feat(bot): use typing indicator for dm assistant

apps/bot/src/dm-assistant.test.ts

@@ -397,7 +397,7 @@ describe('registerDmAssistant', () => {
 
     await bot.handleUpdate(privateMessageUpdate('How much do I still owe this month?') as never)
 
-    expect(calls).toHaveLength(3)
+    expect(calls).toHaveLength(2)
     expect(calls[0]).toMatchObject({
       method: 'sendChatAction',
       payload: {
@@ -409,14 +409,6 @@ describe('registerDmAssistant', () => {
       method: 'sendMessage',
       payload: {
         chat_id: 123456,
-        text: 'Working on it...'
-      }
-    })
-    expect(calls[2]).toMatchObject({
-      method: 'editMessageText',
-      payload: {
-        chat_id: 123456,
-        message_id: 2,
         text: 'You still owe 350.00 GEL this cycle.'
       }
     })
@@ -555,7 +547,7 @@ describe('registerDmAssistant', () => {
     await bot.handleUpdate(update as never)
     await bot.handleUpdate(update as never)
 
-    expect(calls).toHaveLength(3)
+    expect(calls).toHaveLength(2)
     expect(usageTracker.listHouseholdUsage('household-1')).toEqual([
       {
         householdId: 'household-1',

apps/bot/src/dm-assistant.ts

@@ -257,57 +257,6 @@ function paymentProposalReplyMarkup(locale: BotLocale, proposalId: string) {
   }
 }
 
-interface PendingAssistantReply {
-  chatId: number
-  messageId: number
-}
-
-async function sendAssistantProcessingReply(
-  ctx: Context,
-  text: string
-): Promise<PendingAssistantReply | null> {
-  const message = await ctx.reply(text)
-
-  if (!message?.chat?.id || typeof message.message_id !== 'number') {
-    return null
-  }
-
-  return {
-    chatId: message.chat.id,
-    messageId: message.message_id
-  }
-}
-
-async function finalizeAssistantReply(
-  ctx: Context,
-  pendingReply: PendingAssistantReply | null,
-  text: string,
-  replyMarkup?: {
-    inline_keyboard: Array<
-      Array<{
-        text: string
-        callback_data: string
-      }>
-    >
-  }
-): Promise<void> {
-  if (!pendingReply) {
-    await ctx.reply(text, replyMarkup ? { reply_markup: replyMarkup } : undefined)
-    return
-  }
-
-  try {
-    await ctx.api.editMessageText(
-      pendingReply.chatId,
-      pendingReply.messageId,
-      text,
-      replyMarkup ? { reply_markup: replyMarkup } : {}
-    )
-  } catch {
-    await ctx.reply(text, replyMarkup ? { reply_markup: replyMarkup } : undefined)
-  }
-}
-
 function parsePaymentProposalPayload(
   payload: Record<string, unknown>
 ): PaymentProposalPayload | null {
@@ -768,7 +717,6 @@ export function registerDmAssistant(options: {
 
       const memory = options.memoryStore.get(telegramUserId)
       const typingIndicator = startTypingIndicator(ctx)
-      let pendingReply: PendingAssistantReply | null = null
       const assistantStartedAt = Date.now()
       let stage: 'household_context' | 'assistant_response' = 'household_context'
       let contextBuildMs: number | null = null
@@ -785,7 +733,6 @@ export function registerDmAssistant(options: {
           financeService
         })
         contextBuildMs = Date.now() - contextStartedAt
-        pendingReply = await sendAssistantProcessingReply(ctx, t.processing)
         stage = 'assistant_response'
         const assistantResponseStartedAt = Date.now()
         const reply = await options.assistant.respond({
@@ -830,7 +777,7 @@ export function registerDmAssistant(options: {
           'DM assistant reply generated'
         )
 
-        await finalizeAssistantReply(ctx, pendingReply, reply.text)
+        await ctx.reply(reply.text)
       } catch (error) {
         options.logger?.error(
           {
@@ -846,7 +793,7 @@ export function registerDmAssistant(options: {
           },
           'DM assistant reply failed'
         )
-        await finalizeAssistantReply(ctx, pendingReply, t.unavailable)
+        await ctx.reply(t.unavailable)
       } finally {
         typingIndicator.stop()
       }

apps/bot/src/i18n/locales/en.ts

@@ -114,7 +114,6 @@ export const enBotTranslations: BotTranslationCatalog = {
   },
   assistant: {
     unavailable: 'The assistant is temporarily unavailable. Try again in a moment.',
-    processing: 'Working on it...',
     noHousehold:
       'I can help after your Telegram account is linked to a household. Open the household group and complete the join flow first.',
     multipleHouseholds:

apps/bot/src/i18n/locales/ru.ts

@@ -117,7 +117,6 @@ export const ruBotTranslations: BotTranslationCatalog = {
   },
   assistant: {
     unavailable: 'Ассистент сейчас недоступен. Попробуйте ещё раз чуть позже.',
-    processing: 'Сейчас разберусь...',
     noHousehold:
       'Я смогу помочь после того, как ваш Telegram-профиль будет привязан к дому. Сначала откройте группу дома и завершите вступление.',
     multipleHouseholds:

apps/bot/src/i18n/types.ts

@@ -122,7 +122,6 @@ export interface BotTranslationCatalog {
   }
   assistant: {
     unavailable: string
-    processing: string
     noHousehold: string
     multipleHouseholds: string
     rateLimited: (retryDelay: string) => string