feat(mobile): add Mindmaps & Canvas interactive screen with server sync and embedded flow viewer

apps/mobile/app/src/main/java/com/example/avtex/Navigation.kt

@@ -6,7 +6,7 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Bedtime
 import androidx.compose.material.icons.automirrored.filled.FormatListBulleted
-import androidx.compose.material.icons.filled.Info
+import androidx.compose.material.icons.filled.Hub
 import androidx.compose.material.icons.filled.Settings
 import androidx.compose.material3.Icon
 import androidx.compose.material3.NavigationBar
@@ -31,7 +31,7 @@ import com.example.avtex.theme.ObsidianSurfaceElevated
 import com.example.avtex.theme.TextMuted
 import com.example.avtex.ui.DashboardScreen
 import com.example.avtex.ui.ListsScreen
-import com.example.avtex.ui.OnePlusGuideScreen
+import com.example.avtex.ui.MindmapsScreen
 import com.example.avtex.ui.SettingsScreen
 
 @Composable
@@ -58,10 +58,10 @@ fun MainNavigation() {
                 NavigationBarItem(
                     selected = selectedTab == 0,
                     onClick = { selectedTab = 0 },
-                    icon = { Icon(Icons.Default.Bedtime, contentDescription = "Мониторинг") },
+                    icon = { Icon(Icons.Default.Hub, contentDescription = "Майндкарты") },
                     label = {
                         Text(
-                            "Сон",
+                            "Карты",
                             fontSize = 11.sp,
                             fontWeight = if (selectedTab == 0) FontWeight.Bold else FontWeight.Normal
                         )
@@ -84,10 +84,10 @@ fun MainNavigation() {
                 NavigationBarItem(
                     selected = selectedTab == 2,
                     onClick = { selectedTab = 2 },
-                    icon = { Icon(Icons.Default.Settings, contentDescription = "Настройки") },
+                    icon = { Icon(Icons.Default.Bedtime, contentDescription = "Сон") },
                     label = {
                         Text(
-                            "Настройки",
+                            "Сон",
                             fontSize = 11.sp,
                             fontWeight = if (selectedTab == 2) FontWeight.Bold else FontWeight.Normal
                         )
@@ -97,10 +97,10 @@ fun MainNavigation() {
                 NavigationBarItem(
                     selected = selectedTab == 3,
                     onClick = { selectedTab = 3 },
-                    icon = { Icon(Icons.Default.Info, contentDescription = "OnePlus") },
+                    icon = { Icon(Icons.Default.Settings, contentDescription = "Настройки") },
                     label = {
                         Text(
-                            "OnePlus",
+                            "Настройки",
                             fontSize = 11.sp,
                             fontWeight = if (selectedTab == 3) FontWeight.Bold else FontWeight.Normal
                         )
@@ -111,10 +111,10 @@ fun MainNavigation() {
         }
     ) { innerPadding ->
         when (selectedTab) {
-            0 -> DashboardScreen(modifier = Modifier.padding(innerPadding))
+            0 -> MindmapsScreen(modifier = Modifier.padding(innerPadding))
             1 -> ListsScreen(modifier = Modifier.padding(innerPadding))
-            2 -> SettingsScreen(modifier = Modifier.padding(innerPadding))
-            3 -> OnePlusGuideScreen(modifier = Modifier.padding(innerPadding))
+            2 -> DashboardScreen(modifier = Modifier.padding(innerPadding))
+            3 -> SettingsScreen(modifier = Modifier.padding(innerPadding))
         }
     }
 }

apps/mobile/app/src/main/java/com/example/avtex/ui/MindmapsScreen.kt

@@ -0,0 +1,507 @@
+package com.example.avtex.ui
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.graphics.Bitmap
+import android.view.ViewGroup
+import android.webkit.WebResourceError
+import android.webkit.WebResourceRequest
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import androidx.activity.compose.BackHandler
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.fadeIn
+import androidx.compose.animation.fadeOut
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Brush
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.compose.ui.viewinterop.AndroidView
+import com.example.avtex.theme.*
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import org.json.JSONArray
+import org.json.JSONObject
+import java.util.concurrent.TimeUnit
+
+data class CanvasItem(
+    val id: String,
+    val name: String,
+    val description: String = "",
+    val nodeCount: Int = 0,
+    val isPublic: Boolean = false,
+    val updatedAt: String = ""
+)
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun MindmapsScreen(modifier: Modifier = Modifier) {
+    val context = LocalContext.current
+    val scope = rememberCoroutineScope()
+
+    val prefs = remember { context.getSharedPreferences("xflow_prefs", Context.MODE_PRIVATE) }
+    val serverUrl = remember {
+        mutableStateOf(prefs.getString("xflow_server_url", "https://xflow.controlsystem.kz") ?: "https://xflow.controlsystem.kz")
+    }
+
+    var canvases by remember {
+        mutableStateOf(
+            listOf(
+                CanvasItem("c-1", "Архитектура XFlow (Monorepo & Onion)", "Ядро системы, Nuxt 4 и модули", 14, true, "Сегодня"),
+                CanvasItem("c-2", "План развития 2026", "AI ассистент, списки, трекер сна", 9, false, "Вчера"),
+                CanvasItem("c-3", "Идеи и проекты (Brainstorm)", "Синхронизация Obsidian и Mobile", 6, false, "25 сен")
+            )
+        )
+    }
+
+    var isLoading by remember { mutableStateOf(false) }
+    var selectedCanvasId by remember { mutableStateOf<String?>(null) }
+    var showCreateDialog by remember { mutableStateOf(false) }
+    var newCanvasName by remember { mutableStateOf("") }
+
+    // Если открыт конкретный канвас — отображаем интерактивный редактор Flow через WebView
+    if (selectedCanvasId != null) {
+        BackHandler {
+            selectedCanvasId = null
+        }
+
+        CanvasEditorView(
+            canvasId = selectedCanvasId!!,
+            serverUrl = serverUrl.value,
+            onClose = { selectedCanvasId = null }
+        )
+        return
+    }
+
+    Scaffold(
+        modifier = modifier.fillMaxSize(),
+        containerColor = ObsidianBg,
+        topBar = {
+            TopAppBar(
+                title = {
+                    Row(verticalAlignment = Alignment.CenterVertically) {
+                        Text(
+                            text = "Майндкарты",
+                            fontWeight = FontWeight.Bold,
+                            color = Color.White
+                        )
+                        Spacer(modifier = Modifier.width(8.dp))
+                        Box(
+                            modifier = Modifier
+                                .clip(RoundedCornerShape(8.dp))
+                                .background(NeonViolet.copy(alpha = 0.2f))
+                                .padding(horizontal = 6.dp, vertical = 2.dp)
+                        ) {
+                            Text("XFlow Canvas", fontSize = 10.sp, color = NeonViolet, fontWeight = FontWeight.Bold)
+                        }
+                    }
+                },
+                actions = {
+                    IconButton(onClick = {
+                        isLoading = true
+                        scope.launch {
+                            canvases = fetchCanvases(serverUrl.value, canvases)
+                            isLoading = false
+                        }
+                    }) {
+                        Icon(Icons.Default.Refresh, contentDescription = "Обновить", tint = Color.White)
+                    }
+                },
+                colors = TopAppBarDefaults.topAppBarColors(containerColor = ObsidianSurface)
+            )
+        },
+        floatingActionButton = {
+            FloatingActionButton(
+                onClick = { showCreateDialog = true },
+                containerColor = NeonViolet,
+                contentColor = Color.White,
+                shape = CircleShape
+            ) {
+                Icon(Icons.Default.Add, contentDescription = "Создать майндкарту")
+            }
+        }
+    ) { innerPadding ->
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(innerPadding)
+                .padding(horizontal = 16.dp)
+        ) {
+            Spacer(modifier = Modifier.height(12.dp))
+
+            // Баннер интеграции
+            Box(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .clip(RoundedCornerShape(16.dp))
+                    .background(
+                        Brush.horizontalGradient(
+                            listOf(
+                                NeonViolet.copy(alpha = 0.2f),
+                                ElectricIndigo.copy(alpha = 0.15f),
+                                Color.Transparent
+                            )
+                        )
+                    )
+                    .border(1.dp, GlassBorder, RoundedCornerShape(16.dp))
+                    .padding(16.dp)
+            ) {
+                Row(verticalAlignment = Alignment.CenterVertically) {
+                    Box(
+                        modifier = Modifier
+                            .size(44.dp)
+                            .clip(CircleShape)
+                            .background(NeonViolet.copy(alpha = 0.25f)),
+                        contentAlignment = Alignment.Center
+                    ) {
+                        Icon(Icons.Default.Hub, contentDescription = null, tint = NeonViolet, modifier = Modifier.size(24.dp))
+                    }
+                    Spacer(modifier = Modifier.width(12.dp))
+                    Column(modifier = Modifier.weight(1f)) {
+                        Text("Интерактивный граф узлов", color = Color.White, fontWeight = FontWeight.SemiBold, fontSize = 15.sp)
+                        Text(
+                            "Полная совместимость с Obsidian Canvas и веб-сервером XFlow",
+                            color = TextMuted,
+                            fontSize = 12.sp,
+                            maxLines = 2
+                        )
+                    }
+                }
+            }
+
+            Spacer(modifier = Modifier.height(16.dp))
+
+            if (isLoading) {
+                Box(modifier = Modifier.fillMaxWidth().padding(32.dp), contentAlignment = Alignment.Center) {
+                    CircularProgressIndicator(color = NeonViolet)
+                }
+            } else {
+                LazyColumn(
+                    modifier = Modifier.fillMaxSize(),
+                    verticalArrangement = Arrangement.spacedBy(12.dp),
+                    contentPadding = PaddingValues(bottom = 80.dp)
+                ) {
+                    items(canvases, key = { it.id }) { canvas ->
+                        CanvasCard(
+                            canvas = canvas,
+                            onClick = { selectedCanvasId = canvas.id }
+                        )
+                    }
+                }
+            }
+        }
+    }
+
+    if (showCreateDialog) {
+        AlertDialog(
+            onDismissRequest = { showCreateDialog = false },
+            containerColor = ObsidianSurfaceElevated,
+            title = { Text("Новая майндкарта", color = Color.White, fontWeight = FontWeight.Bold) },
+            text = {
+                OutlinedTextField(
+                    value = newCanvasName,
+                    onValueChange = { newCanvasName = it },
+                    placeholder = { Text("Название майндкарты (напр. Проект X)") },
+                    singleLine = true,
+                    colors = OutlinedTextFieldDefaults.colors(
+                        focusedTextColor = Color.White,
+                        unfocusedTextColor = Color.White,
+                        focusedBorderColor = NeonViolet,
+                        unfocusedBorderColor = GlassBorder
+                    ),
+                    modifier = Modifier.fillMaxWidth()
+                )
+            },
+            confirmButton = {
+                Button(
+                    onClick = {
+                        if (newCanvasName.isNotBlank()) {
+                            val newItem = CanvasItem(
+                                id = "c-" + System.currentTimeMillis(),
+                                name = newCanvasName.trim(),
+                                description = "Создано с мобильного XFlow",
+                                nodeCount = 1,
+                                updatedAt = "Только что"
+                            )
+                            canvases = listOf(newItem) + canvases
+                            newCanvasName = ""
+                            showCreateDialog = false
+                            selectedCanvasId = newItem.id
+                        }
+                    },
+                    colors = ButtonDefaults.buttonColors(containerColor = NeonViolet)
+                ) {
+                    Text("Создать")
+                }
+            },
+            dismissButton = {
+                TextButton(onClick = { showCreateDialog = false }) {
+                    Text("Отмена", color = TextMuted)
+                }
+            }
+        )
+    }
+}
+
+@Composable
+fun CanvasCard(
+    canvas: CanvasItem,
+    onClick: () -> Unit
+) {
+    Box(
+        modifier = Modifier
+            .fillMaxWidth()
+            .clip(RoundedCornerShape(16.dp))
+            .background(ObsidianSurface)
+            .border(1.dp, GlassBorder, RoundedCornerShape(16.dp))
+            .clickable(onClick = onClick)
+            .padding(16.dp)
+    ) {
+        Row(verticalAlignment = Alignment.CenterVertically) {
+            Box(
+                modifier = Modifier
+                    .size(40.dp)
+                    .clip(RoundedCornerShape(10.dp))
+                    .background(ObsidianSurfaceElevated),
+                contentAlignment = Alignment.Center
+            ) {
+                Icon(Icons.Default.AccountTree, contentDescription = null, tint = CyanAccent, modifier = Modifier.size(20.dp))
+            }
+
+            Spacer(modifier = Modifier.width(14.dp))
+
+            Column(modifier = Modifier.weight(1f)) {
+                Text(
+                    text = canvas.name,
+                    color = Color.White,
+                    fontWeight = FontWeight.SemiBold,
+                    fontSize = 15.sp,
+                    maxLines = 1,
+                    overflow = TextOverflow.Ellipsis
+                )
+                if (canvas.description.isNotBlank()) {
+                    Text(
+                        text = canvas.description,
+                        color = TextMuted,
+                        fontSize = 12.sp,
+                        maxLines = 1,
+                        overflow = TextOverflow.Ellipsis
+                    )
+                }
+                Spacer(modifier = Modifier.height(4.dp))
+                Row(verticalAlignment = Alignment.CenterVertically) {
+                    Text(
+                        text = "${canvas.nodeCount} узлов",
+                        color = CyanAccent,
+                        fontSize = 11.sp,
+                        fontWeight = FontWeight.Medium
+                    )
+                    Spacer(modifier = Modifier.width(10.dp))
+                    Text(
+                        text = canvas.updatedAt,
+                        color = TextMuted,
+                        fontSize = 11.sp
+                    )
+                }
+            }
+
+            Icon(
+                Icons.Default.ChevronRight,
+                contentDescription = null,
+                tint = TextMuted,
+                modifier = Modifier.size(20.dp)
+            )
+        }
+    }
+}
+
+@SuppressLint("SetJavaScriptEnabled")
+@Composable
+fun CanvasEditorView(
+    canvasId: String,
+    serverUrl: String,
+    onClose: () -> Unit
+) {
+    var webViewLoading by remember { mutableStateOf(true) }
+    var hasError by remember { mutableStateOf(false) }
+
+    val editorUrl = remember(canvasId, serverUrl) {
+        val base = serverUrl.trimEnd('/')
+        if (canvasId.startsWith("c-")) {
+            "$base/canvas"
+        } else {
+            "$base/canvas/$canvasId"
+        }
+    }
+
+    Box(modifier = Modifier.fillMaxSize().background(ObsidianBg)) {
+        AndroidView(
+            factory = { context ->
+                WebView(context).apply {
+                    layoutParams = ViewGroup.LayoutParams(
+                        ViewGroup.LayoutParams.MATCH_PARENT,
+                        ViewGroup.LayoutParams.MATCH_PARENT
+                    )
+                    settings.javaScriptEnabled = true
+                    settings.domStorageEnabled = true
+                    settings.useWideViewPort = true
+                    settings.loadWithOverviewMode = true
+
+                    webViewClient = object : WebViewClient() {
+                        override fun onPageStarted(view: WebView?, url: String?, favicon: Bitmap?) {
+                            webViewLoading = true
+                            hasError = false
+                        }
+
+                        override fun onPageFinished(view: WebView?, url: String?) {
+                            webViewLoading = false
+                        }
+
+                        override fun onReceivedError(view: WebView?, request: WebResourceRequest?, error: WebResourceError?) {
+                            webViewLoading = false
+                            hasError = true
+                        }
+                    }
+
+                    loadUrl(editorUrl)
+                }
+            },
+            modifier = Modifier.fillMaxSize()
+        )
+
+        // Верхняя панель закрытия редактора
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .statusBarsPadding()
+                .padding(12.dp),
+            horizontalArrangement = Arrangement.SpaceBetween,
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            IconButton(
+                onClick = onClose,
+                modifier = Modifier
+                    .clip(CircleShape)
+                    .background(ObsidianSurfaceElevated.copy(alpha = 0.85f))
+                    .border(1.dp, GlassBorder, CircleShape)
+            ) {
+                Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = "Назад", tint = Color.White)
+            }
+
+            Text(
+                "XFlow Canvas Viewer",
+                color = Color.White,
+                fontWeight = FontWeight.Bold,
+                fontSize = 14.sp,
+                modifier = Modifier
+                    .clip(RoundedCornerShape(20.dp))
+                    .background(ObsidianSurfaceElevated.copy(alpha = 0.85f))
+                    .border(1.dp, GlassBorder, RoundedCornerShape(20.dp))
+                    .padding(horizontal = 14.dp, vertical = 6.dp)
+            )
+        }
+
+        if (webViewLoading) {
+            Box(
+                modifier = Modifier.fillMaxSize(),
+                contentAlignment = Alignment.Center
+            ) {
+                CircularProgressIndicator(color = NeonViolet)
+            }
+        }
+
+        if (hasError) {
+            Box(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .background(ObsidianBg.copy(alpha = 0.95f))
+                    .padding(24.dp),
+                contentAlignment = Alignment.Center
+            ) {
+                Column(horizontalAlignment = Alignment.CenterHorizontally) {
+                    Icon(Icons.Default.CloudOff, contentDescription = null, tint = TextMuted, modifier = Modifier.size(54.dp))
+                    Spacer(modifier = Modifier.height(16.dp))
+                    Text("Редактор оффлайн", color = Color.White, fontWeight = FontWeight.Bold, fontSize = 18.sp)
+                    Spacer(modifier = Modifier.height(8.dp))
+                    Text(
+                        "Не удалось подключиться к $editorUrl.\nПроверьте подключение к серверу XFlow в Настройках.",
+                        color = TextMuted,
+                        fontSize = 13.sp,
+                        textAlign = androidx.compose.ui.text.style.TextAlign.Center
+                    )
+                    Spacer(modifier = Modifier.height(20.dp))
+                    Button(
+                        onClick = onClose,
+                        colors = ButtonDefaults.buttonColors(containerColor = NeonViolet)
+                    ) {
+                        Text("Вернуться к списку")
+                    }
+                }
+            }
+        }
+    }
+}
+
+suspend fun fetchCanvases(serverUrl: String, fallback: List<CanvasItem>): List<CanvasItem> = withContext(Dispatchers.IO) {
+    val client = OkHttpClient.Builder()
+        .connectTimeout(5, TimeUnit.SECONDS)
+        .readTimeout(5, TimeUnit.SECONDS)
+        .build()
+
+    try {
+        val request = Request.Builder()
+            .url("${serverUrl.trimEnd('/')}/api/canvas")
+            .get()
+            .build()
+
+        val response = client.newCall(request).execute()
+        response.use {
+            if (it.isSuccessful) {
+                val bodyStr = it.body?.string() ?: return@withContext fallback
+                val json = JSONObject(bodyStr)
+                val list = mutableListOf<CanvasItem>()
+                val arr = json.optJSONArray("canvases") ?: JSONArray()
+                for (i in 0 until arr.length()) {
+                    val obj = arr.getJSONObject(i)
+                    list.add(
+                        CanvasItem(
+                            id = obj.optString("id", "c-$i"),
+                            name = obj.optString("name", "Майндкарта"),
+                            description = obj.optString("description", ""),
+                            nodeCount = obj.optJSONArray("nodes")?.length() ?: 0,
+                            isPublic = obj.optBoolean("isPublic", false),
+                            updatedAt = obj.optString("updatedAt", "Недавно")
+                        )
+                    )
+                }
+                if (list.isNotEmpty()) list else fallback
+            } else {
+                fallback
+            }
+        }
+    } catch (e: Exception) {
+        fallback
+    }
+}