feat(miniapp): refine UI and add utility bill management

- Fix collapsible padding and button spacing
- Add subtotal to balance card
- Add utility bill management for admins
- Fix lints and type checks across the monorepo
- Implement rejectPendingHouseholdMember in repository and service

apps/bot/src/miniapp-auth.test.ts

@@ -123,6 +123,7 @@ function onboardingRepository(): HouseholdConfigurationRepository {
       pending = null
       return member
     },
+    rejectPendingHouseholdMember: async () => false,
     updateHouseholdDefaultLocale: async (_householdId, locale) => ({
       ...household,
       defaultLocale: locale