Fix setup command and refine payment clarification logic

- Fix BUTTON_TYPE_INVALID in non-private chats by using URL buttons for mini app links
- Localize clarification questions and processing messages
- Add language instructions to AI prompt
- Allow default payment amounts when not explicitly specified

apps/bot/src/household-setup.ts

@@ -149,6 +149,7 @@ function setupKeyboard(input: {
   bindings: readonly HouseholdTopicBindingRecord[]
   miniAppUrl: string | undefined
   botUsername: string | undefined
+  isPrivate: boolean
 }) {
   const t = getBotTranslations(input.locale).setup
   const kt = getBotTranslations(input.locale).keyboard
@@ -199,6 +200,7 @@ function setupKeyboard(input: {
   // Add dashboard button
   const webAppUrl = buildOpenMiniAppUrl(input.miniAppUrl, input.botUsername)
   if (webAppUrl) {
+    if (input.isPrivate) {
       rows.push([
         {
           text: kt.dashboardButton,
@@ -207,6 +209,14 @@ function setupKeyboard(input: {
           }
         }
       ])
+    } else if (input.botUsername) {
+      rows.push([
+        {
+          text: kt.dashboardButton,
+          url: `https://t.me/${input.botUsername}/app`
+        }
+      ])
+    }
   }
 
   return rows.length > 0
@@ -256,6 +266,7 @@ function setupReply(input: {
   bindings: readonly HouseholdTopicBindingRecord[]
   miniAppUrl: string | undefined
   botUsername: string | undefined
+  isPrivate: boolean
 }) {
   const t = getBotTranslations(input.locale).setup
   return {
@@ -274,7 +285,8 @@ function setupReply(input: {
       joinDeepLink: input.joinDeepLink,
       bindings: input.bindings,
       miniAppUrl: input.miniAppUrl,
-      botUsername: input.botUsername
+      botUsername: input.botUsername,
+      isPrivate: input.isPrivate
     })
   }
 }
@@ -324,13 +336,15 @@ function miniAppReplyMarkup(
   locale: BotLocale,
   miniAppUrl: string | undefined,
   botUsername: string | undefined,
-  joinToken: string
+  joinToken: string,
+  isPrivate: boolean
 ) {
   const webAppUrl = buildJoinMiniAppUrl(miniAppUrl, botUsername, joinToken)
   if (!webAppUrl) {
     return {}
   }
 
+  if (isPrivate) {
     return {
       reply_markup: {
         inline_keyboard: [
@@ -347,16 +361,34 @@ function miniAppReplyMarkup(
     }
   }
 
+  return botUsername
+    ? {
+        reply_markup: {
+          inline_keyboard: [
+            [
+              {
+                text: getBotTranslations(locale).setup.openMiniAppButton,
+                url: `https://t.me/${botUsername}/app?startapp=join_${joinToken}`
+              }
+            ]
+          ]
+        }
+      }
+    : {}
+}
+
 function openMiniAppReplyMarkup(
   locale: BotLocale,
   miniAppUrl: string | undefined,
-  botUsername: string | undefined
+  botUsername: string | undefined,
+  isPrivate: boolean
 ) {
   const webAppUrl = buildOpenMiniAppUrl(miniAppUrl, botUsername)
   if (!webAppUrl) {
     return {}
   }
 
+  if (isPrivate) {
     return {
       reply_markup: {
         inline_keyboard: [
@@ -373,6 +405,22 @@ function openMiniAppReplyMarkup(
     }
   }
 
+  return botUsername
+    ? {
+        reply_markup: {
+          inline_keyboard: [
+            [
+              {
+                text: getBotTranslations(locale).setup.openMiniAppButton,
+                url: `https://t.me/${botUsername}/app`
+              }
+            ]
+          ]
+        }
+      }
+    : {}
+}
+
 export function registerHouseholdSetupCommands(options: {
   bot: Bot
   householdSetupService: HouseholdSetupService
@@ -435,7 +483,8 @@ export function registerHouseholdSetupCommands(options: {
       joinDeepLink,
       bindings,
       miniAppUrl: input.miniAppUrl,
-      botUsername: input.botUsername
+      botUsername: input.botUsername,
+      isPrivate: input.ctx.chat?.type === 'private'
     })
   }
 
@@ -467,7 +516,7 @@ export function registerHouseholdSetupCommands(options: {
 
         await ctx.reply(
           t.setup.openMiniAppFromPrivateChat,
-          openMiniAppReplyMarkup(locale, options.miniAppUrl, ctx.me.username)
+          openMiniAppReplyMarkup(locale, options.miniAppUrl, ctx.me.username, true)
         )
         return
       }
@@ -525,14 +574,14 @@ export function registerHouseholdSetupCommands(options: {
     if (result.status === 'active') {
       await ctx.reply(
         t.setup.alreadyActiveMember(result.member.displayName),
-        miniAppReplyMarkup(locale, options.miniAppUrl, ctx.me.username, joinToken)
+        miniAppReplyMarkup(locale, options.miniAppUrl, ctx.me.username, joinToken, true)
       )
       return
     }
 
     await ctx.reply(
       t.setup.joinRequestSent(result.household.name),
-      miniAppReplyMarkup(locale, options.miniAppUrl, ctx.me.username, joinToken)
+      miniAppReplyMarkup(locale, options.miniAppUrl, ctx.me.username, joinToken, true)
     )
   })
 
@@ -1139,7 +1188,12 @@ export function registerHouseholdSetupCommands(options: {
 
     await ctx.reply(
       t.setup.openMiniAppFromPrivateChat,
-      openMiniAppReplyMarkup(locale, options.miniAppUrl, ctx.me.username)
+      openMiniAppReplyMarkup(
+        locale,
+        options.miniAppUrl,
+        ctx.me.username,
+        ctx.chat?.type === 'private'
+      )
     )
   })