diff --git a/src/features/game/components/desktop/desktop-animal-overlay.tsx b/src/features/game/components/desktop/desktop-animal-overlay.tsx
index 4b25589..7a8ef63 100644
--- a/src/features/game/components/desktop/desktop-animal-overlay.tsx
+++ b/src/features/game/components/desktop/desktop-animal-overlay.tsx
@@ -22,12 +22,8 @@ import {
 } from '@/features/game/shared'
 import { cn } from '@/lib/utils'
 import { useAuthStore } from '@/store/auth'
-import {
-  type RewardAnimationType,
-  useGameAutoHostingStore,
-  useGameRoundStore,
-} from '@/store/game'
-import type { BetSelection } from '@/type'
+import { useGameAutoHostingStore, useGameRoundStore } from '@/store/game'
+import type { BetSelection, RewardAnimationType } from '@/type'
 
 const REWARD_OVERLAY_FADE_OUT_MS = 300
 const REWARD_CHILDREN_FADE_IN_MS = 2_000
diff --git a/src/features/game/components/desktop/desktop-topup.tsx b/src/features/game/components/desktop/desktop-topup.tsx
index 2e469e3..2e15164 100644
--- a/src/features/game/components/desktop/desktop-topup.tsx
+++ b/src/features/game/components/desktop/desktop-topup.tsx
@@ -1,11 +1,12 @@
 import { useMutation } from '@tanstack/react-query'
 import { useRef } from 'react'
 import { useTranslation } from 'react-i18next'
-import { createDeposit, type DepositTierItem } from '@/api'
+import { createDeposit } from '@/api'
 import { DataLoadingIndicator } from '@/components/ui/data-loading-indicator'
 import { useDepositTierList } from '@/hooks/use-deposit-tier-list'
 import { notify } from '@/lib/notify'
 import { cn } from '@/lib/utils'
+import type { DepositTierItem } from '@/type'
 
 const PANEL_CLASS =
   'rounded-md border border-[rgba(110,229,243,0.24)] bg-[linear-gradient(180deg,rgba(7,30,43,0.9),rgba(3,15,26,0.94))] shadow-[inset_0_0_calc(var(--design-unit)*14)_rgba(88,225,238,0.08),0_0_calc(var(--design-unit)*10)_rgba(32,163,186,0.12)]'
diff --git a/src/features/game/components/desktop/desktop-withdraw.tsx b/src/features/game/components/desktop/desktop-withdraw.tsx
index 0f61054..ff2c42a 100644
--- a/src/features/game/components/desktop/desktop-withdraw.tsx
+++ b/src/features/game/components/desktop/desktop-withdraw.tsx
@@ -16,6 +16,7 @@ import { useWithdrawSubmit } from '@/hooks/use-withdraw-submit'
 import { useWithdrawVm } from '@/hooks/use-withdraw-vm'
 import { cn } from '@/lib/utils'
 import { useModalStore } from '@/store'
+import type { FinanceCurrencyConfig } from '@/type'
 
 const PANEL_CLASS =
   'rounded-md border border-[rgba(110,229,243,0.24)] bg-[linear-gradient(180deg,rgba(7,30,43,0.9),rgba(3,15,26,0.94))] shadow-[inset_0_0_calc(var(--design-unit)*14)_rgba(88,225,238,0.08),0_0_calc(var(--design-unit)*10)_rgba(32,163,186,0.12)]'
@@ -428,7 +429,7 @@ function DesktopWithdraw() {
                   />
                 </SelectTrigger>
                 <SelectContent>
-                  {vm.config.currencies.map((option) => (
+                  {vm.config.currencies.map((option: FinanceCurrencyConfig) => (
                     <SelectItem key={option.code} value={option.code}>
                       {option.label}
                     </SelectItem>
diff --git a/src/features/game/components/mobile/mobile-header.tsx b/src/features/game/components/mobile/mobile-header.tsx
index b824109..2e83a23 100644
--- a/src/features/game/components/mobile/mobile-header.tsx
+++ b/src/features/game/components/mobile/mobile-header.tsx
@@ -13,7 +13,6 @@ import chatImage from '@/assets/system/chat.webp'
 import diamond from '@/assets/system/diamond.webp'
 import logo from '@/assets/system/logo.webp'
 import { SmartImage } from '@/components/smart-image.tsx'
-import { MessageBroadcast } from '@/features/game/components/desktop/desktop-title.tsx'
 import { useHeaderClockLabel, useHeaderVm } from '@/hooks/use-header-vm'
 import { useModalStore } from '@/store'
 
diff --git a/src/features/game/components/mobile/mobile-topup.tsx b/src/features/game/components/mobile/mobile-topup.tsx
index 4f1650f..1dd48e5 100644
--- a/src/features/game/components/mobile/mobile-topup.tsx
+++ b/src/features/game/components/mobile/mobile-topup.tsx
@@ -1,11 +1,12 @@
 import { useMutation } from '@tanstack/react-query'
 import { useRef } from 'react'
 import { useTranslation } from 'react-i18next'
-import { createDeposit, type DepositTierItem } from '@/api'
+import { createDeposit } from '@/api'
 import { DataLoadingIndicator } from '@/components/ui/data-loading-indicator'
 import { useDepositTierList } from '@/hooks/use-deposit-tier-list'
 import { notify } from '@/lib/notify'
 import { cn } from '@/lib/utils'
+import type { DepositTierItem } from '@/type'
 
 const PANEL_CLASS =
   'rounded-md border border-[rgba(110,229,243,0.24)] bg-[linear-gradient(180deg,rgba(7,30,43,0.9),rgba(3,15,26,0.94))] shadow-[inset_0_0_calc(var(--design-unit)*12)_rgba(88,225,238,0.08)]'
diff --git a/src/features/game/components/mobile/mobile-withdraw.tsx b/src/features/game/components/mobile/mobile-withdraw.tsx
index dd2d795..f0a3d91 100644
--- a/src/features/game/components/mobile/mobile-withdraw.tsx
+++ b/src/features/game/components/mobile/mobile-withdraw.tsx
@@ -16,6 +16,7 @@ import { useWithdrawSubmit } from '@/hooks/use-withdraw-submit'
 import { useWithdrawVm } from '@/hooks/use-withdraw-vm'
 import { cn } from '@/lib/utils'
 import { useModalStore } from '@/store'
+import type { FinanceCurrencyConfig } from '@/type'
 
 const PANEL_CLASS =
   'rounded-md border border-[rgba(110,229,243,0.24)] bg-[linear-gradient(180deg,rgba(7,30,43,0.9),rgba(3,15,26,0.94))] shadow-[inset_0_0_calc(var(--design-unit)*10)_rgba(88,225,238,0.08)]'
@@ -414,7 +415,7 @@ function MobileWithdraw() {
                   />
                 </SelectTrigger>
                 <SelectContent>
-                  {vm.config.currencies.map((option) => (
+                  {vm.config.currencies.map((option: FinanceCurrencyConfig) => (
                     <SelectItem key={option.code} value={option.code}>
                       {option.label}
                     </SelectItem>
diff --git a/src/hooks/use-auth.ts b/src/hooks/use-auth.ts
index b774590..f6f8f79 100644
--- a/src/hooks/use-auth.ts
+++ b/src/hooks/use-auth.ts
@@ -1,4 +1,5 @@
-import { type ModalKey, useModalStore } from '@/store'
+import { useModalStore } from '@/store'
+import type { ModalKey } from '@/type'
 
 export function useAuth() {
   const setModalOpen = useModalStore((state) => state.setModalOpen)
diff --git a/src/hooks/use-login-form.ts b/src/hooks/use-login-form.ts
index 773d9c0..88b0a84 100644
--- a/src/hooks/use-login-form.ts
+++ b/src/hooks/use-login-form.ts
@@ -3,9 +3,9 @@ import { useForm } from 'react-hook-form'
 import { loginWithPassword } from '@/api'
 import i18n from '@/i18n'
 import { notify } from '@/lib/notify'
-import { type LoginFormValues, loginFormSchema } from '@/schema/auth-schema'
+import { loginFormSchema } from '@/schema/auth-schema'
 import { useAuthStore } from '@/store/auth'
-import type { UseLoginFormOptions } from '@/type'
+import type { LoginFormValues, UseLoginFormOptions } from '@/type'
 import { toAuthSubmitErrorKey } from './auth-error-key'
 import { createZodResolver } from './zod-form-resolver'
 
diff --git a/src/hooks/use-period-history-vm.ts b/src/hooks/use-period-history-vm.ts
index d5e1bd4..1fcb0c9 100644
--- a/src/hooks/use-period-history-vm.ts
+++ b/src/hooks/use-period-history-vm.ts
@@ -1,9 +1,11 @@
 import { useQuery } from '@tanstack/react-query'
 import { useMemo } from 'react'
 
-import { type GamePeriodHistoryItemDto, getGamePeriodHistory } from '@/api'
+import { getGamePeriodHistory } from '@/api'
 import { FLOWER_IMAGE_BY_ID } from '@/features/game/shared'
-import type { PeriodHistoryDisplayItem } from '@/type'
+import type { GamePeriodHistoryItemDto, PeriodHistoryDisplayItem } from '@/type'
+
+export type { PeriodHistoryDisplayItem } from '@/type'
 
 export const DEFAULT_PERIOD_HISTORY_LIMIT = 36
 
diff --git a/src/hooks/use-register-form.ts b/src/hooks/use-register-form.ts
index 6649f0d..9f5d948 100644
--- a/src/hooks/use-register-form.ts
+++ b/src/hooks/use-register-form.ts
@@ -7,12 +7,9 @@ import {
 } from '@/constants'
 import i18n from '@/i18n'
 import { notify } from '@/lib/notify'
-import {
-  type RegisterFormValues,
-  registerFormSchema,
-} from '@/schema/auth-schema'
+import { registerFormSchema } from '@/schema/auth-schema'
 import { useAuthStore } from '@/store/auth'
-import type { UseRegisterFormOptions } from '@/type'
+import type { RegisterFormValues, UseRegisterFormOptions } from '@/type'
 import { toAuthSubmitErrorKey } from './auth-error-key'
 import { createZodResolver } from './zod-form-resolver'
 
diff --git a/src/hooks/use-withdraw-submit.ts b/src/hooks/use-withdraw-submit.ts
index a2ed03d..f48184a 100644
--- a/src/hooks/use-withdraw-submit.ts
+++ b/src/hooks/use-withdraw-submit.ts
@@ -1,8 +1,9 @@
 import { useMutation } from '@tanstack/react-query'
 import { useTranslation } from 'react-i18next'
 
-import { createWithdraw, type WithdrawCreateRequestDto } from '@/api'
+import { createWithdraw } from '@/api'
 import { notify } from '@/lib/notify'
+import type { WithdrawCreateRequestDto } from '@/type'
 
 export function useWithdrawSubmit() {
   const { i18n, t } = useTranslation()
diff --git a/src/hooks/use-withdraw-vm.ts b/src/hooks/use-withdraw-vm.ts
index fe4fedf..b470d38 100644
--- a/src/hooks/use-withdraw-vm.ts
+++ b/src/hooks/use-withdraw-vm.ts
@@ -1,6 +1,5 @@
 import { useCallback, useEffect, useMemo, useState } from 'react'
 import { useTranslation } from 'react-i18next'
-import type { DepositWithdrawConfig } from '@/api'
 import {
   DEFAULT_CURRENCY_CODE,
   DEFAULT_WITHDRAW_CONFIG,
@@ -10,6 +9,7 @@ import {
 } from '@/constants'
 import { useDepositWithdrawConfig } from '@/hooks/use-deposit-withdraw-config'
 import { useAuthStore } from '@/store'
+import type { DepositWithdrawConfig } from '@/type'
 
 function formatNumber(locale: string, value: number) {
   return new Intl.NumberFormat(locale).format(value)
diff --git a/src/i18n/index.ts b/src/i18n/index.ts
index aef1d4c..2432b84 100644
--- a/src/i18n/index.ts
+++ b/src/i18n/index.ts
@@ -7,6 +7,7 @@ import idID from '@/locales/id-ID'
 import msMY from '@/locales/ms-MY'
 import zhCN from '@/locales/zh-CN'
 import { getStoredAppLanguage, setStoredAppLanguage } from '@/store/auth'
+import type { AppLanguage } from '@/type'
 
 export type { AppLanguage } from '@/type'
 
@@ -45,7 +46,7 @@ export function getLanguageFromPathname(pathname: string) {
 }
 
 void i18n.use(initReactI18next).init({
-  lng: getInitialLanguage(),
+  lng: getInitialLanguage() ?? DEFAULT_APP_LANGUAGE,
   fallbackLng: DEFAULT_APP_LANGUAGE,
   debug: false,
   interpolation: {
diff --git a/src/lib/auth/auth-session.ts b/src/lib/auth/auth-session.ts
index a9a50e4..10b0df9 100644
--- a/src/lib/auth/auth-session.ts
+++ b/src/lib/auth/auth-session.ts
@@ -9,8 +9,6 @@ import { queryClient } from '@/lib/query/query-client'
 import { useAuthStore } from '@/store/auth'
 import { useModalStore } from '@/store/modal'
 import type {
-  AuthSessionInput,
-  AuthUser,
   ClearAuthenticatedSessionOptions,
   CurrentUserInitializer,
   RefreshSessionHandler,
diff --git a/src/modal/desktop/desktop-auto-setting-modal.tsx b/src/modal/desktop/desktop-auto-setting-modal.tsx
index fa4e9c6..9aa5d95 100644
--- a/src/modal/desktop/desktop-auto-setting-modal.tsx
+++ b/src/modal/desktop/desktop-auto-setting-modal.tsx
@@ -10,12 +10,12 @@ import { notify } from '@/lib/notify'
 import { useModalStore } from '@/store'
 import { useAuthStore } from '@/store/auth'
 import {
-  type AutoHostingStopRules,
   selectSelectionTotal,
   useGameAutoHostingStore,
   useGameRoundStore,
   useGameSessionStore,
 } from '@/store/game'
+import type { AutoHostingStopRules } from '@/type'
 
 function parseAmount(value: string) {
   const parsed = Number(value)
diff --git a/src/modal/mobile/mobile-auto-setting-modal.tsx b/src/modal/mobile/mobile-auto-setting-modal.tsx
index ab3addd..f910bf2 100644
--- a/src/modal/mobile/mobile-auto-setting-modal.tsx
+++ b/src/modal/mobile/mobile-auto-setting-modal.tsx
@@ -10,12 +10,12 @@ import { notify } from '@/lib/notify'
 import { useModalStore } from '@/store'
 import { useAuthStore } from '@/store/auth'
 import {
-  type AutoHostingStopRules,
   selectSelectionTotal,
   useGameAutoHostingStore,
   useGameRoundStore,
   useGameSessionStore,
 } from '@/store/game'
+import type { AutoHostingStopRules } from '@/type'
 
 function parseAmount(value: string) {
   const parsed = Number(value)
diff --git a/src/schema/auth-schema.ts b/src/schema/auth-schema.ts
index e7e69a7..a19fcf0 100644
--- a/src/schema/auth-schema.ts
+++ b/src/schema/auth-schema.ts
@@ -5,7 +5,8 @@ import {
   PASSWORD_MAX_LENGTH,
   PASSWORD_MIN_LENGTH,
 } from '@/constants'
-import type { LoginFormValues, RegisterFormValues } from '@/type'
+
+export type { LoginFormValues, RegisterFormValues } from '@/type'
 
 const usernameSchema = z
   .string()
diff --git a/src/store/game/game-auto-hosting-store.ts b/src/store/game/game-auto-hosting-store.ts
index 78177c8..eac83ba 100644
--- a/src/store/game/game-auto-hosting-store.ts
+++ b/src/store/game/game-auto-hosting-store.ts
@@ -1,12 +1,7 @@
 import { create } from 'zustand'
 
 import { AUTO_HOSTING_DEFAULT_SINGLE_WIN_THRESHOLD } from '@/constants'
-import type {
-  AutoHostingStopRules,
-  BetSelection,
-  GameAutoHostingStoreState,
-  StartAutoHostingInput,
-} from '@/type'
+import type { AutoHostingStopRules, GameAutoHostingStoreState } from '@/type'
 
 const DEFAULT_AUTO_HOSTING_RULES: AutoHostingStopRules = {
   stopIfBalanceBelow: {
diff --git a/src/store/game/game-round-store.ts b/src/store/game/game-round-store.ts
index acf2096..3c8c584 100644
--- a/src/store/game/game-round-store.ts
+++ b/src/store/game/game-round-store.ts
@@ -13,13 +13,9 @@ import type {
   Chip,
   GameCell,
   GameRoundSlice,
-  GameRoundStoreData,
   GameRoundStoreState,
   HistoryEntry,
-  RevealAnimationPhase,
   RevealAnimationState,
-  RewardAnimationType,
-  RoundPhase,
   RoundSnapshot,
   TrendEntry,
 } from '@/type'
diff --git a/src/store/modal/modal-store.ts b/src/store/modal/modal-store.ts
index 97033a6..4b25f7d 100644
--- a/src/store/modal/modal-store.ts
+++ b/src/store/modal/modal-store.ts
@@ -1,6 +1,6 @@
 import { create } from 'zustand'
 import { INITIAL_MODAL_VISIBILITY, MODAL_KEYS } from '@/constants'
-import type { ModalKey, ModalStoreState } from '@/type'
+import type { ModalStoreState } from '@/type'
 
 export { MODAL_KEYS }