diff --git a/app/desktop/src/main/kotlin/ru/fromchat/desktop/WindowsWindowBounds.kt b/app/desktop/src/main/kotlin/ru/fromchat/desktop/WindowsWindowBounds.kt
new file mode 100644
index 0000000..0c523d6
--- /dev/null
+++ b/app/desktop/src/main/kotlin/ru/fromchat/desktop/WindowsWindowBounds.kt
@@ -0,0 +1,134 @@
+package ru.fromchat.desktop
+
+import androidx.compose.ui.unit.Density
+import androidx.compose.ui.unit.DpSize
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.WindowPlacement
+import androidx.compose.ui.window.WindowPosition
+import androidx.compose.ui.window.WindowState
+import com.sun.jna.platform.win32.User32
+import com.sun.jna.platform.win32.WinUser
+import java.awt.Rectangle
+import java.awt.Window
+import kotlin.math.abs
+
+internal fun windowsWorkAreaBounds(window: Window): Rectangle? {
+    if (!isWindowsOs()) return null
+    val hwnd = window.windowsHwnd()
+    if (hwnd.pointer == null) return null
+    val monitor = User32.INSTANCE.MonitorFromWindow(hwnd, WinUser.MONITOR_DEFAULTTONEAREST)
+        ?: return null
+    val info = WinUser.MONITORINFO()
+    if (!User32.INSTANCE.GetMonitorInfo(monitor, info).booleanValue()) return null
+    val work = info.rcWork
+    if (work.right <= work.left || work.bottom <= work.top) return null
+    return Rectangle(
+        work.left,
+        work.top,
+        work.right - work.left,
+        work.bottom - work.top,
+    )
+}
+
+/** Keeps a floating window inside the monitor work area (excludes taskbar). */
+internal fun clampFloatingAwtWindowToWorkArea(window: Window): Boolean {
+    if (!isWindowsOs()) return false
+    if (window.isNativeZoomed()) return false
+    val work = windowsWorkAreaBounds(window) ?: return false
+    val current = window.bounds
+    val clamped = clampRectangleToWorkArea(current, work)
+    if (clamped == current) return false
+    window.setBounds(clamped)
+    return true
+}
+
+internal fun applyFloatingGeometry(
+    window: Window,
+    windowState: WindowState,
+    geometry: DesktopFloatingGeometry,
+    density: Density,
+) {
+    applyFloatingGeometry(window, windowState, geometry.size, geometry.position, density)
+}
+
+internal fun applyFloatingGeometry(
+    window: Window,
+    windowState: WindowState,
+    size: DpSize,
+    position: WindowPosition,
+    density: Density,
+) {
+    with(density) {
+        val widthPx = size.width.roundToPx().coerceAtLeast(1)
+        val heightPx = size.height.roundToPx().coerceAtLeast(1)
+        val (x, y) = when (position) {
+            is WindowPosition.Absolute -> {
+                position.x.roundToPx() to position.y.roundToPx()
+            }
+            else -> window.location.x to window.location.y
+        }
+        window.setBounds(x, y, widthPx, heightPx)
+        windowState.size = size
+        if (position is WindowPosition.Absolute) {
+            windowState.position = position
+        }
+    }
+}
+
+internal fun applySavedFloatingGeometry(
+    window: Window,
+    windowState: WindowState,
+    density: Density,
+) {
+    applyFloatingGeometry(window, windowState, DesktopWindowPrefs.loadFloatingGeometry(), density)
+}
+
+internal fun captureFloatingGeometryToPrefs(
+    window: Window,
+    windowState: WindowState,
+    density: Density,
+) {
+    if (windowState.placement != WindowPlacement.Floating || window.isNativeZoomed()) return
+    val bounds = window.bounds
+    with(density) {
+        DesktopWindowPrefs.saveFloatingGeometry(
+            size = DpSize(bounds.width.toDp(), bounds.height.toDp()),
+            position = WindowPosition(bounds.x.toDp(), bounds.y.toDp()),
+        )
+    }
+}
+
+internal fun syncComposeWindowStateFromAwt(
+    window: Window,
+    windowState: WindowState,
+    density: Density,
+) {
+    if (windowState.placement != WindowPlacement.Floating) return
+    val bounds = window.bounds
+    with(density) {
+        windowState.size = DpSize(bounds.width.toDp(), bounds.height.toDp())
+        windowState.position = WindowPosition(bounds.x.toDp(), bounds.y.toDp())
+    }
+}
+
+internal fun floatingWindowCoversWorkArea(window: Window, tolerancePx: Int = 8): Boolean {
+    val work = windowsWorkAreaBounds(window) ?: return false
+    val bounds = window.bounds
+    return abs(bounds.x - work.x) <= tolerancePx &&
+        abs(bounds.y - work.y) <= tolerancePx &&
+        abs(bounds.width - work.width) <= tolerancePx &&
+        abs(bounds.height - work.height) <= tolerancePx
+}
+
+private fun clampRectangleToWorkArea(bounds: Rectangle, work: Rectangle): Rectangle {
+    val width = bounds.width.coerceAtMost(work.width).coerceAtLeast(320)
+    val height = bounds.height.coerceAtMost(work.height).coerceAtLeast(240)
+    val maxX = (work.x + work.width - width).coerceAtLeast(work.x)
+    val maxY = (work.y + work.height - height).coerceAtLeast(work.y)
+    return Rectangle(
+        bounds.x.coerceIn(work.x, maxX),
+        bounds.y.coerceIn(work.y, maxY),
+        width,
+        height,
+    )
+}
diff --git a/app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/settings/DeviceSessionDisplay.kt b/app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/settings/DeviceSessionDisplay.kt
new file mode 100644
index 0000000..123eb96
--- /dev/null
+++ b/app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/settings/DeviceSessionDisplay.kt
@@ -0,0 +1,244 @@
+package ru.fromchat.ui.main.settings
+
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.rounded.Android
+import androidx.compose.material.icons.rounded.Language
+import androidx.compose.material.icons.rounded.LaptopMac
+import androidx.compose.material.icons.rounded.PhoneAndroid
+import androidx.compose.ui.graphics.vector.ImageVector
+import org.jetbrains.compose.resources.DrawableResource
+import ru.fromchat.Res
+import ru.fromchat.api.schema.user.devices.DeviceSessionInfo
+import ru.fromchat.os_linux
+import ru.fromchat.os_macos
+import ru.fromchat.os_windows
+
+private val PLACEHOLDER_VALUES = setOf("other", "unknown", "null", "n/a", "na", "-")
+
+internal fun String?.sanitizeDeviceField(): String? {
+    val trimmed = this?.trim() ?: return null
+    if (trimmed.isEmpty()) return null
+    if (trimmed.lowercase() in PLACEHOLDER_VALUES) return null
+    return trimmed
+}
+
+internal fun DeviceSessionInfo.isDesktopSession(): Boolean {
+    val type = deviceType?.lowercase().orEmpty()
+    if (type in setOf("mobile", "tablet", "phone")) return false
+    if (type == "desktop") return true
+    val os = resolveDeviceOsName(this)?.lowercase().orEmpty()
+    return os in setOf("windows", "macos", "linux") && !shouldShowBrowser()
+}
+
+internal fun DeviceSessionInfo.isMobileSession(): Boolean {
+    val type = deviceType?.lowercase().orEmpty()
+    return type in setOf("mobile", "tablet", "phone")
+}
+
+internal fun DeviceSessionInfo.shouldShowBrowser(): Boolean {
+    val browser = effectiveBrowserName() ?: return false
+    val type = deviceType?.lowercase().orEmpty()
+    if (type in setOf("desktop", "mobile", "tablet", "phone")) return false
+    if (isDesktopSession() || isMobileSession()) return false
+    if (type in setOf("browser", "web")) return true
+    return isMeaningfulBrowserName(browser)
+}
+
+internal fun DeviceSessionInfo.effectiveBrowserName(): String? =
+    browserName.sanitizeDeviceField()?.takeUnless { isPlaceholderBrowser(it) }
+
+internal fun DeviceSessionInfo.effectiveBrowserVersion(): String? =
+    browserVersion.sanitizeDeviceField()
+
+internal fun DeviceSessionInfo.effectiveBrowserLine(): String? {
+    val name = effectiveBrowserName() ?: return null
+    val version = effectiveBrowserVersion()
+    return if (version == null) name else "$name $version"
+}
+
+internal fun normalizeDeviceSession(d: DeviceSessionInfo): DeviceSessionInfo {
+    val withOs = d.copy(
+        deviceName = d.deviceName.sanitizeDeviceField(),
+        deviceType = d.deviceType?.trim()?.takeIf { it.isNotEmpty() },
+        osName = resolveDeviceOsName(d),
+        osVersion = d.osVersion.sanitizeDeviceField(),
+        brand = d.brand.sanitizeDeviceField(),
+        model = d.model.sanitizeDeviceField()?.takeUnless { isHardwarePlaceholder(it) },
+    )
+    return withOs.copy(
+        browserName = if (withOs.shouldShowBrowser()) withOs.effectiveBrowserName() else null,
+        browserVersion = if (withOs.shouldShowBrowser()) withOs.effectiveBrowserVersion() else null,
+    )
+}
+
+internal fun deviceSessionForCurrentDevice(d: DeviceSessionInfo): DeviceSessionInfo {
+    if (!d.current) return normalizeDeviceSession(d)
+    val current = com.pr0gramm3r101.utils.currentDeviceInfo()
+    return normalizeDeviceSession(
+        d.copy(
+            osName = current.osName.sanitizeDeviceField() ?: d.osName,
+            osVersion = current.osVersion.sanitizeDeviceField() ?: d.osVersion,
+            deviceType = current.deviceType.sanitizeDeviceField() ?: d.deviceType,
+            deviceName = current.deviceName.sanitizeDeviceField()
+                ?: d.deviceName.sanitizeDeviceField(),
+            brand = current.brand.sanitizeDeviceField() ?: d.brand.sanitizeDeviceField(),
+            model = current.model.sanitizeDeviceField() ?: d.model.sanitizeDeviceField(),
+            browserName = null,
+            browserVersion = null,
+        ),
+    )
+}
+
+internal fun enrichDevicesList(list: List<DeviceSessionInfo>): List<DeviceSessionInfo> =
+    list.map { deviceSessionForCurrentDevice(it) }
+
+internal fun DeviceSessionInfo.isAppleSession(): Boolean {
+    val os = resolveDeviceOsName(this)?.lowercase().orEmpty()
+    return os == "macos" || os == "ios"
+}
+
+internal fun deviceSessionHeadline(d: DeviceSessionInfo, unknownLabel: String): String {
+    if (d.isAppleSession()) {
+        return d.model?.takeUnless { isHardwarePlaceholder(it) }
+            ?: d.deviceName
+            ?: listOfNotNull(d.brand, d.model?.takeUnless { isHardwarePlaceholder(it) })
+                .filter { it.isNotBlank() }
+                .joinToString(" ")
+                .takeIf { it.isNotBlank() }
+            ?: resolveDeviceOsName(d)
+            ?: unknownLabel
+    }
+    if (d.isDesktopSession()) {
+        return d.deviceName
+            ?: resolveDeviceOsName(d)
+            ?: unknownLabel
+    }
+    d.deviceName?.let { return it }
+    val brandModel = listOfNotNull(d.brand, d.model?.takeUnless { isHardwarePlaceholder(it) })
+        .filter { it.isNotBlank() }
+        .joinToString(" ")
+    if (brandModel.isNotBlank()) return brandModel
+    val browser = d.effectiveBrowserName()
+    val os = resolveDeviceOsName(d)
+    if (browser != null && os != null) return "$browser on $os"
+    if (browser != null) return browser
+    return os ?: d.deviceType?.replaceFirstChar { it.uppercase() } ?: unknownLabel
+}
+
+internal fun deviceSessionOsLine(d: DeviceSessionInfo): String? {
+    val os = resolveDeviceOsName(d) ?: return null
+    val version = d.osVersion.sanitizeDeviceField()
+    return if (version == null) os else "$os $version"
+}
+
+internal fun deviceSessionIcon(d: DeviceSessionInfo): ImageVector {
+    if (d.shouldShowBrowser()) return Icons.Rounded.Language
+    return when (resolveDeviceOsName(d)?.lowercase()) {
+        "android" -> Icons.Rounded.Android
+        "ios" -> Icons.Rounded.PhoneAndroid
+        "windows", "macos", "linux" -> Icons.Rounded.LaptopMac
+        else -> when {
+            d.isMobileSession() -> Icons.Rounded.PhoneAndroid
+            d.isDesktopSession() -> Icons.Rounded.LaptopMac
+            else -> Icons.Rounded.Language
+        }
+    }
+}
+
+internal fun deviceSessionLogoResource(d: DeviceSessionInfo): DrawableResource? =
+    when (resolveDeviceOsName(d)?.lowercase()) {
+        "windows" -> Res.drawable.os_windows
+        "macos" -> Res.drawable.os_macos
+        "linux" -> Res.drawable.os_linux
+        else -> null
+    }
+
+internal fun resolveDeviceOsName(d: DeviceSessionInfo): String? {
+    val direct = normalizeDeviceOsName(d.osName)
+    if (direct != null) return direct
+    return normalizeDeviceOsName(inferDeviceOsFromSession(d))
+}
+
+private fun normalizeDeviceOsName(raw: String?): String? {
+    val trimmed = raw.sanitizeDeviceField() ?: return null
+    val lower = trimmed.lowercase()
+    return when {
+        "windows" in lower || lower == "win" || lower == "winnt" -> "Windows"
+        "mac" in lower || "os x" in lower || "darwin" in lower -> "macOS"
+        "linux" in lower -> "Linux"
+        "android" in lower -> "Android"
+        "ios" in lower || "iphone" in lower || "ipad" in lower -> "iOS"
+        else -> trimmed
+    }
+}
+
+private fun inferDeviceOsFromSession(d: DeviceSessionInfo): String? {
+    val type = d.deviceType?.lowercase().orEmpty()
+    val name = d.deviceName?.lowercase().orEmpty()
+    val brand = d.brand?.lowercase().orEmpty()
+    val model = d.model?.lowercase().orEmpty()
+    val browser = d.browserName?.lowercase().orEmpty()
+    val isMobile = type in setOf("mobile", "tablet", "phone")
+    return when {
+        isMobile && (
+            brand.contains("apple") ||
+                name.contains("iphone") ||
+                name.contains("ipad") ||
+                model.contains("iphone") ||
+                model.contains("ipad") ||
+                browser.contains("ios")
+        ) -> "iOS"
+        isMobile && (
+            brand.contains("android") ||
+                name.contains("android") ||
+                model.contains("android") ||
+                browser.contains("android")
+        ) -> "Android"
+        isMobile && isAndroidBrand(brand) -> "Android"
+        "android" in browser || "android" in brand || "android" in model -> "Android"
+        brand.contains("apple") ||
+            model.contains("iphone") ||
+            model.contains("ipad") ||
+            browser.contains("ios") ||
+            browser.contains("iphone") ||
+            browser.contains("ipad") -> "iOS"
+        type == "desktop" || name.contains("windows") || model.contains("windows") -> "Windows"
+        name.contains("mac") || model.contains("mac") -> "macOS"
+        else -> null
+    }
+}
+
+private fun isAndroidBrand(brand: String): Boolean =
+    brand.contains("samsung") ||
+        brand.contains("xiaomi") ||
+        brand.contains("huawei") ||
+        brand.contains("oppo") ||
+        brand.contains("vivo") ||
+        brand.contains("pixel") ||
+        brand.contains("oneplus") ||
+        brand.contains("google") ||
+        brand.contains("lg") ||
+        brand.contains("motorola") ||
+        brand.contains("honor") ||
+        brand.contains("realme")
+
+private fun isPlaceholderBrowser(name: String): Boolean {
+    val lower = name.lowercase()
+    return lower == "other" || lower == "unknown"
+}
+
+private fun isMeaningfulBrowserName(name: String): Boolean {
+    val lower = name.lowercase()
+    return lower.contains("chrome") ||
+        lower.contains("firefox") ||
+        lower.contains("safari") ||
+        lower.contains("edge") ||
+        lower.contains("opera") ||
+        lower.contains("brave") ||
+        lower.contains("vivaldi")
+}
+
+private fun isHardwarePlaceholder(value: String): Boolean {
+    val lower = value.lowercase()
+    return lower in setOf("amd64", "x86_64", "aarch64", "arm64", "i386", "x86", "device", "desktop")
+}