("やめて")).toBe(true);
+    expect(isChatStopCommandText("توقف")).toBe(true);
+    expect(isChatStopCommandText("остановись")).toBe(true);
+    expect(isChatStopCommandText("halt")).toBe(true);
+    expect(isChatStopCommandText("stopp")).toBe(true);
+    expect(isChatStopCommandText("pare")).toBe(true);
+    expect(isChatStopCommandText("/status")).toBe(false);
+    expect(isChatStopCommandText("keep going")).toBe(false);
+  });
+});
+
 describe("abortChatRunById", () => {
   it("broadcasts aborted payload with partial message when buffered text exists", () => {
     const runId = "run-1";