diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 6e1d655..a4f885b 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -2,6 +2,7 @@
 kotlin = "2.2.0"
 kotlinx-serialization = "1.8.1"
 kotlinx-coroutines = "1.10.2"
+ktor = "3.3.0"
 android = "8.9.2"
 compose-plugin = "1.8.0"
 androidx-compose-bom = "2025.05.00"
@@ -13,11 +14,21 @@ kotlinx-serialization-core = { module = "org.jetbrains.kotlinx:kotlinx-serializa
 kotlinx-serialization-json = { module = "org.jetbrains.kotlinx:kotlinx-serialization-json", version.ref = "kotlinx-serialization" }
 kotlinx-coroutines-core = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-core", version.ref = "kotlinx-coroutines" }
 kotlinx-coroutines-android = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-android", version.ref = "kotlinx-coroutines" }
+kotlinx-coroutines-test = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-test", version.ref = "kotlinx-coroutines" }
 androidx-activity-compose = { module = "androidx.activity:activity-compose", version.ref = "androidx-activity-compose" }
 android-material3 = { module = "androidx.compose.material3:material3" }
 androidx-compose-bom = { module = "androidx.compose:compose-bom", version.ref = "androidx-compose-bom" }
 exoplayer = { module = "com.google.android.exoplayer:exoplayer", version.ref = "exoplayer" }
 
+# Ktor client (HTTP)
+ktor-client-core = { module = "io.ktor:ktor-client-core", version.ref = "ktor" }
+ktor-client-okhttp = { module = "io.ktor:ktor-client-okhttp", version.ref = "ktor" }
+ktor-client-cio = { module = "io.ktor:ktor-client-cio", version.ref = "ktor" }
+ktor-client-content-negotiation = { module = "io.ktor:ktor-client-content-negotiation", version.ref = "ktor" }
+ktor-client-logging = { module = "io.ktor:ktor-client-logging", version.ref = "ktor" }
+ktor-serialization-kotlinx-json = { module = "io.ktor:ktor-serialization-kotlinx-json", version.ref = "ktor" }
+ktor-client-mock = { module = "io.ktor:ktor-client-mock", version.ref = "ktor" }
+
 [plugins]
 android-application = { id = "com.android.application", version.ref = "android" }
 android-library = { id = "com.android.library", version.ref = "android" }
diff --git a/lib-core/build.gradle.kts b/lib-core/build.gradle.kts
index 580f8c4..b764a4b 100644
--- a/lib-core/build.gradle.kts
+++ b/lib-core/build.gradle.kts
@@ -18,12 +18,22 @@ kotlin {
         commonMain.dependencies {
             implementation(libs.kotlinx.serialization.json)
             implementation(libs.kotlinx.coroutines.core)
+            implementation(libs.ktor.client.core)
+            implementation(libs.ktor.client.content.negotiation)
+            implementation(libs.ktor.client.logging)
+            implementation(libs.ktor.serialization.kotlinx.json)
         }
         commonTest.dependencies {
             implementation(kotlin("test"))
+            implementation(libs.ktor.client.mock)
+            implementation(libs.kotlinx.coroutines.test)
         }
         androidMain.dependencies {
             implementation(libs.kotlinx.coroutines.android)
+            implementation(libs.ktor.client.okhttp)
+        }
+        jvmMain.dependencies {
+            implementation(libs.ktor.client.cio)
         }
     }
 }
diff --git a/lib-core/src/commonMain/kotlin/pw/binom/viewmate/core/media/HttpClient.kt b/lib-core/src/commonMain/kotlin/pw/binom/viewmate/core/media/HttpClient.kt
new file mode 100644
index 0000000..8a30b81
--- /dev/null
+++ b/lib-core/src/commonMain/kotlin/pw/binom/viewmate/core/media/HttpClient.kt
@@ -0,0 +1,66 @@
+package pw.binom.viewmate.core.media
+
+import io.ktor.client.HttpClient
+import io.ktor.client.plugins.HttpTimeout
+import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
+import io.ktor.client.plugins.logging.LogLevel
+import io.ktor.client.plugins.logging.Logging
+import io.ktor.client.plugins.logging.Logger
+import io.ktor.client.statement.HttpResponse
+import io.ktor.client.statement.bodyAsText
+import io.ktor.http.isSuccess
+import io.ktor.serialization.kotlinx.json.json
+import kotlinx.serialization.json.Json
+
+/**
+ * Общий HTTP-клиент для media-бэкендов (Jellyfin, media-mirror):
+ * JSON-сериализация kotlinx, таймауты (connect 5s, request 30s), логирование в debug.
+ */
+fun defaultHttpClient(): HttpClient = HttpClient {
+    install(ContentNegotiation) {
+        json(
+            Json {
+                ignoreUnknownKeys = true
+                isLenient = true
+                explicitNulls = false
+            }
+        )
+    }
+    install(HttpTimeout) {
+        connectTimeoutMillis = 5_000
+        requestTimeoutMillis = 30_000
+    }
+    install(Logging) {
+        logger = object : Logger {
+            override fun log(message: String) {
+                if (HttpClientDebugLogging.enabled) println("[view-mate] $message")
+            }
+        }
+        level = LogLevel.INFO
+    }
+}
+
+/** Флаг debug-логирования HTTP (по умолчанию включён). */
+object HttpClientDebugLogging {
+    var enabled: Boolean = true
+}
+
+/** Ошибка HTTP-запроса с понятным текстом. */
+class ApiClientException(
+    message: String,
+    val status: Int? = null,
+    val body: String? = null,
+    cause: Throwable? = null,
+) : Exception(message, cause)
+
+/** Проверка успешности ответа; 2xx — ок, остальное — исключение с телом ответа. */
+internal suspend fun HttpResponse.ensureSuccess(context: String) {
+    if (status.isSuccess()) return
+    val bodyText = runCatching { bodyAsText() }.getOrNull()
+    val detail = if (bodyText.isNullOrBlank()) "" else "\n$bodyText"
+    throw ApiClientException(
+        message = "$context failed: HTTP ${status.value} ${status.description}$detail",
+        status = status.value,
+        body = bodyText,
+    )
+}
diff --git a/lib-core/src/commonMain/kotlin/pw/binom/viewmate/core/media/JellyfinClient.kt b/lib-core/src/commonMain/kotlin/pw/binom/viewmate/core/media/JellyfinClient.kt
new file mode 100644
index 0000000..51c1f7c
--- /dev/null
+++ b/lib-core/src/commonMain/kotlin/pw/binom/viewmate/core/media/JellyfinClient.kt
@@ -0,0 +1,73 @@
+package pw.binom.viewmate.core.media
+
+import io.ktor.client.HttpClient
+import io.ktor.client.call.body
+import io.ktor.client.request.get
+import io.ktor.client.request.header
+import io.ktor.client.request.parameter
+
+/**
+ * HTTP-клиент Jellyfin (каталог).
+ * Авторизация: X-Emby-Token заголовок; постеры — api_key query-параметр.
+ */
+class JellyfinClient(
+    private val baseUrl: String, // https://jellyfin.binom.pw
+    private val apiKey: String, // api_key / X-Emby-Token
+    private val http: HttpClient = defaultHttpClient(),
+) {
+    /** Список пользователей; брать первого. */
+    suspend fun users(): List<JellyfinUser> {
+        val response = http.get("$baseUrl/Users") {
+            header("X-Emby-Token", apiKey)
+        }
+        response.ensureSuccess("jellyfin.users")
+        return response.body()
+    }
+
+    /** Корень каталога (папки/библиотеки) пользователя. */
+    suspend fun rootItems(userId: String): List<JellyfinItem> = requestItems(
+        userId = userId,
+        recursive = false,
+    )
+
+    /** Содержимое папки. */
+    suspend fun items(userId: String, parentId: String): List<JellyfinItem> = requestItems(
+        userId = userId,
+        parentId = parentId,
+        recursive = false,
+    )
+
+    /** Поиск по всей библиотеке. */
+    suspend fun search(userId: String, query: String): List<JellyfinItem> = requestItems(
+        userId = userId,
+        searchTerm = query,
+        recursive = true,
+    )
+
+    /** Вся библиотека (для скана/поиска). */
+    suspend fun allItems(userId: String, types: List<String> = listOf("Movie", "Episode")): List<JellyfinItem> =
+        requestItems(userId = userId, recursive = true, types = types)
+
+    /** URL постера (просто строит, не качает). */
+    fun posterUrl(itemId: String, maxWidth: Int = 512): String =
+        "$baseUrl/Items/$itemId/Images/Primary?maxWidth=$maxWidth&quality=90&api_key=$apiKey"
+
+    private suspend fun requestItems(
+        userId: String,
+        parentId: String? = null,
+        searchTerm: String? = null,
+        recursive: Boolean = false,
+        types: List<String> = listOf("Movie", "Series", "Episode"),
+    ): List<JellyfinItem> {
+        val response = http.get("$baseUrl/Users/$userId/Items") {
+            header("X-Emby-Token", apiKey)
+            if (parentId != null) parameter("ParentId", parentId)
+            if (searchTerm != null) parameter("SearchTerm", searchTerm)
+            parameter("Recursive", recursive.toString())
+            parameter("IncludeItemTypes", types.joinToString(","))
+            parameter("Fields", "PrimaryImageAspectRatio,Overview")
+        }
+        response.ensureSuccess("jellyfin.items")
+        return response.body<JellyfinItemsResponse>().Items
+    }
+}
diff --git a/lib-core/src/commonMain/kotlin/pw/binom/viewmate/core/media/JellyfinModels.kt b/lib-core/src/commonMain/kotlin/pw/binom/viewmate/core/media/JellyfinModels.kt
new file mode 100644
index 0000000..4bc5ded
--- /dev/null
+++ b/lib-core/src/commonMain/kotlin/pw/binom/viewmate/core/media/JellyfinModels.kt
@@ -0,0 +1,28 @@
+package pw.binom.viewmate.core.media
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class JellyfinUser(
+    val Id: String,
+    val Name: String? = null,
+)
+
+@Serializable
+data class JellyfinItemsResponse(
+    val Items: List<JellyfinItem> = emptyList(),
+)
+
+@Serializable
+data class JellyfinItem(
+    val Id: String,
+    val Name: String? = null,
+    val Type: String? = null, // Movie/Series/Episode/Folder/CollectionFolder
+    val Overview: String? = null,
+    val ImageTags: Map<String, String>? = null, // Primary есть — есть постер
+    val SeriesName: String? = null, // для эпизодов
+    val SeasonId: String? = null,
+    val IndexNumber: Int? = null, // номер эпизода
+    val ParentIndexNumber: Int? = null, // номер сезона
+    val RunTimeTicks: Long? = null, // длительность (10_000_000 тиков = 1 сек)
+)
diff --git a/lib-core/src/commonMain/kotlin/pw/binom/viewmate/core/media/MirrorClient.kt b/lib-core/src/commonMain/kotlin/pw/binom/viewmate/core/media/MirrorClient.kt
new file mode 100644
index 0000000..cbc9622
--- /dev/null
+++ b/lib-core/src/commonMain/kotlin/pw/binom/viewmate/core/media/MirrorClient.kt
@@ -0,0 +1,72 @@
+package pw.binom.viewmate.core.media
+
+import io.ktor.client.HttpClient
+import io.ktor.client.call.body
+import io.ktor.client.request.delete
+import io.ktor.client.request.get
+import io.ktor.client.request.header
+import io.ktor.client.request.parameter
+import io.ktor.client.request.post
+import io.ktor.client.request.setBody
+import io.ktor.http.ContentType
+import io.ktor.http.HttpStatusCode
+import io.ktor.http.contentType
+
+/**
+ * HTTP-клиент media-mirror: статусы зеркал, заказ конвертации, файлы с озвучками.
+ * Авторизация: X-API-Key.
+ */
+class MirrorClient(
+    private val baseUrl: String, // https://mirror.binom.pw
+    private val apiKey: String, // X-API-Key
+    private val http: HttpClient = defaultHttpClient(),
+) {
+    /** Заказ конвертации элемента. 201 — создан, 200 — уже есть (дубль). */
+    suspend fun createMirror(itemId: String): MirrorJob {
+        val response = http.post("$baseUrl/api/mirror") {
+            header("X-API-Key", apiKey)
+            contentType(ContentType.Application.Json)
+            setBody(CreateMirrorRequest(itemId = itemId))
+        }
+        response.ensureSuccess("mirror.create")
+        return response.body()
+    }
+
+    /** Статус по itemId; null если ещё не создано (404). */
+    suspend fun mirrorByItem(itemId: String): MirrorStatus? {
+        val response = http.get("$baseUrl/api/mirror/by-item/$itemId") {
+            header("X-API-Key", apiKey)
+        }
+        if (response.status == HttpStatusCode.NotFound) return null
+        response.ensureSuccess("mirror.byItem")
+        return response.body()
+    }
+
+    /** Список зеркал: статус (null — все) + лимит. */
+    suspend fun list(status: String? = null, limit: Int = 50): List<MirrorJob> {
+        val response = http.get("$baseUrl/api/mirror") {
+            header("X-API-Key", apiKey)
+            parameter("limit", limit)
+            if (status != null) parameter("status", status)
+        }
+        response.ensureSuccess("mirror.list")
+        return response.body()
+    }
+
+    /** Удаление зеркала (204). */
+    suspend fun delete(id: String) {
+        val response = http.delete("$baseUrl/api/mirror/$id") {
+            header("X-API-Key", apiKey)
+        }
+        response.ensureSuccess("mirror.delete")
+    }
+
+    /** Догонялка: скан каталога. */
+    suspend fun scan(): ScanResult {
+        val response = http.post("$baseUrl/api/mirror/scan") {
+            header("X-API-Key", apiKey)
+        }
+        response.ensureSuccess("mirror.scan")
+        return response.body()
+    }
+}
diff --git a/lib-core/src/commonMain/kotlin/pw/binom/viewmate/core/media/MirrorModels.kt b/lib-core/src/commonMain/kotlin/pw/binom/viewmate/core/media/MirrorModels.kt
new file mode 100644
index 0000000..cf394fc
--- /dev/null
+++ b/lib-core/src/commonMain/kotlin/pw/binom/viewmate/core/media/MirrorModels.kt
@@ -0,0 +1,53 @@
+package pw.binom.viewmate.core.media
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class MirrorJob(
+    val id: String,
+    val itemId: String? = null,
+    val status: String? = null,
+    val progress: Int? = null,
+)
+
+@Serializable
+data class MirrorVideo(
+    val key: String,
+    val url: String,
+)
+
+@Serializable
+data class MirrorAudio(
+    val index: Int,
+    val key: String,
+    val title: String? = null,
+    val language: String? = null,
+    val url: String,
+)
+
+@Serializable
+data class MirrorFiles(
+    val video: MirrorVideo,
+    val audios: List<MirrorAudio> = emptyList(),
+)
+
+@Serializable
+data class MirrorStatus(
+    val itemId: String,
+    val status: String,
+    val files: MirrorFiles? = null,
+)
+
+@Serializable
+data class ScanResult(
+    val found: Int,
+    val created: Int,
+    val skipped: Int,
+)
+
+@Serializable
+data class CreateMirrorRequest(
+    val itemId: String,
+    val sourceUrl: String = "",
+    val sourceType: String = "jellyfin",
+)
diff --git a/lib-core/src/commonTest/kotlin/pw/binom/viewmate/core/media/JellyfinClientTest.kt b/lib-core/src/commonTest/kotlin/pw/binom/viewmate/core/media/JellyfinClientTest.kt
new file mode 100644
index 0000000..32aa1f8
--- /dev/null
+++ b/lib-core/src/commonTest/kotlin/pw/binom/viewmate/core/media/JellyfinClientTest.kt
@@ -0,0 +1,224 @@
+package pw.binom.viewmate.core.media
+
+import io.ktor.client.HttpClient
+import io.ktor.client.engine.mock.MockEngine
+import io.ktor.client.engine.mock.MockRequestHandleScope
+import io.ktor.client.engine.mock.respond
+import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
+import io.ktor.client.request.HttpRequestData
+import io.ktor.client.request.HttpResponseData
+import io.ktor.http.HttpHeaders
+import io.ktor.http.HttpStatusCode
+import io.ktor.http.headersOf
+import io.ktor.serialization.kotlinx.json.json
+import kotlinx.coroutines.test.runTest
+import kotlinx.serialization.json.Json
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlin.test.assertNull
+
+class JellyfinClientTest {
+
+    private val json = Json { ignoreUnknownKeys = true }
+
+    private fun client(
+        handler: MockRequestHandleScope.(HttpRequestData) -> HttpResponseData,
+    ): HttpClient = HttpClient(MockEngine { request -> handler(request) }) {
+        install(ContentNegotiation) { json(json) }
+    }
+
+    private fun MockRequestHandleScope.jsonResponse(body: String) = respond(
+        content = body,
+        status = HttpStatusCode.OK,
+        headers = headersOf(HttpHeaders.ContentType, "application/json"),
+    )
+
+    private val apiKey = "tok-123"
+
+    @Test
+    fun usersParsesListAndSendsToken() = runTest {
+        var capturedPath: String? = null
+        var capturedToken: String? = null
+        val jf = JellyfinClient(
+            baseUrl = "https://jellyfin.binom.pw",
+            apiKey = apiKey,
+            http = client { request ->
+                capturedPath = request.url.encodedPath
+                capturedToken = request.headers["X-Emby-Token"]
+                jsonResponse("""[{"Id":"u1","Name":"Admin"},{"Id":"u2"}]""")
+            },
+        )
+
+        val users = jf.users()
+
+        assertEquals("/Users", capturedPath)
+        assertEquals(apiKey, capturedToken)
+        assertEquals(2, users.size)
+        assertEquals("u1", users[0].Id)
+        assertEquals("Admin", users[0].Name)
+        assertNull(users[1].Name)
+    }
+
+    @Test
+    fun rootItemsParsesFolders() = runTest {
+        var capturedPath: String? = null
+        var capturedRecursive: String? = null
+        var capturedTypes: String? = null
+        val jf = JellyfinClient(
+            baseUrl = "https://jellyfin.binom.pw",
+            apiKey = apiKey,
+            http = client { request ->
+                capturedPath = request.url.encodedPath
+                capturedRecursive = request.url.parameters["Recursive"]
+                capturedTypes = request.url.parameters["IncludeItemTypes"]
+                jsonResponse(
+                    """{"Items":[{"Id":"f1","Name":"Фильмы","Type":"CollectionFolder"},""" +
+                        """{"Id":"f2","Name":"Сериалы","Type":"CollectionFolder"}]}"""
+                )
+            },
+        )
+
+        val items = jf.rootItems(userId = "u1")
+
+        assertEquals("/Users/u1/Items", capturedPath)
+        assertEquals("false", capturedRecursive)
+        assertEquals("Movie,Series,Episode", capturedTypes)
+        assertEquals(2, items.size)
+        assertEquals("f1", items[0].Id)
+        assertEquals("Фильмы", items[0].Name)
+        assertEquals("CollectionFolder", items[0].Type)
+    }
+
+    @Test
+    fun itemsSendsParentId() = runTest {
+        var capturedParentId: String? = null
+        val jf = JellyfinClient(
+            baseUrl = "https://jellyfin.binom.pw",
+            apiKey = apiKey,
+            http = client { request ->
+                capturedParentId = request.url.parameters["ParentId"]
+                jsonResponse("""{"Items":[{"Id":"m1","Name":"Interstellar","Type":"Movie"}]}""")
+            },
+        )
+
+        val items = jf.items(userId = "u1", parentId = "f1")
+
+        assertEquals("f1", capturedParentId)
+        assertEquals(1, items.size)
+        assertEquals("m1", items[0].Id)
+        assertEquals("Movie", items[0].Type)
+    }
+
+    @Test
+    fun searchSendsSearchTerm() = runTest {
+        var capturedSearchTerm: String? = null
+        var capturedRecursive: String? = null
+        val jf = JellyfinClient(
+            baseUrl = "https://jellyfin.binom.pw",
+            apiKey = apiKey,
+            http = client { request ->
+                capturedSearchTerm = request.url.parameters["SearchTerm"]
+                capturedRecursive = request.url.parameters["Recursive"]
+                jsonResponse("""{"Items":[{"Id":"s1","Name":"Солярис","Type":"Movie"}]}""")
+            },
+        )
+
+        val items = jf.search(userId = "u1", query = "солярис")
+
+        assertEquals("солярис", capturedSearchTerm)
+        assertEquals("true", capturedRecursive)
+        assertEquals(1, items.size)
+        assertEquals("Солярис", items[0].Name)
+    }
+
+    @Test
+    fun allItemsRecursiveAndDefaultTypes() = runTest {
+        var capturedRecursive: String? = null
+        var capturedTypes: String? = null
+        val jf = JellyfinClient(
+            baseUrl = "https://jellyfin.binom.pw",
+            apiKey = apiKey,
+            http = client { request ->
+                capturedRecursive = request.url.parameters["Recursive"]
+                capturedTypes = request.url.parameters["IncludeItemTypes"]
+                jsonResponse(
+                    """{"Items":[{"Id":"m1","Name":"Interstellar","Type":"Movie","RunTimeTicks":148800000000},""" +
+                        """{"Id":"e1","Name":"Пилот","Type":"Episode","SeriesName":"Друзья","IndexNumber":1,"ParentIndexNumber":1}]}"""
+                )
+            },
+        )
+
+        val items = jf.allItems(userId = "u1")
+
+        assertEquals("true", capturedRecursive)
+        assertEquals("Movie,Episode", capturedTypes)
+        assertEquals(2, items.size)
+        assertEquals(148800000000, items[0].RunTimeTicks)
+        assertEquals("Друзья", items[1].SeriesName)
+        assertEquals(1, items[1].IndexNumber)
+        assertEquals(1, items[1].ParentIndexNumber)
+    }
+
+    @Test
+    fun allItemsCustomTypes() = runTest {
+        var capturedTypes: String? = null
+        val jf = JellyfinClient(
+            baseUrl = "https://jellyfin.binom.pw",
+            apiKey = apiKey,
+            http = client { request ->
+                capturedTypes = request.url.parameters["IncludeItemTypes"]
+                jsonResponse("""{"Items":[]}""")
+            },
+        )
+
+        val items = jf.allItems(userId = "u1", types = listOf("Series"))
+
+        assertEquals("Series", capturedTypes)
+        assertEquals(0, items.size)
+    }
+
+    @Test
+    fun posterUrlBuildsUrlWithApiKey() {
+        val jf = JellyfinClient(
+            baseUrl = "https://jellyfin.binom.pw",
+            apiKey = apiKey,
+            http = client { jsonResponse("{}") },
+        )
+
+        assertEquals(
+            "https://jellyfin.binom.pw/Items/m1/Images/Primary?maxWidth=512&quality=90&api_key=tok-123",
+            jf.posterUrl(itemId = "m1"),
+        )
+        assertEquals(
+            "https://jellyfin.binom.pw/Items/m1/Images/Primary?maxWidth=256&quality=90&api_key=tok-123",
+            jf.posterUrl(itemId = "m1", maxWidth = 256),
+        )
+    }
+
+    @Test
+    fun itemRoundTrip() {
+        val item = JellyfinItem(
+            Id = "m1",
+            Name = "Interstellar",
+            Type = "Movie",
+            Overview = "Описание",
+            ImageTags = mapOf("Primary" to "hash"),
+            SeriesName = null,
+            SeasonId = null,
+            IndexNumber = null,
+            ParentIndexNumber = null,
+            RunTimeTicks = 123456L,
+        )
+        val text = json.encodeToString(JellyfinItem.serializer(), item)
+        val decoded = json.decodeFromString(JellyfinItem.serializer(), text)
+        assertEquals(item, decoded)
+    }
+
+    @Test
+    fun itemIgnoresUnknownFields() {
+        val text = """{"Id":"m1","Name":"X","UnknownField":[1,2,3]}"""
+        val decoded = json.decodeFromString(JellyfinItem.serializer(), text)
+        assertEquals("m1", decoded.Id)
+        assertEquals("X", decoded.Name)
+    }
+}
diff --git a/lib-core/src/commonTest/kotlin/pw/binom/viewmate/core/media/MirrorClientTest.kt b/lib-core/src/commonTest/kotlin/pw/binom/viewmate/core/media/MirrorClientTest.kt
new file mode 100644
index 0000000..5023655
--- /dev/null
+++ b/lib-core/src/commonTest/kotlin/pw/binom/viewmate/core/media/MirrorClientTest.kt
@@ -0,0 +1,213 @@
+package pw.binom.viewmate.core.media
+
+import io.ktor.client.HttpClient
+import io.ktor.client.engine.mock.MockEngine
+import io.ktor.client.engine.mock.MockRequestHandleScope
+import io.ktor.client.engine.mock.respond
+import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
+import io.ktor.client.request.HttpRequestData
+import io.ktor.client.request.HttpResponseData
+import io.ktor.http.HttpHeaders
+import io.ktor.http.HttpMethod
+import io.ktor.http.HttpStatusCode
+import io.ktor.http.content.TextContent
+import io.ktor.http.headersOf
+import io.ktor.serialization.kotlinx.json.json
+import kotlinx.coroutines.test.runTest
+import kotlinx.serialization.json.Json
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlin.test.assertNotNull
+import kotlin.test.assertNull
+
+class MirrorClientTest {
+
+    private val json = Json { ignoreUnknownKeys = true }
+
+    private fun client(
+        handler: MockRequestHandleScope.(HttpRequestData) -> HttpResponseData,
+    ): HttpClient = HttpClient(MockEngine { request -> handler(request) }) {
+        install(ContentNegotiation) { json(json) }
+    }
+
+    private fun MockRequestHandleScope.jsonResponse(body: String) = respond(
+        content = body,
+        status = HttpStatusCode.OK,
+        headers = headersOf(HttpHeaders.ContentType, "application/json"),
+    )
+
+    @Test
+    fun createMirrorSendsCorrectRequestAndParses201() = runTest {
+        var capturedPath: String? = null
+        var capturedMethod: HttpMethod? = null
+        var capturedApiKey: String? = null
+        var capturedBody: String? = null
+
+        val mirror = MirrorClient(
+            baseUrl = "https://mirror.binom.pw",
+            apiKey = "secret",
+            http = client { request ->
+                capturedPath = request.url.encodedPath
+                capturedMethod = request.method
+                capturedApiKey = request.headers["X-API-Key"]
+                capturedBody = (request.body as TextContent).text
+                respond(
+                    content = """{"id":"m-1","status":"processing"}""",
+                    status = HttpStatusCode.Created,
+                    headers = headersOf(HttpHeaders.ContentType, "application/json"),
+                )
+            },
+        )
+
+        val job = mirror.createMirror(itemId = "item-42")
+
+        assertEquals("/api/mirror", capturedPath)
+        assertEquals(HttpMethod.Post, capturedMethod)
+        assertEquals("secret", capturedApiKey)
+        val sent = Json.decodeFromString<CreateMirrorRequest>(capturedBody!!)
+        assertEquals("item-42", sent.itemId)
+        assertEquals("", sent.sourceUrl)
+        assertEquals("jellyfin", sent.sourceType)
+        assertEquals("m-1", job.id)
+        assertEquals("processing", job.status)
+    }
+
+    @Test
+    fun mirrorByItemReturnsStatusWithFiles() = runTest {
+        var capturedPath: String? = null
+        val mirror = MirrorClient(
+            baseUrl = "https://mirror.binom.pw",
+            apiKey = "secret",
+            http = client { request ->
+                capturedPath = request.url.encodedPath
+                jsonResponse(
+                    """{"itemId":"i1","status":"done",""" +
+                        """"files":{"video":{"key":"v1","url":"https://x/v1.mp4"},""" +
+                        """"audios":[{"index":1,"key":"a1","title":"Русский","language":"ru","url":"https://x/a1.mka"},{"index":2,"key":"a2","url":"https://x/a2.mka"}]}}"""
+                )
+            },
+        )
+
+        val status = mirror.mirrorByItem(itemId = "i1")
+
+        assertEquals("/api/mirror/by-item/i1", capturedPath)
+        assertNotNull(status)
+        assertEquals("i1", status.itemId)
+        assertEquals("done", status.status)
+        assertNotNull(status.files)
+        assertEquals("v1", status.files.video.key)
+        assertEquals(2, status.files.audios.size)
+        assertEquals("Русский", status.files.audios[0].title)
+        assertEquals("ru", status.files.audios[0].language)
+        assertEquals(2, status.files.audios[1].index)
+        assertNull(status.files.audios[1].title)
+    }
+
+    @Test
+    fun mirrorByItemReturnsNullOn404() = runTest {
+        val mirror = MirrorClient(
+            baseUrl = "https://mirror.binom.pw",
+            apiKey = "secret",
+            http = client { respond("", HttpStatusCode.NotFound) },
+        )
+
+        assertNull(mirror.mirrorByItem(itemId = "missing"))
+    }
+
+    @Test
+    fun listParsesJobsAndSendsQueryParams() = runTest {
+        var capturedQueryStatus: String? = null
+        var capturedQueryLimit: String? = null
+        val mirror = MirrorClient(
+            baseUrl = "https://mirror.binom.pw",
+            apiKey = "secret",
+            http = client { request ->
+                capturedQueryStatus = request.url.parameters["status"]
+                capturedQueryLimit = request.url.parameters["limit"]
+                jsonResponse(
+                    """[{"id":"m1","itemId":"i1","status":"done","progress":100},""" +
+                        """{"id":"m2","itemId":"i2","status":"processing","progress":50}]"""
+                )
+            },
+        )
+
+        val jobs = mirror.list(status = "done", limit = 20)
+
+        assertEquals("done", capturedQueryStatus)
+        assertEquals("20", capturedQueryLimit)
+        assertEquals(2, jobs.size)
+        assertEquals("m1", jobs[0].id)
+        assertEquals("i1", jobs[0].itemId)
+        assertEquals("done", jobs[0].status)
+        assertEquals(100, jobs[0].progress)
+        assertEquals(50, jobs[1].progress)
+    }
+
+    @Test
+    fun deleteSendsDeleteRequest() = runTest {
+        var capturedPath: String? = null
+        var capturedMethod: HttpMethod? = null
+        val mirror = MirrorClient(
+            baseUrl = "https://mirror.binom.pw",
+            apiKey = "secret",
+            http = client { request ->
+                capturedPath = request.url.encodedPath
+                capturedMethod = request.method
+                respond("", HttpStatusCode.NoContent)
+            },
+        )
+
+        mirror.delete(id = "m-9")
+
+        assertEquals("/api/mirror/m-9", capturedPath)
+        assertEquals(HttpMethod.Delete, capturedMethod)
+    }
+
+    @Test
+    fun scanParsesResult() = runTest {
+        var capturedPath: String? = null
+        var capturedMethod: HttpMethod? = null
+        val mirror = MirrorClient(
+            baseUrl = "https://mirror.binom.pw",
+            apiKey = "secret",
+            http = client { request ->
+                capturedPath = request.url.encodedPath
+                capturedMethod = request.method
+                jsonResponse("""{"found":10,"created":3,"skipped":7}""")
+            },
+        )
+
+        val result = mirror.scan()
+
+        assertEquals("/api/mirror/scan", capturedPath)
+        assertEquals(HttpMethod.Post, capturedMethod)
+        assertEquals(10, result.found)
+        assertEquals(3, result.created)
+        assertEquals(7, result.skipped)
+    }
+
+    @Test
+    fun mirrorStatusRoundTrip() {
+        val status = MirrorStatus(
+            itemId = "i1",
+            status = "done",
+            files = MirrorFiles(
+                video = MirrorVideo(key = "v1", url = "https://x/v1.mp4"),
+                audios = listOf(MirrorAudio(index = 1, key = "a1", title = "Русский", language = "ru", url = "https://x/a1.mka")),
+            ),
+        )
+        val text = json.encodeToString(MirrorStatus.serializer(), status)
+        val decoded = json.decodeFromString(MirrorStatus.serializer(), text)
+        assertEquals(status, decoded)
+    }
+
+    @Test
+    fun createMirrorRequestRoundTrip() {
+        val request = CreateMirrorRequest(itemId = "abc")
+        val text = json.encodeToString(CreateMirrorRequest.serializer(), request)
+        val decoded = json.decodeFromString(CreateMirrorRequest.serializer(), text)
+        assertEquals("abc", decoded.itemId)
+        assertEquals("", decoded.sourceUrl)
+        assertEquals("jellyfin", decoded.sourceType)
+    }
+}