feat(ui): add HistoryScreen and HistoryViewModel

app/src/main/java/com/radiola/ui/history/HistoryScreen.kt

@@ -0,0 +1,63 @@
+package com.radiola.ui.history
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import com.radiola.ui.components.EmptyState
+import com.radiola.ui.components.SearchBar
+import com.radiola.ui.components.TrackListItem
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun HistoryScreen(
+    modifier: Modifier = Modifier,
+    viewModel: HistoryViewModel = hiltViewModel()
+) {
+    val history by viewModel.history.collectAsState()
+    val searchQuery by viewModel.searchQuery.collectAsState()
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = { Text("История") },
+                colors = TopAppBarDefaults.topAppBarColors(
+                    containerColor = MaterialTheme.colorScheme.background
+                )
+            )
+        }
+    ) { padding ->
+        Column(
+            modifier = modifier
+                .fillMaxSize()
+                .padding(padding)
+        ) {
+            SearchBar(
+                query = searchQuery,
+                onQueryChange = viewModel::onSearchQueryChange,
+                placeholder = "Поиск в истории...",
+                modifier = Modifier.padding(16.dp)
+            )
+            if (history.isEmpty()) {
+                EmptyState(message = "История пуста", modifier = Modifier.fillMaxSize())
+            } else {
+                LazyColumn(
+                    modifier = Modifier.fillMaxSize(),
+                    contentPadding = PaddingValues(vertical = 8.dp)
+                ) {
+                    items(history) { track ->
+                        TrackListItem(
+                            track = track,
+                            onClick = { /* TODO: open deeplink bottom sheet */ }
+                        )
+                        Divider(color = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.05f))
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/radiola/ui/history/HistoryViewModel.kt

@@ -0,0 +1,39 @@
+package com.radiola.ui.history
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.radiola.domain.model.Track
+import com.radiola.domain.repository.TrackHistoryRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@HiltViewModel
+class HistoryViewModel @Inject constructor(
+    private val trackHistoryRepository: TrackHistoryRepository
+) : ViewModel() {
+
+    private val _searchQuery = MutableStateFlow("")
+    val searchQuery: StateFlow<String> = _searchQuery.asStateFlow()
+
+    val history: StateFlow<List<Track>> = combine(
+        trackHistoryRepository.getHistory(),
+        _searchQuery
+    ) { tracks, query ->
+        if (query.isBlank()) tracks else tracks.filter {
+            it.artist.contains(query, ignoreCase = true) ||
+            it.song.contains(query, ignoreCase = true)
+        }
+    }.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), emptyList())
+
+    fun onSearchQueryChange(query: String) {
+        _searchQuery.value = query
+    }
+
+    fun removeTrack(track: Track) {
+        viewModelScope.launch {
+            trackHistoryRepository.removeTrack(track)
+        }
+    }
+}