Merge remote-tracking branch 'origin/cobaDatabase' into cobaDatabase

# Conflicts:
#	app/src/main/java/com/example/notebook/MainActivity.kt

app/src/main/java/com/example/notebook/MainActivity.kt

@@ -40,10 +40,6 @@ class MainActivity : ComponentActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-
-        // Initialize PDFBox
-        com.example.notebook.utils.PdfHelper.initialize(this)
-
         setContent {
             NotebookTheme {
                 Surface(
@@ -68,21 +64,12 @@ fun NotebookApp(viewModel: NotebookViewModel) {
     var chatInput by remember { mutableStateOf("") }
     var selectedNotebookId by remember { mutableIntStateOf(-1) }
 
-    // Log setiap kali selectedNotebookId berubah
-    LaunchedEffect(selectedNotebookId) {
-        println("🎯 selectedNotebookId berubah menjadi: $selectedNotebookId")
-    }
-
     // Kalau ada notebook yang dipilih, tampilkan detail screen
     if (selectedNotebookId != -1) {
-        println("✨ Menampilkan NotebookDetailScreen untuk ID: $selectedNotebookId")
         com.example.notebook.ui.screens.NotebookDetailScreen(
             viewModel = viewModel,
             notebookId = selectedNotebookId,
-            onBack = {
+            onBack = { selectedNotebookId = -1 }
-                println("⬅️ Kembali dari detail screen")
-                selectedNotebookId = -1
-            }
         )
         return
     }
@@ -162,13 +149,7 @@ fun NotebookApp(viewModel: NotebookViewModel) {
                 }
             }
             when (selectedTabIndex) {
-                0 -> StudioScreen(
+                0 -> StudioScreen(viewModel)
-                    viewModel = viewModel,
-                    onNotebookClick = { notebookId ->
-                        println("📱 Navigasi ke notebook ID: $notebookId")
-                        selectedNotebookId = notebookId
-                    }
-                )
                 1 -> ChatScreen(viewModel)
                 2 -> SourcesScreen(viewModel)
             }
@@ -178,7 +159,7 @@ fun NotebookApp(viewModel: NotebookViewModel) {
 
 // === STUDIO SCREEN (UPDATED) ===
 @Composable
-fun StudioScreen(viewModel: NotebookViewModel, onNotebookClick: (Int) -> Unit) {
+fun StudioScreen(viewModel: NotebookViewModel) {
     val notebooks by viewModel.notebooks.collectAsState()
     var showCreateDialog by remember { mutableStateOf(false) }
 
@@ -218,14 +199,8 @@ fun StudioScreen(viewModel: NotebookViewModel, onNotebookClick: (Int) -> Unit) {
             items(notebooks) { notebook ->
                 NotebookCard(
                     notebook = notebook,
-                    onClick = {
+                    onClick = { /* TODO: Buka notebook */ },
-                        println("🟢 onClick triggered untuk notebook ID: ${notebook.id}")
+                    onDelete = { viewModel.deleteNotebook(notebook) }
-                        onNotebookClick(notebook.id)
-                    },
-                    onDelete = {
-                        println("🔴 Delete triggered untuk notebook ID: ${notebook.id}")
-                        viewModel.deleteNotebook(notebook)
-                    }
                 )
             }
         }
@@ -271,13 +246,11 @@ fun NotebookCard(
     val dateFormat = SimpleDateFormat("dd MMM yyyy, HH:mm", Locale.getDefault())
 
     Card(
-        modifier = Modifier.fillMaxWidth(),
+        modifier = Modifier
+            .fillMaxWidth()
+            .clickable(onClick = onClick),
         shape = RoundedCornerShape(12.dp),
-        colors = CardDefaults.cardColors(containerColor = Color(0xFFF8F9FA)),
+        colors = CardDefaults.cardColors(containerColor = Color(0xFFF8F9FA))
-        onClick = {
-            println("🔵 Card onClick: ID=${notebook.id}, Title=${notebook.title}")
-            onClick()
-        }
     ) {
         Row(
             modifier = Modifier