Refactor the whole project structure

app/android/src/main/AndroidManifest.xml

@@ -56,7 +56,7 @@
         </receiver>
 
         <provider
-            android:name="ru.fromchat.core.files.AttachmentFileProvider"
+            android:name="ru.fromchat.api.local.cache.AttachmentFileProvider"
             android:authorities="${applicationId}.attachment_files"
             android:exported="false"
             android:grantUriPermissions="true">

app/android/src/main/kotlin/ru/fromchat/App.kt

@@ -10,8 +10,8 @@ import kotlinx.serialization.json.jsonArray
 import kotlinx.serialization.json.jsonObject
 import kotlinx.serialization.json.jsonPrimitive
 import ru.fromchat.api.ApiClient
-import ru.fromchat.api.AttachmentTransferBootstrap
-import ru.fromchat.api.WebSocketManager
+import ru.fromchat.api.local.workers.AttachmentTransferBootstrap
+import ru.fromchat.api.local.WebSocketManager
 import ru.fromchat.notifications.NotificationHelper
 
 class App: Application() {

app/android/src/main/kotlin/ru/fromchat/MainActivity.kt

@@ -13,7 +13,7 @@ import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
 import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
-import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.lifecycleScope
 import com.google.android.gms.common.ConnectionResult
 import com.google.android.gms.common.GoogleApiAvailability
 import io.ktor.client.call.body
@@ -25,13 +25,11 @@ import io.ktor.http.contentType
 import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
-import androidx.lifecycle.lifecycleScope
 import ru.fromchat.api.ApiClient
-import ru.fromchat.api.MessagesResponse
-import ru.fromchat.core.config.Config
-import ru.fromchat.core.Logger
+import ru.fromchat.api.schema.messages.MessagesResponse
+import ru.fromchat.config.ServerConfig
 import ru.fromchat.ui.App
-import ru.fromchat.ui.isPublicChatVisible
+import ru.fromchat.ui.chat.panels.publicchat.isPublicChatVisible
 
 private const val EXTRA_NOTIFICATION_CHAT_TYPE = "notification_chat_type"
 private const val EXTRA_OPEN_DM_USER_ID = "open_dm_user_id"
@@ -172,13 +170,13 @@ class MainActivity : ComponentActivity() {
             try {
                 // Get all unread messages and mark them as read
                 val messageIds = ApiClient.http
-                    .get("${Config.apiBaseUrl}/messages/new")
+                    .get("${ServerConfig.apiBaseUrl}/messages/new")
                     .body<MessagesResponse>()
                     .messages
                     .map { it.id }
 
                 if (messageIds.isNotEmpty()) {
-                    ApiClient.http.post("${Config.apiBaseUrl}/messages/read") {
+                    ApiClient.http.post("${ServerConfig.apiBaseUrl}/messages/read") {
                         contentType(ContentType.Application.Json)
                         setBody(mapOf("messageIds" to messageIds))
                     }

app/android/src/main/kotlin/ru/fromchat/fcm/FromChatFirebaseMessagingService.kt

@@ -10,7 +10,7 @@ import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
 import ru.fromchat.api.ApiClient
 import ru.fromchat.notifications.NotificationHelper
-import ru.fromchat.fcm.uploadPendingFcmTokenIfAvailable
+import ru.fromchat.api.uploadPendingFcmTokenIfAvailable
 
 @OptIn(DelicateCoroutinesApi::class)
 class FromChatFirebaseMessagingService : FirebaseMessagingService() {

app/android/src/main/kotlin/ru/fromchat/notifications/NotificationHelper.kt

@@ -27,14 +27,15 @@ import kotlinx.coroutines.launch
 import ru.fromchat.MainActivity
 import ru.fromchat.R
 import ru.fromchat.api.ApiClient
-import ru.fromchat.api.DmHistoryResponse
-import ru.fromchat.api.Message
-import ru.fromchat.api.MessagesResponse
-import ru.fromchat.core.config.Config
-import ru.fromchat.crypto.CorruptedDmMessagePlaceholder
-import ru.fromchat.crypto.DmCiphertextCorruptedException
-import ru.fromchat.crypto.decryptEnvelope
-import ru.fromchat.ui.isPublicChatVisible
+import ru.fromchat.api.schema.messages.Message
+import ru.fromchat.api.schema.messages.MessagesResponse
+import ru.fromchat.api.schema.messages.dm.DmHistoryResponse
+import ru.fromchat.config.ServerConfig
+import ru.fromchat.api.crypto.CorruptedDmMessagePlaceholder
+import ru.fromchat.api.crypto.DmCiphertextCorruptedException
+import ru.fromchat.api.crypto.decryptEnvelope
+import ru.fromchat.ui.chat.panels.publicchat.isPublicChatVisible
+import kotlin.time.Instant
 
 object NotificationHelper {
     private const val EXTRA_NOTIFICATION_CHAT_TYPE = "notification_chat_type"
@@ -141,7 +142,7 @@ object NotificationHelper {
             }
 
             val messages = ApiClient.http
-                .get("${Config.apiBaseUrl}/messages/new")
+                .get("${ServerConfig.apiBaseUrl}/messages/new")
                 .body<MessagesResponse>()
                 .messages
             Log.d("NotificationHelper", "fetchAndNotify: fetched ${messages.size} public messages")
@@ -164,7 +165,7 @@ object NotificationHelper {
                     Log.w("NotificationHelper", "fetchAndNotify: received 401; reloading token and retrying")
                     ApiClient.loadPersistedData()
                     val retryMessages = ApiClient.http
-                        .get("${Config.apiBaseUrl}/messages/new")
+                        .get("${ServerConfig.apiBaseUrl}/messages/new")
                         .body<MessagesResponse>()
                         .messages
                     Log.d(
@@ -470,7 +471,7 @@ object NotificationHelper {
                                 ).setConversationTitle("Public Chat").let {
                                     for (msg in messages.takeLast(10)) {
                                         val timestamp = try {
-                                            java.time.Instant.parse(msg.timestamp).toEpochMilli()
+                                            Instant.parse(msg.timestamp).toEpochMilliseconds()
                                         } catch (_: Exception) {
                                             System.currentTimeMillis()
                                         }

app/shared/build.gradle.kts

@@ -11,7 +11,7 @@ kotlin {
     android {
         namespace = "ru.fromchat.shared"
         minSdk = 24
-        compileSdk = 36
+        compileSdk = 37
     }
 
     compilerOptions {

app/shared/src/androidMain/AndroidManifest.xml

@@ -9,15 +9,15 @@
 
     <application>
         <service
-            android:name="ru.fromchat.calls.CallForegroundService"
+            android:name="ru.fromchat.ui.calls.CallForegroundService"
             android:exported="false"
             android:foregroundServiceType="camera|microphone" />
         <service
-            android:name="ru.fromchat.download.AttachmentDownloadForegroundService"
+            android:name="ru.fromchat.api.local.workers.AttachmentDownloadForegroundService"
             android:exported="false"
             android:foregroundServiceType="dataSync" />
         <service
-            android:name="ru.fromchat.download.AttachmentFileCopyForegroundService"
+            android:name="ru.fromchat.api.local.workers.AttachmentFileCopyForegroundService"
             android:exported="false"
             android:foregroundServiceType="dataSync" />
         <service

app/shared/src/androidMain/kotlin/ru/fromchat/Logger.android.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.core
+package ru.fromchat
 
 import android.util.Log
 

app/shared/src/androidMain/kotlin/ru/fromchat/api/DeferredStartupNetwork.android.kt

@@ -0,0 +1,6 @@
+package ru.fromchat.api
+
+actual suspend fun syncPushTokenAfterStartup() {
+    uploadPendingFcmTokenIfAvailable()
+    ensureFcmTokenRegistered()
+}

app/shared/src/androidMain/kotlin/ru/fromchat/api/FcmRegistration.android.kt

@@ -1,9 +1,9 @@
-package ru.fromchat.fcm
+package ru.fromchat.api
 
 import android.util.Log
+import com.google.android.gms.tasks.Task
 import com.google.firebase.messaging.FirebaseMessaging
 import com.pr0gramm3r101.utils.settings.settings
-import com.google.android.gms.tasks.Task
 import io.ktor.client.call.body
 import io.ktor.client.request.header
 import io.ktor.client.request.post
@@ -11,9 +11,8 @@ import io.ktor.client.request.setBody
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.suspendCancellableCoroutine
 import kotlinx.coroutines.withContext
-import ru.fromchat.api.SimpleStatusResponse
-import ru.fromchat.api.ApiClient
-import ru.fromchat.core.config.Config
+import ru.fromchat.api.schema.core.SimpleStatusResponse
+import ru.fromchat.config.ServerConfig
 import kotlin.coroutines.resume
 import kotlin.coroutines.resumeWithException
 
@@ -37,7 +36,7 @@ private suspend fun postFcmToken(token: String): Boolean {
     return runCatching {
         val suffix = token.takeLast(8)
         ApiClient.http
-            .post("${Config.apiBaseUrl}/push/register") {
+            .post("${ServerConfig.apiBaseUrl}/push/register") {
                 header("Content-Type", "application/json")
                 setBody(ApiClient.json.encodeToString(mapOf("token" to token)))
             }
@@ -107,7 +106,7 @@ actual suspend fun unregisterFcmTokenFromServer(): Boolean = withContext(Dispatc
     val token = settings.getString(CURRENT_FCM_TOKEN_KEY, "").trim()
     Log.d("FcmReg", "unregisterFcmTokenFromServer requested with token=...${token.takeLast(8)}")
     return@withContext runCatching {
-        ApiClient.http.post("${Config.apiBaseUrl}/push/unregister") {
+        ApiClient.http.post("${ServerConfig.apiBaseUrl}/push/unregister") {
             header("Content-Type", "application/json")
             if (token.isNotEmpty()) {
                 setBody(ApiClient.json.encodeToString(mapOf("token" to token)))

app/shared/src/androidMain/kotlin/ru/fromchat/api/crypto/backup/BackupCrypto.android.kt

@@ -1,7 +1,11 @@
-package ru.fromchat.crypto.backup
+package ru.fromchat.api.crypto.backup
 
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
+import ru.fromchat.api.crypto.backup.EncryptedBackupBlob
+import ru.fromchat.api.crypto.backup.PrivateKeyBundle
+import ru.fromchat.api.crypto.backup.deserializeBundle
+import ru.fromchat.api.crypto.backup.serializeBundle
 import java.security.SecureRandom
 import javax.crypto.Cipher
 import javax.crypto.spec.GCMParameterSpec

app/shared/src/androidMain/kotlin/ru/fromchat/api/crypto/dm/DmCrypto.android.kt

@@ -1,10 +1,10 @@
-package ru.fromchat.crypto.dm
+package ru.fromchat.api.crypto.dm
 
 import com.pr0gramm3r101.utils.crypto.Base64
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
-import ru.fromchat.crypto.DmCiphertextCorruptedException
-import ru.fromchat.crypto.backup.BackupCryptoPlatform
+import ru.fromchat.api.crypto.DmCiphertextCorruptedException
+import ru.fromchat.api.crypto.backup.BackupCryptoPlatform
 import java.security.GeneralSecurityException
 
 actual object DmCrypto {

app/shared/src/androidMain/kotlin/ru/fromchat/api/crypto/dm/PlatformAesGcmStreamDecrypt.android.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.crypto.dm
+package ru.fromchat.api.crypto.dm
 
 import org.bouncycastle.crypto.engines.AESEngine
 import org.bouncycastle.crypto.modes.GCMBlockCipher
@@ -6,6 +6,7 @@ import org.bouncycastle.crypto.params.AEADParameters
 import org.bouncycastle.crypto.params.KeyParameter
 import java.io.BufferedInputStream
 import java.io.BufferedOutputStream
+import java.io.File
 import java.io.FileInputStream
 import java.io.FileOutputStream
 
@@ -28,8 +29,8 @@ internal actual suspend fun platformAesGcmStreamDecryptMekFile(
     require(key.size == AES_KEY_SIZE) { "MEK must be 32 bytes" }
     require(iv.size == GCM_IV_SIZE) { "IV must be 12 bytes" }
 
-    val inputFile = java.io.File(encryptedPath)
-    val outputFile = java.io.File(outputPath)
+    val inputFile = File(encryptedPath)
+    val outputFile = File(outputPath)
     outputFile.parentFile?.mkdirs()
 
     val encryptedSize = inputFile.length()

app/shared/src/androidMain/kotlin/ru/fromchat/api/crypto/transport/TransportCrypto.android.kt

@@ -1,8 +1,9 @@
-package ru.fromchat.crypto.transport
+package ru.fromchat.api.crypto.transport
 
 import com.iwebpp.crypto.TweetNaclFast
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
+import ru.fromchat.api.crypto.transport.TransportCiphertext
 import java.security.SecureRandom
 import java.util.Base64
 

app/shared/src/androidMain/kotlin/ru/fromchat/api/crypto/transport/TransportFileEncryptor.android.kt

@@ -1,9 +1,10 @@
-package ru.fromchat.crypto.transport
+package ru.fromchat.api.crypto.transport
 
 import java.io.File
 import java.io.FileOutputStream
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
+import ru.fromchat.api.crypto.transport.encryptPlaintextFileToFcaeBlob
 
 actual object TransportFileEncryptor {
     actual suspend fun encryptPlaintextFileToTransportBlob(

app/shared/src/androidMain/kotlin/ru/fromchat/api/crypto/transport/TransportFileKey.android.kt

@@ -1,12 +1,13 @@
-package ru.fromchat.crypto.transport
+package ru.fromchat.api.crypto.transport
 
 import com.ionspin.kotlin.crypto.LibsodiumInitializer
 import com.ionspin.kotlin.crypto.box.Box
 import com.pr0gramm3r101.utils.crypto.Base64
-import ru.fromchat.crypto.backup.BackupCryptoPlatform
+import ru.fromchat.api.crypto.backup.BackupCryptoPlatform
 import javax.crypto.Mac
 import javax.crypto.spec.SecretKeySpec
 
+@OptIn(ExperimentalUnsignedTypes::class)
 internal actual fun deriveTransportFileAesKey(
     transportPublicKeyB64: String,
     ephemeralSecretKey: ByteArray,

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/cache/AttachmentFileCopyWorker.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.ui.chat
+package ru.fromchat.api.local.cache
 
 import android.content.Context
 import androidx.work.CoroutineWorker
@@ -8,6 +8,8 @@ import androidx.work.WorkManager
 import androidx.work.WorkerParameters
 import androidx.work.workDataOf
 import com.pr0gramm3r101.utils.UtilsLibrary
+import ru.fromchat.api.local.download.cachedAttachmentFileSize
+import ru.fromchat.ui.chat.copyCachedFileToDestinationUri
 
 class AttachmentFileCopyWorker(
     appContext: Context,
@@ -53,7 +55,3 @@ class AttachmentFileCopyWorker(
         }
     }
 }
-
-internal actual fun enqueuePlatformCopy(storageKey: String) {
-    AttachmentFileCopyWorker.enqueue(storageKey)
-}

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/cache/AttachmentFileProvider.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.core.files
+package ru.fromchat.api.local.cache
 
 import android.content.Context
 import android.database.Cursor
@@ -85,14 +85,14 @@ class AttachmentFileProvider : FileProvider() {
 
     companion object {
         fun uriForFile(context: Context, file: File): Uri? = runCatching {
-            FileProvider.getUriForFile(
+            getUriForFile(
                 context,
                 "${context.packageName}.attachment_files",
                 file,
             )
         }.getOrNull()
 
-        /** Strips cache storage-key prefix from on-disk basename (see [ru.fromchat.ui.chat.DecryptedFileCache]). */
+        /** Strips cache storage-key prefix from on-disk basename (see [DecryptedFileCache]). */
         internal fun displayNameFor(file: File): String =
             displayNameFromBasename(file.name)
 

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/cache/AttachmentUploadLimits.android.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.core.cache
+package ru.fromchat.api.local.cache
 
 private const val MIN_BYTES = 512L * 1024L
 private const val MAX_BYTES = 48L * 1024L * 1024L

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/cache/FileWriteSink.android.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.core.files
+package ru.fromchat.api.local.cache
 
 import java.io.BufferedOutputStream
 import java.io.File

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/cache/FromChatCacheDirs.android.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.core.cache
+package ru.fromchat.api.local.cache
 
 import com.pr0gramm3r101.utils.UtilsLibrary
 import java.io.File

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/cache/FromChatCacheGeneration.android.kt

@@ -1,11 +1,10 @@
-package ru.fromchat.core.cache
+package ru.fromchat.api.local.cache
 
 import com.pr0gramm3r101.utils.UtilsLibrary
-import java.io.File
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
-import ru.fromchat.api.db.MessageDatabaseProvider
-import ru.fromchat.core.cache.wipeFromChatCacheDirectory
+import ru.fromchat.api.local.db.store.MessageDatabaseProvider
+import java.io.File
 
 private const val GENERATION_FILE = ".generation"
 

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/cache/PendingFileSaveRegistry.android.kt

@@ -0,0 +1,5 @@
+package ru.fromchat.api.local.cache
+
+internal actual fun enqueuePlatformCopy(storageKey: String) {
+    AttachmentFileCopyWorker.enqueue(storageKey)
+}

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/cache/ResumableUploadStorage.android.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.core.cache
+package ru.fromchat.api.local.cache
 
 import android.net.Uri
 import android.content.res.AssetFileDescriptor
@@ -7,6 +7,7 @@ import java.io.File
 import java.io.FileOutputStream
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
+import java.io.InputStream
 
 private fun uploadDir(instanceId: String): File {
     val safe = instanceId.replace(Regex("[^a-zA-Z0-9._-]"), "_")
@@ -202,7 +203,7 @@ actual suspend fun repairInterruptedUploadArtifacts(
 }
 
 private class AndroidOutboundFileInputStream(
-    private val input: java.io.InputStream,
+    private val input: InputStream,
 ) : OutboundFileInputStream {
     override suspend fun read(buffer: ByteArray, offset: Int, length: Int): Int =
         withContext(Dispatchers.IO) {

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/db/MessageDatabaseLock.android.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.api.db
+package ru.fromchat.api.local.db
 
 private val lock = Any()
 

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/db/store/MessageDatabaseDriver.android.kt

@@ -1,11 +1,11 @@
-package ru.fromchat.api.db
+package ru.fromchat.api.local.db.store
 
+import androidx.sqlite.db.SupportSQLiteDatabase
 import app.cash.sqldelight.db.SqlDriver
 import app.cash.sqldelight.driver.android.AndroidSqliteDriver
 import com.pr0gramm3r101.utils.UtilsLibrary
-import androidx.sqlite.db.SupportSQLiteDatabase
-import java.io.File
 import ru.fromchat.db.MessageDatabase
+import java.io.File
 
 actual fun provideMessageDatabaseDriver(): SqlDriver {
     val context = UtilsLibrary.context
@@ -30,7 +30,7 @@ private fun removeLegacyDatabaseFiles(legacyDb: File) {
 }
 
 /**
- * SQLDelight [user_version] is not used for migrations; [ensureMessageDatabaseSchema] diffs structure.
+ * SQLDelight [user_version] is not used for migrations; [ru.fromchat.api.local.db.ensureMessageDatabaseSchema] diffs structure.
  */
 private class DiffOnlyDatabaseCallback : AndroidSqliteDriver.Callback(MessageDatabase.Schema) {
     override fun onCreate(db: SupportSQLiteDatabase) {

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/download/AttachmentDownloadForeground.android.kt

@@ -1,7 +1,7 @@
-package ru.fromchat.api
+package ru.fromchat.api.local.download
 
 import com.pr0gramm3r101.utils.UtilsLibrary
-import ru.fromchat.download.AttachmentDownloadForegroundService
+import ru.fromchat.api.local.workers.AttachmentDownloadForegroundService
 
 actual object AttachmentDownloadForeground {
     actual fun onFileDownloadStarted(storageKey: String) {

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/download/DmFileDownloader.android.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.ui.chat
+package ru.fromchat.api.local.download
 
 import android.app.Activity
 import android.content.ClipData
@@ -10,8 +10,10 @@ import android.os.Build
 import com.pr0gramm3r101.utils.UtilsLibrary
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
-import ru.fromchat.core.Logger
-import ru.fromchat.core.files.AttachmentFileProvider
+import ru.fromchat.Logger
+import ru.fromchat.api.local.cache.AttachmentFileProvider
+import ru.fromchat.api.local.mimeTypeForFilename
+import ru.fromchat.ui.chat.uriToLocalCacheFile
 
 actual suspend fun openCachedAttachmentFile(
     cacheUri: String,

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/download/EncryptedFileDownloader.android.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.api
+package ru.fromchat.api.local.download
 
 import io.ktor.client.HttpClient
 import io.ktor.client.engine.okhttp.OkHttp

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/download/LocalDecodedImageCache.android.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.ui.chat
+package ru.fromchat.api.local.download
 
 import android.graphics.Bitmap
 import android.graphics.BitmapFactory
@@ -6,6 +6,7 @@ import android.graphics.Matrix
 import android.util.LruCache
 import androidx.compose.ui.graphics.ImageBitmap
 import androidx.compose.ui.graphics.asImageBitmap
+import androidx.core.graphics.scale
 import androidx.exifinterface.media.ExifInterface
 
 actual object PlatformDecodedBitmapCache {
@@ -46,46 +47,77 @@ actual fun decodeImageBytes(bytes: ByteArray, reqWidthPx: Int, reqHeightPx: Int)
 private fun decodeSampledFromFile(path: String, reqWidthPx: Int, reqHeightPx: Int): Bitmap? {
     val orientation = readExifOrientation(path)
     val bounds = BitmapFactory.Options().apply { inJustDecodeBounds = true }
+
     BitmapFactory.decodeFile(path, bounds)
+
     if (bounds.outWidth <= 0 || bounds.outHeight <= 0) return null
+
     val (orientedW, orientedH) = orientedDimensions(bounds.outWidth, bounds.outHeight, orientation)
-    val sampleSize = calculateInSampleSize(orientedW, orientedH, reqWidthPx, reqHeightPx)
-    val options = BitmapFactory.Options().apply {
-        inSampleSize = sampleSize
+
+    return scaleBitmapToFitWithin(
+        applyExifOrientation(
+            BitmapFactory.decodeFile(
+                path,
+                BitmapFactory.Options().apply {
+                    inSampleSize = calculateInSampleSize(
+                        orientedW,
+                        orientedH,
+                        reqWidthPx,
+                        reqHeightPx
+                    )
                     inPreferredConfig = Bitmap.Config.ARGB_8888
                 }
-    val decoded = BitmapFactory.decodeFile(path, options) ?: return null
-    val oriented = applyExifOrientation(decoded, orientation)
-    return scaleBitmapToFitWithin(oriented, reqWidthPx, reqHeightPx)
+            ) ?: return null,
+            orientation
+        ),
+        reqWidthPx,
+        reqHeightPx
+    )
 }
 
 private fun decodeSampledFromBytes(bytes: ByteArray, reqWidthPx: Int, reqHeightPx: Int): Bitmap? {
     val bounds = BitmapFactory.Options().apply { inJustDecodeBounds = true }
     BitmapFactory.decodeByteArray(bytes, 0, bytes.size, bounds)
+
     if (bounds.outWidth <= 0 || bounds.outHeight <= 0) return null
-    val sampleSize = calculateInSampleSize(bounds.outWidth, bounds.outHeight, reqWidthPx, reqHeightPx)
-    val options = BitmapFactory.Options().apply {
-        inSampleSize = sampleSize
+
+    return scaleBitmapToFitWithin(
+        BitmapFactory.decodeByteArray(
+            bytes,
+            0,
+            bytes.size,
+            BitmapFactory.Options().apply {
+                inSampleSize = calculateInSampleSize(
+                    bounds.outWidth,
+                    bounds.outHeight,
+                    reqWidthPx,
+                    reqHeightPx
+                )
                 inPreferredConfig = Bitmap.Config.ARGB_8888
             }
-    val decoded = BitmapFactory.decodeByteArray(bytes, 0, bytes.size, options) ?: return null
-    return scaleBitmapToFitWithin(decoded, reqWidthPx, reqHeightPx)
+        ) ?: return null,
+        reqWidthPx,
+        reqHeightPx
+    )
 }
 
-/** Downscale only — never upscale or crop; [ContentScale.Crop] on the tile handles fill. */
 private fun scaleBitmapToFitWithin(bitmap: Bitmap, reqWidthPx: Int, reqHeightPx: Int): Bitmap {
     if (bitmap.width <= reqWidthPx && bitmap.height <= reqHeightPx) return bitmap
+
     val scale = minOf(
         reqWidthPx.toFloat() / bitmap.width.toFloat(),
         reqHeightPx.toFloat() / bitmap.height.toFloat(),
     )
+
     if (scale >= 1f) return bitmap
-    val dstW = (bitmap.width * scale).toInt().coerceAtLeast(1)
-    val dstH = (bitmap.height * scale).toInt().coerceAtLeast(1)
-    return Bitmap.createScaledBitmap(bitmap, dstW, dstH, true)
+
+    return bitmap.scale(
+        (bitmap.width * scale).toInt().coerceAtLeast(1),
+        (bitmap.height * scale).toInt().coerceAtLeast(1)
+    )
 }
 
-private fun readExifOrientation(path: String): Int =
+private fun readExifOrientation(path: String) =
     runCatching {
         ExifInterface(path).getAttributeInt(
             ExifInterface.TAG_ORIENTATION,
@@ -98,13 +130,13 @@ private fun orientedDimensions(width: Int, height: Int, orientation: Int): Pair<
         ExifInterface.ORIENTATION_ROTATE_90,
         ExifInterface.ORIENTATION_ROTATE_270,
         ExifInterface.ORIENTATION_TRANSPOSE,
-        ExifInterface.ORIENTATION_TRANSVERSE,
-        -> height to width
+        ExifInterface.ORIENTATION_TRANSVERSE -> height to width
         else -> width to height
     }
 
 private fun applyExifOrientation(bitmap: Bitmap, orientation: Int): Bitmap {
     val matrix = Matrix()
+
     when (orientation) {
         ExifInterface.ORIENTATION_ROTATE_90 -> matrix.postRotate(90f)
         ExifInterface.ORIENTATION_ROTATE_180 -> matrix.postRotate(180f)
@@ -121,8 +153,16 @@ private fun applyExifOrientation(bitmap: Bitmap, orientation: Int): Bitmap {
         }
         else -> return bitmap
     }
-    return Bitmap.createBitmap(bitmap, 0, 0, bitmap.width, bitmap.height, matrix, true)
-        ?: bitmap
+
+    return Bitmap.createBitmap(
+        bitmap,
+        0,
+        0,
+        bitmap.width,
+        bitmap.height,
+        matrix,
+        true
+    )
 }
 
 /** Android docs: largest inSampleSize where both dimensions stay >= requested. */
@@ -133,12 +173,15 @@ private fun calculateInSampleSize(
     reqHeightPx: Int,
 ): Int {
     var inSampleSize = 1
+
     if (height > reqHeightPx || width > reqWidthPx) {
-        var halfHeight = height / 2
-        var halfWidth = width / 2
+        val halfHeight = height / 2
+        val halfWidth = width / 2
+
         while (halfHeight / inSampleSize >= reqHeightPx && halfWidth / inSampleSize >= reqWidthPx) {
             inSampleSize *= 2
         }
     }
+
     return inSampleSize.coerceAtLeast(1)
 }

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/download/MessageFileSave.android.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.ui.chat
+package ru.fromchat.api.local.download
 
 import android.app.Activity
 import android.content.Context
@@ -16,6 +16,9 @@ import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import com.pr0gramm3r101.utils.UtilsLibrary
 import kotlinx.coroutines.launch
+import ru.fromchat.api.local.cache.PendingFileSaveEntry
+import ru.fromchat.api.local.cache.PendingFileSaveRegistry
+import ru.fromchat.ui.chat.copyCachedFileToDestinationUri
 
 private class CreateFileSaveContract : ActivityResultContract<SavableMessageFile, Uri?>() {
     override fun createIntent(context: Context, input: SavableMessageFile): Intent {
@@ -54,17 +57,21 @@ actual fun rememberPlatformSaveMessageFile(
     val launcher = rememberLauncherForActivityResult(CreateFileSaveContract()) { destination ->
         val pending = pendingSavable
         pendingSavable = null
+
         if (destination == null || pending == null) {
             onComplete(false)
             return@rememberLauncherForActivityResult
         }
+
         scope.launch {
             runCatching {
-                val flags = Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
-                UtilsLibrary.context.contentResolver.takePersistableUriPermission(destination, flags)
+                UtilsLibrary.context.contentResolver.takePersistableUriPermission(
+                    destination,
+                    Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+                )
             }
-            val cacheUri = pending.cacheUri
-            if (cachedAttachmentFileSize(cacheUri) <= 0L) {
+
+            if (cachedAttachmentFileSize(pending.cacheUri) <= 0L) {
                 PendingFileSaveRegistry.schedule(
                     PendingFileSaveEntry(
                         storageKey = pending.storageKey,
@@ -77,12 +84,14 @@ actual fun rememberPlatformSaveMessageFile(
                 onComplete(false)
                 return@launch
             }
+
             val ok = copyCachedFileToDestinationUri(
-                sourceCacheUri = cacheUri,
+                sourceCacheUri = pending.cacheUri,
                 destinationUri = destination.toString(),
                 storageKey = pending.storageKey,
                 displayFilename = pending.filename,
             )
+
             if (ok) {
                 PendingFileSaveRegistry.remove(pending.storageKey)
             } else {
@@ -96,9 +105,11 @@ actual fun rememberPlatformSaveMessageFile(
                     ),
                 )
             }
+
             onComplete(ok)
         }
     }
+
     return remember(launcher) {
         { savable: SavableMessageFile ->
             pendingSavable = savable

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/download/MessageImageSave.android.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.ui.chat
+package ru.fromchat.api.local.download
 
 import android.app.Activity
 import android.content.Context
@@ -59,15 +59,17 @@ actual fun rememberPlatformSaveMessageImage(
             onComplete(false)
             return@rememberLauncherForActivityResult
         }
+
         scope.launch {
-            val ok = withContext(Dispatchers.IO) {
+            onComplete(
+                withContext(Dispatchers.IO) {
                     runCatching {
                         UtilsLibrary.context.contentResolver.openOutputStream(destination)?.use { out ->
                             out.write(bytes)
                         } != null
                     }.getOrDefault(false)
                 }
-            onComplete(ok)
+            )
         }
     }
 

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/send/MediaUploadForegroundHelper.kt

@@ -1,5 +1,6 @@
-package ru.fromchat.api.outbox
+package ru.fromchat.api.local.send
 
+import android.R
 import android.app.Notification
 import android.app.NotificationChannel
 import android.app.NotificationManager
@@ -47,7 +48,7 @@ object MediaUploadForegroundHelper {
         val builder = NotificationCompat.Builder(context, CHANNEL_ID)
             .setContentTitle(title)
             .setContentText(contentText)
-            .setSmallIcon(android.R.drawable.stat_sys_upload)
+            .setSmallIcon(R.drawable.stat_sys_upload)
             .setOngoing(true)
             .setOnlyAlertOnce(true)
             .setPriority(NotificationCompat.PRIORITY_LOW)

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/send/OutboxProcessor.android.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.api.outbox
+package ru.fromchat.api.local.send
 
 import androidx.work.Constraints
 import androidx.work.Data

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/send/OutboxSendWorker.kt

@@ -1,13 +1,13 @@
-package ru.fromchat.api.outbox
+package ru.fromchat.api.local.send
 
 import android.content.Context
 import androidx.work.CoroutineWorker
 import androidx.work.WorkerParameters
 import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.launch
-import ru.fromchat.api.AttachmentUploadNotifier
-import ru.fromchat.api.AttachmentUploadProgress
-import ru.fromchat.core.cache.CacheContext
+import ru.fromchat.api.local.workers.AttachmentUploadNotifier
+import ru.fromchat.api.local.workers.AttachmentUploadProgress
+import ru.fromchat.api.local.cache.CacheContext
 
 class OutboxSendWorker(
     context: Context,

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/workers/AttachmentDownloadForegroundService.kt

@@ -1,5 +1,6 @@
-package ru.fromchat.download
+package ru.fromchat.api.local.workers
 
+import android.R
 import android.app.Notification
 import android.app.NotificationChannel
 import android.app.NotificationManager
@@ -104,7 +105,7 @@ class AttachmentDownloadForegroundService : Service() {
         val builder = NotificationCompat.Builder(this, CHANNEL_ID)
             .setContentTitle(title)
             .setContentText(contentText)
-            .setSmallIcon(android.R.drawable.stat_sys_download)
+            .setSmallIcon(R.drawable.stat_sys_download)
             .setOngoing(true)
             .setOnlyAlertOnce(true)
             .setPriority(NotificationCompat.PRIORITY_LOW)
@@ -127,9 +128,9 @@ class AttachmentDownloadForegroundService : Service() {
         private const val CHANNEL_ID = "fromchat_file_download"
         private const val NOTIFICATION_ID = 0xFC12
 
-        private const val ACTION_START = "ru.fromchat.download.AttachmentDownloadForegroundService.START"
-        private const val ACTION_STOP = "ru.fromchat.download.AttachmentDownloadForegroundService.STOP"
-        private const val ACTION_UPDATE = "ru.fromchat.download.AttachmentDownloadForegroundService.UPDATE"
+        private const val ACTION_START = "ru.fromchat.api.local.workers.AttachmentDownloadForegroundService.START"
+        private const val ACTION_STOP = "ru.fromchat.api.local.workers.AttachmentDownloadForegroundService.STOP"
+        private const val ACTION_UPDATE = "ru.fromchat.api.local.workers.AttachmentDownloadForegroundService.UPDATE"
 
         private const val EXTRA_CHANNEL_NAME = "channel_name"
         private const val EXTRA_TITLE = "title"

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/workers/AttachmentFileCopyForeground.android.kt

@@ -1,7 +1,6 @@
-package ru.fromchat.api
+package ru.fromchat.api.local.workers
 
 import com.pr0gramm3r101.utils.UtilsLibrary
-import ru.fromchat.download.AttachmentFileCopyForegroundService
 
 actual object AttachmentFileCopyForeground {
     actual fun onCopyStarted(storageKey: String, displayLabel: String?) {

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/workers/AttachmentFileCopyForegroundService.kt

@@ -1,5 +1,6 @@
-package ru.fromchat.download
+package ru.fromchat.api.local.workers
 
+import android.R
 import android.app.Notification
 import android.app.NotificationChannel
 import android.app.NotificationManager
@@ -51,7 +52,7 @@ class AttachmentFileCopyForegroundService : Service() {
         val notification = NotificationCompat.Builder(this, CHANNEL_ID)
             .setContentTitle(title)
             .setContentText(contentText)
-            .setSmallIcon(android.R.drawable.stat_sys_download_done)
+            .setSmallIcon(R.drawable.stat_sys_download_done)
             .setOngoing(true)
             .setOnlyAlertOnce(true)
             .setPriority(NotificationCompat.PRIORITY_LOW)
@@ -81,9 +82,9 @@ class AttachmentFileCopyForegroundService : Service() {
         private const val NOTIFICATION_ID = 0xFC13
 
         private const val ACTION_START =
-            "ru.fromchat.download.AttachmentFileCopyForegroundService.START"
+            "ru.fromchat.api.local.workers.AttachmentFileCopyForegroundService.START"
         private const val ACTION_STOP =
-            "ru.fromchat.download.AttachmentFileCopyForegroundService.STOP"
+            "ru.fromchat.api.local.workers.AttachmentFileCopyForegroundService.STOP"
 
         private const val EXTRA_CHANNEL_NAME = "channel_name"
         private const val EXTRA_TITLE = "title"

app/shared/src/androidMain/kotlin/ru/fromchat/api/local/workers/AttachmentUploadQueue.android.kt

@@ -1,11 +1,12 @@
-package ru.fromchat.api
+package ru.fromchat.api.local.workers
 
 import kotlinx.coroutines.MainScope
 import kotlinx.coroutines.flow.SharedFlow
 import kotlinx.coroutines.launch
-import ru.fromchat.api.outbox.OutgoingMessageCoordinator
-import ru.fromchat.api.outbox.scheduleOutboxProcessing
-import ru.fromchat.core.cache.CacheContext
+import ru.fromchat.api.local.db.store.MessageDatabaseProvider
+import ru.fromchat.api.local.send.OutgoingMessageCoordinator
+import ru.fromchat.api.local.send.scheduleOutboxProcessing
+import ru.fromchat.api.local.cache.CacheContext
 
 actual object AttachmentUploadQueue {
     actual val progressFlow: SharedFlow<AttachmentUploadProgress> = AttachmentUploadNotifier.progressFlow
@@ -18,7 +19,7 @@ actual object AttachmentUploadQueue {
         val instanceId = CacheContext.activeInstanceId.value.trim()
         if (instanceId.isEmpty()) return
         MainScope().launch {
-            val row = ru.fromchat.api.db.MessageDatabaseProvider.database.messageDatabaseQueries
+            val row = MessageDatabaseProvider.database.messageDatabaseQueries
                 .selectOutboxItem(instanceId, jobId.trim())
                 .executeAsOneOrNull()
             val conversationId = row?.conversationId ?: return@launch

app/shared/src/androidMain/kotlin/ru/fromchat/core/DeferredStartupNetwork.android.kt

@@ -1,9 +0,0 @@
-package ru.fromchat.core
-
-import ru.fromchat.fcm.ensureFcmTokenRegistered
-import ru.fromchat.fcm.uploadPendingFcmTokenIfAvailable
-
-actual suspend fun syncPushTokenAfterStartup() {
-    uploadPendingFcmTokenIfAvailable()
-    ensureFcmTokenRegistered()
-}

app/shared/src/androidMain/kotlin/ru/fromchat/debug/DebugLogger.android.kt

@@ -1,55 +0,0 @@
-package ru.fromchat.debug
-
-import io.ktor.client.HttpClient
-import io.ktor.client.engine.okhttp.OkHttp
-import io.ktor.client.request.header
-import io.ktor.client.request.post
-import io.ktor.client.request.setBody
-import io.ktor.http.ContentType
-import io.ktor.http.contentType
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.SupervisorJob
-import kotlinx.coroutines.launch
-
-actual object DebugLogger {
-    private const val ENDPOINT =
-        "http://127.0.0.1:7809/ingest/d9aebf8d-fb01-41c9-af88-eb0676507989"
-    private const val SESSION_ID = "9be525"
-
-    // Single shared Ktor client for all debug logs.
-    private val client = HttpClient(OkHttp)
-
-    // Lightweight scope for fire-and-forget debug logging.
-    private val scope = CoroutineScope(SupervisorJob() + Dispatchers.IO)
-
-    actual fun log(payload: DebugLogPayload) {
-        // Network logging is best-effort; never throw from here.
-        val safeMessage = payload.message.replace("\"", "'")
-        val safeLocation = payload.location.replace("\"", "'")
-        val json = buildString {
-            append('{')
-            append("\"sessionId\":\"").append(payload.sessionId).append('"')
-            append(",\"runId\":\"").append(payload.runId).append('"')
-            append(",\"hypothesisId\":\"").append(payload.hypothesisId).append('"')
-            append(",\"location\":\"").append(safeLocation).append('"')
-            append(",\"message\":\"").append(safeMessage).append('"')
-            append(",\"data\":").append(payload.data)
-            append(",\"timestamp\":").append(payload.timestamp)
-            append('}')
-        }
-
-        scope.launch {
-            try {
-                client.post(ENDPOINT) {
-                    contentType(ContentType.Application.Json)
-                    header("X-Debug-Session-Id", SESSION_ID)
-                    setBody(json)
-                }
-            } catch (_: Exception) {
-                // Swallow all errors in debug logger.
-            }
-        }
-    }
-}
-

app/shared/src/androidMain/kotlin/ru/fromchat/platform/CurrentDeviceInfo.android.kt

@@ -1,22 +0,0 @@
-package ru.fromchat.platform
-
-import android.os.Build
-
-private fun String?.trimIfNotBlank(): String? =
-    this?.trim()?.takeIf { it.isNotEmpty() }
-
-actual fun currentDeviceInfo(): CurrentDeviceInfo {
-    val osName = "Android"
-    val osVersion = Build.VERSION.RELEASE.trimIfNotBlank() ?: Build.VERSION.SDK_INT.toString()
-    val brand = Build.BRAND.trimIfNotBlank() ?: Build.MANUFACTURER.trimIfNotBlank()
-    val model = Build.MODEL.trimIfNotBlank()
-
-    return CurrentDeviceInfo(
-        osName = osName,
-        osVersion = osVersion,
-        deviceType = "mobile",
-        deviceName = model?.let { if (it.contains(brand.orEmpty(), ignoreCase = true)) it else listOfNotNull(brand, it).joinToString(" ") },
-        brand = brand,
-        model = model
-    )
-}

app/shared/src/androidMain/kotlin/ru/fromchat/ui/calls/CallForegroundService.kt

@@ -1,19 +1,21 @@
-package ru.fromchat.calls
+package ru.fromchat.ui.calls
 
+import android.R
 import android.app.Notification
 import android.app.NotificationChannel
 import android.app.NotificationManager
 import android.app.PendingIntent
 import android.app.Service
-import android.graphics.Color
 import android.content.Context
 import android.content.Intent
 import android.content.pm.ServiceInfo
+import android.graphics.Color
 import android.os.Build
 import androidx.core.app.NotificationCompat
 import androidx.core.app.Person
 import androidx.core.app.ServiceCompat
 import androidx.core.content.ContextCompat
+import ru.fromchat.api.calls.CallStore
 
 /**
  * Foreground call session: keeps camera / mic eligible in background.
@@ -34,7 +36,7 @@ class CallForegroundService : Service() {
                 stopSelf()
                 return START_NOT_STICKY
             }
-            ACTION_START -> startAsForeground(intent!!)
+            ACTION_START -> startAsForeground(intent)
             ACTION_STOP -> {
                 stopForeground(STOP_FOREGROUND_REMOVE)
                 stopSelf()
@@ -61,7 +63,7 @@ class CallForegroundService : Service() {
         val smallIcon = try {
             packageManager.getApplicationInfo(packageName, 0).icon
         } catch (_: Exception) {
-            android.R.drawable.sym_call_outgoing
+            R.drawable.sym_call_outgoing
         }
 
         val hangUpPi = PendingIntent.getService(

app/shared/src/androidMain/kotlin/ru/fromchat/ui/calls/CallMediaLayer.android.kt

@@ -1,6 +1,7 @@
-package ru.fromchat.calls
+package ru.fromchat.ui.calls
 
 import android.Manifest
+import android.R
 import android.app.Activity
 import android.app.Notification
 import android.app.NotificationChannel
@@ -19,8 +20,8 @@ import androidx.compose.animation.SharedTransitionLayout
 import androidx.compose.animation.SharedTransitionScope
 import androidx.compose.animation.core.Animatable
 import androidx.compose.animation.core.LinearEasing
-import androidx.compose.animation.core.Spring
 import androidx.compose.animation.core.RepeatMode
+import androidx.compose.animation.core.Spring
 import androidx.compose.animation.core.animateFloat
 import androidx.compose.animation.core.infiniteRepeatable
 import androidx.compose.animation.core.rememberInfiniteTransition
@@ -40,13 +41,11 @@ import androidx.compose.foundation.layout.WindowInsets
 import androidx.compose.foundation.layout.asPaddingValues
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.navigationBars
 import androidx.compose.foundation.layout.offset
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.safeDrawing
 import androidx.compose.foundation.layout.size
-import androidx.compose.foundation.layout.statusBars
 import androidx.compose.foundation.layout.widthIn
 import androidx.compose.foundation.layout.windowInsetsPadding
 import androidx.compose.foundation.shape.CircleShape
@@ -64,25 +63,24 @@ import androidx.compose.material3.FilledTonalIconButton
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButtonDefaults
 import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Text
+import ru.fromchat.ui.components.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.key
 import androidx.compose.runtime.mutableFloatStateOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
-import androidx.compose.runtime.key
 import androidx.compose.runtime.rememberUpdatedState
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.zIndex
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.geometry.Offset
-import androidx.compose.ui.graphics.Shape
 import androidx.compose.ui.graphics.Brush
+import androidx.compose.ui.graphics.Shape
 import androidx.compose.ui.graphics.graphicsLayer
 import androidx.compose.ui.input.pointer.pointerInput
 import androidx.compose.ui.platform.LocalContext
@@ -91,8 +89,10 @@ import androidx.compose.ui.platform.LocalLayoutDirection
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.IntOffset
 import androidx.compose.ui.unit.dp
+import androidx.compose.ui.zIndex
 import androidx.core.app.NotificationCompat
 import androidx.core.content.ContextCompat
+import dev.chrisbanes.haze.HazeState
 import dev.chrisbanes.haze.hazeEffect
 import dev.chrisbanes.haze.hazeSource
 import dev.chrisbanes.haze.materials.ExperimentalHazeMaterialsApi
@@ -100,21 +100,19 @@ import dev.chrisbanes.haze.materials.HazeMaterials
 import dev.chrisbanes.haze.rememberHazeState
 import io.livekit.android.RoomOptions
 import io.livekit.android.compose.local.RoomScope
-import io.livekit.android.events.RoomEvent
-import io.livekit.android.events.collect
 import io.livekit.android.compose.state.rememberParticipantTrackReferences
 import io.livekit.android.compose.state.rememberParticipants
 import io.livekit.android.compose.types.TrackReference
 import io.livekit.android.compose.ui.ScaleType
 import io.livekit.android.compose.ui.VideoTrackView
+import io.livekit.android.events.RoomEvent
+import io.livekit.android.events.collect
 import io.livekit.android.room.Room
-import io.livekit.android.room.track.LocalAudioTrackOptions
 import io.livekit.android.room.participant.LocalParticipant
 import io.livekit.android.room.participant.Participant
+import io.livekit.android.room.track.LocalAudioTrackOptions
 import io.livekit.android.room.track.Track
 import io.livekit.android.room.track.screencapture.ScreenCaptureParams
-import kotlin.math.roundToInt
-import kotlin.math.sqrt
 import kotlinx.coroutines.NonCancellable
 import kotlinx.coroutines.async
 import kotlinx.coroutines.awaitAll
@@ -123,14 +121,29 @@ import kotlinx.coroutines.delay
 import kotlinx.coroutines.isActive
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
-import kotlinx.coroutines.yield
 import org.jetbrains.compose.resources.stringResource
 import ru.fromchat.Res
-import ru.fromchat.*
 import ru.fromchat.api.ApiClient
-import ru.fromchat.api.ProfileCache
-import ru.fromchat.core.Logger
+import ru.fromchat.api.calls.CallStore
+import ru.fromchat.api.calls.LiveKitConnectSession
+import ru.fromchat.api.local.db.store.ProfileCache
+import ru.fromchat.call_status_connecting
+import ru.fromchat.call_status_reconnecting
+import ru.fromchat.call_status_reconnecting_with_detail
+import ru.fromchat.cd_call_camera
+import ru.fromchat.cd_call_end
+import ru.fromchat.cd_call_mic
+import ru.fromchat.cd_call_screenshare
+import ru.fromchat.Logger
+import ru.fromchat.message_sender_you
+import ru.fromchat.notif_call_channel_name
+import ru.fromchat.notif_call_ongoing_text
+import ru.fromchat.notif_call_ongoing_title
+import ru.fromchat.notif_screenshare_text
+import ru.fromchat.notif_screenshare_title
 import ru.fromchat.ui.chat.Avatar
+import kotlin.math.roundToInt
+import kotlin.math.sqrt
 
 private const val TAG = "CallMediaLayer"
 private const val SCREEN_SHARE_NOTIFICATION_ID = 99102
@@ -458,10 +471,9 @@ actual fun CallMediaLayer(
                             }
                             is RoomEvent.FailedToConnect -> {
                                 val msg =
-                                    event.error?.message
-                                        ?.takeIf { it.isNotBlank() }
-                                        ?: event.error?.toString()
-                                            .orEmpty()
+                                    event.error.message?.takeIf { it.isNotBlank() }
+                                    ?: event.error.toString()
+
                                 Logger.e(TAG, "RoomEvent.FailedToConnect", event.error)
                                 scheduleReconnect(msg.takeIf { it.isNotBlank() })
                             }
@@ -1159,7 +1171,7 @@ private fun CallPreviewCluster(
     }
 }
 
-@OptIn(ExperimentalSharedTransitionApi::class)
+@OptIn(ExperimentalSharedTransitionApi::class, ExperimentalHazeMaterialsApi::class)
 @Composable
 private fun PreviewTile(
     room: Room,
@@ -1232,7 +1244,7 @@ private fun CallInlineControlBar(
     room: Room,
     micRequestedOn: Boolean,
     onMicRequestedChange: (Boolean) -> Unit,
-    hazeState: dev.chrisbanes.haze.HazeState,
+    hazeState: HazeState,
     modifier: Modifier,
 ) {
     val scope = rememberCoroutineScope()
@@ -1277,7 +1289,7 @@ private fun CallInlineControlBar(
         val smallIcon = try {
             context.packageManager.getApplicationInfo(context.packageName, 0).icon
         } catch (_: Exception) {
-            android.R.drawable.stat_sys_upload
+            R.drawable.stat_sys_upload
         }
         return NotificationCompat.Builder(context, SCREEN_SHARE_CHANNEL_ID)
             .setContentTitle(updatedTitle)

app/shared/src/androidMain/kotlin/ru/fromchat/ui/calls/InlineCallChrome.android.kt

@@ -1,3 +1,3 @@
-package ru.fromchat.calls
+package ru.fromchat.ui.calls
 
 actual val UseInlineInCallChrome: Boolean = true

app/shared/src/androidMain/kotlin/ru/fromchat/ui/chat/AttachmentFileCopy.android.kt

@@ -4,7 +4,7 @@ import android.net.Uri
 import com.pr0gramm3r101.utils.UtilsLibrary
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
-import ru.fromchat.api.AttachmentFileCopyForeground
+import ru.fromchat.api.local.workers.AttachmentFileCopyForeground
 import java.io.File
 import java.io.FileInputStream
 

app/shared/src/androidMain/kotlin/ru/fromchat/ui/chat/AttachmentPickers.android.kt

@@ -1,150 +0,0 @@
-package ru.fromchat.ui.chat
-
-import android.graphics.BitmapFactory
-import android.net.Uri
-import android.provider.OpenableColumns
-import androidx.exifinterface.media.ExifInterface
-import androidx.activity.compose.rememberLauncherForActivityResult
-import androidx.activity.result.PickVisualMediaRequest
-import androidx.activity.result.contract.ActivityResultContracts
-import androidx.compose.runtime.Composable
-
-actual fun getFilenameFromUri(uri: String): String {
-    val context = com.pr0gramm3r101.utils.UtilsLibrary.context
-    context.contentResolver.query(Uri.parse(uri), null, null, null, null)?.use { cursor ->
-        val nameIndex = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME)
-        if (nameIndex >= 0 && cursor.moveToFirst()) {
-            val name = cursor.getString(nameIndex)
-            if (!name.isNullOrBlank()) return name
-        }
-    }
-    return uri.substringAfterLast('/').takeIf { it.isNotBlank() } ?: "file"
-}
-
-actual suspend fun getImageAspectRatio(uri: String): Float? {
-    val context = com.pr0gramm3r101.utils.UtilsLibrary.context
-    val parsed = Uri.parse(uri)
-    val orientation = when {
-        parsed.scheme == "content" || parsed.scheme == "file" -> {
-            runCatching {
-                context.contentResolver.openInputStream(parsed)?.use { stream ->
-                    ExifInterface(stream).getAttributeInt(
-                        ExifInterface.TAG_ORIENTATION,
-                        ExifInterface.ORIENTATION_NORMAL,
-                    )
-                }
-            }.getOrNull() ?: ExifInterface.ORIENTATION_NORMAL
-        }
-        else -> {
-            val path = parsed.path
-            if (path != null) {
-                runCatching {
-                    ExifInterface(path).getAttributeInt(
-                        ExifInterface.TAG_ORIENTATION,
-                        ExifInterface.ORIENTATION_NORMAL,
-                    )
-                }.getOrNull() ?: ExifInterface.ORIENTATION_NORMAL
-            } else {
-                ExifInterface.ORIENTATION_NORMAL
-            }
-        }
-    }
-    context.contentResolver.openInputStream(parsed)?.use { stream ->
-        val options = BitmapFactory.Options().apply { inJustDecodeBounds = true }
-        BitmapFactory.decodeStream(stream, null, options)
-        var w = options.outWidth
-        var h = options.outHeight
-        if (w <= 0 || h <= 0) return null
-        when (orientation) {
-            ExifInterface.ORIENTATION_ROTATE_90,
-            ExifInterface.ORIENTATION_ROTATE_270,
-            ExifInterface.ORIENTATION_TRANSPOSE,
-            ExifInterface.ORIENTATION_TRANSVERSE,
-            -> {
-                val swap = w
-                w = h
-                h = swap
-            }
-        }
-        return w.toFloat() / h.toFloat()
-    }
-    return null
-}
-
-actual suspend fun getImageDimensions(uri: String): Pair<Int, Int>? {
-    val context = com.pr0gramm3r101.utils.UtilsLibrary.context
-    val parsed = Uri.parse(uri)
-    val orientation = when {
-        parsed.scheme == "content" || parsed.scheme == "file" -> {
-            runCatching {
-                context.contentResolver.openInputStream(parsed)?.use { stream ->
-                    ExifInterface(stream).getAttributeInt(
-                        ExifInterface.TAG_ORIENTATION,
-                        ExifInterface.ORIENTATION_NORMAL,
-                    )
-                }
-            }.getOrNull() ?: ExifInterface.ORIENTATION_NORMAL
-        }
-        else -> {
-            val path = parsed.path
-            if (path != null) {
-                runCatching {
-                    ExifInterface(path).getAttributeInt(
-                        ExifInterface.TAG_ORIENTATION,
-                        ExifInterface.ORIENTATION_NORMAL,
-                    )
-                }.getOrNull() ?: ExifInterface.ORIENTATION_NORMAL
-            } else {
-                ExifInterface.ORIENTATION_NORMAL
-            }
-        }
-    }
-    context.contentResolver.openInputStream(parsed)?.use { stream ->
-        val options = BitmapFactory.Options().apply { inJustDecodeBounds = true }
-        BitmapFactory.decodeStream(stream, null, options)
-        var w = options.outWidth
-        var h = options.outHeight
-        if (w <= 0 || h <= 0) return null
-        when (orientation) {
-            ExifInterface.ORIENTATION_ROTATE_90,
-            ExifInterface.ORIENTATION_ROTATE_270,
-            ExifInterface.ORIENTATION_TRANSPOSE,
-            ExifInterface.ORIENTATION_TRANSVERSE,
-            -> {
-                val swap = w
-                w = h
-                h = swap
-            }
-        }
-        return w to h
-    }
-    return null
-}
-
-@Composable
-actual fun rememberImagePicker(onResult: (List<String>) -> Unit): () -> Unit {
-    val launcher = rememberLauncherForActivityResult(
-        contract = ActivityResultContracts.PickMultipleVisualMedia()
-    ) { uris: List<Uri> ->
-        onResult(uris.map { it.toString() })
-    }
-    return {
-        launcher.launch(
-            PickVisualMediaRequest.Builder()
-                .setMediaType(ActivityResultContracts.PickVisualMedia.ImageOnly)
-                .build()
-        )
-    }
-}
-
-@Composable
-actual fun rememberFilePicker(onResult: (List<String>) -> Unit): () -> Unit {
-    val launcher = rememberLauncherForActivityResult(
-        contract = ActivityResultContracts.OpenMultipleDocuments()
-    ) { uris: List<Uri> ->
-        onResult(uris.map { it.toString() })
-    }
-    return {
-        launcher.launch(arrayOf("*/*"))
-    }
-}

app/shared/src/androidMain/kotlin/ru/fromchat/ui/chat/utils/AttachmentFileDownload.android.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.ui.chat
+package ru.fromchat.ui.chat.utils
 
 import android.app.Activity
 import android.content.Context

app/shared/src/androidMain/kotlin/ru/fromchat/ui/chat/utils/AttachmentOpenFeedback.android.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.ui.chat
+package ru.fromchat.ui.chat.utils
 
 import android.widget.Toast
 import com.pr0gramm3r101.utils.UtilsLibrary

app/shared/src/androidMain/kotlin/ru/fromchat/ui/chat/utils/AttachmentPickers.android.kt

@@ -0,0 +1,118 @@
+package ru.fromchat.ui.chat.utils
+
+import android.graphics.BitmapFactory
+import android.net.Uri
+import android.provider.OpenableColumns
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.PickVisualMediaRequest
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.runtime.Composable
+import androidx.core.net.toUri
+import androidx.exifinterface.media.ExifInterface
+import com.pr0gramm3r101.utils.UtilsLibrary
+
+private fun orientation(uri: Uri) = when {
+    uri.scheme in arrayOf("content", "file") -> {
+        runCatching {
+            UtilsLibrary.context.contentResolver.openInputStream(uri)?.use { stream ->
+                ExifInterface(stream).getAttributeInt(
+                    ExifInterface.TAG_ORIENTATION,
+                    ExifInterface.ORIENTATION_NORMAL,
+                )
+            }
+        }.getOrNull() ?: ExifInterface.ORIENTATION_NORMAL
+    }
+
+    else -> {
+        uri.path?.let {
+            runCatching {
+                ExifInterface(it).getAttributeInt(
+                    ExifInterface.TAG_ORIENTATION,
+                    ExifInterface.ORIENTATION_NORMAL,
+                )
+            }.getOrNull()
+        } ?: ExifInterface.ORIENTATION_NORMAL
+    }
+}
+
+private fun floatDimensions(uri: Uri): Pair<Float, Float>? {
+    UtilsLibrary.context.contentResolver.openInputStream(uri)?.use { stream ->
+        val options = BitmapFactory.Options().apply { inJustDecodeBounds = true }
+        BitmapFactory.decodeStream(stream, null, options)
+
+        var w = options.outWidth
+        var h = options.outHeight
+        if (w <= 0 || h <= 0) return null
+
+        when (orientation(uri)) {
+            ExifInterface.ORIENTATION_ROTATE_90,
+            ExifInterface.ORIENTATION_ROTATE_270,
+            ExifInterface.ORIENTATION_TRANSPOSE,
+            ExifInterface.ORIENTATION_TRANSVERSE -> {
+                val swap = w
+                w = h
+                h = swap
+            }
+        }
+
+        return w.toFloat() to h.toFloat()
+    }
+
+    return null
+}
+
+actual fun getFilenameFromUri(uri: String): String {
+    UtilsLibrary
+        .context
+        .contentResolver
+        .query(
+            uri.toUri(),
+            null,
+            null,
+            null,
+            null
+        )?.use { cursor ->
+            val nameIndex = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME)
+            if (nameIndex >= 0 && cursor.moveToFirst()) {
+                val name = cursor.getString(nameIndex)
+                if (!name.isNullOrBlank()) return name
+            }
+        }
+
+    return uri.substringAfterLast('/').takeIf { it.isNotBlank() } ?: "file"
+}
+
+actual suspend fun getImageAspectRatio(uri: String) =
+    floatDimensions(uri.toUri())?.let { it.first / it.second }
+
+actual suspend fun getImageDimensions(uri: String) =
+    floatDimensions(uri.toUri())?.let { it.first.toInt() to it.second.toInt() }
+
+@Composable
+actual fun rememberImagePicker(onResult: (List<String>) -> Unit): () -> Unit {
+    val launcher = rememberLauncherForActivityResult(
+        contract = ActivityResultContracts.PickMultipleVisualMedia()
+    ) { uris: List<Uri> ->
+        onResult(uris.map { it.toString() })
+    }
+    return {
+        launcher.launch(
+            PickVisualMediaRequest.Builder()
+                .setMediaType(ActivityResultContracts.PickVisualMedia.ImageOnly)
+                .build()
+        )
+    }
+}
+
+@Composable
+actual fun rememberFilePicker(onResult: (List<String>) -> Unit): () -> Unit {
+    val launcher = rememberLauncherForActivityResult(
+        contract = ActivityResultContracts.OpenMultipleDocuments()
+    ) { uris ->
+        onResult(uris.map { it.toString() })
+    }
+
+    return {
+        launcher.launch(arrayOf("*/*"))
+    }
+}

app/shared/src/androidMain/kotlin/ru/fromchat/ui/components/BackHandler.android.kt

@@ -1,16 +1,44 @@
-package ru.fromchat.ui
+package ru.fromchat.ui.components
 
+import android.annotation.SuppressLint
 import android.view.HapticFeedbackConstants
-import androidx.activity.compose.BackHandler as AndroidBackHandler
+import androidx.activity.BackEventCompat
+import androidx.activity.compose.PredictiveBackHandler
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.remember
 import androidx.compose.ui.platform.LocalView
+import kotlinx.coroutines.CancellationException
+import kotlinx.coroutines.flow.Flow
+import ru.fromchat.utils.haptic.HapticFeedbackEvent
+import androidx.activity.compose.BackHandler as AndroidBackHandler
+
+@Composable
+actual fun PredictiveBackHandler(
+    enabled: Boolean,
+    onProgress: (Float) -> Unit,
+    onCommit: () -> Unit,
+    onCancel: () -> Unit,
+) {
+    PredictiveBackHandler(enabled = enabled) { progressFlow: Flow<BackEventCompat> ->
+        try {
+            progressFlow.collect { backEvent ->
+                onProgress(backEvent.progress.coerceIn(0f, 1f))
+            }
+            onCommit()
+        } catch (e: CancellationException) {
+            onCancel()
+            throw e
+        }
+    }
+}
+
 
 @Composable
 actual fun BackHandler(enabled: Boolean, onBack: () -> Unit) {
     AndroidBackHandler(enabled = enabled, onBack = onBack)
 }
 
+@SuppressLint("InlinedApi")
 @Composable
 actual fun rememberHapticFeedbackInternal(): (Int) -> Unit {
     val view = LocalView.current

app/shared/src/androidMain/kotlin/ru/fromchat/ui/debug/DebugApiScreen.kt

@@ -1,8 +0,0 @@
-package ru.fromchat.ui.debug
-
-import androidx.compose.runtime.Composable
-
-@Composable
-actual fun DebugApiScreen() {
-    DebugApiScreenContent()
-}

app/shared/src/androidMain/kotlin/ru/fromchat/ui/main/settings/NotificationsScreen.android.kt

@@ -1,40 +1,40 @@
-package ru.fromchat.platform
+package ru.fromchat.ui.main.settings
 
-import android.content.Intent
 import android.Manifest
+import android.content.Intent
 import android.content.pm.PackageManager
 import android.net.Uri
 import android.os.Build
+import android.provider.Settings
 import androidx.core.app.NotificationManagerCompat
 import androidx.core.content.ContextCompat
-import android.provider.Settings
-import com.pr0gramm3r101.utils.UtilsLibrary.context
+import com.pr0gramm3r101.utils.UtilsLibrary
 
 actual fun openAppNotificationSettings(): Boolean =
     try {
         val intent =
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                 Intent(Settings.ACTION_APP_NOTIFICATION_SETTINGS).apply {
-                    putExtra(Settings.EXTRA_APP_PACKAGE, context.packageName)
+                    putExtra(Settings.EXTRA_APP_PACKAGE, UtilsLibrary.context.packageName)
                 }
             } else {
                 Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS).apply {
-                    data = Uri.fromParts("package", context.packageName, null)
+                    data = Uri.fromParts("package", UtilsLibrary.context.packageName, null)
                 }
             }
         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
-        context.startActivity(intent)
+        UtilsLibrary.context.startActivity(intent)
         true
     } catch (_: Exception) {
         false
     }
 
 actual fun areAppNotificationsEnabled(): Boolean {
-    if (!NotificationManagerCompat.from(context).areNotificationsEnabled()) return false
+    if (!NotificationManagerCompat.from(UtilsLibrary.context).areNotificationsEnabled()) return false
 
     return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
         ContextCompat.checkSelfPermission(
-            context,
+            UtilsLibrary.context,
             Manifest.permission.POST_NOTIFICATIONS
         ) == PackageManager.PERMISSION_GRANTED
     } else {

app/shared/src/androidMain/kotlin/ru/fromchat/ui/main/settings/SettingsPredictiveBack.android.kt

@@ -1,28 +0,0 @@
-package ru.fromchat.ui.main.settings
-
-import androidx.activity.BackEventCompat
-import androidx.activity.compose.PredictiveBackHandler
-import androidx.compose.runtime.Composable
-import kotlinx.coroutines.CancellationException
-import kotlinx.coroutines.flow.Flow
-
-@Composable
-actual fun SettingsSecurityPredictiveBackHandler(
-    enabled: Boolean,
-    onProgress: (Float) -> Unit,
-    onCommit: () -> Unit,
-    onCancel: () -> Unit,
-) {
-    PredictiveBackHandler(enabled = enabled) { progressFlow: Flow<BackEventCompat> ->
-        try {
-            progressFlow.collect { backEvent ->
-                onProgress(backEvent.progress.coerceIn(0f, 1f))
-            }
-            onCommit()
-        } catch (e: CancellationException) {
-            onCancel()
-            throw e
-        }
-    }
-}
-

app/shared/src/androidMain/kotlin/ru/fromchat/ui/profile/ProfileScreen.android.kt

@@ -1,4 +1,4 @@
-package ru.fromchat
+package ru.fromchat.ui.profile
 
 import android.widget.Toast
 import com.pr0gramm3r101.utils.UtilsLibrary
@@ -6,4 +6,3 @@ import com.pr0gramm3r101.utils.UtilsLibrary
 actual fun showProfileLoadErrorMessage(message: String) {
     Toast.makeText(UtilsLibrary.context, message, Toast.LENGTH_SHORT).show()
 }
-

app/shared/src/androidMain/kotlin/ru/fromchat/utils/NetworkConnectivity.android.kt

@@ -1,15 +1,17 @@
-package ru.fromchat.net
+package ru.fromchat.utils
 
+import android.Manifest
 import android.content.Context
 import android.net.ConnectivityManager
 import android.net.Network
 import android.net.NetworkCapabilities
 import android.net.NetworkRequest
+import androidx.annotation.RequiresPermission
 import com.pr0gramm3r101.utils.UtilsLibrary
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
-import ru.fromchat.api.WebSocketManager
+import ru.fromchat.api.local.WebSocketManager
 
 actual object NetworkConnectivity {
     private val _isOnline = MutableStateFlow(true)
@@ -17,6 +19,7 @@ actual object NetworkConnectivity {
 
     private var callback: ConnectivityManager.NetworkCallback? = null
 
+    @RequiresPermission(Manifest.permission.ACCESS_NETWORK_STATE)
     @Suppress("DEPRECATION")
     private fun computeOnline(cm: ConnectivityManager): Boolean {
         val n = cm.activeNetwork ?: return false
@@ -24,6 +27,7 @@ actual object NetworkConnectivity {
         return caps.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
     }
 
+    @RequiresPermission(Manifest.permission.ACCESS_NETWORK_STATE)
     actual fun ensureStarted() {
         if (callback != null) return
         val context = UtilsLibrary.context

app/shared/src/commonMain/composeResources/values-ru/strings.xml

@@ -213,12 +213,11 @@
 
     <string name="settings_notifications_title">Уведомления</string>
     <string name="settings_notifications_body">Чтобы разрешить или отключить уведомления FromChat, откройте настройки уведомлений телефона.</string>
-    <string name="settings_open_notification_settings">Открыть настройки уведомлений</string>
-    <string name="settings_notifications_enable">Включить push-уведомления</string>
-    <string name="settings_notifications_disable">Отключить push-уведомления</string>
+    <string name="settings_notification_settings">Настройки уведомлений</string>
+    <string name="settings_notification_settings_d">Здесь вы можете включить или выключить типы уведомлений, изменить звук и т.д.</string>
     <string name="settings_notifications_permission_required">Откройте системные настройки и разрешите уведомления.</string>
-    <string name="settings_push_notifications_enabled">Push-уведомления включены</string>
-    <string name="settings_push_notifications_disabled">Push-уведомления отключены</string>
+    <string name="settings_push_notifications">Push-уведомления</string>
+    <string name="settings_push_notifications_d">Они помогут вам узнать, если появилось новое сообщение пока приложение закрыто.</string>
 
     <string name="settings_devices_title">Устройства</string>
     <string name="settings_devices_empty">Нет активных сессий</string>
@@ -245,6 +244,8 @@
     <string name="settings_devices_logout_all">Выйти на всех других устройствах</string>
     <string name="settings_devices_logout_all_confirm_title">Выйти везде, кроме этого?</string>
     <string name="settings_devices_logout_all_confirm_body">Вы останетесь в аккаунте только на этом устройстве.</string>
+    <string name="settings_devices_active_sessions">Активные сеансы</string>
+
     <string name="confirm">Подтвердить</string>
     <string name="cancel">Отмена</string>
 
@@ -281,6 +282,7 @@
     <string name="typing_many">%1$s, %2$s и ещё %3$d печатают…</string>
     <string name="more">Ещё</string>
     <string name="unread_count">+%1$d</string>
+    <string name="unknown">Неизвестно</string>
 
     <!-- Удаления доступа -->
     <string name="suspend_chat_banner_message">Ваш аккаунт был заблокирован</string>

app/shared/src/commonMain/composeResources/values/strings.xml

@@ -181,9 +181,7 @@
     <string name="server_ip_label">Server IP or hostname</string>
     <string name="server_ip_hint">192.168.1.10</string>
     <string name="api_port_label">Port</string>
-    <string name="api_port_hint"></string>
     <string name="calls_port_label">Calls port</string>
-    <string name="calls_port_hint"></string>
     <string name="https_enabled">Secure connection</string>
     <string name="server_config_https_hint">Uses HTTPS. Turn off only for plain HTTP.</string>
     <string name="server_config_https_headline">HTTPS</string>
@@ -243,13 +241,11 @@
     <string name="settings_category_account_d">Log out or delete account</string>
 
     <string name="settings_notifications_title">Notifications</string>
-    <string name="settings_notifications_body">To allow or block alerts from FromChat, use your phone’s notification settings.</string>
-    <string name="settings_open_notification_settings">Open notification settings</string>
-    <string name="settings_notifications_enable">Enable push notifications</string>
-    <string name="settings_notifications_disable">Disable push notifications</string>
+    <string name="settings_notification_settings">Notification settings</string>
+    <string name="settings_notification_settings_d">Here you can enable or disable certain types of notifications, change the sound and more.</string>
     <string name="settings_notifications_permission_required">Open system notification settings to allow alerts.</string>
-    <string name="settings_push_notifications_enabled">Push notifications enabled</string>
-    <string name="settings_push_notifications_disabled">Push notifications disabled</string>
+    <string name="settings_push_notifications">Push notifications</string>
+    <string name="settings_push_notifications_d">These will let you know if you got a new message when the app is closed.</string>
 
     <string name="settings_devices_title">Devices</string>
     <string name="settings_devices_empty">No active sessions</string>
@@ -276,6 +272,7 @@
     <string name="settings_devices_logout_all">Sign out all other devices</string>
     <string name="settings_devices_logout_all_confirm_title">Sign out everywhere else?</string>
     <string name="settings_devices_logout_all_confirm_body">You stay signed in on this device only.</string>
+    <string name="settings_devices_active_sessions">Active sessions</string>
     <string name="confirm">Confirm</string>
     <string name="cancel">Cancel</string>
 
@@ -308,6 +305,7 @@
     <string name="error_invalid_credentials">Wrong username or password</string>
     <string name="error_connection">Couldn’t connect. Check your internet.</string>
     <string name="error_unknown">Something went wrong. Please try again.</string>
+    <string name="unknown">Unknown</string>
 
     <!-- Typing Indicators -->
     <string name="typing_single">%1$s is typing…</string>

app/shared/src/commonMain/kotlin/ru/fromchat/AppForeground.kt

@@ -4,10 +4,6 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
 
-/**
- * Mirrors process visibility: [setForeground] from [androidx.lifecycle.Lifecycle.Event.ON_START] /
- * [androidx.lifecycle.Lifecycle.Event.ON_STOP] (or initial [syncFromLifecycle]).
- */
 object AppForeground {
     private val _isInForeground = MutableStateFlow(true)
     val isInForeground: StateFlow<Boolean> = _isInForeground.asStateFlow()

app/shared/src/commonMain/kotlin/ru/fromchat/Logger.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.core
+package ru.fromchat
 
 expect object Logger {
     fun d(tag: String, message: String, throwable: Throwable? = null)
@@ -6,4 +6,3 @@ expect object Logger {
     fun w(tag: String, message: String, throwable: Throwable? = null)
     fun e(tag: String, message: String, throwable: Throwable? = null)
 }
-

app/shared/src/commonMain/kotlin/ru/fromchat/ProfileLoadErrorMessage.kt

@@ -1,4 +0,0 @@
-package ru.fromchat
-
-expect fun showProfileLoadErrorMessage(message: String)
-

app/shared/src/commonMain/kotlin/ru/fromchat/SearchHintResource.kt

@@ -1,44 +0,0 @@
-package ru.fromchat
-
-import kotlin.collections.HashMap
-import org.jetbrains.compose.resources.StringResource
-import org.jetbrains.compose.resources.InternalResourceApi
-
-@OptIn(InternalResourceApi::class)
-private fun collectCommonMainStringResources(): HashMap<String, StringResource> {
-    val map = HashMap<String, StringResource>()
-    _collectCommonMainString0Resources(map)
-    _collectCommonMainString1Resources(map)
-    return map
-}
-
-internal fun resolveSearchHintResource(): StringResource {
-    val map = collectCommonMainStringResources()
-    return map["search_hint"]
-        ?: map["app_name"]
-        ?: error("Search hint resource is missing")
-}
-
-internal fun resolveSearchNotFoundTitleResource(): StringResource {
-    val map = collectCommonMainStringResources()
-    return map["search_not_found"]
-        ?: map["search_not_found_message"]
-        ?: map["app_name"]
-        ?: error("Search not-found title resource is missing")
-}
-
-internal fun resolveSearchNotFoundMessageResource(): StringResource {
-    val map = collectCommonMainStringResources()
-    return map["search_not_found_message"]
-        ?: map["search_not_found"]
-        ?: map["app_name"]
-        ?: error("Search not-found message resource is missing")
-}
-
-internal fun resolveSearchTitleResource(): StringResource {
-    val map = collectCommonMainStringResources()
-    return map["search_title"]
-        ?: map["search_hint"]
-        ?: map["app_name"]
-        ?: error("Search title resource is missing")
-}

app/shared/src/commonMain/kotlin/ru/fromchat/api/ApiClient.kt

@@ -1,5 +1,8 @@
 package ru.fromchat.api
 
+import com.pr0gramm3r101.utils.crypto.Base64
+import com.pr0gramm3r101.utils.currentDeviceInfo
+import com.pr0gramm3r101.utils.files.PlatformFileSystem
 import com.pr0gramm3r101.utils.settings.secureSettings
 import com.pr0gramm3r101.utils.settings.settings
 import io.ktor.client.HttpClient
@@ -12,46 +15,90 @@ import io.ktor.client.plugins.logging.LogLevel
 import io.ktor.client.plugins.logging.Logger
 import io.ktor.client.plugins.logging.Logging
 import io.ktor.client.plugins.logging.SIMPLE
-import io.ktor.client.request.header
 import io.ktor.client.plugins.websocket.WebSockets
 import io.ktor.client.plugins.websocket.pingInterval
 import io.ktor.client.request.bearerAuth
 import io.ktor.client.request.delete
 import io.ktor.client.request.get
-import io.ktor.http.HttpHeaders
-import io.ktor.http.HttpStatusCode
-import com.pr0gramm3r101.utils.files.PlatformFileSystem
-import io.ktor.client.request.patch
+import io.ktor.client.request.header
 import io.ktor.client.request.parameter
+import io.ktor.client.request.patch
 import io.ktor.client.request.post
-import io.ktor.client.request.setBody
 import io.ktor.client.request.put
+import io.ktor.client.request.setBody
 import io.ktor.client.statement.HttpResponse
 import io.ktor.http.ContentType
 import io.ktor.http.contentType
 import io.ktor.serialization.kotlinx.json.json
 import kotlinx.coroutines.MainScope
-import kotlinx.coroutines.launch
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.launch
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.encodeToJsonElement
-import ru.fromchat.core.Settings
-import ru.fromchat.core.config.Config
-import ru.fromchat.core.instance.InstanceIdGuard
-import ru.fromchat.api.db.InstanceRegistryStore
-import ru.fromchat.ui.chat.PublicChatPanelCache
-import ru.fromchat.ui.dm.DmPanelCache
-import ru.fromchat.fcm.uploadPendingFcmTokenIfAvailable
+import ru.fromchat.api.ApiClient.logout
+import ru.fromchat.api.ApiClient.persistSessionToStorage
+import ru.fromchat.api.crypto.IdentityKeyManager
+import ru.fromchat.api.crypto.transport.TransportCiphertext
+import ru.fromchat.api.crypto.transport.TransportCrypto
+import ru.fromchat.api.instance.InstanceIdGuard
+import ru.fromchat.api.local.WebSocketManager
+import ru.fromchat.api.local.cache.readOutboundFileBytes
+import ru.fromchat.api.local.db.store.InstanceRegistryStore
+import ru.fromchat.api.local.db.store.ProfileCache
+import ru.fromchat.api.local.download.streamEncryptedFileToDisk
+import ru.fromchat.api.schema.calls.CallSignalingLiveKitControl
+import ru.fromchat.api.schema.calls.CallSignalingLiveKitPayload
+import ru.fromchat.api.schema.calls.LiveKitTokenRequest
+import ru.fromchat.api.schema.calls.LiveKitTokenResponse
+import ru.fromchat.api.schema.core.SimpleStatusResponse
+import ru.fromchat.api.schema.messages.MessagesResponse
+import ru.fromchat.api.schema.messages.dm.DmConversation
+import ru.fromchat.api.schema.messages.dm.DmConversationsResponse
+import ru.fromchat.api.schema.messages.dm.DmHistoryResponse
+import ru.fromchat.api.schema.messages.dm.EditDmRequest
+import ru.fromchat.api.schema.messages.dm.SendDmFile
+import ru.fromchat.api.schema.messages.dm.SendDmRequest
+import ru.fromchat.api.schema.messages.dm.upload.DmUploadChunkRequest
+import ru.fromchat.api.schema.messages.dm.upload.DmUploadChunkResponse
+import ru.fromchat.api.schema.messages.dm.upload.DmUploadCompleteResponse
+import ru.fromchat.api.schema.messages.dm.upload.DmUploadInitRequest
+import ru.fromchat.api.schema.messages.dm.upload.DmUploadInitResponse
+import ru.fromchat.api.schema.messages.dm.upload.DmUploadStatusResponse
+import ru.fromchat.api.schema.messages.publicchat.SendMessageRequest
+import ru.fromchat.api.schema.server.RegisteredUserCountResponse
+import ru.fromchat.api.schema.server.ServerInstanceIdResponse
+import ru.fromchat.api.schema.server.TransportKeyResponse
+import ru.fromchat.api.schema.user.ChangePasswordApiRequest
+import ru.fromchat.api.schema.user.FcmTokenRequest
+import ru.fromchat.api.schema.user.User
+import ru.fromchat.api.schema.user.auth.CheckAuthResponse
+import ru.fromchat.api.schema.user.auth.LoginRequest
+import ru.fromchat.api.schema.user.auth.LoginResponse
+import ru.fromchat.api.schema.user.auth.RegisterRequest
+import ru.fromchat.api.schema.user.devices.DeviceSessionInfo
+import ru.fromchat.api.schema.user.devices.DevicesListResponse
+import ru.fromchat.api.schema.user.keys.BackupBlobRequest
+import ru.fromchat.api.schema.user.keys.BackupBlobResponse
+import ru.fromchat.api.schema.user.keys.PublicKeyResponse
+import ru.fromchat.api.schema.user.profile.SimilarityResult
+import ru.fromchat.api.schema.user.profile.UserProfile
+import ru.fromchat.api.schema.user.profile.VerifyResponse
+import ru.fromchat.api.schema.websocket.WebSocketCredentials
+import ru.fromchat.api.schema.websocket.WebSocketMessage
+import ru.fromchat.api.schema.websocket.requests.WebSocketDeleteDmRequest
+import ru.fromchat.api.schema.websocket.requests.WebSocketDeleteMessageRequest
+import ru.fromchat.api.schema.websocket.requests.WebSocketEditMessageRequest
+import ru.fromchat.api.schema.websocket.requests.WebSocketSendMessageRequest
+import ru.fromchat.api.schema.websocket.types.DmTypingData
+import ru.fromchat.api.schema.websocket.types.SubscribeStatusData
+import ru.fromchat.config.ServerConfig
+import ru.fromchat.config.Settings
+import ru.fromchat.ui.chat.panels.dm.DmPanelCache
+import ru.fromchat.ui.chat.utils.PublicChatPanelCache
 import kotlin.concurrent.Volatile
 import kotlin.time.Duration.Companion.milliseconds
-import com.pr0gramm3r101.utils.crypto.Base64
-import ru.fromchat.crypto.IdentityKeyManager
-import ru.fromchat.crypto.transport.TransportCiphertext
-import ru.fromchat.crypto.transport.TransportCrypto
-import ru.fromchat.platform.currentDeviceInfo
-import ru.fromchat.fcm.unregisterFcmTokenFromServer
 
 /**
  * Creates a platform-specific HTTP client that supports WebSockets
@@ -157,7 +204,7 @@ object ApiClient {
             validateResponse { response ->
                 val instanceHeader = response.headers[InstanceIdGuard.INSTANCE_ID_HEADER]
                 runCatching {
-                    Config.serverConfig.value?.let { cfg ->
+                    ServerConfig.serverConfig.value?.let { cfg ->
                         InstanceIdGuard.onResponseHeader(instanceHeader, cfg)
                     }
                 }
@@ -244,7 +291,7 @@ object ApiClient {
 
     suspend fun refreshServerInstanceFingerprint() {
         runCatching {
-            val id = fetchServerInstanceId(Config.apiBaseUrl)
+            val id = fetchServerInstanceId(ServerConfig.apiBaseUrl)
             if (id.isNotEmpty()) {
                 Settings.lastKnownServerInstanceId = id
                 InstanceRegistryStore.registerInstanceEncountered(id)
@@ -315,14 +362,14 @@ object ApiClient {
                 }
             }
         } catch (e: Exception) {
-            ru.fromchat.core.Logger.e("ApiClient", "Error loading persisted data", e)
+            ru.fromchat.Logger.e("ApiClient", "Error loading persisted data", e)
         }
     }
 
 
     suspend fun loginRequest(request: LoginRequest): LoginResponse =
         http
-            .post("${Config.apiBaseUrl}/login") {
+            .post("${ServerConfig.apiBaseUrl}/login") {
                 contentType(ContentType.Application.Json)
                 setBody(request)
             }
@@ -330,7 +377,7 @@ object ApiClient {
 
     suspend fun registerRequest(request: RegisterRequest): LoginResponse =
         http
-            .post("${Config.apiBaseUrl}/register") {
+            .post("${ServerConfig.apiBaseUrl}/register") {
                 contentType(ContentType.Application.Json)
                 setBody(request)
             }
@@ -365,7 +412,7 @@ object ApiClient {
 
     suspend fun getMessages(limit: Int = 50, beforeId: Int? = null) =
         http
-            .get("${Config.apiBaseUrl}/get_messages") {
+            .get("${ServerConfig.apiBaseUrl}/get_messages") {
                 contentType(ContentType.Application.Json)
                 parameter("limit", limit)
                 beforeId?.let { parameter("before_id", it) }
@@ -374,28 +421,28 @@ object ApiClient {
 
     suspend fun getOwnProfile(): UserProfile =
         http
-            .get("${Config.apiBaseUrl}/user/profile") {
+            .get("${ServerConfig.apiBaseUrl}/user/profile") {
                 contentType(ContentType.Application.Json)
             }
             .body()
 
     suspend fun getProfileById(userId: Int): UserProfile =
         http
-            .get("${Config.apiBaseUrl}/user/id/$userId") {
+            .get("${ServerConfig.apiBaseUrl}/user/id/$userId") {
                 contentType(ContentType.Application.Json)
             }
             .body()
 
     suspend fun getProfileByUsername(username: String): UserProfile =
         http
-            .get("${Config.apiBaseUrl}/user/$username") {
+            .get("${ServerConfig.apiBaseUrl}/user/$username") {
                 contentType(ContentType.Application.Json)
             }
             .body()
 
     suspend fun getRegisteredUserCount(): Int =
         http
-            .get("${Config.apiBaseUrl}/user/stats/registered-count") {
+            .get("${ServerConfig.apiBaseUrl}/user/stats/registered-count") {
                 contentType(ContentType.Application.Json)
             }
             .body<RegisteredUserCountResponse>()
@@ -404,7 +451,7 @@ object ApiClient {
     suspend fun checkSimilarity(userId: Int): SimilarityResult? =
         runCatching {
             http
-                .get("${Config.apiBaseUrl}/user/check-similarity/$userId") {
+                .get("${ServerConfig.apiBaseUrl}/user/check-similarity/$userId") {
                     contentType(ContentType.Application.Json)
                 }
                 .body<SimilarityResult>()
@@ -413,7 +460,7 @@ object ApiClient {
     suspend fun verifyUser(userId: Int): VerifyResponse? =
         runCatching {
             http
-                .post("${Config.apiBaseUrl}/user/$userId/verify") {
+                .post("${ServerConfig.apiBaseUrl}/user/$userId/verify") {
                     contentType(ContentType.Application.Json)
                 }
                 .body<VerifyResponse>()
@@ -421,7 +468,7 @@ object ApiClient {
 
     suspend fun getDmConversations(): List<DmConversation> =
         http
-            .get("${Config.apiBaseUrl}/dm/conversations") {
+            .get("${ServerConfig.apiBaseUrl}/dm/conversations") {
                 contentType(ContentType.Application.Json)
             }
             .body<DmConversationsResponse>()
@@ -429,7 +476,7 @@ object ApiClient {
 
     suspend fun getDmFetch(since: Int? = null): DmHistoryResponse {
         return http
-            .get("${Config.apiBaseUrl}/dm/fetch") {
+            .get("${ServerConfig.apiBaseUrl}/dm/fetch") {
                 contentType(ContentType.Application.Json)
                 since?.let { parameter("since", it) }
             }
@@ -442,7 +489,7 @@ object ApiClient {
         beforeId: Int? = null
     ): DmHistoryResponse =
         http
-            .get("${Config.apiBaseUrl}/dm/history/$otherUserId") {
+            .get("${ServerConfig.apiBaseUrl}/dm/history/$otherUserId") {
                 contentType(ContentType.Application.Json)
                 parameter("limit", limit)
                 beforeId?.let { parameter("before_id", it) }
@@ -451,21 +498,21 @@ object ApiClient {
 
     suspend fun getOwnPublicKey(): PublicKeyResponse =
         http
-            .get("${Config.apiBaseUrl}/crypto/public-key") {
+            .get("${ServerConfig.apiBaseUrl}/crypto/public-key") {
                 contentType(ContentType.Application.Json)
             }
             .body()
 
     suspend fun getUserPublicKey(userId: Int): PublicKeyResponse =
         http
-            .get("${Config.apiBaseUrl}/crypto/public-key/of/$userId") {
+            .get("${ServerConfig.apiBaseUrl}/crypto/public-key/of/$userId") {
                 contentType(ContentType.Application.Json)
             }
             .body()
 
     suspend fun getTransportPublicKey(): TransportKeyResponse =
         http
-            .get("${Config.apiBaseUrl}/dm/key/transport/public") {
+            .get("${ServerConfig.apiBaseUrl}/dm/key/transport/public") {
                 contentType(ContentType.Application.Json)
             }
             .body()
@@ -512,7 +559,7 @@ object ApiClient {
             uploadedFileIds = uploadedFileIds
         )
 
-        http.post("${Config.apiBaseUrl}/dm/send") {
+        http.post("${ServerConfig.apiBaseUrl}/dm/send") {
             contentType(ContentType.Application.Json)
             setBody(body)
         }
@@ -524,7 +571,7 @@ object ApiClient {
         recipientId: Int,
         chunkSize: Int? = null
     ): DmUploadInitResponse =
-        http.post("${Config.apiBaseUrl}/dm/upload/init") {
+        http.post("${ServerConfig.apiBaseUrl}/dm/upload/init") {
             contentType(ContentType.Application.Json)
             setBody(
                 DmUploadInitRequest(
@@ -537,7 +584,7 @@ object ApiClient {
         }.body()
 
     suspend fun getDmUploadStatus(uploadId: String): DmUploadStatusResponse =
-        http.get("${Config.apiBaseUrl}/dm/upload/$uploadId") {
+        http.get("${ServerConfig.apiBaseUrl}/dm/upload/$uploadId") {
             contentType(ContentType.Application.Json)
         }.body()
 
@@ -546,7 +593,7 @@ object ApiClient {
         offset: Long,
         dataB64: String
     ): DmUploadChunkResponse =
-        http.patch("${Config.apiBaseUrl}/dm/upload/$uploadId") {
+        http.patch("${ServerConfig.apiBaseUrl}/dm/upload/$uploadId") {
             contentType(ContentType.Application.Json)
             setBody(
                 DmUploadChunkRequest(
@@ -557,13 +604,13 @@ object ApiClient {
         }.body()
 
     suspend fun completeDmUpload(uploadId: String): DmUploadCompleteResponse =
-        http.post("${Config.apiBaseUrl}/dm/upload/$uploadId/complete") {
+        http.post("${ServerConfig.apiBaseUrl}/dm/upload/$uploadId/complete") {
             contentType(ContentType.Application.Json)
             setBody(mapOf("upload_id" to uploadId))
         }.body()
 
     suspend fun abortDmUpload(uploadId: String) {
-        http.delete("${Config.apiBaseUrl}/dm/upload/$uploadId") {
+        http.delete("${ServerConfig.apiBaseUrl}/dm/upload/$uploadId") {
             contentType(ContentType.Application.Json)
         }
     }
@@ -575,10 +622,10 @@ object ApiClient {
     fun encryptedFileUrl(path: String): String = when {
         path.startsWith("http") -> path
         path.startsWith("/api") -> {
-            val serverBase = Config.apiBaseUrl.removeSuffix("/api")
+            val serverBase = ServerConfig.apiBaseUrl.removeSuffix("/api")
             "$serverBase$path"
         }
-        else -> "${Config.apiBaseUrl}$path"
+        else -> "${ServerConfig.apiBaseUrl}$path"
     }
 
     /** Encrypted ciphertext stored on disk after a resumable download. */
@@ -659,7 +706,7 @@ object ApiClient {
         return EncryptedFileOnDisk(outputPath, received)
     }
 
-    private fun currentDownloadUserAgent(): String? {
+    private fun currentDownloadUserAgent(): String {
         val currentDevice = currentDeviceInfo()
         return buildLoginUserAgent(
             osName = currentDevice.osName?.takeIf { it.isNotBlank() },
@@ -886,7 +933,7 @@ object ApiClient {
     private suspend fun readPartialDownloadMetaFileFromDisk(path: String): PartialDownloadMeta? {
         if (!PlatformFileSystem.exists(path)) return null
         val text = runCatching {
-            ru.fromchat.core.cache.readOutboundFileBytes("file://$path").decodeToString()
+            readOutboundFileBytes("file://$path").decodeToString()
         }.getOrNull() ?: return null
         return parsePartialDownloadMeta(text)
     }
@@ -946,7 +993,7 @@ object ApiClient {
         val path = pausedDownloadIndexPath() ?: return emptySet()
         if (!PlatformFileSystem.exists(path)) return emptySet()
         return runCatching {
-            ru.fromchat.core.cache.readOutboundFileBytes("file://$path")
+            readOutboundFileBytes("file://$path")
                 .decodeToString()
                 .lineSequence()
                 .map { it.trim() }
@@ -1027,7 +1074,7 @@ object ApiClient {
             recipientPublicKeyB64 = recipientPublicKey
         )
 
-        http.put("${Config.apiBaseUrl}/dm/edit/$messageId") {
+        http.put("${ServerConfig.apiBaseUrl}/dm/edit/$messageId") {
             contentType(ContentType.Application.Json)
             setBody(body)
         }
@@ -1035,20 +1082,20 @@ object ApiClient {
 
     suspend fun fetchBackupBlob(): String? {
         return try {
-            val response = http.get("${Config.apiBaseUrl}/crypto/backup") {
+            val response = http.get("${ServerConfig.apiBaseUrl}/crypto/backup") {
                 contentType(ContentType.Application.Json)
             }
             val backupResponse = response.body<BackupBlobResponse>()
             backupResponse.blob
         } catch (e: Exception) {
-            ru.fromchat.core.Logger.d("ApiClient", "No backup found or error fetching: ${e.message}")
+            ru.fromchat.Logger.d("ApiClient", "No backup found or error fetching: ${e.message}")
             null
         }
     }
 
     suspend fun uploadBackupBlob(blobJson: String) {
         val payload = BackupBlobRequest(blob = blobJson)
-        http.post("${Config.apiBaseUrl}/crypto/backup") {
+        http.post("${ServerConfig.apiBaseUrl}/crypto/backup") {
             contentType(ContentType.Application.Json)
             setBody(payload)
         }
@@ -1058,7 +1105,7 @@ object ApiClient {
     suspend fun validateToken(): Boolean {
         try {
             http
-                .get("${Config.apiBaseUrl}/api/user/profile")
+                .get("${ServerConfig.apiBaseUrl}/api/user/profile")
             return true // Token is valid if no exception thrown
         } catch (e: ClientRequestException) {
             if (e.response.status.value == 401 || e.response.status.value == 403) {
@@ -1073,27 +1120,27 @@ object ApiClient {
 
     suspend fun listDevices(): List<DeviceSessionInfo> =
         http
-            .get("${Config.apiBaseUrl}/devices") {
+            .get("${ServerConfig.apiBaseUrl}/devices") {
                 contentType(ContentType.Application.Json)
             }
             .body<DevicesListResponse>()
             .devices
 
     suspend fun revokeDeviceSession(sessionId: String) {
-        http.delete("${Config.apiBaseUrl}/devices/$sessionId") {
+        http.delete("${ServerConfig.apiBaseUrl}/devices/$sessionId") {
             contentType(ContentType.Application.Json)
         }
     }
 
     suspend fun revokeAllOtherDeviceSessions() {
-        http.post("${Config.apiBaseUrl}/devices/logout-all") {
+        http.post("${ServerConfig.apiBaseUrl}/devices/logout-all") {
             contentType(ContentType.Application.Json)
         }
     }
 
     suspend fun registerFcmToken(token: String): SimpleStatusResponse {
         return http
-            .post("${Config.apiBaseUrl}/push/register") {
+            .post("${ServerConfig.apiBaseUrl}/push/register") {
                 contentType(ContentType.Application.Json)
                 setBody(FcmTokenRequest(token = token))
             }
@@ -1103,13 +1150,13 @@ object ApiClient {
     suspend fun unregisterFcmToken(token: String? = null): SimpleStatusResponse {
         return if (token.isNullOrBlank()) {
             http
-                .post("${Config.apiBaseUrl}/push/unregister") {
+                .post("${ServerConfig.apiBaseUrl}/push/unregister") {
                     contentType(ContentType.Application.Json)
                 }
                 .body()
         } else {
             http
-                .post("${Config.apiBaseUrl}/push/unregister") {
+                .post("${ServerConfig.apiBaseUrl}/push/unregister") {
                     contentType(ContentType.Application.Json)
                     setBody(FcmTokenRequest(token = token))
                 }
@@ -1122,7 +1169,7 @@ object ApiClient {
         newPasswordDerived: String,
         logoutAllExceptCurrent: Boolean
     ) {
-        http.post("${Config.apiBaseUrl}/change-password") {
+        http.post("${ServerConfig.apiBaseUrl}/change-password") {
             contentType(ContentType.Application.Json)
             setBody(
                 ChangePasswordApiRequest(
@@ -1140,14 +1187,14 @@ object ApiClient {
     suspend fun deleteAccount(): SimpleStatusResponse {
         try {
             return http
-                .post("${Config.apiBaseUrl}/account/delete") {
+                .post("${ServerConfig.apiBaseUrl}/account/delete") {
                     contentType(ContentType.Application.Json)
                 }
                 .body()
         } catch (e: ClientRequestException) {
             if (e.response.status.value != 404) throw e
             return http
-                .post("${Config.apiBaseUrl}/delete") {
+                .post("${ServerConfig.apiBaseUrl}/delete") {
                     contentType(ContentType.Application.Json)
                 }
                 .body()
@@ -1177,7 +1224,7 @@ object ApiClient {
     }
 
     suspend fun logout() {
-        runCatching { http.get("${Config.apiBaseUrl}/logout") }
+        runCatching { http.get("${ServerConfig.apiBaseUrl}/logout") }
         runCatching { unregisterFcmTokenFromServer() }
         clearLocalSession()
     }
@@ -1186,7 +1233,7 @@ object ApiClient {
 
     suspend fun sendMessageViaHttp(content: String, replyToId: Int? = null) {
         if (_suspensionState.value.isSuspended) return
-        http.post("${Config.apiBaseUrl}/send_message") {
+        http.post("${ServerConfig.apiBaseUrl}/send_message") {
             contentType(ContentType.Application.Json)
             setBody(SendMessageRequest(content = content, reply_to_id = replyToId))
         }
@@ -1366,7 +1413,7 @@ object ApiClient {
             throw IllegalStateException("Suspended")
         }
         return http
-            .post("${Config.apiBaseUrl}/livekit/token") {
+            .post("${ServerConfig.apiBaseUrl}/livekit/token") {
                 contentType(ContentType.Application.Json)
                 setBody(LiveKitTokenRequest(peerUserId = peerUserId, roomName = roomName))
             }

app/shared/src/commonMain/kotlin/ru/fromchat/api/DeferredStartupNetwork.kt

@@ -1,10 +1,9 @@
-package ru.fromchat.core
+package ru.fromchat.api
 
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.SupervisorJob
 import kotlinx.coroutines.launch
-import ru.fromchat.api.ApiClient
 
 /**
  * Network work that must not block cold start or the first frame.

app/shared/src/commonMain/kotlin/ru/fromchat/api/FcmRegistration.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.fcm
+package ru.fromchat.api
 
 expect suspend fun uploadPendingFcmTokenIfAvailable()
 

app/shared/src/commonMain/kotlin/ru/fromchat/api/Models.kt

@@ -1,476 +0,0 @@
-package ru.fromchat.api
-
-import kotlinx.serialization.SerialName
-import kotlinx.serialization.Serializable
-import kotlinx.serialization.json.JsonElement
-
-@Serializable
-data class LoginRequest(
-    val username: String,
-    val password: String
-)
-
-@Serializable
-data class RegisterRequest(
-    val username: String,
-    val display_name: String,
-    val password: String,
-    val confirm_password: String
-)
-
-@Serializable
-data class ErrorResponse(
-    val detail: String
-)
-
-@Serializable
-data class User(
-    val id: Int,
-    val created_at: String,
-    val last_seen: String,
-    val online: Boolean,
-    val username: String,
-    @SerialName("display_name") val displayName: String? = null,
-    val admin: Boolean? = null,
-    val bio: String? = null,
-    val profile_picture: String? = null,
-    val suspended: Boolean? = null,
-    @SerialName("suspension_reason") val suspensionReason: String? = null
-)
-
-@Serializable
-data class UserProfile(
-    val id: Int,
-    val username: String,
-    @SerialName("display_name") val displayName: String? = null,
-    @SerialName("profile_picture") val profilePicture: String? = null,
-    val bio: String? = null,
-    val online: Boolean = false,
-    @SerialName("last_seen") val lastSeen: String? = null,
-    @SerialName("created_at") val createdAt: String? = null,
-    val verified: Boolean? = null,
-    val suspended: Boolean? = null,
-    @SerialName("suspension_reason") val suspensionReason: String? = null,
-    val deleted: Boolean? = null,
-    /**
-     * Client-only: true when this row was built from public-chat message metadata, not a full
-     * `/user/...` response. The backend does not send this key.
-     */
-    @SerialName("client_preview_only") val isClientPreviewOnly: Boolean = false
-)
-
-@Serializable
-data class ProfileDialogData(
-    @SerialName("user_id") val userId: Int? = null,
-    val username: String? = null,
-    @SerialName("display_name") val displayName: String? = null,
-    @SerialName("profile_picture") val profilePicture: String? = null,
-    val bio: String? = null,
-    @SerialName("member_since") val memberSince: String? = null,
-    val online: Boolean? = null,
-    @SerialName("is_own_profile") val isOwnProfile: Boolean = false,
-    val verified: Boolean? = null,
-    val suspended: Boolean? = null,
-    @SerialName("suspension_reason") val suspensionReason: String? = null,
-    val deleted: Boolean? = null
-)
-
-@Serializable
-data class LoginResponse(
-    val user: User,
-    val token: String
-)
-
-@Serializable
-data class DevicesListResponse(
-    val devices: List<DeviceSessionInfo> = emptyList()
-)
-
-@Serializable
-data class DeviceSessionInfo(
-    @SerialName("session_id") val sessionId: String,
-    @SerialName("device_name") val deviceName: String? = null,
-    @SerialName("device_type") val deviceType: String? = null,
-    @SerialName("os_name") val osName: String? = null,
-    @SerialName("os_version") val osVersion: String? = null,
-    @SerialName("browser_name") val browserName: String? = null,
-    @SerialName("browser_version") val browserVersion: String? = null,
-    val brand: String? = null,
-    val model: String? = null,
-    @SerialName("created_at") val createdAt: String? = null,
-    @SerialName("last_seen") val lastSeen: String? = null,
-    val revoked: Boolean? = null,
-    val current: Boolean = false
-)
-
-@Serializable
-data class ChangePasswordApiRequest(
-    val currentPasswordDerived: String,
-    val newPasswordDerived: String,
-    val logoutAllExceptCurrent: Boolean = false
-)
-
-@Serializable
-data class SimpleStatusResponse(
-    val status: String? = null,
-    val message: String? = null
-)
-
-@Serializable
-data class ServerInstanceIdResponse(
-    @SerialName("instance_id") val instanceId: String,
-)
-
-@Serializable
-data class CheckAuthResponse(
-    val authenticated: Boolean = false,
-    val username: String? = null,
-    val admin: Boolean? = null,
-)
-
-@Serializable
-data class MessagesResponse(
-    val status: String,
-    val messages: List<Message>
-)
-
-@Serializable
-data class Message(
-    val id: Int,
-    val user_id: Int,
-    val content: String,
-    val timestamp: String,
-    val is_read: Boolean,
-    val is_edited: Boolean,
-    val username: String,
-    val profile_picture: String? = null,
-    val verified: Boolean? = null,
-    val reply_to: Message? = null,
-    val client_message_id: String? = null,
-    val reactions: List<ReactionData>? = null,
-    val files: List<DmFile>? = null,
-    /** For optimistic UI: local URI when sending, null when confirmed. */
-    val pendingFileUri: String? = null,
-    /** For optimistic UI: filename when sending file (non-image), null when confirmed. */
-    val pendingFilename: String? = null,
-    /** For optimistic UI: aspect ratio (width/height) when sending image, null when confirmed. */
-    val pendingFileAspectRatio: Float? = null,
-    /** For optimistic UI: jobId to track upload progress. */
-    val uploadJobId: String? = null,
-    /** For optimistic UI: 0-100 upload progress, null when complete. */
-    val uploadProgress: Int? = null,
-    /** Set when outbound upload failed; use [UPLOAD_ERROR_FILE_TOO_LARGE] for localized copy. */
-    @kotlinx.serialization.Transient val uploadError: String? = null,
-    /** For DM file decryption; not serialized over network. */
-    @kotlinx.serialization.Transient val dmEnvelope: DmEnvelope? = null,
-    /** Blurhashes for image files (by index); from decrypted message JSON. */
-    @kotlinx.serialization.Transient val fileThumbnails: List<String>? = null,
-    /** Aspect ratios (width/height) for image files (by index); from decrypted message JSON. */
-    @kotlinx.serialization.Transient val fileAspectRatios: List<Float>? = null,
-    /** File sizes in bytes (by index); from decrypted message JSON. */
-    @kotlinx.serialization.Transient val fileSizes: List<Long>? = null,
-    /** Image dimensions (width, height) for image files (by index); from decrypted message JSON. */
-    @kotlinx.serialization.Transient val fileDimensions: List<Pair<Int, Int>>? = null,
-    /** True when DM plaintext could not be decrypted and [content] shows the corrupted placeholder. */
-    @kotlinx.serialization.Transient val isContentCorrupted: Boolean = false
-)
-
-@Serializable
-data class SendMessageRequest(
-    val content: String,
-    val reply_to_id: Int? = null
-)
-
-@Serializable
-data class EditMessageRequest(
-    val content: String
-)
-
-@Serializable
-data class SendMessageResponse(
-    val status: String,
-    val message: Message
-)
-
-// WebSocket types mirror frontend src/core/types.d.ts
-@Serializable
-data class WebSocketCredentials(
-    val scheme: String,
-    val credentials: String
-)
-
-@Serializable
-data class WebSocketError(
-    val code: Int,
-    val detail: String
-)
-
-@Serializable
-data class WebSocketMessage(
-    val type: String,
-    val credentials: WebSocketCredentials? = null,
-    val data: JsonElement? = null,
-    val error: WebSocketError? = null
-)
-
-// WebSocket message data types
-@Serializable
-data class NewMessageData(
-    val message: Message
-)
-
-@Serializable
-data class MessageEditedData(
-    val message: Message
-)
-
-@Serializable
-data class MessageDeletedData(
-    val message_id: Int
-)
-
-@Serializable
-data class TypingData(
-    val userId: Int,
-    val username: String
-)
-
-@Serializable
-data class DmFile(
-    val id: Int,
-    val name: String,
-    val path: String,
-    @SerialName("dm_envelope_id") val dmEnvelopeId: Int? = null,
-    @SerialName("wrapped_mek_b64") val wrappedMekB64: String? = null,
-    @SerialName("nonce_b64") val nonceB64: String? = null
-)
-
-@Serializable
-data class DmEnvelope(
-    val id: Int,
-    val senderId: Int,
-    val recipientId: Int,
-    @SerialName("sender_username") val senderUsername: String? = null,
-    @SerialName("iv_b64") val ivB64: String,
-    @SerialName("ciphertext_b64") val ciphertextB64: String,
-    @SerialName("wrapped_mek_b64") val wrappedMekB64: String? = null,
-    val timestamp: String,
-    @SerialName("client_message_id") val clientMessageId: String? = null,
-    @SerialName("reply_to_id") val replyToId: Int? = null,
-    val files: List<DmFile>? = null
-)
-
-@Serializable
-data class DmConversation(
-    val user: User,
-    val lastMessage: DmEnvelope,
-    val unreadCount: Int
-)
-
-@Serializable
-data class RegisteredUserCountResponse(
-    val count: Int
-)
-
-@Serializable
-data class DmConversationsResponse(
-    val conversations: List<DmConversation> = emptyList()
-)
-
-@Serializable
-data class DmHistoryResponse(
-    val messages: List<DmEnvelope> = emptyList(),
-    @SerialName("has_more") val hasMore: Boolean? = null
-)
-
-@Serializable
-data class PublicKeyResponse(
-    val publicKey: String? = null
-)
-
-@Serializable
-data class SendDmFile(
-    @SerialName("encrypted_file_data_b64") val encryptedFileDataB64: String,
-    val filename: String,
-    @SerialName("file_size") val fileSize: Long
-)
-
-@Serializable
-data class SendDmRequest(
-    @SerialName("recipient_id") val recipientId: Int,
-    @SerialName("client_public_key_b64") val clientPublicKeyB64: String,
-    @SerialName("transport_nonce_b64") val transportNonceB64: String,
-    @SerialName("transport_ciphertext_b64") val transportCiphertextB64: String,
-    @SerialName("sender_public_key_b64") val senderPublicKeyB64: String,
-    @SerialName("recipient_public_key_b64") val recipientPublicKeyB64: String,
-    @SerialName("client_message_id") val clientMessageId: String? = null,
-    @SerialName("reply_to_id") val replyToId: Int? = null,
-    @SerialName("transport_files") val transportFiles: List<SendDmFile> = emptyList(),
-    @SerialName("uploaded_file_ids") val uploadedFileIds: List<String> = emptyList()
-)
-
-@Serializable
-data class EditDmRequest(
-    @SerialName("client_public_key_b64") val clientPublicKeyB64: String,
-    @SerialName("transport_nonce_b64") val transportNonceB64: String,
-    @SerialName("transport_ciphertext_b64") val transportCiphertextB64: String,
-    @SerialName("sender_public_key_b64") val senderPublicKeyB64: String,
-    @SerialName("recipient_public_key_b64") val recipientPublicKeyB64: String
-)
-
-@Serializable
-data class TransportKeyResponse(
-    @SerialName("key_id") val keyId: String,
-    @SerialName("public_key_b64") val publicKeyB64: String,
-    @SerialName("created_at") val createdAt: Double? = null
-)
-
-@Serializable
-data class DmUploadInitRequest(
-    val filename: String,
-    @SerialName("total_size") val totalSize: Long,
-    @SerialName("recipient_id") val recipientId: Int,
-    @SerialName("chunk_size") val chunkSize: Int? = null
-)
-
-@Serializable
-data class DmUploadInitResponse(
-    @SerialName("upload_id") val uploadId: String,
-    @SerialName("chunk_size") val chunkSize: Int,
-    val offset: Long = 0L
-)
-
-@Serializable
-data class DmUploadStatusResponse(
-    @SerialName("upload_id") val uploadId: String,
-    val filename: String,
-    @SerialName("total_size") val totalSize: Long,
-    val offset: Long,
-    val complete: Boolean
-)
-
-@Serializable
-data class DmUploadChunkRequest(
-    val offset: Long,
-    @SerialName("data_b64") val dataB64: String
-)
-
-@Serializable
-data class DmUploadChunkResponse(
-    @SerialName("offset_received") val offsetReceived: Long
-)
-
-@Serializable
-data class DmUploadCompleteResponse(
-    @SerialName("file_id") val fileId: String,
-    @SerialName("upload_id") val uploadId: String
-)
-
-// Batched updates message
-@Serializable
-data class UpdateItem(
-    val type: String,
-    val data: JsonElement? = null
-)
-
-@Serializable
-data class UpdatesMessage(
-    val type: String,
-    val seq: Int,
-    val updates: List<UpdateItem>
-)
-
-// WebSocket request types
-@Serializable
-data class WebSocketSendMessageRequest(
-    val content: String,
-    val reply_to_id: Int? = null,
-    val client_message_id: String? = null
-)
-
-@Serializable
-data class WebSocketEditMessageRequest(
-    val message_id: Int,
-    val content: String
-)
-
-@Serializable
-data class WebSocketDeleteMessageRequest(
-    val message_id: Int
-)
-
-@Serializable
-data class WebSocketDeleteDmRequest(
-    val id: Int,
-    @SerialName("recipientId") val recipientId: Int,
-)
-
-@Serializable
-data class DmDeletedData(
-    val id: Int,
-    @SerialName("senderId") val senderId: Int,
-    @SerialName("recipientId") val recipientId: Int? = null,
-)
-
-@Serializable
-data class DmTypingData(
-    @SerialName("recipientId") val recipientId: Int
-)
-
-@Serializable
-data class SubscribeStatusData(
-    @SerialName("userId") val userId: Int
-)
-
-@Serializable
-data class BackupBlobResponse(
-    val blob: String?
-)
-
-@Serializable
-data class BackupBlobRequest(
-    val blob: String
-)
-
-@Serializable
-data class SimilarityResult(
-    @SerialName("isSimilar") val isSimilar: Boolean,
-    @SerialName("similarTo") val similarTo: String? = null
-)
-
-@Serializable
-data class VerifyResponse(
-    val verified: Boolean
-)
-
-@Serializable
-data class FcmTokenRequest(
-    val token: String
-)
-
-@Serializable
-data class LiveKitTokenRequest(
-    @SerialName("peer_user_id") val peerUserId: Int,
-    @SerialName("room_name") val roomName: String? = null,
-)
-
-@Serializable
-data class LiveKitTokenResponse(
-    @SerialName("server_url") val serverUrl: String,
-    val token: String,
-    @SerialName("room_name") val roomName: String,
-)
-
-@Serializable
-data class CallSignalingLiveKitPayload(
-    val toUserId: Int,
-    val roomName: String,
-    val serverUrl: String,
-)
-
-@Serializable
-data class CallSignalingLiveKitControl(
-    val toUserId: Int,
-    val kind: String,
-    val roomName: String? = null,
-)

app/shared/src/commonMain/kotlin/ru/fromchat/api/UpdateSyncManager.kt

@@ -1,13 +1,20 @@
 package ru.fromchat.api
 
 import com.pr0gramm3r101.utils.settings.settings
+import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.launch
-import ru.fromchat.core.Logger
+import ru.fromchat.Logger
+import ru.fromchat.api.local.WebSocketManager
+import ru.fromchat.api.local.db.store.ConnectionStateStore
+import ru.fromchat.api.schema.websocket.WebSocketCredentials
+import ru.fromchat.api.schema.websocket.WebSocketMessage
+import ru.fromchat.api.schema.websocket.requests.GetUpdatesRequest
+import ru.fromchat.api.schema.websocket.requests.GetUpdatesResponse
 import kotlin.concurrent.Volatile
 
 /**
@@ -35,6 +42,7 @@ object UpdateSyncManager {
         ConnectionStateStore.updateSeqAndMissed(lastSeq = stored, missedCount = null)
     }
 
+    @OptIn(DelicateCoroutinesApi::class)
     fun onUpdatesBatch(seq: Int) {
         if (seq <= 0) return
         val currentUserId = ApiClient.user?.id ?: return

app/shared/src/commonMain/kotlin/ru/fromchat/api/Utils.kt

@@ -1,8 +1,9 @@
 package ru.fromchat.api
 
-import ru.fromchat.core.Logger
 import io.ktor.client.call.body
 import io.ktor.client.plugins.ClientRequestException
+import ru.fromchat.api.schema.core.ErrorResponse
+import ru.fromchat.Logger
 
 suspend inline fun <Response> apiRequest(
     unexpectedError: String,

app/shared/src/commonMain/kotlin/ru/fromchat/api/WebSocketData.kt

@@ -1,51 +0,0 @@
-package ru.fromchat.api
-
-import kotlinx.serialization.SerialName
-import kotlinx.serialization.Serializable
-
-@Serializable
-data class WebSocketUpdatesData(
-    val seq: Int,
-    val updates: List<WebSocketMessage>
-)
-
-@Serializable
-data class GetUpdatesRequest(
-    @SerialName("lastSeq") val lastSeq: Int
-)
-
-@Serializable
-data class GetUpdatesResponse(
-    val status: String,
-    @SerialName("lastSeq") val lastSeq: Int,
-    @SerialName("missedCount") val missedCount: Int
-)
-
-@Serializable
-data class ReactionUpdateData(
-    val message_id: Int,
-    val emoji: String,
-    val action: String,
-    val user_id: Int,
-    val username: String,
-    val reactions: List<ReactionData>
-)
-
-@Serializable
-data class ReactionData(
-    val emoji: String,
-    val count: Int,
-    val users: List<ReactionUser>
-)
-
-@Serializable
-data class ReactionUser(
-    val id: Int,
-    val username: String
-)
-
-@Serializable
-data class TypingUpdateData(
-    val userId: Int,
-    val username: String
-)

app/shared/src/commonMain/kotlin/ru/fromchat/api/calls/CallStore.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.calls
+package ru.fromchat.api.calls
 
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -14,11 +14,11 @@ import kotlinx.serialization.json.contentOrNull
 import kotlinx.serialization.json.jsonObject
 import kotlinx.serialization.json.jsonPrimitive
 import ru.fromchat.api.ApiClient
-import ru.fromchat.api.ProfileCache
-import ru.fromchat.api.WebSocketMessage
-import ru.fromchat.api.visibleDisplayName
-import ru.fromchat.core.Logger
-import ru.fromchat.core.config.Config
+import ru.fromchat.api.local.db.store.ProfileCache
+import ru.fromchat.api.local.db.store.visibleDisplayName
+import ru.fromchat.api.schema.websocket.WebSocketMessage
+import ru.fromchat.Logger
+import ru.fromchat.config.ServerConfig
 
 private const val TAG = "CallStore"
 
@@ -105,7 +105,7 @@ object CallStore {
         val roomName = obj["roomName"]?.jsonPrimitive?.contentOrNull?.takeIf { it.isNotBlank() }
         if (serverUrl == null || roomName == null || fromUserId == null) return
         if (fromUserId == currentId) return
-        if (!Config.callsEnabled) {
+        if (!ServerConfig.callsEnabled) {
             Logger.d(TAG, "call_signaling invite ignored (calls disabled in server config)")
             return
         }
@@ -122,7 +122,7 @@ object CallStore {
 
     fun startOutgoingCall(peerUserId: Int) {
         if (peerUserId <= 0 || peerUserId == ApiClient.user?.id) return
-        if (!Config.callsEnabled) {
+        if (!ServerConfig.callsEnabled) {
             Logger.d(TAG, "startOutgoingCall ignored (calls disabled: set calls port in server settings)")
             return
         }
@@ -134,7 +134,7 @@ object CallStore {
                     val tok = ApiClient.fetchLiveKitToken(peerUserId, null)
                     // LiveKit WS endpoint is exposed on the same host as the server config,
                     // using the configured calls port.
-                    val signalUrl = Config.liveKitWsUrl()
+                    val signalUrl = ServerConfig.liveKitWsUrl()
                     ApiClient.sendLiveKitInvite(peerUserId, tok.roomName, signalUrl)
                     val label = peerLabel(peerUserId)
                     LiveKitConnectSession(
@@ -162,7 +162,7 @@ object CallStore {
 
     fun acceptIncoming() {
         val inc = _ui.value as? CallUiState.Incoming ?: return
-        if (!Config.callsEnabled) {
+        if (!ServerConfig.callsEnabled) {
             Logger.d(TAG, "acceptIncoming ignored (calls disabled)")
             return
         }
@@ -175,7 +175,7 @@ object CallStore {
                     val display =
                         if (inc.fromUsername.isNotBlank()) inc.fromUsername else label
                     LiveKitConnectSession(
-                        serverUrl = Config.liveKitWsUrl(),
+                        serverUrl = ServerConfig.liveKitWsUrl(),
                         token = tok.token,
                         peerUserId = inc.fromUserId,
                         peerDisplayName = display,

app/shared/src/commonMain/kotlin/ru/fromchat/api/calls/LiveKitConnectSession.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.calls
+package ru.fromchat.api.calls
 
 data class LiveKitConnectSession(
     val serverUrl: String,

app/shared/src/commonMain/kotlin/ru/fromchat/api/crypto/DmCiphertextCorruptedException.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.crypto
+package ru.fromchat.api.crypto
 
 /**
  * AES-GCM authentication failed or ciphertext is unrecoverable (wrong key, truncated, or tampered).

app/shared/src/commonMain/kotlin/ru/fromchat/api/crypto/DmCrypto.kt

@@ -1,8 +1,12 @@
-package ru.fromchat.crypto
+package ru.fromchat.api.crypto
 
 import com.pr0gramm3r101.utils.crypto.PasswordHash
-import ru.fromchat.api.DmEnvelope
-import ru.fromchat.crypto.dm.DmCrypto
+import com.pr0gramm3r101.utils.files.PlatformFileSystem
+import ru.fromchat.Logger
+import ru.fromchat.api.ApiClient
+import ru.fromchat.api.schema.messages.dm.DmEnvelope
+import ru.fromchat.api.schema.messages.dm.DmFile
+import ru.fromchat.api.crypto.dm.DmCrypto
 
 /** Shown in the UI when [DmCiphertextCorruptedException] is caught while decrypting a DM. */
 /** Must match [ru.fromchat.Res.string.message_corrupted] (Compose resources). */
@@ -55,7 +59,7 @@ suspend fun decryptEnvelope(envelope: DmEnvelope, currentUserId: Int?): String {
  * Decrypt a DM file attachment to [outputPath]: streams download + decrypt without holding the full blob in RAM.
  */
 suspend fun decryptFileToPath(
-    file: ru.fromchat.api.DmFile,
+    file: DmFile,
     envelope: DmEnvelope,
     currentUserId: Int?,
     outputPath: String,
@@ -71,8 +75,8 @@ suspend fun decryptFileToPath(
         ?: throw IllegalArgumentException("No nonce available for file decryption: ${file.path}")
 
     val mek = unwrapMek(wrappedMekB64, envelope, currentUserId)
-    ru.fromchat.core.Logger.d("DmCrypto", "fetchEncryptedFile path=${file.path}")
-    val encryptedOnDisk = ru.fromchat.api.ApiClient.fetchEncryptedFileResumable(
+    Logger.d("DmCrypto", "fetchEncryptedFile path=${file.path}")
+    val encryptedOnDisk = ApiClient.fetchEncryptedFileResumable(
         path = file.path,
         resumeKey = downloadResumeKey,
         onProgress = onDownloadProgress,
@@ -93,7 +97,7 @@ suspend fun decryptFileToPath(
         decryptedSize
     } finally {
         if (downloadResumeKey == null) {
-            com.pr0gramm3r101.utils.files.PlatformFileSystem.delete(encryptedOnDisk.path)
+            PlatformFileSystem.delete(encryptedOnDisk.path)
         }
     }
 }

app/shared/src/commonMain/kotlin/ru/fromchat/api/crypto/IdentityKeyManager.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.crypto
+package ru.fromchat.api.crypto
 
 import com.pr0gramm3r101.utils.crypto.Base64
 import com.pr0gramm3r101.utils.settings.secureSettings
@@ -10,14 +10,15 @@ import io.ktor.http.ContentType
 import io.ktor.http.contentType
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
+import kotlinx.serialization.Serializable
 import ru.fromchat.api.ApiClient
-import ru.fromchat.api.PublicKeyResponse
-import ru.fromchat.core.Logger
-import ru.fromchat.core.config.Config
-import ru.fromchat.crypto.backup.BackupCrypto
-import ru.fromchat.crypto.backup.PrivateKeyBundle
-import ru.fromchat.crypto.backup.decodeBlob
-import ru.fromchat.crypto.backup.encodeBlob
+import ru.fromchat.api.schema.user.keys.PublicKeyResponse
+import ru.fromchat.Logger
+import ru.fromchat.config.ServerConfig
+import ru.fromchat.api.crypto.backup.BackupCrypto
+import ru.fromchat.api.crypto.backup.PrivateKeyBundle
+import ru.fromchat.api.crypto.backup.decodeBlob
+import ru.fromchat.api.crypto.backup.encodeBlob
 import kotlin.concurrent.Volatile
 
 /**
@@ -168,7 +169,7 @@ object IdentityKeyManager {
 
     private suspend fun fetchBackupBlob(token: String): String? {
         return try {
-            val response = ApiClient.http.get("${Config.apiBaseUrl}/crypto/backup")
+            val response = ApiClient.http.get("${ServerConfig.apiBaseUrl}/crypto/backup")
             val backupResponse = response.body<BackupBlobResponse>()
             backupResponse.blob
         } catch (e: Exception) {
@@ -179,7 +180,7 @@ object IdentityKeyManager {
 
     private suspend fun uploadBackupBlob(blobJson: String, token: String) {
         val payload = BackupBlobRequest(blob = blobJson)
-        ApiClient.http.post("${Config.apiBaseUrl}/crypto/backup") {
+        ApiClient.http.post("${ServerConfig.apiBaseUrl}/crypto/backup") {
             contentType(ContentType.Application.Json)
             setBody(payload)
         }
@@ -197,24 +198,24 @@ object IdentityKeyManager {
 
     private suspend fun uploadPublicKey(publicKey: ByteArray, token: String) {
         val payload = UploadPublicKeyRequest(publicKey = Base64.encode(publicKey))
-        ApiClient.http.post("${Config.apiBaseUrl}/crypto/public-key") {
+        ApiClient.http.post("${ServerConfig.apiBaseUrl}/crypto/public-key") {
             contentType(ContentType.Application.Json)
             setBody(payload)
         }
     }
 }
 
-@kotlinx.serialization.Serializable
+@Serializable
 private data class BackupBlobResponse(
     val blob: String?
 )
 
-@kotlinx.serialization.Serializable
+@Serializable
 private data class BackupBlobRequest(
     val blob: String
 )
 
-@kotlinx.serialization.Serializable
+@Serializable
 private data class UploadPublicKeyRequest(
     val publicKey: String
 )

app/shared/src/commonMain/kotlin/ru/fromchat/api/crypto/backup/BackupCrypto.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.crypto.backup
+package ru.fromchat.api.crypto.backup
 
 import com.pr0gramm3r101.utils.crypto.Base64
 import kotlinx.serialization.json.Json

app/shared/src/commonMain/kotlin/ru/fromchat/api/crypto/dm/AesGcmStreamingFileDecrypt.kt

@@ -1,8 +1,8 @@
-package ru.fromchat.crypto.dm
+package ru.fromchat.api.crypto.dm
 
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
-import ru.fromchat.crypto.DmCiphertextCorruptedException
+import ru.fromchat.api.crypto.DmCiphertextCorruptedException
 
 /**
  * Streams a MEK-encrypted attachment (ciphertext || tag on disk; IV passed separately) to [outputPath].
@@ -21,11 +21,7 @@ internal suspend fun aesGcmDecryptMekFileToPath(
             outputPath = outputPath,
         )
     } catch (e: Throwable) {
-        throw if (e is DmCiphertextCorruptedException) {
-            e
-        } else {
-            DmCiphertextCorruptedException(cause = e)
-        }
+        throw e as? DmCiphertextCorruptedException ?: DmCiphertextCorruptedException(cause = e)
     }
 }
 

app/shared/src/commonMain/kotlin/ru/fromchat/api/crypto/dm/DmCrypto.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.crypto.dm
+package ru.fromchat.api.crypto.dm
 
 import com.pr0gramm3r101.utils.crypto.Base64
 

app/shared/src/commonMain/kotlin/ru/fromchat/api/crypto/dm/DmFileOps.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.crypto.dm
+package ru.fromchat.api.crypto.dm
 
 /**
  * DM attachment file decrypt (streaming; shared across Android and iOS).

app/shared/src/commonMain/kotlin/ru/fromchat/api/crypto/transport/TransportCrypto.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.crypto.transport
+package ru.fromchat.api.crypto.transport
 
 /**
  * Result of client-side transport encryption for DMs.

app/shared/src/commonMain/kotlin/ru/fromchat/api/crypto/transport/TransportFileEncryptor.kt

@@ -1,6 +1,6 @@
-package ru.fromchat.crypto.transport
+package ru.fromchat.api.crypto.transport
 
-import ru.fromchat.core.cache.openOutboundFileInputStream
+import ru.fromchat.api.local.cache.openOutboundFileInputStream
 
 /**
  * Encrypts a plaintext attachment file to a transport blob on disk without loading the full file into RAM.

app/shared/src/commonMain/kotlin/ru/fromchat/api/crypto/transport/TransportFileKey.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.crypto.transport
+package ru.fromchat.api.crypto.transport
 
 private const val TRANSPORT_FILE_KEY_CONTEXT = "fromchat_transport_file_v1"
 

app/shared/src/commonMain/kotlin/ru/fromchat/api/crypto/transport/TransportStreamFormat.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.crypto.transport
+package ru.fromchat.api.crypto.transport
 
 /**
  * Streaming transport file blob (AES-256-GCM, chunked).

app/shared/src/commonMain/kotlin/ru/fromchat/api/instance/InstanceIdGuard.kt

@@ -1,13 +1,14 @@
-package ru.fromchat.core.instance
+package ru.fromchat.api.instance
 
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.SupervisorJob
 import kotlinx.coroutines.launch
+import ru.fromchat.api.local.cache.CacheContext
+import ru.fromchat.api.local.db.store.InstanceRegistryStore
+import ru.fromchat.config.ServerConfigData
+import ru.fromchat.api.instance.InstanceIdGuard.INSTANCE_ID_HEADER
 import kotlin.concurrent.Volatile
-import ru.fromchat.api.db.InstanceRegistryStore
-import ru.fromchat.core.ServerConfigData
-import ru.fromchat.core.cache.CacheContext
 
 /**
  * Handles [INSTANCE_ID_HEADER] on API responses (main client + probe during server setup).

app/shared/src/commonMain/kotlin/ru/fromchat/api/instance/InstanceIdResolve.kt

@@ -1,15 +1,14 @@
-package ru.fromchat.core.instance
+package ru.fromchat.api.instance
 
-import io.ktor.client.plugins.ClientRequestException
-import io.ktor.client.plugins.HttpRequestTimeoutException
 import io.ktor.client.network.sockets.ConnectTimeoutException
 import io.ktor.client.network.sockets.SocketTimeoutException
+import io.ktor.client.plugins.ClientRequestException
+import io.ktor.client.plugins.HttpRequestTimeoutException
 import kotlinx.coroutines.TimeoutCancellationException
 import kotlinx.coroutines.withTimeout
 import ru.fromchat.api.ApiClient
-import ru.fromchat.api.db.InstanceRegistryStore
-import ru.fromchat.core.ServerConfigData
-import ru.fromchat.core.configKey
+import ru.fromchat.api.local.db.store.InstanceRegistryStore
+import ru.fromchat.config.ServerConfigData
 
 private val UUID_REGEX =
     Regex("^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$")

app/shared/src/commonMain/kotlin/ru/fromchat/api/instance/ServerConfigKeys.kt

@@ -1,4 +1,6 @@
-package ru.fromchat.core
+package ru.fromchat.api.instance
+
+import ru.fromchat.config.ServerConfigData
 
 fun ServerConfigData.configKey(): String {
     val scheme = if (httpsEnabled) "1" else "0"

app/shared/src/commonMain/kotlin/ru/fromchat/api/instance/ServerConfigProbe.kt

@@ -1,14 +1,13 @@
-package ru.fromchat.core.instance
+package ru.fromchat.api.instance
 
-import kotlin.time.TimeSource
-import kotlinx.coroutines.TimeoutCancellationException
 import kotlinx.coroutines.withTimeout
 import ru.fromchat.api.ApiClient
-import ru.fromchat.api.WebSocketManager
-import ru.fromchat.api.db.InstanceRegistryStore
-import ru.fromchat.core.ServerConfigData
-import ru.fromchat.core.cache.CacheContext
-import ru.fromchat.core.config.Config
+import ru.fromchat.api.local.WebSocketManager
+import ru.fromchat.api.local.db.store.InstanceRegistryStore
+import ru.fromchat.config.ServerConfigData
+import ru.fromchat.api.local.cache.CacheContext
+import ru.fromchat.config.ServerConfig
+import kotlin.time.TimeSource
 
 sealed interface ServerProbeResult {
     data class Supported(
@@ -64,7 +63,7 @@ suspend fun applyServerConfig(
     callsOk: Boolean,
 ) {
     val tentative = config.copy(callsEnabled = callsOk)
-    Config.updateServerConfig(tentative)
+    ServerConfig.updateServerConfig(tentative)
     val userId = ApiClient.user?.id
     InstanceRegistryStore.rebindServerInstance(tentative, instanceId)
     CacheContext.setActiveInstance(instanceId, userId)

app/shared/src/commonMain/kotlin/ru/fromchat/api/instance/SessionInstanceBootstrap.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.core.instance
+package ru.fromchat.api.instance
 
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -7,11 +7,11 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import ru.fromchat.api.ApiClient
-import ru.fromchat.api.AttachmentDownloadNotifier
-import ru.fromchat.api.db.InstanceRegistryStore
-import ru.fromchat.core.Settings
-import ru.fromchat.api.outbox.scheduleOutboxProcessing
-import ru.fromchat.core.cache.CacheContext
+import ru.fromchat.api.local.db.store.InstanceRegistryStore
+import ru.fromchat.api.local.download.AttachmentDownloadNotifier
+import ru.fromchat.api.local.send.scheduleOutboxProcessing
+import ru.fromchat.config.Settings
+import ru.fromchat.api.local.cache.CacheContext
 
 sealed interface SessionBootstrapResult {
     data object Ready : SessionBootstrapResult

app/shared/src/commonMain/kotlin/ru/fromchat/api/local/AttachmentMediaLog.kt

@@ -1,7 +1,7 @@
-package ru.fromchat.ui.chat
+package ru.fromchat.api.local
 
+import ru.fromchat.Logger
 import kotlin.time.Clock
-import ru.fromchat.core.Logger
 
 /**
  * Unified filter tag for attachment media pipeline (upload, download, disk/bitmap cache, tile decode).

app/shared/src/commonMain/kotlin/ru/fromchat/api/local/AttachmentMime.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.ui.chat
+package ru.fromchat.api.local
 
 fun mimeTypeForFilename(filename: String): String {
     val ext = filename.substringAfterLast('.').lowercase()

app/shared/src/commonMain/kotlin/ru/fromchat/api/local/WebSocketManager.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.api
+package ru.fromchat.api.local
 
 import io.ktor.client.plugins.websocket.DefaultClientWebSocketSession
 import io.ktor.client.plugins.websocket.webSocket
@@ -11,29 +11,36 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.IO
+import kotlinx.coroutines.Job
 import kotlinx.coroutines.TimeoutCancellationException
 import kotlinx.coroutines.cancel
+import kotlinx.coroutines.currentCoroutineContext
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.ensureActive
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.asSharedFlow
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.isActive
-import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.suspendCancellableCoroutine
 import kotlinx.coroutines.withTimeout
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.jsonObject
 import kotlinx.serialization.json.jsonPrimitive
 import ru.fromchat.AppForeground
-import ru.fromchat.core.Logger
-import ru.fromchat.core.cache.CacheContext
-import ru.fromchat.core.config.Config
-import ru.fromchat.core.instance.InstanceIdGuard
+import ru.fromchat.Logger
+import ru.fromchat.api.ApiClient
+import ru.fromchat.api.UpdateSyncManager
+import ru.fromchat.api.instance.InstanceIdGuard
+import ru.fromchat.api.local.cache.CacheContext
+import ru.fromchat.api.local.db.store.ConnectionStateStore
+import ru.fromchat.api.schema.websocket.WebSocketCredentials
+import ru.fromchat.api.schema.websocket.WebSocketMessage
+import ru.fromchat.api.schema.websocket.types.WebSocketUpdatesData
+import ru.fromchat.config.ServerConfig
 import kotlin.concurrent.Volatile
-import kotlin.coroutines.coroutineContext
-import kotlin.coroutines.suspendCoroutine
 import kotlin.time.Clock
+import kotlin.time.Duration.Companion.milliseconds
 import kotlin.time.ExperimentalTime
 
 @OptIn(ExperimentalTime::class)
@@ -41,7 +48,6 @@ object WebSocketManager {
     private const val TAG = "WebSocketManager"
     private const val MIN_RECONNECT_DELAY_MS = 1_000L
     private const val MAX_RECONNECT_DELAY_MS = 60_000L
-    /** Android [NetworkCallback.onAvailable] can fire repeatedly; avoid canceling the reconnect loop each time. */
     private const val NETWORK_AVAILABLE_DEBOUNCE_MS = 2_000L
     private const val FOREGROUND_DELAY_CHUNK_MS = 200L
 
@@ -91,10 +97,10 @@ object WebSocketManager {
     private suspend fun delayWhileForeground(totalMs: Long) {
         var remaining = totalMs
         while (remaining > 0) {
-            coroutineContext.ensureActive()
+            currentCoroutineContext().ensureActive()
             awaitForeground()
             val chunk = minOf(FOREGROUND_DELAY_CHUNK_MS, remaining)
-            delay(chunk)
+            delay(chunk.milliseconds)
             remaining -= chunk
         }
     }
@@ -104,7 +110,7 @@ object WebSocketManager {
         if (session != null) return true
         val startTime = Clock.System.now().toEpochMilliseconds()
         while (session == null && (Clock.System.now().toEpochMilliseconds() - startTime) < timeoutMs) {
-            delay(100)
+            delay(100.milliseconds)
         }
         logD("waitForConnection finished: session=${session != null}")
         return session != null
@@ -144,7 +150,7 @@ object WebSocketManager {
                 }
 
                 try {
-                    val wsUrl = Config.webSocketUrl
+                    val wsUrl = ServerConfig.webSocketUrl
                     logD("Attempting to connect to: $wsUrl")
                     connecting = true
                     ConnectionStateStore.onConnecting()
@@ -194,7 +200,8 @@ object WebSocketManager {
                                 val msg = when (messageType) {
                                     "updates" -> {
                                         runCatching {
-                                            val updatesData = json.decodeFromJsonElement(WebSocketUpdatesData.serializer(), jsonTree)
+                                            val updatesData = json.decodeFromJsonElement(
+                                                WebSocketUpdatesData.serializer(), jsonTree)
                                             UpdateSyncManager.onUpdatesBatch(updatesData.seq)
                                         }.onFailure {
                                             logW("Failed to decode updates envelope for seq tracking: ${it.message}", it)
@@ -277,8 +284,8 @@ object WebSocketManager {
             }
 
             send(message)
-            withTimeout(timeoutMs) {
-                suspendCoroutine { continuation ->
+            withTimeout(timeoutMs.milliseconds) {
+                suspendCancellableCoroutine { continuation ->
                     handler = { response ->
                         if (response.type == message.type) {
                             continuation.resumeWith(Result.success(response))

app/shared/src/commonMain/kotlin/ru/fromchat/api/local/cache/AttachmentUploadLimits.kt

@@ -1,6 +1,6 @@
-package ru.fromchat.core.cache
+package ru.fromchat.api.local.cache
 
-/** Error key stored on [ru.fromchat.api.Message.uploadError] for localized UI. */
+/** Error key stored on [ru.fromchat.api.schema.Message.uploadError] for localized UI. */
 const val UPLOAD_ERROR_FILE_TOO_LARGE = "file_too_large"
 
 /** Maximum plaintext attachment size (matches file_storage MAX_UPLOAD_SIZE). */

app/shared/src/commonMain/kotlin/ru/fromchat/api/local/cache/CacheContext.kt

@@ -1,12 +1,13 @@
-package ru.fromchat.core.cache
+package ru.fromchat.api.local.cache
 
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
-import ru.fromchat.api.ProfileCache
-import ru.fromchat.api.db.MessageDatabaseProvider
-import ru.fromchat.ui.chat.PublicChatPanelCache
-import ru.fromchat.ui.dm.DmPanelCache
+import ru.fromchat.api.local.db.store.ProfileCache
+import ru.fromchat.api.local.db.store.MessageDatabaseProvider
+import ru.fromchat.api.local.cache.CacheContext.activeInstanceId
+import ru.fromchat.ui.chat.utils.PublicChatPanelCache
+import ru.fromchat.ui.chat.panels.dm.DmPanelCache
 
 /**
  * Active server instance partition for reads/writes.

app/shared/src/commonMain/kotlin/ru/fromchat/api/local/cache/CacheValidator.kt

@@ -1,11 +1,11 @@
-package ru.fromchat.core.cache
+package ru.fromchat.api.local.cache
 
-import ru.fromchat.api.Message
-import ru.fromchat.api.db.GENERAL_PUBLIC_GROUP_ID
-import ru.fromchat.api.db.conversationIdForDm
-import ru.fromchat.api.db.conversationIdForGroup
-import ru.fromchat.api.db.dmOtherUserIdFromConversationId
-import ru.fromchat.api.db.groupIdFromConversationId
+import ru.fromchat.api.local.messages.GENERAL_PUBLIC_GROUP_ID
+import ru.fromchat.api.local.messages.conversationIdForDm
+import ru.fromchat.api.local.messages.conversationIdForGroup
+import ru.fromchat.api.local.messages.dmOtherUserIdFromConversationId
+import ru.fromchat.api.local.messages.groupIdFromConversationId
+import ru.fromchat.api.schema.messages.Message
 
 /**
  * In-partition validation so stale rows from a wrong server switch cannot render as trusted history.

app/shared/src/commonMain/kotlin/ru/fromchat/api/local/cache/DecryptedFileCache.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.ui.chat
+package ru.fromchat.api.local.cache
 
 import com.pr0gramm3r101.utils.files.PlatformFileSystem
 import kotlinx.coroutines.CancellationException
@@ -7,13 +7,17 @@ import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import kotlinx.coroutines.withContext
 import ru.fromchat.api.ApiClient
-import ru.fromchat.api.AttachmentDownloadNotifier
-import ru.fromchat.api.AttachmentDownloadProgress
-import ru.fromchat.api.DmEnvelope
-import ru.fromchat.api.DmFile
-import ru.fromchat.crypto.dm.decryptFailureMessage
-import ru.fromchat.core.cache.copyOutboundFileToPath
-import ru.fromchat.crypto.decryptFileToPath
+import ru.fromchat.api.crypto.decryptFileToPath
+import ru.fromchat.api.crypto.dm.decryptFailureMessage
+import ru.fromchat.api.local.AttachmentMediaLog
+import ru.fromchat.api.local.download.AttachmentDownloadNotifier
+import ru.fromchat.api.local.download.AttachmentDownloadProgress
+import ru.fromchat.api.local.download.AttachmentDownloadScheduler
+import ru.fromchat.api.local.download.checkAttachmentDownloadActive
+import ru.fromchat.api.local.download.ensureAttachmentDownloadActive
+import ru.fromchat.api.schema.messages.dm.DmEnvelope
+import ru.fromchat.api.schema.messages.dm.DmFile
+import ru.fromchat.api.local.download.DownloadedFileRegistry
 
 /**
  * Disk cache for decrypted non-image DM attachments (bytes on disk, opened via platform URI).

app/shared/src/commonMain/kotlin/ru/fromchat/api/local/cache/DecryptedImageCache.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.ui.chat
+package ru.fromchat.api.local.cache
 
 import com.pr0gramm3r101.utils.files.PlatformFileSystem
 import kotlinx.coroutines.CancellationException
@@ -7,11 +7,18 @@ import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import kotlinx.coroutines.withContext
 import ru.fromchat.api.ApiClient
-import ru.fromchat.api.DmEnvelope
-import ru.fromchat.api.DmFile
-import ru.fromchat.api.AttachmentDownloadNotifier
-import ru.fromchat.api.AttachmentDownloadProgress
-import ru.fromchat.crypto.decryptFileToPath
+import ru.fromchat.api.local.download.AttachmentDownloadNotifier
+import ru.fromchat.api.local.download.AttachmentDownloadProgress
+import ru.fromchat.api.schema.messages.dm.DmEnvelope
+import ru.fromchat.api.schema.messages.dm.DmFile
+import ru.fromchat.api.crypto.decryptFileToPath
+import ru.fromchat.api.local.AttachmentMediaLog
+import ru.fromchat.api.local.download.AttachmentDownloadScheduler
+import ru.fromchat.api.local.download.checkAttachmentDownloadActive
+import ru.fromchat.api.local.download.ensureAttachmentDownloadActive
+import ru.fromchat.ui.chat.utils.AttachmentDownloadVisibility
+import ru.fromchat.api.local.cache.DecryptedImageCache.storageKey
+import ru.fromchat.api.local.download.LocalDecodedImageCache
 
 /**
  * Disk + in-memory cache for decrypted DM images.
@@ -112,7 +119,7 @@ object DecryptedImageCache {
         val cidKey = storageKey(messageId, fileIndex, cid)
         val sourceUri = readDisk(cidKey) ?: return
         val bytes = runCatching {
-            ru.fromchat.core.cache.readOutboundFileBytes(sourceUri)
+            readOutboundFileBytes(sourceUri)
         }.getOrNull() ?: return
         if (bytes.isEmpty()) return
         withContext(Dispatchers.Default) {
@@ -286,7 +293,7 @@ object DecryptedImageCache {
         }
         val t0 = AttachmentMediaLog.nowMs()
         val bytes = runCatching {
-            ru.fromchat.core.cache.readOutboundFileBytes(localFileUri)
+            readOutboundFileBytes(localFileUri)
         }.getOrNull()
         if (bytes == null) {
             AttachmentMediaLog.diskCache("seed_read_failed", "key" to key, "src" to localFileUri)

app/shared/src/commonMain/kotlin/ru/fromchat/api/local/cache/FileWriteSink.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.core.files
+package ru.fromchat.api.local.cache
 
 /**
  * Buffered file writer for streaming HTTP downloads (single open, chunked writes).

app/shared/src/commonMain/kotlin/ru/fromchat/api/local/cache/FromChatCacheDirs.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.core.cache
+package ru.fromchat.api.local.cache
 
 /** Deletes the `cacheDir/fromchat/` tree (blobs, DB file on disk). Call after [ru.fromchat.api.db.MessageRepository.clearAllCache]. */
 expect suspend fun wipeFromChatCacheDirectory()

app/shared/src/commonMain/kotlin/ru/fromchat/api/local/cache/FromChatCacheGeneration.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.core.cache
+package ru.fromchat.api.local.cache
 
 /**
  * Detects OS "clear cache" (generation sentinel missing) and records a new generation after open.

app/shared/src/commonMain/kotlin/ru/fromchat/api/local/cache/OutboundFileUnavailableException.kt

@@ -1,4 +1,4 @@
-package ru.fromchat.core.cache
+package ru.fromchat.api.local.cache
 
 /** Original attachment URI is no longer readable (revoked permission, deleted file, etc.). */
 class OutboundFileUnavailableException(