fix(telegram): guard voice note sends

src/telegram/bot.ts

@@ -60,6 +60,7 @@ import { resolveTelegramAccount } from "./accounts.js";
 import { createTelegramDraftStream } from "./draft-stream.js";
 import { resolveTelegramFetch } from "./fetch.js";
 import { markdownToTelegramHtml } from "./format.js";
+import { isTelegramVoiceCompatible } from "./voice.js";
 import {
   readTelegramAllowFromStore,
   upsertTelegramPairingRequest,
@@ -1387,7 +1388,19 @@ async function deliverReplies(params: {
           ...mediaParams,
         });
       } else if (kind === "audio") {
-        const useVoice = reply.audioAsVoice === true; // default false (backward compatible)
+        const wantsVoice = reply.audioAsVoice === true; // default false (backward compatible)
+        const canVoice = wantsVoice
+          ? isTelegramVoiceCompatible({
+              contentType: media.contentType,
+              fileName,
+            })
+          : false;
+        const useVoice = wantsVoice && canVoice;
+        if (wantsVoice && !canVoice) {
+          logVerbose(
+            `Telegram voice requested but media is ${media.contentType ?? "unknown"} (${fileName}); sending as audio file instead.`,
+          );
+        }
         if (useVoice) {
           // Voice message - displays as round playable bubble (opt-in via [[audio_as_voice]])
           await bot.api.sendVoice(chatId, file, {