feat: implement device verification flow with new UI components and protocol handling

app/src/main/java/com/rosetta/messenger/database/RosettaDatabase.kt

@@ -14,8 +14,9 @@ import androidx.sqlite.db.SupportSQLiteDatabase
                         MessageEntity::class,
                         DialogEntity::class,
                         BlacklistEntity::class,
-                        AvatarCacheEntity::class],
-        version = 11,
+                        AvatarCacheEntity::class,
+                        AccountSyncTimeEntity::class],
+        version = 12,
         exportSchema = false
 )
 abstract class RosettaDatabase : RoomDatabase() {
@@ -24,6 +25,7 @@ abstract class RosettaDatabase : RoomDatabase() {
     abstract fun dialogDao(): DialogDao
     abstract fun blacklistDao(): BlacklistDao
     abstract fun avatarDao(): AvatarDao
+    abstract fun syncTimeDao(): SyncTimeDao
 
     companion object {
         @Volatile private var INSTANCE: RosettaDatabase? = null
@@ -132,6 +134,20 @@ abstract class RosettaDatabase : RoomDatabase() {
                     }
                 }
 
+        private val MIGRATION_11_12 =
+                object : Migration(11, 12) {
+                    override fun migrate(database: SupportSQLiteDatabase) {
+                        database.execSQL(
+                                """
+                    CREATE TABLE IF NOT EXISTS accounts_sync_times (
+                        account TEXT NOT NULL PRIMARY KEY,
+                        last_sync INTEGER NOT NULL
+                    )
+                """
+                        )
+                    }
+                }
+
         fun getDatabase(context: Context): RosettaDatabase {
             return INSTANCE
                     ?: synchronized(this) {
@@ -151,7 +167,8 @@ abstract class RosettaDatabase : RoomDatabase() {
                                                 MIGRATION_7_8,
                                                 MIGRATION_8_9,
                                                 MIGRATION_9_10,
-                                                MIGRATION_10_11
+                                                MIGRATION_10_11,
+                                                MIGRATION_11_12
                                         )
                                         .fallbackToDestructiveMigration() // Для разработки - только
                                         // если миграция не

app/src/main/java/com/rosetta/messenger/database/SyncEntities.kt

@@ -0,0 +1,24 @@
+package com.rosetta.messenger.database
+
+import androidx.room.ColumnInfo
+import androidx.room.Dao
+import androidx.room.Entity
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.PrimaryKey
+import androidx.room.Query
+
+@Entity(tableName = "accounts_sync_times")
+data class AccountSyncTimeEntity(
+    @PrimaryKey @ColumnInfo(name = "account") val account: String,
+    @ColumnInfo(name = "last_sync") val lastSync: Long
+)
+
+@Dao
+interface SyncTimeDao {
+    @Query("SELECT last_sync FROM accounts_sync_times WHERE account = :account LIMIT 1")
+    suspend fun getLastSync(account: String): Long?
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun upsert(entity: AccountSyncTimeEntity)
+}