fix: correct log response key to 'lines' and convert refresh text to icon button in LogsScreen

app/src/main/java/com/m57/hermescontrol/data/model/LogResponse.kt

@@ -1,5 +1,6 @@
 package com.m57.hermescontrol.data.model
 
 data class LogResponse(
-    val logs: List<String>,
+    val lines: List<String>? = null,
+    val logs: List<String>? = null,
 )

app/src/main/java/com/m57/hermescontrol/ui/logs/LogsScreen.kt

@@ -13,6 +13,7 @@ import androidx.compose.foundation.lazy.items
 import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Menu
+import androidx.compose.material.icons.filled.Refresh
 import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
@@ -79,7 +80,10 @@ fun LogsScreen(
                 title = { Text("System Logs") },
                 actions = {
                     IconButton(onClick = { viewModel.loadLogs() }) {
-                        Text("Refresh", style = MaterialTheme.typography.bodyMedium)
+                        Icon(
+                            imageVector = Icons.Filled.Refresh,
+                            contentDescription = "Refresh",
+                        )
                     }
                 },
             )

app/src/main/java/com/m57/hermescontrol/ui/logs/LogsViewModel.kt

@@ -31,7 +31,9 @@ class LogsViewModel : ViewModel() {
                         ApiClient.hermesApi.getLogs()
                     }
                 if (response.isSuccessful) {
-                    _uiState.update { it.copy(isLoading = false, logs = response.body()?.logs.orEmpty()) }
+                    val body = response.body()
+                    val logsList = body?.lines ?: body?.logs ?: emptyList()
+                    _uiState.update { it.copy(isLoading = false, logs = logsList) }
                 } else {
                     _uiState.update {
                         it.copy(