fix(bot): make Telegram bot english-only (#38)

Author: skulidropek

src/__tests__/bot-commands.test.ts

@@ -22,18 +22,6 @@ describe("parseCommand", () => {
   it("rejects /launch without slug", () => {
     expect(parseCommand("/launch").tag).toBe("launch-missing");
   });
-  it("parses /lang without arg as lang-help", () => {
-    expect(parseCommand("/lang")).toEqual({ tag: "lang-help" });
-  });
-  it("parses /lang en", () => {
-    expect(parseCommand("/lang en")).toEqual({ tag: "lang-set", locale: "en" });
-  });
-  it("parses /lang ru", () => {
-    expect(parseCommand("/lang ru")).toEqual({ tag: "lang-set", locale: "ru" });
-  });
-  it("parses unknown /lang code as lang-invalid", () => {
-    expect(parseCommand("/lang de")).toEqual({ tag: "lang-invalid", arg: "de" });
-  });
   it("parses /getToken", () => {
     expect(parseCommand("/getToken")).toEqual({ tag: "get-token" });
   });
@@ -50,28 +38,8 @@ describe("parseCommand", () => {
 });
 
 describe("bot messages", () => {
-  it("createdMessage (ru) includes bootstrap steps without links", () => {
-    const message = createdMessage(
-      "ru",
-      "demo-app",
-      "npx @spawn-dock/create --token pair_demo",
-    );
-
-    expect(message).toContain("Проект demo-app создан.");
-    expect(message).toContain("1. Запусти bootstrap-команду локально:");
-    expect(message).toContain("npx @spawn-dock/create --token pair_demo");
-    expect(message).toContain("Эту команду можно запускать повторно для этого проекта.");
-    expect(message).toContain("2. После bootstrap запусти:");
-    expect(message).toContain("pnpm run dev");
-    expect(message).not.toContain("Preview URL:");
-    expect(message).not.toContain("Telegram Link:");
-    expect(message).not.toContain("TMA URL:");
-    expect(message).not.toContain("Ссылки:");
-  });
-
-  it("createdMessage (en) uses English bootstrap copy", () => {
+  it("createdMessage uses English bootstrap copy", () => {
     const message = createdMessage(
-      "en",
       "demo-app",
       "npx @spawn-dock/create --token pair_demo",
     );
@@ -86,7 +54,6 @@ describe("bot messages", () => {
 
   it("includes TMA, preview, and telegram links in launchMessage", () => {
     const message = launchMessage(
-      "en",
       "demo-app",
       "connected",
       "https://example.com/tma?tgWebAppStartParam=demo-app",
@@ -103,7 +70,6 @@ describe("bot messages", () => {
 
   it("previewReadyMessage keeps all links", () => {
     const message = previewReadyMessage(
-      "ru",
       "demo-app",
       "https://example.com/preview/demo-app",
       "https://t.me/rustgpt_bot/tma?startapp=demo-app",

src/__tests__/bot-telegram.test.ts

@@ -71,6 +71,8 @@ describe("setMyCommands", () => {
     for (const cmd of body.commands) {
       expect(cmd.command).toMatch(/^[a-z0-9_]+$/);
     }
-    expect(body.commands.map((c) => c.command)).toContain("gettoken");
+    const commandNames = body.commands.map((c) => c.command);
+    expect(commandNames).toContain("gettoken");
+    expect(commandNames).not.toContain("lang");
   });
 });

src/__tests__/mcp-auth.test.ts

@@ -17,7 +17,6 @@ const state: StoreState = {
     revokedAt: null,
   }],
   tunnelSessions: [],
-  userLocales: {},
 };
 
 describe("readMcpApiKey", () => {

src/__tests__/server.test.ts

@@ -27,7 +27,7 @@ process.env.TELEGRAM_MINI_APP_SHORT_NAME ??= "tma";
 
 function createRuntime(): Runtime {
   return {
-    state: { projects: [], pairingTokens: [], deviceCredentials: [], tunnelSessions: [], userLocales: {} },
+    state: { projects: [], pairingTokens: [], deviceCredentials: [], tunnelSessions: [] },
     connectionsBySlug: new Map(),
     pendingResponses: new Map(),
   };
@@ -49,7 +49,6 @@ function createAuthorizedRuntime(): Runtime {
         revokedAt: null,
       }],
       tunnelSessions: [],
-      userLocales: {},
     },
   };
 }
@@ -59,7 +58,7 @@ const authorizedHeaders = {
 };
 
 const mockRuntime: Runtime = {
-  state: { projects: [], pairingTokens: [], deviceCredentials: [], tunnelSessions: [], userLocales: {} },
+  state: { projects: [], pairingTokens: [], deviceCredentials: [], tunnelSessions: [] },
   connectionsBySlug: new Map(),
   pendingResponses: new Map(),
 };
@@ -116,7 +115,7 @@ describe("Express server", () => {
 
   it("POST /v1/bootstrap/claim returns flat bootstrap fields", async () => {
     const app = createApp({
-      state: { projects: [], pairingTokens: [], deviceCredentials: [], tunnelSessions: [], userLocales: {} },
+      state: { projects: [], pairingTokens: [], deviceCredentials: [], tunnelSessions: [] },
       connectionsBySlug: new Map(),
       pendingResponses: new Map(),
     });
@@ -172,7 +171,7 @@ describe("Express server", () => {
 
   it("POST /v1/bootstrap/claim replays the same credential when the token was already claimed", async () => {
     const app = createApp({
-      state: { projects: [], pairingTokens: [], deviceCredentials: [], tunnelSessions: [], userLocales: {} },
+      state: { projects: [], pairingTokens: [], deviceCredentials: [], tunnelSessions: [] },
       connectionsBySlug: new Map(),
       pendingResponses: new Map(),
     });
@@ -209,35 +208,6 @@ describe("Express server", () => {
     expect(res.body.error).toBe("bot_unauthorized");
   });
 
-  it("POST /api/bot/user-locale/sync stores locale from Telegram language_code", async () => {
-    const runtime = createRuntime();
-    const app = createApp(runtime);
-
-    const res = await request(app)
-      .post("/api/bot/user-locale/sync")
-      .set(botHeaders)
-      .send({ ownerTelegramId: 99, telegramLanguageCode: "ru-RU" });
-
-    expect(res.status).toBe(200);
-    expect(res.body.locale).toBe("ru");
-    expect(runtime.state.userLocales["99"]).toBe("ru");
-  });
-
-  it("POST /api/bot/user-locale/set updates explicit locale", async () => {
-    const runtime = createRuntime();
-    runtime.state.userLocales["5"] = "ru";
-    const app = createApp(runtime);
-
-    const res = await request(app)
-      .post("/api/bot/user-locale/set")
-      .set(botHeaders)
-      .send({ ownerTelegramId: 5, locale: "en" });
-
-    expect(res.status).toBe(200);
-    expect(res.body.locale).toBe("en");
-    expect(runtime.state.userLocales["5"]).toBe("en");
-  });
-
   it("POST /projects accepts bot-authorized creation without /api prefix", async () => {
     const app = createApp(createRuntime());
 
@@ -314,7 +284,6 @@ describe("Express server", () => {
         pairingTokens: [],
         deviceCredentials: [],
         tunnelSessions: [],
-        userLocales: {},
       },
       connectionsBySlug: new Map(),
       pendingResponses: new Map(),

src/bot/commands.ts

@@ -1,16 +1,10 @@
 // src/bot/commands.ts
-import type { BotLocale } from "../types.js";
-import { isBotLocale } from "./user-lang.js";
-
 export type BotCommand =
   | { tag: "start" }
   | { tag: "help" }
   | { tag: "new"; title: string }
   | { tag: "launch"; slug: string }
   | { tag: "launch-missing" }
-  | { tag: "lang-help" }
-  | { tag: "lang-set"; locale: BotLocale }
-  | { tag: "lang-invalid"; arg: string }
   | { tag: "get-token" }
   | { tag: "unknown"; input: string };
 
@@ -30,12 +24,6 @@ export function parseCommand(input: string): BotCommand {
   const text = normalizeTelegramCommandText(input);
   if (text === "/start") return { tag: "start" };
   if (text === "/help") return { tag: "help" };
-  if (text.startsWith("/lang")) {
-    const rest = text.slice(5).trim().toLowerCase();
-    if (!rest) return { tag: "lang-help" };
-    if (isBotLocale(rest)) return { tag: "lang-set", locale: rest };
-    return { tag: "lang-invalid", arg: rest };
-  }
   if (text.startsWith("/new")) {
     const title = text.slice(4).trim();
     return { tag: "new", title: title || "SpawnDock App" };