YAPP-Github · Ojongseok · Feb 8, 2026 · Feb 7, 2026 · Feb 7, 2026 · Feb 7, 2026
diff --git a/app/src/main/java/com/neki/android/app/AuthScreen.kt b/app/src/main/java/com/neki/android/app/AuthScreen.kt
@@ -0,0 +1,30 @@
+package com.neki.android.app
+
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.navigationBarsPadding
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Scaffold
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.snapshots.SnapshotStateList
+import androidx.compose.ui.Modifier
+import androidx.navigation3.runtime.NavEntry
+import androidx.navigation3.runtime.NavKey
+import androidx.navigation3.ui.NavDisplay
+
+@Composable
+fun AuthScreen(
+    entries: SnapshotStateList<NavEntry<NavKey>>,
+    onBack: () -> Unit,
+) {
+    Scaffold(
+        modifier = Modifier
+            .fillMaxSize()
+            .navigationBarsPadding(),
+    ) { innerPadding ->
+        NavDisplay(
+            modifier = Modifier.padding(innerPadding),
+            entries = entries,
+            onBack = onBack,
+        )
+    }
+}
diff --git a/app/src/main/java/com/neki/android/app/MainActivity.kt b/app/src/main/java/com/neki/android/app/MainActivity.kt
@@ -20,7 +20,9 @@ import com.neki.android.core.navigation.result.ResultEventBus
 import com.neki.android.core.navigation.root.RootNavKey
 import com.neki.android.core.navigation.root.RootNavigationState
 import com.neki.android.core.navigation.toEntries
-import com.neki.android.feature.auth.impl.LoginRoute
+import com.neki.android.core.navigation.auth.AuthNavigatorImpl
+import com.neki.android.core.navigation.auth.toEntries
+import com.neki.android.feature.auth.impl.navigation.authEntryProvider
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.launch
 import javax.inject.Inject
@@ -31,6 +33,9 @@ class MainActivity : ComponentActivity() {
     @Inject
     lateinit var rootNavigationState: RootNavigationState
 
+    @Inject
+    lateinit var authNavigator: AuthNavigatorImpl
+
     @Inject
     lateinit var navigator: NavigatorImpl
 
@@ -52,9 +57,14 @@ class MainActivity : ComponentActivity() {
                 NekiTheme {
                     CompositionLocalProvider(LocalResultEventBus provides resultBus) {
                         when (rootNavigationState.currentRootKey) {
-                            RootNavKey.Login -> {
-                                LoginRoute(
-                                    navigateToMain = { navigator.navigateRoot(RootNavKey.Main) },
+                            RootNavKey.Auth -> {
+                                AuthScreen(
+                                    entries = authNavigator.state.toEntries(
+                                        entryProvider = entryProvider {
+                                            authEntryProvider(authNavigator).invoke(this)
+                                        },
+                                    ),
+                                    onBack = { authNavigator.goBack() },
                                 )
                             }
 
@@ -70,7 +80,7 @@ class MainActivity : ComponentActivity() {
                                     ),
                                     onTabSelected = { navigator.navigate(it) },
                                     onBack = { navigator.goBack() },
-                                    navigateToLogin = { navigator.navigateRoot(RootNavKey.Login) },
+                                    navigateToLogin = { navigator.navigateRoot(RootNavKey.Auth) },
                                 )
                             }
                         }
@@ -92,7 +102,7 @@ class MainActivity : ComponentActivity() {
                             Toast.LENGTH_SHORT,
                         ).show()
 
-                        navigator.navigateRoot(RootNavKey.Login)
+                        navigator.navigateRoot(RootNavKey.Auth)
                     }
                 }
             }

diff --git a/app/src/main/java/com/neki/android/app/navigation/di/NavigationModule.kt b/app/src/main/java/com/neki/android/app/navigation/di/NavigationModule.kt
@@ -1,9 +1,11 @@
 package com.neki.android.app.navigation.di
 
+import com.neki.android.app.navigation.keys.START_AUTH_NAV_KEY
 import com.neki.android.app.navigation.keys.START_NAV_KEY
 import com.neki.android.app.navigation.keys.START_ROOT_NAV_KEY
 import com.neki.android.app.navigation.keys.TOP_LEVEL_NAV_KEYS
 import com.neki.android.core.navigation.NavigationState
+import com.neki.android.core.navigation.auth.AuthNavigationState
 import com.neki.android.core.navigation.root.RootNavigationState
 import dagger.Module
 import dagger.Provides
@@ -17,18 +19,26 @@ internal object NavigationModule {
 
     @Provides
     @ActivityRetainedScoped
-    fun providesNavigationState(): NavigationState {
-        return NavigationState(
-            startKey = START_NAV_KEY,
-            topLevelKeys = TOP_LEVEL_NAV_KEYS.toSet(),
+    fun providesRootNavigationState(): RootNavigationState {
+        return RootNavigationState(
+            startKey = START_ROOT_NAV_KEY,
         )
     }
 
     @Provides
     @ActivityRetainedScoped
-    fun providesRootNavigationState(): RootNavigationState {
-        return RootNavigationState(
-            startKey = START_ROOT_NAV_KEY,
+    fun providesAuthNavigationState(): AuthNavigationState {
+        return AuthNavigationState(
+            startKey = START_AUTH_NAV_KEY,
+        )
+    }
+
+    @Provides
+    @ActivityRetainedScoped
+    fun providesNavigationState(): NavigationState {
+        return NavigationState(
+            startKey = START_NAV_KEY,
+            topLevelKeys = TOP_LEVEL_NAV_KEYS.toSet(),
         )
     }
 }
diff --git a/app/src/main/java/com/neki/android/app/navigation/keys/Keys.kt b/app/src/main/java/com/neki/android/app/navigation/keys/Keys.kt
@@ -3,7 +3,9 @@ package com.neki.android.app.navigation.keys
 import com.neki.android.app.navigation.TopLevelNavItem
 import com.neki.android.core.navigation.root.RootNavKey
 import com.neki.android.feature.archive.api.ArchiveNavKey
+import com.neki.android.feature.auth.api.AuthNavKey
 
-internal val START_ROOT_NAV_KEY = RootNavKey.Login
+internal val START_ROOT_NAV_KEY = RootNavKey.Auth
+internal val START_AUTH_NAV_KEY = AuthNavKey.Splash
 internal val START_NAV_KEY = ArchiveNavKey.Archive
 internal val TOP_LEVEL_NAV_KEYS = TopLevelNavItem.entries.map { it.navKey }
diff --git a/core/data-api/src/main/java/com/neki/android/core/dataapi/repository/AuthRepository.kt b/core/data-api/src/main/java/com/neki/android/core/dataapi/repository/AuthRepository.kt
@@ -1,9 +1,13 @@
 package com.neki.android.core.dataapi.repository
 
 import com.neki.android.core.model.Auth
+import kotlinx.coroutines.flow.Flow
 
 interface AuthRepository {
     suspend fun loginWithKakao(idToken: String): Result<Auth>
     suspend fun updateAccessToken(refreshToken: String): Result<Auth>
     suspend fun withdrawAccount(): Result<Unit>
+
+    fun isReadOnboarding(): Flow<Boolean>
+    suspend fun setReadOnboarding(value: Boolean)
 }
diff --git a/core/data/src/main/java/com/neki/android/core/data/repository/impl/AuthRepositoryImpl.kt b/core/data/src/main/java/com/neki/android/core/data/repository/impl/AuthRepositoryImpl.kt
@@ -1,14 +1,22 @@
 package com.neki.android.core.data.repository.impl
 
+import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.core.booleanPreferencesKey
+import androidx.datastore.preferences.core.edit
+import com.neki.android.core.data.local.di.AuthDataStore
 import com.neki.android.core.data.remote.api.AuthService
 import com.neki.android.core.data.remote.model.request.KakaoLoginRequest
 import com.neki.android.core.data.remote.model.request.RefreshTokenRequest
 import com.neki.android.core.data.util.runSuspendCatching
 import com.neki.android.core.dataapi.repository.AuthRepository
 import com.neki.android.core.model.Auth
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
 import javax.inject.Inject
 
 class AuthRepositoryImpl @Inject constructor(
+    @AuthDataStore private val dataStore: DataStore<Preferences>,
     private val authService: AuthService,
 ) : AuthRepository {
     override suspend fun loginWithKakao(idToken: String): Result<Auth> = runSuspendCatching {
@@ -30,4 +38,20 @@ class AuthRepositoryImpl @Inject constructor(
     override suspend fun withdrawAccount(): Result<Unit> = runSuspendCatching {
         authService.withdrawAccount()
     }
+
+    override fun isReadOnboarding(): Flow<Boolean> {
+        return dataStore.data.map { preferences ->
+            preferences[IS_READ_ONBOARDING] ?: false
+        }
+    }
+
+    override suspend fun setReadOnboarding(value: Boolean) {
+        dataStore.edit { preferences ->
+            preferences[IS_READ_ONBOARDING] = value
+        }
+    }
+
+    companion object {
+        private val IS_READ_ONBOARDING = booleanPreferencesKey("is_read_onboarding")
+    }
 }
diff --git a/core/designsystem/src/main/java/com/neki/android/core/designsystem/ui/theme/Type.kt b/core/designsystem/src/main/java/com/neki/android/core/designsystem/ui/theme/Type.kt
@@ -31,6 +31,19 @@ private val pretendardStyle = TextStyle(
 )
 
 internal val defaultNekiTypography = NekiTypography(
+    // Title 28
+    title28Bold = pretendardStyle.copy(
+        fontWeight = FontWeight.Bold,
+        fontSize = 28.sp,
+        lineHeight = 40.sp,
+        letterSpacing = (-0.02).em,
+    ),
+    title28SemiBold = pretendardStyle.copy(
+        fontWeight = FontWeight.SemiBold,
+        fontSize = 28.sp,
+        lineHeight = 40.sp,
+        letterSpacing = (-0.02).em,
+    ),
     // Title 24
     title24Bold = pretendardStyle.copy(
         fontWeight = FontWeight.Bold,
@@ -162,6 +175,9 @@ internal val defaultNekiTypography = NekiTypography(
 
 @Immutable
 data class NekiTypography(
+    // Title 28
+    val title28Bold: TextStyle,
+    val title28SemiBold: TextStyle,
     // Title 24
     val title24Bold: TextStyle,
     val title24SemiBold: TextStyle,

diff --git a/core/designsystem/src/main/res/drawable/icon_agreement.xml b/core/designsystem/src/main/res/drawable/icon_agreement.xml
@@ -0,0 +1,81 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="64dp"
+    android:height="64dp"
+    android:viewportWidth="64"
+    android:viewportHeight="64">
+  <path
+      android:pathData="M8.571,11L38.287,11A4.571,4.571 0,0 1,42.858 15.571L42.858,54.429A4.571,4.571 0,0 1,38.287 59L8.571,59A4.571,4.571 0,0 1,4 54.429L4,15.571A4.571,4.571 0,0 1,8.571 11z">
+    <aapt:attr name="android:fillColor">
+      <gradient
+          android:startX="23.429"
+          android:startY="11"
+          android:endX="23.429"
+          android:endY="59"
+          android:type="linear">
+        <item android:offset="0" android:color="#FFFFDAD6"/>
+        <item android:offset="1" android:color="#FFFFA299"/>
+      </gradient>
+    </aapt:attr>
+  </path>
+  <path
+      android:pathData="M15.571,5L45.429,5A4.571,4.571 0,0 1,50 9.571L50,48.429A4.571,4.571 0,0 1,45.429 53L15.571,53A4.571,4.571 0,0 1,11 48.429L11,9.571A4.571,4.571 0,0 1,15.571 5z">
+    <aapt:attr name="android:fillColor">
+      <gradient
+          android:startX="30.5"
+          android:startY="5"
+          android:endX="30.5"
+          android:endY="53"
+          android:type="linear">
+        <item android:offset="0" android:color="#FFFFA299"/>
+        <item android:offset="1" android:color="#FFFF5647"/>
+      </gradient>
+    </aapt:attr>
+  </path>
+  <path
+      android:pathData="M17,16C17,14.895 17.895,14 19,14H42C43.105,14 44,14.895 44,16C44,17.105 43.105,18 42,18H19C17.895,18 17,17.105 17,16Z">
+    <aapt:attr name="android:fillColor">
+      <gradient
+          android:startX="17"
+          android:startY="16"
+          android:endX="44"
+          android:endY="16"
+          android:type="linear">
+        <item android:offset="0" android:color="#FFFFFFFF"/>
+        <item android:offset="1" android:color="#FFFFDAD6"/>
+      </gradient>
+    </aapt:attr>
+  </path>
+  <path
+      android:pathData="M17,25C17,23.895 17.895,23 19,23H42C43.105,23 44,23.895 44,25C44,26.105 43.105,27 42,27H19C17.895,27 17,26.105 17,25Z">
+    <aapt:attr name="android:fillColor">
+      <gradient
+          android:startX="17"
+          android:startY="25"
+          android:endX="44"
+          android:endY="25"
+          android:type="linear">
+        <item android:offset="0" android:color="#FFFFFFFF"/>
+        <item android:offset="1" android:color="#FFFFDAD6"/>
+      </gradient>
+    </aapt:attr>
+  </path>
+  <path
+      android:pathData="M17,34C17,32.895 17.895,32 19,32H34C35.105,32 36,32.895 36,34C36,35.105 35.105,36 34,36H19C17.895,36 17,35.105 17,34Z">
+    <aapt:attr name="android:fillColor">
+      <gradient
+          android:startX="17"
+          android:startY="34"
+          android:endX="36"
+          android:endY="34"
+          android:type="linear">
+        <item android:offset="0" android:color="#FFFFFFFF"/>
+        <item android:offset="1" android:color="#FFFFDAD6"/>
+      </gradient>
+    </aapt:attr>
+  </path>
+  <path
+      android:pathData="M52.999,18.153C54.231,16.396 56.655,15.969 58.412,17.201C60.17,18.433 60.596,20.857 59.364,22.614L45.272,42.717C44.653,43.601 43.808,44.302 42.826,44.749L39.109,46.439C38.323,46.797 37.443,46.18 37.511,45.319L37.832,41.248C37.917,40.172 38.288,39.139 38.908,38.256L52.999,18.153Z"
+      android:fillColor="#FFC7C2"
+      android:fillAlpha="0.4"/>
+</vector>
diff --git a/core/designsystem/src/main/res/drawable/icon_kakao_talk.xml b/core/designsystem/src/main/res/drawable/icon_kakao_talk.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M12,0C5.38,0 0,4.615 0,10.301C0.115,13.962 2.2,17.276 5.453,18.934L4.327,24L9.738,20.423C10.488,20.549 11.239,20.612 12,20.612C18.62,20.612 24,15.997 24,10.311C24,4.626 18.631,0.01 12,0.01"
+      android:fillColor="#181A1D"/>
+</vector>
diff --git a/core/designsystem/src/main/res/drawable/icon_neki_logo_white.xml b/core/designsystem/src/main/res/drawable/icon_neki_logo_white.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="74dp"
+    android:height="81dp"
+    android:viewportWidth="74"
+    android:viewportHeight="81">
+  <path
+      android:pathData="M0,6.531C0,2.309 3.948,-0.803 8.053,0.184L48.79,9.969L67.698,1.142C70.583,-0.205 73.89,1.902 73.89,5.086V73.88C73.89,78.102 69.943,81.213 65.839,80.227L18.759,68.916L6.861,77.316C3.979,79.351 0.001,77.289 0,73.761V6.531ZM38.298,26.892C38.023,25.793 36.463,25.793 36.188,26.892L33.463,37.786L22.556,40.515C21.457,40.789 21.457,42.352 22.556,42.627L33.463,45.353L36.188,56.25C36.462,57.349 38.023,57.349 38.298,56.25L41.022,45.349L51.916,42.627C53.014,42.352 53.014,40.79 51.916,40.515L41.024,37.791L38.298,26.892Z"
+      android:fillColor="#ffffff"
+      android:fillType="evenOdd"/>
+</vector>
diff --git a/core/designsystem/src/main/res/drawable/icon_neki_text_logo_white.xml b/core/designsystem/src/main/res/drawable/icon_neki_text_logo_white.xml
@@ -0,0 +1,18 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="94dp"
+    android:height="37dp"
+    android:viewportWidth="94"
+    android:viewportHeight="37">
+  <path
+      android:pathData="M0,3.907C0,3.363 0.441,2.922 0.985,2.922H7.632C7.947,2.922 8.242,3.072 8.428,3.326L21.517,21.227C21.535,21.251 21.568,21.258 21.595,21.243C21.613,21.233 21.625,21.213 21.625,21.191V3.907C21.625,3.363 22.066,2.922 22.61,2.922H28.444C28.989,2.922 29.43,3.363 29.43,3.907V32.685C29.43,33.229 28.989,33.67 28.444,33.67H22.082C21.767,33.67 21.471,33.519 21.286,33.265L7.913,14.916C7.895,14.891 7.861,14.884 7.835,14.899C7.816,14.91 7.805,14.93 7.805,14.951V32.696C7.805,33.24 7.364,33.681 6.82,33.681H0.985C0.441,33.681 0,33.24 0,32.696V3.907Z"
+      android:fillColor="#ffffff"/>
+  <path
+      android:pathData="M46.865,33.744C40.306,35.501 35.044,32.817 33.312,26.353C31.579,19.888 34.933,14.521 41.492,12.764C47.78,11.078 53.226,13.926 55.311,20.98C55.462,21.493 55.148,22.021 54.632,22.159L41.03,25.804C42.106,28.09 43.656,28.854 45.891,28.255C47.001,27.958 47.878,27.256 48.23,26.259C48.366,25.876 48.637,25.535 49.029,25.43L54.484,23.968C55.097,23.804 55.707,24.257 55.654,24.891C55.295,29.182 52.316,32.272 46.862,33.733L46.865,33.744ZM46.935,19.413C46.219,17.541 44.689,17.021 42.886,17.504C41.083,17.987 40.112,19.257 40.018,21.267L46.924,19.416L46.935,19.413Z"
+      android:fillColor="#ffffff"/>
+  <path
+      android:pathData="M65.001,0C65.545,0 65.987,0.441 65.987,0.985V20.802H66.063L72.35,13.363C72.537,13.141 72.813,13.013 73.103,13.013H79.643C80.498,13.013 80.948,14.028 80.372,14.661L73.685,22.023C73.348,22.394 73.343,22.96 73.675,23.336L81.488,32.212C82.048,32.848 81.596,33.848 80.748,33.848H73.875C73.586,33.848 73.313,33.722 73.125,33.502L66.106,25.282L65.987,25.326V32.863C65.987,33.407 65.545,33.848 65.001,33.848H59.331C58.786,33.848 58.345,33.407 58.345,32.863V0.985C58.345,0.441 58.786,0 59.331,0H65.001Z"
+      android:fillColor="#ffffff"/>
+  <path
+      android:pathData="M85.549,5.456C85.549,3.09 87.295,1.414 89.697,1.414C92.099,1.414 93.845,3.09 93.845,5.456C93.845,7.986 92.218,9.575 89.697,9.575C87.175,9.575 85.549,7.986 85.549,5.456ZM92.532,12.839C93.076,12.839 93.518,13.28 93.518,13.824V32.699C93.518,33.244 93.076,33.685 92.532,33.685H86.862C86.317,33.685 85.876,33.244 85.876,32.699V13.824C85.876,13.28 86.317,12.839 86.862,12.839H92.532Z"
+      android:fillColor="#ffffff"/>
+</vector>