diff --git a/app/src/main/java/ru/fincode/tsudesk/di/NetworkDebugModule.kt b/app/src/main/java/ru/fincode/tsudesk/di/AppConfigModule.kt
similarity index 100%
rename from app/src/main/java/ru/fincode/tsudesk/di/NetworkDebugModule.kt
rename to app/src/main/java/ru/fincode/tsudesk/di/AppConfigModule.kt
diff --git a/app/src/main/java/ru/fincode/tsudesk/presentation/main/MainNavUi.kt b/app/src/main/java/ru/fincode/tsudesk/presentation/main/MainNavUi.kt
index befad99..122b6a4 100644
--- a/app/src/main/java/ru/fincode/tsudesk/presentation/main/MainNavUi.kt
+++ b/app/src/main/java/ru/fincode/tsudesk/presentation/main/MainNavUi.kt
@@ -1,37 +1,32 @@
-package ru.fincode.tsudesk.app.presentation.main
+package ru.fincode.tsudesk.presentation.main
 
 import androidx.navigation.NavBackStackEntry
+import androidx.navigation.NavDestination
+import androidx.navigation.NavDestination.Companion.hasRoute
 import ru.fincode.tsudesk.core.navigation.AppRoute
 import ru.fincode.tsudesk.core.navigation.TopLevelDestination
-import ru.fincode.tsudesk.core.navigation.route
 
 fun selectedTopLevel(entry: NavBackStackEntry?): TopLevelDestination {
-    if (entry == null) return TopLevelDestination.SCHEDULE
+    val dest: NavDestination = entry?.destination ?: return TopLevelDestination.SCHEDULE
 
-    return runCatching {
-        when (entry.route<AppRoute>()) {
-            AppRoute.Schedule,
-            is AppRoute.ScheduleDetails -> TopLevelDestination.SCHEDULE
+    return when {
+        dest.hasRoute<AppRoute.Schedule>() || dest.hasRoute<AppRoute.ScheduleDetails>() ->
+            TopLevelDestination.SCHEDULE
 
-            AppRoute.News,
-            is AppRoute.NewsDetails -> TopLevelDestination.NEWS
+        dest.hasRoute<AppRoute.News>() || dest.hasRoute<AppRoute.NewsDetails>() ->
+            TopLevelDestination.NEWS
 
-            AppRoute.Progress -> TopLevelDestination.PROGRESS
+        dest.hasRoute<AppRoute.Progress>() ->
+            TopLevelDestination.PROGRESS
 
-            AppRoute.Settings -> TopLevelDestination.SETTINGS
+        dest.hasRoute<AppRoute.Settings>() ->
+            TopLevelDestination.SETTINGS
 
-            else -> TopLevelDestination.SCHEDULE
-        }
-    }.getOrDefault(TopLevelDestination.SCHEDULE)
+        else -> TopLevelDestination.SCHEDULE
+    }
 }
 
 fun shouldShowBottomBar(entry: NavBackStackEntry?): Boolean {
-    if (entry == null) return false
-
-    return runCatching {
-        when (entry.route<AppRoute>()) {
-            AppRoute.Splash -> false
-            else -> true
-        }
-    }.getOrDefault(true)
+    val dest: NavDestination = entry?.destination ?: return false
+    return !dest.hasRoute<AppRoute.Splash>()
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/fincode/tsudesk/presentation/main/MainScaffold.kt b/app/src/main/java/ru/fincode/tsudesk/presentation/main/MainScaffold.kt
index 0b3c5b0..a5d7baf 100644
--- a/app/src/main/java/ru/fincode/tsudesk/presentation/main/MainScaffold.kt
+++ b/app/src/main/java/ru/fincode/tsudesk/presentation/main/MainScaffold.kt
@@ -12,8 +12,6 @@ import androidx.navigation.compose.currentBackStackEntryAsState
 import ru.fincode.core.ui.components.BottomBarItem
 import ru.fincode.core.ui.components.TsudeskBottomBar
 import ru.fincode.tsudesk.R
-import ru.fincode.tsudesk.app.presentation.main.selectedTopLevel
-import ru.fincode.tsudesk.app.presentation.main.shouldShowBottomBar
 import ru.fincode.tsudesk.core.navigation.TopLevelDestination
 import ru.fincode.tsudesk.core.navigation.navigateToTopLevel
 
diff --git a/app/src/main/java/ru/fincode/tsudesk/presentation/main/TopLevelItem.kt b/app/src/main/java/ru/fincode/tsudesk/presentation/main/TopLevelItem.kt
index 323d188..408eb0c 100644
--- a/app/src/main/java/ru/fincode/tsudesk/presentation/main/TopLevelItem.kt
+++ b/app/src/main/java/ru/fincode/tsudesk/presentation/main/TopLevelItem.kt
@@ -2,7 +2,6 @@ package ru.fincode.tsudesk.presentation.main
 
 import androidx.annotation.StringRes
 import androidx.compose.ui.graphics.painter.Painter
-import androidx.compose.ui.graphics.vector.ImageVector
 import ru.fincode.tsudesk.core.navigation.TopLevelDestination
 
 data class TopLevelItem(
diff --git a/app/src/main/java/ru/fincode/tsudesk/presentation/navigation/AppNavHost.kt b/app/src/main/java/ru/fincode/tsudesk/presentation/navigation/AppNavHost.kt
index e2a89e6..70b0b66 100644
--- a/app/src/main/java/ru/fincode/tsudesk/presentation/navigation/AppNavHost.kt
+++ b/app/src/main/java/ru/fincode/tsudesk/presentation/navigation/AppNavHost.kt
@@ -1,19 +1,18 @@
 package ru.fincode.tsudesk.presentation.navigation
 
+import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.navigation.NavHostController
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
-import androidx.navigation.compose.navigation
-import ru.fincode.tsudesk.presentation.main.MainScaffold
+import androidx.navigation.compose.rememberNavController
 import ru.fincode.tsudesk.core.navigation.AppRoute
 import ru.fincode.tsudesk.core.navigation.navigateRoute
+import ru.fincode.tsudesk.presentation.main.MainScaffold
 import ru.fincode.tsudesk.feature.schedule.presentation.screen.ScheduleRoute
-
 import ru.fincode.tsudesk.feature.splash.presentation.screen.SplashRoute
 
-
 @Composable
 fun AppNavHost(
     navController: NavHostController,
@@ -33,51 +32,50 @@ fun AppNavHost(
             )
         }
 
-        navigation<AppRoute.Main>(startDestination = AppRoute.Schedule) {
+        composable<AppRoute.Main> {
+            val tabsNavController = rememberNavController()
 
-            composable<AppRoute.Schedule> {
-                MainScaffold(navController) { innerModifier ->
-                    ScheduleRoute(
-                        modifier = innerModifier,
-//                        onOpenDetails = { lessonId ->
-//                            navController.navigateRoute(AppRoute.ScheduleDetails(lessonId))
-//                        }
-                    )
-                }
+            MainScaffold(
+                navController = tabsNavController
+            ) { innerModifier ->
+                MainTabsNavHost(
+                    navController = tabsNavController,
+                    modifier = innerModifier
+                )
             }
-
-            composable<AppRoute.News> {
-                MainScaffold(navController) { innerModifier: Modifier ->
-//                    NewsScreen(
-//                        modifier = innerModifier,
-//                        onOpenDetails = { id ->
-//                            navController.navigateRoute(AppRoute.NewsDetails(id))
-//                        }
-//                    )
-                }
-            }
-
-            composable<AppRoute.Progress> {
-                MainScaffold(navController) { innerModifier: Modifier ->
-//                    ProgressScreen(modifier = innerModifier)
-                }
-            }
-
-            composable<AppRoute.Settings> {
-                MainScaffold(navController) { innerModifier ->
-                    // SettingsRoute(modifier = innerModifier)
-                }
-            }
-//
-//            composable<AppRoute.ScheduleDetails> { entry ->
-//                val args = entry.route<AppRoute.ScheduleDetails>()
-//                ScheduleDetailsScreen(lessonId = args.lessonId)
-//            }
-//
-//            composable<AppRoute.NewsDetails> { entry ->
-//                val args = entry.route<AppRoute.NewsDetails>()
-//                NewsDetailsScreen(id = args.id)
-//            }
         }
     }
+}
+
+@Composable
+private fun MainTabsNavHost(
+    navController: NavHostController,
+    modifier: Modifier = Modifier,
+) {
+    NavHost(
+        navController = navController,
+        startDestination = AppRoute.Schedule,
+        modifier = modifier
+    ) {
+        composable<AppRoute.Schedule> {
+            ScheduleRoute(modifier = Modifier.fillMaxSize())
+        }
+
+        composable<AppRoute.News> {
+            NewsRoute(modifier = Modifier.fillMaxSize())
+        }
+
+        composable<AppRoute.Progress> {
+            // ProgressRoute(modifier = Modifier)
+        }
+
+        composable<AppRoute.Settings> {
+            // SettingsRoute(modifier = Modifier)
+        }
+    }
+}
+
+@Composable
+fun NewsRoute(modifier: Modifier) {
+    TODO("Not yet implemented")
 }
\ No newline at end of file
diff --git a/core/database/impl/src/main/java/ru/fincode/core/database/impl/AppDatabase.kt b/core/database/impl/src/main/java/ru/fincode/core/database/impl/AppDatabase.kt
index b2eb0ea..b5368c9 100644
--- a/core/database/impl/src/main/java/ru/fincode/core/database/impl/AppDatabase.kt
+++ b/core/database/impl/src/main/java/ru/fincode/core/database/impl/AppDatabase.kt
@@ -13,7 +13,6 @@ import ru.fincode.tsudesk.core.database.api.schedule.ScheduleDao
         LessonCacheEntity::class
     ],
     version = 2,
-    exportSchema = true
 )
 @TypeConverters(StringListConverter::class)
 abstract class AppDatabase : RoomDatabase() {
diff --git a/feature/schedule/src/main/java/ru/fincode/tsudesk/feature/schedule/presentation/navigation/ScheduleGraph.kt b/feature/schedule/src/main/java/ru/fincode/tsudesk/feature/schedule/presentation/navigation/ScheduleGraph.kt
index 1f70f05..0843325 100644
--- a/feature/schedule/src/main/java/ru/fincode/tsudesk/feature/schedule/presentation/navigation/ScheduleGraph.kt
+++ b/feature/schedule/src/main/java/ru/fincode/tsudesk/feature/schedule/presentation/navigation/ScheduleGraph.kt
@@ -1,18 +1,25 @@
 package ru.fincode.tsudesk.feature.schedule.presentation.navigation
 
+import androidx.compose.ui.Modifier
 import androidx.navigation.NavGraphBuilder
 import androidx.navigation.compose.composable
 import ru.fincode.tsudesk.core.navigation.AppRoute
 import ru.fincode.tsudesk.feature.schedule.presentation.screen.ScheduleRoute
 
 fun NavGraphBuilder.scheduleGraph(
+    modifier: Modifier = Modifier,
+    // на будущее:
+    // onOpenDetails: (lessonId: Long) -> Unit,
 ) {
     composable<AppRoute.Schedule> {
-        ScheduleRoute()
+        ScheduleRoute(
+            modifier = modifier,
+            // onOpenDetails = onOpenDetails
+        )
     }
 
-    // composable<AppRoute.ScheduleDetails> { backStackEntry ->
-    //     val args = backStackEntry.toRoute<AppRoute.ScheduleDetails>()
+    // composable<AppRoute.ScheduleDetails> { entry ->
+    //     val args = entry.toRoute<AppRoute.ScheduleDetails>()
     //     ScheduleDetailsRoute(lessonId = args.lessonId)
     // }
-}
+}
\ No newline at end of file
diff --git a/feature/schedule/src/main/java/ru/fincode/tsudesk/feature/schedule/presentation/ScheduleAction.kt b/feature/schedule/src/main/java/ru/fincode/tsudesk/feature/schedule/presentation/screen/ScheduleAction.kt
similarity index 85%
rename from feature/schedule/src/main/java/ru/fincode/tsudesk/feature/schedule/presentation/ScheduleAction.kt
rename to feature/schedule/src/main/java/ru/fincode/tsudesk/feature/schedule/presentation/screen/ScheduleAction.kt
index 82211e0..f25e89c 100644
--- a/feature/schedule/src/main/java/ru/fincode/tsudesk/feature/schedule/presentation/ScheduleAction.kt
+++ b/feature/schedule/src/main/java/ru/fincode/tsudesk/feature/schedule/presentation/screen/ScheduleAction.kt
@@ -1,4 +1,4 @@
-package ru.fincode.tsudesk.feature.schedule.presentation
+package ru.fincode.tsudesk.feature.schedule.presentation.screen
 
 sealed interface ScheduleAction {
 
diff --git a/feature/schedule/src/main/java/ru/fincode/tsudesk/feature/schedule/presentation/screen/ScheduleContract.kt b/feature/schedule/src/main/java/ru/fincode/tsudesk/feature/schedule/presentation/screen/ScheduleUiContract.kt
similarity index 100%
rename from feature/schedule/src/main/java/ru/fincode/tsudesk/feature/schedule/presentation/screen/ScheduleContract.kt
rename to feature/schedule/src/main/java/ru/fincode/tsudesk/feature/schedule/presentation/screen/ScheduleUiContract.kt