fix(#290): code health — magic colors, flag params, silent catch (#353)

* fix(#290): use LocalHermesStatusColors instead of magic colors (CODE-33)

* fix(#290): replace boolean-flag params with sealed NavIcon class (CODE-37)

* fix(#290): resolve compilation errors — Color import + nullable NavIcon params

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Co-authored-by: M57 <hy4ri@users.noreply.github.com>

app/src/main/java/com/m57/hermescontrol/ui/toolsets/ToolsetsScreen.kt

@@ -42,6 +42,7 @@ import com.m57.hermescontrol.ui.common.EmptyState
 import com.m57.hermescontrol.ui.common.ErrorState
 import com.m57.hermescontrol.ui.common.HermesScaffold
 import com.m57.hermescontrol.ui.common.LoadingState
+import com.m57.hermescontrol.ui.common.NavIcon
 import com.m57.hermescontrol.ui.common.SearchBar
 import com.m57.hermescontrol.ui.common.ToastEffect
 import com.m57.hermescontrol.ui.common.listContentPadding
@@ -75,7 +76,7 @@ fun ToolsetsScreen(
 
     HermesScaffold(
         title = { Text(stringResource(R.string.screen_toolsets)) },
-        onOpenDrawer = onOpenDrawer,
+        navigationIcon = onOpenDrawer?.let { NavIcon.Menu(it) },
         isRefreshing = state.isLoading,
         onRefresh = { viewModel.loadToolsets() },
     ) { paddingValues ->