fix(telegram): send interactive fallback replies

extensions/telegram/src/bot/delivery.replies.ts

@@ -36,6 +36,7 @@ import {
   renderTelegramHtmlText,
   wrapFileReferencesInHtml,
 } from "../format.js";
+import { resolveTelegramInteractiveTextFallback } from "../interactive-fallback.js";
 import { buildInlineKeyboard } from "../send.js";
 import { resolveTelegramVoiceSend } from "../voice.js";
 import {
@@ -751,7 +752,17 @@ export async function deliverReplies(params: {
         ? [reply.mediaUrl]
         : [];
     const hasMedia = mediaList.length > 0;
-    if (!reply?.text && !hasMedia) {
+    const resolvedReplyText =
+      resolveTelegramInteractiveTextFallback({
+        text: reply?.text,
+        interactive: reply?.interactive,
+      }) ??
+      reply?.text ??
+      "";
+    if (reply && resolvedReplyText !== (reply.text ?? "")) {
+      reply = { ...reply, text: resolvedReplyText };
+    }
+    if (!resolvedReplyText && !hasMedia) {
       if (reply?.audioAsVoice) {
         logVerbose("telegram reply has audioAsVoice without media/text; skipping");
         continue;
@@ -760,7 +771,7 @@ export async function deliverReplies(params: {
       continue;
     }
 
-    const rawContent = reply.text || "";
+    const rawContent = resolvedReplyText;
     const replyToId =
       params.replyToMode === "off" ? undefined : resolveTelegramReplyId(reply.replyToId);
     const replyQuote = resolveReplyQuoteForSend({

extensions/telegram/src/bot/delivery.test.ts

@@ -257,6 +257,35 @@ describe("deliverReplies", () => {
     );
   });
 
+  it("uses interactive button labels as fallback text for button-only replies", async () => {
+    const runtime = createRuntime(false);
+    const sendMessage = vi.fn().mockResolvedValue({ message_id: 3, chat: { id: "123" } });
+    const bot = createBot({ sendMessage });
+
+    await deliverWith({
+      replies: [
+        {
+          interactive: {
+            blocks: [{ type: "buttons", buttons: [{ label: "Retry", value: "cmd:retry" }] }],
+          },
+        },
+      ],
+      runtime,
+      bot,
+    });
+
+    expect(runtime.error).not.toHaveBeenCalled();
+    expect(sendMessage).toHaveBeenCalledWith(
+      "123",
+      expect.stringContaining("Retry"),
+      expect.objectContaining({
+        reply_markup: {
+          inline_keyboard: [[{ text: "Retry", callback_data: "cmd:retry" }]],
+        },
+      }),
+    );
+  });
+
   it("reports message_sent success=false when hooks blank out a text-only reply", async () => {
     messageHookRunner.hasHooks.mockImplementation(
       (name: string) => name === "message_sending" || name === "message_sent",