diff --git a/.idea/kotlinc.xml b/.idea/kotlinc.xml
index 18df225..a6e82c7 100644
--- a/.idea/kotlinc.xml
+++ b/.idea/kotlinc.xml
@@ -7,10 +7,10 @@
     <option name="jvmTarget" value="1.8" />
   </component>
   <component name="KotlinCommonCompilerArguments">
-    <option name="apiVersion" value="2.0" />
-    <option name="languageVersion" value="2.0" />
+    <option name="apiVersion" value="2.1" />
+    <option name="languageVersion" value="2.1" />
   </component>
   <component name="KotlinJpsPluginSettings">
-    <option name="version" value="2.0.10" />
+    <option name="version" value="2.1.10" />
   </component>
 </project>
\ No newline at end of file
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index e7eb857..a591bae 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -46,8 +46,8 @@ android {
         applicationId = "ru.n08i40k.polytechnic.next"
         minSdk = 26
         targetSdk = 35
-        versionCode = 27
-        versionName = "3.1.0"
+        versionCode = 28
+        versionName = "3.1.1"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }
@@ -158,7 +158,7 @@ dependencies {
 
 protobuf {
     protoc {
-        artifact = "com.google.protobuf:protoc:4.29.3"
+        artifact = "com.google.protobuf:protoc:21.0-rc-1"
     }
 
     plugins {
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/Application.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/Application.kt
index ae87950..47d1d36 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/Application.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/Application.kt
@@ -18,7 +18,8 @@ import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.runBlocking
 import ru.n08i40k.polytechnic.next.app.AppContainer
-import ru.n08i40k.polytechnic.next.settings.settings
+import ru.n08i40k.polytechnic.next.proto.settings
+import ru.n08i40k.polytechnic.next.proto.settings_v0
 import ru.n08i40k.polytechnic.next.utils.Observable
 import ru.n08i40k.polytechnic.next.worker.UpdateFCMTokenWorker
 import ru.n08i40k.polytechnic.next.worker.UpdateLinkWorker
@@ -97,8 +98,35 @@ class Application : Application() {
     override fun onCreate() {
         super.onCreate()
 
+        runBlocking { fixupSettings() }
+
         VKID.init(this)
 
         setupFirebase()
     }
+
+    private suspend fun fixupSettings() {
+        val accessToken = this.settings_v0.data.map { it.accessToken }.first()
+
+        if (accessToken.isEmpty())
+            return
+
+        val userId = this.settings_v0.data.map { it.userId }.first()
+        val group = this.settings_v0.data.map { it.group }.first()
+        val version = this.settings_v0.data.map { it.version }.first()
+        val fcmToken = this.settings_v0.data.map { it.fcmToken }.first()
+
+        this.settings.updateData {
+            it
+                .toBuilder()
+                .setUserId(userId)
+                .setAccessToken(accessToken)
+                .setGroup(group)
+                .setVersion(version)
+                .setFcmToken(fcmToken)
+                .build()
+        }
+
+        this.settings_v0.updateData { it.toBuilder().clear().build() }
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/MainActivity.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/MainActivity.kt
index 9bf7ba2..24942c2 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/MainActivity.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/MainActivity.kt
@@ -22,7 +22,7 @@ import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.launch
 import ru.n08i40k.polytechnic.next.app.NotificationChannels
-import ru.n08i40k.polytechnic.next.settings.settings
+import ru.n08i40k.polytechnic.next.proto.settings
 import ru.n08i40k.polytechnic.next.ui.PolytechnicApp
 import ru.n08i40k.polytechnic.next.ui.theme.AppTheme
 import ru.n08i40k.polytechnic.next.utils.app
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/model/Lesson.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/model/Lesson.kt
index 2d091da..5369cae 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/model/Lesson.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/model/Lesson.kt
@@ -5,6 +5,7 @@ import android.os.Parcelable
 import kotlinx.parcelize.Parcelize
 import kotlinx.serialization.Serializable
 import ru.n08i40k.polytechnic.next.R
+import ru.n08i40k.polytechnic.next.utils.dayMinutes
 import ru.n08i40k.polytechnic.next.utils.limit
 
 @Parcelize
@@ -17,6 +18,8 @@ data class Lesson(
     val group: String? = null,
     val subGroups: List<SubGroup>
 ) : Parcelable {
+    val duration: Int get() = time.end.dayMinutes - time.start.dayMinutes
+
     fun getShortName(context: Context): String {
         val name =
             if (type == LessonType.BREAK)
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/network/request/AuthorizedRequest.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/network/request/AuthorizedRequest.kt
index 9b4ed9f..0da64eb 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/network/request/AuthorizedRequest.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/network/request/AuthorizedRequest.kt
@@ -8,7 +8,7 @@ import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.runBlocking
 import ru.n08i40k.polytechnic.next.app.AppContainer
 import ru.n08i40k.polytechnic.next.network.RequestBase
-import ru.n08i40k.polytechnic.next.settings.settings
+import ru.n08i40k.polytechnic.next.proto.settings
 
 open class AuthorizedRequest(
     val appContainer: AppContainer,
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/proto/CacheSerializer.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/proto/CacheSerializer.kt
new file mode 100644
index 0000000..2555ddb
--- /dev/null
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/proto/CacheSerializer.kt
@@ -0,0 +1,29 @@
+package ru.n08i40k.polytechnic.next.proto
+
+import android.content.Context
+import androidx.datastore.core.CorruptionException
+import androidx.datastore.core.DataStore
+import androidx.datastore.core.Serializer
+import androidx.datastore.dataStore
+import com.google.protobuf.InvalidProtocolBufferException
+import ru.n08i40k.polytechnic.next.Cache
+import java.io.InputStream
+import java.io.OutputStream
+
+object CacheSerializer : Serializer<Cache> {
+    override val defaultValue: Cache = Cache.getDefaultInstance()
+
+    override suspend fun readFrom(input: InputStream): Cache =
+        try {
+            Cache.parseFrom(input)
+        } catch (exception: InvalidProtocolBufferException) {
+            throw CorruptionException("Cannot read proto.", exception)
+        }
+
+    override suspend fun writeTo(t: Cache, output: OutputStream) = t.writeTo(output)
+}
+
+val Context.cache: DataStore<Cache> by dataStore(
+    fileName = "cache.pb",
+    serializer = CacheSerializer
+)
\ No newline at end of file
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/settings/SettingsSerializer.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/proto/SettingsSerializer.kt
similarity index 89%
rename from app/src/main/java/ru/n08i40k/polytechnic/next/settings/SettingsSerializer.kt
rename to app/src/main/java/ru/n08i40k/polytechnic/next/proto/SettingsSerializer.kt
index 54a9ffa..164e45e 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/settings/SettingsSerializer.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/proto/SettingsSerializer.kt
@@ -1,4 +1,4 @@
-package ru.n08i40k.polytechnic.next.settings
+package ru.n08i40k.polytechnic.next.proto
 
 import android.content.Context
 import androidx.datastore.core.CorruptionException
@@ -23,7 +23,7 @@ object SettingsSerializer : Serializer<Settings> {
     override suspend fun writeTo(t: Settings, output: OutputStream) = t.writeTo(output)
 }
 
-val Context.settings: DataStore<Settings> by dataStore(
+val Context.settings_v0: DataStore<Settings> by dataStore(
     fileName = "settings.pb",
     serializer = SettingsSerializer
 )
\ No newline at end of file
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/proto/SettingsV2Serializer.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/proto/SettingsV2Serializer.kt
new file mode 100644
index 0000000..0d4aa7b
--- /dev/null
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/proto/SettingsV2Serializer.kt
@@ -0,0 +1,29 @@
+package ru.n08i40k.polytechnic.next.proto
+
+import android.content.Context
+import androidx.datastore.core.CorruptionException
+import androidx.datastore.core.DataStore
+import androidx.datastore.core.Serializer
+import androidx.datastore.dataStore
+import com.google.protobuf.InvalidProtocolBufferException
+import ru.n08i40k.polytechnic.next.SettingsV2
+import java.io.InputStream
+import java.io.OutputStream
+
+object SettingsV2Serializer : Serializer<SettingsV2> {
+    override val defaultValue: SettingsV2 = SettingsV2.getDefaultInstance()
+
+    override suspend fun readFrom(input: InputStream): SettingsV2 =
+        try {
+            SettingsV2.parseFrom(input)
+        } catch (exception: InvalidProtocolBufferException) {
+            throw CorruptionException("Cannot read proto.", exception)
+        }
+
+    override suspend fun writeTo(t: SettingsV2, output: OutputStream) = t.writeTo(output)
+}
+
+val Context.settings: DataStore<SettingsV2> by dataStore(
+    fileName = "settings-v2.pb",
+    serializer = SettingsV2Serializer
+)
\ No newline at end of file
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/repository/cache/NetworkCacheRepository.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/repository/cache/NetworkCacheRepository.kt
index 66a6ff1..2af78c8 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/repository/cache/NetworkCacheRepository.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/repository/cache/NetworkCacheRepository.kt
@@ -1,12 +1,12 @@
 package ru.n08i40k.polytechnic.next.repository.cache
 
-import ru.n08i40k.polytechnic.next.CachedResponse
-import ru.n08i40k.polytechnic.next.UpdateDates
+import ru.n08i40k.polytechnic.next.CacheDate
+import ru.n08i40k.polytechnic.next.CacheResponse
 
 interface NetworkCacheRepository {
     suspend fun put(url: String, data: String)
 
-    suspend fun get(url: String): CachedResponse?
+    suspend fun get(url: String): CacheResponse?
 
     suspend fun clear()
 
@@ -14,7 +14,7 @@ interface NetworkCacheRepository {
 
     suspend fun setHash(hash: String)
 
-    suspend fun getUpdateDates(): UpdateDates
+    suspend fun getUpdateDates(): CacheDate
 
     suspend fun setUpdateDates(cache: Long, schedule: Long)
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/repository/cache/impl/LocalNetworkCacheRepository.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/repository/cache/impl/LocalNetworkCacheRepository.kt
index 05b79ef..4ac1f1b 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/repository/cache/impl/LocalNetworkCacheRepository.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/repository/cache/impl/LocalNetworkCacheRepository.kt
@@ -5,17 +5,18 @@ import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.withContext
-import ru.n08i40k.polytechnic.next.CachedResponse
-import ru.n08i40k.polytechnic.next.UpdateDates
+import ru.n08i40k.polytechnic.next.CacheDate
+import ru.n08i40k.polytechnic.next.CacheResponse
 import ru.n08i40k.polytechnic.next.app.AppContainer
+import ru.n08i40k.polytechnic.next.proto.cache
 import ru.n08i40k.polytechnic.next.repository.cache.NetworkCacheRepository
-import ru.n08i40k.polytechnic.next.settings.settings
 import javax.inject.Inject
 
 class LocalNetworkCacheRepository
 @Inject constructor(private val appContainer: AppContainer) : NetworkCacheRepository {
-    private val cacheMap: MutableMap<String, CachedResponse> = mutableMapOf()
-    private var updateDates: UpdateDates = UpdateDates.newBuilder().build()
+    private val cacheMap: MutableMap<String, CacheResponse> = mutableMapOf()
+    private var cacheDate: CacheDate = CacheDate.newBuilder().build()
+
     private var hash: String? = null
 
     private val context get() = appContainer.context
@@ -26,14 +27,14 @@ class LocalNetworkCacheRepository
         runBlocking {
             cacheMap.putAll(
                 context
-                    .settings
+                    .cache
                     .data
-                    .map { settings -> settings.cacheStorageMap }.first()
+                    .map { it.storageMap }.first()
             )
         }
     }
 
-    override suspend fun get(url: String): CachedResponse? {
+    override suspend fun get(url: String): CacheResponse? {
         // Если кешированного ответа нет, то возвращаем null
         // Если хеши не совпадают и локальный хеш присутствует, то возвращаем null
 
@@ -49,7 +50,7 @@ class LocalNetworkCacheRepository
         if (hash == null)
             throw IllegalStateException("Не установлен хеш!")
 
-        cacheMap[url] = CachedResponse
+        cacheMap[url] = CacheResponse
             .newBuilder()
             .setHash(this.hash)
             .setData(data)
@@ -83,21 +84,21 @@ class LocalNetworkCacheRepository
         }
     }
 
-    override suspend fun getUpdateDates(): UpdateDates {
-        return this.updateDates
+    override suspend fun getUpdateDates(): CacheDate {
+        return this.cacheDate
     }
 
     override suspend fun setUpdateDates(cache: Long, schedule: Long) {
-        updateDates = UpdateDates
+        cacheDate = CacheDate
             .newBuilder()
             .setCache(cache)
             .setSchedule(schedule).build()
 
         withContext(Dispatchers.IO) {
-            context.settings.updateData {
+            context.cache.updateData {
                 it
                     .toBuilder()
-                    .setUpdateDates(updateDates)
+                    .setDate(cacheDate)
                     .build()
             }
         }
@@ -106,10 +107,10 @@ class LocalNetworkCacheRepository
 
     private suspend fun save() {
         withContext(Dispatchers.IO) {
-            context.settings.updateData {
+            context.cache.updateData {
                 it
                     .toBuilder()
-                    .putAllCacheStorage(cacheMap)
+                    .putAllStorage(cacheMap)
                     .build()
             }
         }
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/repository/cache/impl/MockNetworkCacheRepository.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/repository/cache/impl/MockNetworkCacheRepository.kt
index 188dd53..4daec0b 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/repository/cache/impl/MockNetworkCacheRepository.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/repository/cache/impl/MockNetworkCacheRepository.kt
@@ -1,11 +1,11 @@
 package ru.n08i40k.polytechnic.next.repository.cache.impl
 
-import ru.n08i40k.polytechnic.next.CachedResponse
-import ru.n08i40k.polytechnic.next.UpdateDates
+import ru.n08i40k.polytechnic.next.CacheDate
+import ru.n08i40k.polytechnic.next.CacheResponse
 import ru.n08i40k.polytechnic.next.repository.cache.NetworkCacheRepository
 
 class MockNetworkCacheRepository : NetworkCacheRepository {
-    override suspend fun get(url: String): CachedResponse? {
+    override suspend fun get(url: String): CacheResponse? {
         return null
     }
 
@@ -19,8 +19,8 @@ class MockNetworkCacheRepository : NetworkCacheRepository {
 
     override suspend fun setHash(hash: String) {}
 
-    override suspend fun getUpdateDates(): UpdateDates {
-        return UpdateDates.newBuilder().build()
+    override suspend fun getUpdateDates(): CacheDate {
+        return CacheDate.newBuilder().build()
     }
 
     override suspend fun setUpdateDates(cache: Long, schedule: Long) {}
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/repository/profile/impl/RemoteProfileRepository.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/repository/profile/impl/RemoteProfileRepository.kt
index 3047465..15a148d 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/repository/profile/impl/RemoteProfileRepository.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/repository/profile/impl/RemoteProfileRepository.kt
@@ -7,8 +7,9 @@ import ru.n08i40k.polytechnic.next.model.Profile
 import ru.n08i40k.polytechnic.next.network.request.fcm.FcmSetToken
 import ru.n08i40k.polytechnic.next.network.request.profile.ProfileMe
 import ru.n08i40k.polytechnic.next.network.tryFuture
+import ru.n08i40k.polytechnic.next.proto.cache
+import ru.n08i40k.polytechnic.next.proto.settings
 import ru.n08i40k.polytechnic.next.repository.profile.ProfileRepository
-import ru.n08i40k.polytechnic.next.settings.settings
 import ru.n08i40k.polytechnic.next.utils.MyResult
 import ru.n08i40k.polytechnic.next.utils.app
 
@@ -40,7 +41,14 @@ class RemoteProfileRepository(private val container: AppContainer) : ProfileRepo
     override suspend fun signOut() {
         val context = container.context
 
-        container.context.settings.updateData {
+        context.settings.updateData {
+            it
+                .toBuilder()
+                .clear()
+                .build()
+        }
+
+        context.cache.updateData {
             it
                 .toBuilder()
                 .clear()
@@ -48,12 +56,5 @@ class RemoteProfileRepository(private val container: AppContainer) : ProfileRepo
         }
 
         context.app.events.signOut.next(Unit)
-
-//        context.getLifecycle().getCurrentState().isAtLeast(Lifecycle.State.RESUMED)
-//        val pm = context.packageManager
-//        val intent = pm.getLaunchIntentForPackage(context.packageName)
-//        val mainIntent = Intent.makeRestartActivityTask(intent?.component)
-//        context.startActivity(mainIntent)
-//        Runtime.getRuntime().exit(0)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/PolytechnicApp.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/PolytechnicApp.kt
index c5e05bb..f542b75 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/PolytechnicApp.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/PolytechnicApp.kt
@@ -37,7 +37,7 @@ import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.runBlocking
 import ru.n08i40k.polytechnic.next.Application
 import ru.n08i40k.polytechnic.next.R
-import ru.n08i40k.polytechnic.next.settings.settings
+import ru.n08i40k.polytechnic.next.proto.settings
 import ru.n08i40k.polytechnic.next.ui.screen.MainScreen
 import ru.n08i40k.polytechnic.next.ui.screen.auth.AuthScreen
 import ru.n08i40k.polytechnic.next.utils.app
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/model/GroupViewModel.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/model/GroupViewModel.kt
index e3d9c4e..3f56007 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/model/GroupViewModel.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/model/GroupViewModel.kt
@@ -9,7 +9,7 @@ import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
-import ru.n08i40k.polytechnic.next.UpdateDates
+import ru.n08i40k.polytechnic.next.CacheDate
 import ru.n08i40k.polytechnic.next.app.AppContainer
 import ru.n08i40k.polytechnic.next.model.GroupOrTeacher
 import ru.n08i40k.polytechnic.next.utils.MyResult
@@ -25,7 +25,7 @@ sealed interface GroupUiState {
 
     data class HasData(
         val group: GroupOrTeacher,
-        val updateDates: UpdateDates,
+        val cacheDate: CacheDate,
         val lastUpdateAt: Long,
         override val isLoading: Boolean
     ) : GroupUiState
@@ -33,7 +33,7 @@ sealed interface GroupUiState {
 
 private data class GroupViewModelState(
     val group: GroupOrTeacher? = null,
-    val updateDates: UpdateDates? = null,
+    val updateDates: CacheDate? = null,
     val lastUpdateAt: Long = 0,
     val isLoading: Boolean = false
 ) {
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/model/SearchViewModel.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/model/SearchViewModel.kt
index 0aab3ac..26be373 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/model/SearchViewModel.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/model/SearchViewModel.kt
@@ -9,7 +9,7 @@ import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
-import ru.n08i40k.polytechnic.next.UpdateDates
+import ru.n08i40k.polytechnic.next.CacheDate
 import ru.n08i40k.polytechnic.next.app.AppContainer
 import ru.n08i40k.polytechnic.next.model.GroupOrTeacher
 import ru.n08i40k.polytechnic.next.utils.MyResult
@@ -25,7 +25,7 @@ sealed interface SearchUiState {
 
     data class HasData(
         val teacher: GroupOrTeacher,
-        val updateDates: UpdateDates,
+        val cacheDate: CacheDate,
         val lastUpdateAt: Long,
         override val isLoading: Boolean
     ) : SearchUiState
@@ -33,7 +33,7 @@ sealed interface SearchUiState {
 
 private data class SearchViewModelState(
     val teacher: GroupOrTeacher? = null,
-    val updateDates: UpdateDates? = null,
+    val updateDates: CacheDate? = null,
     val lastUpdateAt: Long = 0,
     val isLoading: Boolean = false
 ) {
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/model/TeacherViewModel.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/model/TeacherViewModel.kt
index 664cfe6..32c6624 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/model/TeacherViewModel.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/model/TeacherViewModel.kt
@@ -9,7 +9,7 @@ import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
-import ru.n08i40k.polytechnic.next.UpdateDates
+import ru.n08i40k.polytechnic.next.CacheDate
 import ru.n08i40k.polytechnic.next.app.AppContainer
 import ru.n08i40k.polytechnic.next.model.GroupOrTeacher
 import ru.n08i40k.polytechnic.next.utils.MyResult
@@ -24,7 +24,7 @@ sealed interface TeacherUiState {
 
     data class HasData(
         val teacher: GroupOrTeacher,
-        val updateDates: UpdateDates,
+        val cacheDate: CacheDate,
         val lastUpdateAt: Long,
         override val isLoading: Boolean
     ) : TeacherUiState
@@ -32,7 +32,7 @@ sealed interface TeacherUiState {
 
 private data class TeacherViewModelState(
     val teacher: GroupOrTeacher? = null,
-    val updateDates: UpdateDates? = null,
+    val updateDates: CacheDate? = null,
     val lastUpdateAt: Long = 0,
     val isLoading: Boolean = false
 ) {
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/MainScreen.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/MainScreen.kt
index 108f8a4..a05833f 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/MainScreen.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/MainScreen.kt
@@ -38,7 +38,7 @@ import kotlinx.coroutines.runBlocking
 import ru.n08i40k.polytechnic.next.Application
 import ru.n08i40k.polytechnic.next.R
 import ru.n08i40k.polytechnic.next.model.UserRole
-import ru.n08i40k.polytechnic.next.settings.settings
+import ru.n08i40k.polytechnic.next.proto.settings
 import ru.n08i40k.polytechnic.next.ui.AppRoute
 import ru.n08i40k.polytechnic.next.ui.icons.AppIcons
 import ru.n08i40k.polytechnic.next.ui.icons.appicons.Filled
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/AuthScreen.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/AuthScreen.kt
index 9440c8a..5c1f136 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/AuthScreen.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/AuthScreen.kt
@@ -35,6 +35,8 @@ import androidx.navigation.compose.rememberNavController
 import com.google.android.gms.tasks.OnCompleteListener
 import com.google.android.gms.tasks.Task
 import com.google.firebase.messaging.FirebaseMessaging
+import kotlinx.coroutines.runBlocking
+import ru.n08i40k.polytechnic.next.proto.cache
 import ru.n08i40k.polytechnic.next.ui.AppRoute
 import ru.n08i40k.polytechnic.next.ui.helper.PushSnackbar
 import ru.n08i40k.polytechnic.next.ui.helper.SnackbarBox
@@ -61,8 +63,7 @@ private fun FormWrapper(
                         with(localDensity) {
                             onWidthChange(it.size.width.toDp())
                         }
-                    }
-                /*.animateContentSize()*/,
+                    },
                 content = content
             )
         }
@@ -84,6 +85,8 @@ private fun AuthForm(parentNavController: NavController, pushSnackbar: PushSnack
     }
 
     val finish: () -> Unit = {
+        runBlocking { context.cache.updateData { it.toBuilder().clear().build() } }
+
         parentNavController.navigate(AppRoute.MAIN.route) {
             popUpTo(AppRoute.AUTH.route) { inclusive = true }
         }
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/signin/ManualPage.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/signin/ManualPage.kt
index 88278b4..2ad1e85 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/signin/ManualPage.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/signin/ManualPage.kt
@@ -40,7 +40,7 @@ import kotlinx.coroutines.runBlocking
 import ru.n08i40k.polytechnic.next.R
 import ru.n08i40k.polytechnic.next.network.request.auth.AuthSignIn
 import ru.n08i40k.polytechnic.next.network.unwrapException
-import ru.n08i40k.polytechnic.next.settings.settings
+import ru.n08i40k.polytechnic.next.proto.settings
 import ru.n08i40k.polytechnic.next.ui.helper.PushSnackbar
 import ru.n08i40k.polytechnic.next.ui.helper.data.rememberInputValue
 import java.util.logging.Logger
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/signin/VKOneTap.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/signin/VKOneTap.kt
index ca47f65..891c7d3 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/signin/VKOneTap.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/signin/VKOneTap.kt
@@ -8,7 +8,7 @@ import androidx.compose.ui.tooling.preview.Preview
 import kotlinx.coroutines.runBlocking
 import ru.n08i40k.polytechnic.next.network.request.auth.AuthSignInVK
 import ru.n08i40k.polytechnic.next.network.unwrapException
-import ru.n08i40k.polytechnic.next.settings.settings
+import ru.n08i40k.polytechnic.next.proto.settings
 import ru.n08i40k.polytechnic.next.ui.widgets.OneTapComplete
 import java.util.logging.Logger
 
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/signup/ManualPage.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/signup/ManualPage.kt
index d074776..66ba855 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/signup/ManualPage.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/signup/ManualPage.kt
@@ -42,7 +42,7 @@ import ru.n08i40k.polytechnic.next.R
 import ru.n08i40k.polytechnic.next.model.UserRole
 import ru.n08i40k.polytechnic.next.network.request.auth.AuthSignUp
 import ru.n08i40k.polytechnic.next.network.unwrapException
-import ru.n08i40k.polytechnic.next.settings.settings
+import ru.n08i40k.polytechnic.next.proto.settings
 import ru.n08i40k.polytechnic.next.ui.helper.PushSnackbar
 import ru.n08i40k.polytechnic.next.ui.helper.data.rememberInputValue
 import ru.n08i40k.polytechnic.next.ui.widgets.selector.GroupSelector
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/signup/VKPage.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/signup/VKPage.kt
index d9b7f76..d8ebd1e 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/signup/VKPage.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/auth/signup/VKPage.kt
@@ -41,7 +41,7 @@ import ru.n08i40k.polytechnic.next.R
 import ru.n08i40k.polytechnic.next.model.UserRole
 import ru.n08i40k.polytechnic.next.network.request.auth.AuthSignUpVK
 import ru.n08i40k.polytechnic.next.network.unwrapException
-import ru.n08i40k.polytechnic.next.settings.settings
+import ru.n08i40k.polytechnic.next.proto.settings
 import ru.n08i40k.polytechnic.next.ui.helper.PushSnackbar
 import ru.n08i40k.polytechnic.next.ui.helper.data.rememberInputValue
 import ru.n08i40k.polytechnic.next.ui.widgets.selector.GroupSelector
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/schedule/GroupScheduleScreen.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/schedule/GroupScheduleScreen.kt
index 8cb10f8..a96c482 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/schedule/GroupScheduleScreen.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/schedule/GroupScheduleScreen.kt
@@ -65,7 +65,7 @@ fun GroupScheduleScreen(viewModel: GroupViewModel) {
                 Column {
                     val data = uiState as GroupUiState.HasData
 
-                    UpdateInfo(data.lastUpdateAt, data.updateDates)
+                    UpdateInfo(data.lastUpdateAt, data.cacheDate)
                     Spacer(Modifier.height(10.dp))
                     SchedulePager(data.group)
                 }
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/schedule/TeacherScheduleScreen.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/schedule/TeacherScheduleScreen.kt
index 448ef92..9a753b2 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/schedule/TeacherScheduleScreen.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/schedule/TeacherScheduleScreen.kt
@@ -65,7 +65,7 @@ fun TeacherScheduleScreen(viewModel: TeacherViewModel) {
                 Column {
                     val data = uiState as TeacherUiState.HasData
 
-                    UpdateInfo(data.lastUpdateAt, data.updateDates)
+                    UpdateInfo(data.lastUpdateAt, data.cacheDate)
                     Spacer(Modifier.height(10.dp))
                     SchedulePager(data.teacher)
                 }
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/schedule/TeacherSearchScreen.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/schedule/TeacherSearchScreen.kt
index 6271186..8428dbc 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/schedule/TeacherSearchScreen.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/schedule/TeacherSearchScreen.kt
@@ -85,7 +85,7 @@ fun TeacherSearchScreen(viewModel: SearchViewModel) {
                 Column {
                     val data = uiState as SearchUiState.HasData
 
-                    UpdateInfo(data.lastUpdateAt, data.updateDates)
+                    UpdateInfo(data.lastUpdateAt, data.cacheDate)
                     Spacer(Modifier.height(10.dp))
                     SchedulePager(data.teacher)
                 }
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/schedule/UpdateInfo.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/schedule/UpdateInfo.kt
index 435bcde..981288f 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/schedule/UpdateInfo.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/screen/schedule/UpdateInfo.kt
@@ -19,8 +19,8 @@ import androidx.compose.ui.text.font.FontFamily
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
+import ru.n08i40k.polytechnic.next.CacheDate
 import ru.n08i40k.polytechnic.next.R
-import ru.n08i40k.polytechnic.next.UpdateDates
 import ru.n08i40k.polytechnic.next.ui.widgets.ExpandableCard
 import ru.n08i40k.polytechnic.next.ui.widgets.ExpandableCardTitle
 import ru.n08i40k.polytechnic.next.utils.*
@@ -32,15 +32,15 @@ val expanded = mutableStateOf(false)
 @Composable
 fun UpdateInfo(
     lastUpdateAt: Long = 0,
-    updateDates: UpdateDates = UpdateDates.newBuilder().build()
+    cacheDate: CacheDate = CacheDate.newBuilder().build()
 ) {
     var expanded by remember { expanded }
 
     val format = "HH:mm:ss dd.MM.yyyy"
 
     val currentDate = Date(lastUpdateAt).toString(format)
-    val cacheUpdateDate = Date(updateDates.cache).toString(format)
-    val scheduleUpdateDate = Date(updateDates.schedule).toString(format)
+    val cacheUpdateDate = Date(cacheDate.cache).toString(format)
+    val scheduleUpdateDate = Date(cacheDate.schedule).toString(format)
 
     ExpandableCard(
         expanded = expanded,
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/widgets/schedule/DayCard.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/widgets/schedule/DayCard.kt
index a34803c..3963018 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/widgets/schedule/DayCard.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/widgets/schedule/DayCard.kt
@@ -18,9 +18,7 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
@@ -34,6 +32,7 @@ import kotlinx.coroutines.flow.flow
 import kotlinx.datetime.LocalDateTime
 import ru.n08i40k.polytechnic.next.R
 import ru.n08i40k.polytechnic.next.model.Day
+import ru.n08i40k.polytechnic.next.model.Lesson
 import ru.n08i40k.polytechnic.next.model.LessonType
 import ru.n08i40k.polytechnic.next.repository.schedule.impl.MockScheduleRepository
 import ru.n08i40k.polytechnic.next.utils.dateTime
@@ -80,7 +79,8 @@ private fun getCurrentLessonIdx(day: Day?): Flow<Int> {
 @Composable
 fun DayCard(
     modifier: Modifier = Modifier,
-    day: Day = MockScheduleRepository.exampleTeacher.days[0]
+    day: Day = MockScheduleRepository.exampleTeacher.days[0],
+    onLessonClick: (Lesson) -> Unit = {},
 ) {
     val offset = remember(day) { getDayOffset(day) }
 
@@ -119,9 +119,9 @@ fun DayCard(
             style = MaterialTheme.typography.titleLarge
         )
 
-        if (day.street != null) {
+        day.street?.let {
             Text(
-                day.street,
+                it,
                 Modifier.fillMaxWidth(),
                 textAlign = TextAlign.Center,
             )
@@ -177,12 +177,9 @@ fun DayCard(
                     LessonType.EXAM_DEFAULT     -> examCardColors
                 }
 
-                // TODO: Вернуть ExtraInfo
-                var extraInfo by remember { mutableStateOf(false) }
-
                 Box(
                     Modifier
-                        .clickable { extraInfo = true }
+                        .clickable { onLessonClick(lesson) }
                         .background(cardColors.containerColor)
                 ) {
                     val modifier =
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/widgets/schedule/ExtraInfoDialog.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/widgets/schedule/ExtraInfoDialog.kt
new file mode 100644
index 0000000..4562be0
--- /dev/null
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/widgets/schedule/ExtraInfoDialog.kt
@@ -0,0 +1,150 @@
+package ru.n08i40k.polytechnic.next.ui.widgets.schedule
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.material3.Card
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.alpha
+import androidx.compose.ui.layout.onGloballyPositioned
+import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.tooling.preview.PreviewParameter
+import androidx.compose.ui.tooling.preview.PreviewParameterProvider
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.max
+import androidx.compose.ui.window.Dialog
+import ru.n08i40k.polytechnic.next.R
+import ru.n08i40k.polytechnic.next.model.Lesson
+import ru.n08i40k.polytechnic.next.model.LessonType
+import ru.n08i40k.polytechnic.next.repository.schedule.impl.MockScheduleRepository
+import ru.n08i40k.polytechnic.next.utils.dayMinutes
+import ru.n08i40k.polytechnic.next.utils.fmtAsClock
+
+class LessonPreviewParameterProvider : PreviewParameterProvider<Lesson> {
+    override val values: Sequence<Lesson>
+        get() {
+            val lessons = MockScheduleRepository.exampleGroup.days[0].lessons
+
+            return sequenceOf(
+                lessons[0],
+                lessons[2],
+                lessons[4],
+                lessons[6],
+            )
+        }
+}
+
+@Preview
+@Composable
+private fun ExtraInfoDialogPreview(
+    @PreviewParameter(LessonPreviewParameterProvider::class) lesson: Lesson
+) {
+    ExtraInfoDialog(lesson) { }
+}
+
+@Composable
+fun ExtraInfoDialog(
+    lesson: Lesson,
+    onDismiss: () -> Unit
+) {
+    Dialog(onDismiss) {
+        Card {
+            Column(Modifier.padding(10.dp)) {
+                var minWidth by remember { mutableStateOf(Dp.Unspecified) }
+                val density = LocalDensity.current
+
+                @Composable
+                fun kvText(title: String, text: String) {
+                    Row(
+                        Modifier.alpha(if (minWidth == Dp.Unspecified) 0f else 1f),
+                        verticalAlignment = Alignment.CenterVertically
+                    ) {
+                        Text(
+                            title,
+                            Modifier
+                                .onGloballyPositioned {
+                                    with(density) {
+                                        val dp = it.size.width.toDp()
+
+                                        minWidth =
+                                            if (minWidth == Dp.Unspecified)
+                                                dp
+                                            else
+                                                max(minWidth, dp)
+                                    }
+                                }
+                                .size(minWidth, Dp.Unspecified),
+                            fontWeight = FontWeight.Bold,
+                            fontFamily = FontFamily.Monospace,
+                            textAlign = TextAlign.Right,
+                        )
+
+                        Text(text)
+                    }
+                }
+
+                kvText(stringResource(R.string.extra_info_lesson_name), lesson.name ?: "")
+                when (lesson.type) {
+                    LessonType.BREAK            -> throw IllegalArgumentException()
+                    LessonType.DEFAULT          -> null
+                    LessonType.ADDITIONAL       -> null
+                    LessonType.CONSULTATION     -> R.string.lesson_type_consultation
+                    LessonType.INDEPENDENT_WORK -> R.string.lesson_type_independent_work
+                    LessonType.EXAM             -> R.string.lesson_type_exam
+                    LessonType.EXAM_WITH_GRADE  -> R.string.lesson_type_exam_with_grade
+                    LessonType.EXAM_DEFAULT     -> R.string.lesson_type_exam_default
+                }?.let {
+                    kvText(stringResource(R.string.extra_info_type), stringResource(it))
+                }
+
+                if (lesson.subGroups.size == 1) {
+                    kvText(
+                        stringResource(R.string.extra_info_teacher),
+                        stringResource(
+                            R.string.extra_info_teacher_second,
+                            lesson.subGroups[0].teacher,
+                            lesson.subGroups[0].cabinet
+                        )
+                    )
+                } else {
+                    for (subGroup in lesson.subGroups) {
+                        kvText(
+                            stringResource(R.string.extra_info_teacher),
+                            stringResource(
+                                R.string.extra_info_teacher_second_subgroup,
+                                subGroup.teacher,
+                                subGroup.cabinet,
+                                subGroup.number
+                            )
+                        )
+                    }
+                }
+
+                kvText(
+                    stringResource(R.string.extra_info_duration),
+                    stringResource(
+                        R.string.extra_info_duration_second,
+                        lesson.time.start.dayMinutes.fmtAsClock(),
+                        lesson.time.end.dayMinutes.fmtAsClock(),
+                        lesson.duration / 60,
+                        lesson.duration % 60
+                    )
+                )
+            }
+        }
+    }
+}
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/widgets/schedule/SchedulePager.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/widgets/schedule/SchedulePager.kt
index 13996aa..0b0d065 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/widgets/schedule/SchedulePager.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/widgets/schedule/SchedulePager.kt
@@ -7,6 +7,10 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.pager.HorizontalPager
 import androidx.compose.foundation.pager.rememberPagerState
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.graphicsLayer
@@ -17,10 +21,13 @@ import androidx.compose.ui.util.lerp
 import kotlinx.datetime.LocalDateTime
 import ru.n08i40k.polytechnic.next.R
 import ru.n08i40k.polytechnic.next.model.GroupOrTeacher
+import ru.n08i40k.polytechnic.next.model.Lesson
+import ru.n08i40k.polytechnic.next.model.LessonType
 import ru.n08i40k.polytechnic.next.repository.schedule.impl.MockScheduleRepository
 import ru.n08i40k.polytechnic.next.ui.widgets.NotificationCard
 import ru.n08i40k.polytechnic.next.utils.dateTime
 import ru.n08i40k.polytechnic.next.utils.now
+import java.lang.ref.WeakReference
 import java.util.logging.Level
 import kotlin.math.absoluteValue
 
@@ -40,6 +47,8 @@ fun SchedulePager(schedule: GroupOrTeacher = MockScheduleRepository.exampleTeach
         pageCount = { schedule.days.size }
     )
 
+    var dialogLesson by remember { mutableStateOf<WeakReference<Lesson>?>(null) }
+
     Column {
         if (isScheduleOutdated(schedule))
             NotificationCard(Level.WARNING, stringResource(R.string.outdated_schedule))
@@ -69,7 +78,14 @@ fun SchedulePager(schedule: GroupOrTeacher = MockScheduleRepository.exampleTeach
                     )
                 },
                 schedule.days[page]
-            )
+            ) { dialogLesson = WeakReference(it) }
         }
     }
+
+    dialogLesson?.get()?.let { lesson ->
+        if (lesson.type == LessonType.BREAK)
+            return@let
+
+        ExtraInfoDialog(lesson) { dialogLesson = null }
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/worker/UpdateFCMTokenWorker.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/worker/UpdateFCMTokenWorker.kt
index d89cd93..4fea6dc 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/worker/UpdateFCMTokenWorker.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/worker/UpdateFCMTokenWorker.kt
@@ -13,7 +13,7 @@ import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.runBlocking
 import ru.n08i40k.polytechnic.next.app.appContainer
-import ru.n08i40k.polytechnic.next.settings.settings
+import ru.n08i40k.polytechnic.next.proto.settings
 import ru.n08i40k.polytechnic.next.utils.MyResult
 import java.time.Duration
 import java.util.logging.Logger
diff --git a/app/src/main/java/ru/n08i40k/polytechnic/next/worker/UpdateLinkWorker.kt b/app/src/main/java/ru/n08i40k/polytechnic/next/worker/UpdateLinkWorker.kt
index cd0687f..bf3471a 100644
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/worker/UpdateLinkWorker.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/worker/UpdateLinkWorker.kt
@@ -8,7 +8,7 @@ import androidx.work.WorkerParameters
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.map
 import ru.n08i40k.polytechnic.next.app.appContainer
-import ru.n08i40k.polytechnic.next.settings.settings
+import ru.n08i40k.polytechnic.next.proto.settings
 import java.util.concurrent.TimeUnit
 import java.util.logging.Logger
 
diff --git a/app/src/main/proto/cache.proto b/app/src/main/proto/cache.proto
new file mode 100644
index 0000000..35a1c4b
--- /dev/null
+++ b/app/src/main/proto/cache.proto
@@ -0,0 +1,19 @@
+syntax = "proto3";
+
+option java_package = "ru.n08i40k.polytechnic.next";
+option java_multiple_files = true;
+
+message CacheResponse {
+  string hash = 1;
+  string data = 2;
+}
+
+message CacheDate {
+  int64 cache = 1;
+  int64 schedule = 2;
+}
+
+message Cache {
+  map<string, CacheResponse> storage = 4;
+  CacheDate date = 5;
+}
\ No newline at end of file
diff --git a/app/src/main/proto/settings-v2.proto b/app/src/main/proto/settings-v2.proto
new file mode 100644
index 0000000..74bb531
--- /dev/null
+++ b/app/src/main/proto/settings-v2.proto
@@ -0,0 +1,15 @@
+syntax = "proto3";
+
+option java_package = "ru.n08i40k.polytechnic.next";
+option java_multiple_files = true;
+
+message SettingsV2 {
+  string user_id = 1;
+  string access_token = 2;
+  string group = 3;
+
+  string version = 5;
+  string suppressed_version = 6;
+
+  string fcm_token = 7;
+}
\ No newline at end of file
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index 6871a69..fc0edf5 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -100,4 +100,11 @@
     <string name="day_view_end_description">Ура, можно идти домой! Наверное :(</string>
     <string name="day_view_channel_name">Текущая пара</string>
     <string name="day_view_channel_description">Отображает текущую пару или перемену в уведомлении</string>
+    <string name="extra_info_lesson_name">"Название: "</string>
+    <string name="extra_info_teacher">"Преподаватель: "</string>
+    <string name="extra_info_teacher_second">%1$s в %2$s каб.</string>
+    <string name="extra_info_teacher_second_subgroup">%1$s в %2$s каб. [подгруппа - %3$d]</string>
+    <string name="extra_info_duration">"Длительность: "</string>
+    <string name="extra_info_duration_second">С %1$s до %2$s (%3$d ч. %4$d мин.)</string>
+    <string name="extra_info_type">"Тип: "</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 130a269..97b3e65 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -100,4 +100,11 @@
     <string name="day_view_end_description">ya ne budu eto perevidit\'</string>
     <string name="day_view_channel_name">Current lesson</string>
     <string name="day_view_channel_description">View the current lesson and breaks in notification</string>
+    <string name="extra_info_lesson_name">"Name: "</string>
+    <string name="extra_info_teacher">"Teacher: "</string>
+    <string name="extra_info_teacher_second">%1$s in %2$s cab.</string>
+    <string name="extra_info_teacher_second_subgroup">%1$s in %2$s cab. [subgroup - %3$d]</string>
+    <string name="extra_info_duration">"Duration: "</string>
+    <string name="extra_info_duration_second">From %1$s to %2$s (%3$d h. %4$d min.)</string>
+    <string name="extra_info_type">"Type: "</string>
 </resources>
\ No newline at end of file
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 5289a6d..ea60927 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,27 +1,28 @@
 [versions]
-agp = "8.8.1"
-desugar_jdk_libs = "2.1.4"
+agp = "8.8.2"
+desugar_jdk_libs = "2.1.5"
 kotlin = "2.1.10"
 coreKtx = "1.15.0"
 junit = "4.13.2"
 junitVersion = "1.2.1"
 espressoCore = "3.6.1"
 lifecycleRuntimeKtx = "2.8.7"
-activityCompose = "1.10.0"
-composeBom = "2025.02.00"
+activityCompose = "1.10.1"
+composeBom = "2025.03.00"
 accompanistSwiperefresh = "0.36.0"
-firebaseBom = "33.9.0"
+firebaseBom = "33.10.0"
 hiltAndroid = "2.55"
 hiltAndroidCompiler = "2.55"
 hiltNavigationCompose = "1.2.0"
 kotlinxSerializationJson = "1.8.0"
 protobufLite = "3.0.1"
 volley = "1.2.1"
-datastore = "1.1.2"
+datastore = "1.1.3"
 navigationCompose = "2.8.9"
 googleFirebaseCrashlytics = "3.0.3"
 workRuntime = "2.10.0"
-vkid = "2.3.1"
+#noinspection GradleDependency
+vkid = "2.2.2"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -59,8 +60,8 @@ volley = { group = "com.android.volley", name = "volley", version.ref = "volley"
 androidx-navigation-compose = { group = "androidx.navigation", name = "navigation-compose", version.ref = "navigationCompose" }
 
 firebase-bom = { module = "com.google.firebase:firebase-bom", version.ref = "firebaseBom" }
-firebase-analytics = { module = "com.google.firebase:firebase-analytics", version = "22.2.0" }
-firebase-crashlytics = { group = "com.google.firebase", name = "firebase-crashlytics", version = "19.4.0" }
+firebase-analytics = { module = "com.google.firebase:firebase-analytics", version = "22.3.0" }
+firebase-crashlytics = { group = "com.google.firebase", name = "firebase-crashlytics", version = "19.4.1" }
 firebase-messaging = { group = "com.google.firebase", name = "firebase-messaging", version = "24.1.0" }
 firebase-config = { group = "com.google.firebase", name = "firebase-config", version = "22.1.0" }
 vk-vkid = {group = "com.vk.id", name = "vkid", version.ref = "vkid" }