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fix(redstone): use plain reply in non-private chats (TEXTDRAFT_PEER_INVALID)

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sendMessageDraft (Bot API 9.5) only works in private chats. Group,
supergroup and channel peers reject it with TEXTDRAFT_PEER_INVALID,
so Redstone was silently failing the entire reply path in groups
after the streaming feature landed in cab5337.

Keep replyWithStream for private chats (the typing animation is
the whole point); fall back to plain ctx.reply() everywhere else.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Paul Kloppers
2026-05-13 22:59:09 +02:00
parent 4ebbcef76b
commit bc87681085
1 changed files with 13 additions and 4 deletions
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17
bot/bot.ts
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@@ -1460,10 +1460,19 @@ bot.on("message:text", async (ctx) => {
// Stream the reply word-by-word so the message animates into the chat like
// an LLM typing. @grammyjs/stream uses sendMessageDraft (Bot API 9.5) to push
// each delta as a native, animated draft and finalizes with sendMessage.
const messages = await ctx.replyWithStream(streamWords(out), {}, {
reply_parameters: { message_id: ctx.message.message_id },
});
const finalMessage = messages[messages.length - 1];
// sendMessageDraft is only supported in private chats — group / supergroup
// / channel peers return TEXTDRAFT_PEER_INVALID. Use plain reply there.
let finalMessage: { message_id: number } | undefined;
if (chatType === "private") {
const messages = await ctx.replyWithStream(streamWords(out), {}, {
reply_parameters: { message_id: ctx.message.message_id },
});
finalMessage = messages[messages.length - 1];
} else {
finalMessage = await ctx.reply(out, {
reply_parameters: { message_id: ctx.message.message_id },
});
}
if (finalMessage) {
Q.insMsg.run(chatId, finalMessage.message_id, null, "out", "text", out, ctx.message.message_id);
}