some UI tweaks

config.properties

@@ -1,5 +1,6 @@
 #Llama Runner Configuration
-#Tue Apr 14 16:56:36 CEST 2026
+#Wed Apr 22 16:58:54 CEST 2026
+lastProfile=Exaone4
 windowHeight=1281
 windowWidth=665
 windowX=1895

profiles.json

@@ -21,28 +21,6 @@
     "fit": false,
     "reasoning": false
   },
-  "Qwen3.5-q6k-180k": {
-    "host": "0.0.0.0",
-    "port": 3080,
-    "parallel": 1,
-    "batchSize": 2048,
-    "threads": 99,
-    "flashAttention": true,
-    "kvUnified": true,
-    "cacheTypeK": "q8_0",
-    "cacheTypeV": "q8_0",
-    "temperature": 0.6,
-    "topP": 0.95,
-    "topK": 20,
-    "minP": 0.0,
-    "ctxSize": 180000,
-    "enableThinking": false,
-    "modelPath": "/home/kamma/models/Qwen3.5-35B-A3B-Q6_K.gguf",
-    "chatTemplateKwargs": "{\"enable_thinking\": false}",
-    "ngl": 999,
-    "fit": true,
-    "reasoning": false
-  },
   "QwenCoderNext-160k": {
     "host": "0.0.0.0",
     "port": 3080,
@@ -87,28 +65,6 @@
     "fit": false,
     "reasoning": false
   },
-  "Qwen3.5 q6xl 160k": {
-    "host": "0.0.0.0",
-    "port": 3080,
-    "parallel": 1,
-    "batchSize": 2048,
-    "threads": 99,
-    "flashAttention": true,
-    "kvUnified": true,
-    "cacheTypeK": "turbo3",
-    "cacheTypeV": "turbo3",
-    "temperature": 0.6,
-    "topP": 0.95,
-    "topK": 20,
-    "minP": 0.0,
-    "ctxSize": 160000,
-    "enableThinking": false,
-    "modelPath": "/home/kamma/models/Qwen3.5-35B-A3B-UD-Q6_K_XL.gguf",
-    "chatTemplateKwargs": "{\"enable_thinking\": false}",
-    "ngl": -1,
-    "fit": true,
-    "reasoning": false
-  },
   "gpt-oss-20b-160k": {
     "host": "0.0.0.0",
     "port": 3080,
@@ -175,46 +131,24 @@
     "fit": true,
     "reasoning": false
   },
-  "Qwen3-Coder-Next-UD-Q2KXL-160k": {
-    "host": "0.0.0.0",
-    "port": 3080,
-    "parallel": 1,
-    "batchSize": 2048,
-    "threads": 99,
-    "flashAttention": true,
-    "kvUnified": true,
-    "cacheTypeK": "turbo3",
-    "cacheTypeV": "turbo3",
-    "temperature": 0.6,
-    "topP": 0.95,
-    "topK": 20,
-    "minP": 0.0,
-    "ctxSize": 160000,
-    "enableThinking": false,
-    "modelPath": "/home/kamma/models/Qwen3-Coder-Next-UD-Q2_K_XL.gguf",
-    "chatTemplateKwargs": "{\"enable_thinking\": true}",
-    "ngl": -1,
-    "fit": true,
-    "reasoning": false
-  },
   "Qwen3-Coder-Next-UD-Q3KXL-160k": {
     "host": "0.0.0.0",
     "port": 3080,
     "parallel": 1,
-    "batchSize": 2048,
+    "batchSize": 4096,
     "threads": 99,
     "flashAttention": true,
     "kvUnified": true,
-    "cacheTypeK": "turbo3",
+    "cacheTypeK": "q8_0",
-    "cacheTypeV": "turbo3",
+    "cacheTypeV": "q8_0",
-    "temperature": 0.6,
+    "temperature": 1.0,
     "topP": 0.95,
-    "topK": 20,
+    "topK": 40,
-    "minP": 0.0,
+    "minP": 0.01,
     "ctxSize": 160000,
     "enableThinking": false,
     "modelPath": "/home/kamma/models/Qwen3-Coder-Next-UD-Q3_K_XL.gguf",
-    "chatTemplateKwargs": "{\"enable_thinking\": true}",
+    "chatTemplateKwargs": "",
     "ngl": -1,
     "fit": true,
     "reasoning": false
@@ -227,63 +161,19 @@
     "threads": 99,
     "flashAttention": true,
     "kvUnified": true,
-    "cacheTypeK": "turbo3",
+    "cacheTypeK": "q8_0",
-    "cacheTypeV": "turbo3",
+    "cacheTypeV": "q8_0",
-    "temperature": 0.6,
+    "temperature": 1.0,
     "topP": 0.95,
-    "topK": 20,
+    "topK": 40,
-    "minP": 0.0,
+    "minP": 0.01,
     "ctxSize": 160000,
     "enableThinking": false,
     "modelPath": "/home/kamma/models/Qwen3-Coder-Next-UD-Q4_K_XL.gguf",
     "chatTemplateKwargs": "",
     "ngl": -1,
     "fit": true,
-    "reasoning": true
+    "reasoning": false
-  },
-  "Qwen35-35B-A3B-Q6K-turbo4-256k": {
-    "host": "0.0.0.0",
-    "port": 3080,
-    "parallel": 1,
-    "batchSize": 2048,
-    "threads": 99,
-    "flashAttention": true,
-    "kvUnified": true,
-    "cacheTypeK": "q8_0",
-    "cacheTypeV": "q8_0",
-    "temperature": 0.6,
-    "topP": 0.95,
-    "topK": 20,
-    "minP": 0.0,
-    "ctxSize": 256000,
-    "enableThinking": false,
-    "modelPath": "/home/kamma/models/Qwen3.5-35B-A3B-Q6_K.gguf",
-    "chatTemplateKwargs": "{\"enable_thinking\": true}",
-    "ngl": 999,
-    "fit": true,
-    "reasoning": true
-  },
-  "Qwen35-35B-A3B-Q6K-Q8-256k": {
-    "host": "0.0.0.0",
-    "port": 3080,
-    "parallel": 1,
-    "batchSize": 2048,
-    "threads": 99,
-    "flashAttention": true,
-    "kvUnified": true,
-    "cacheTypeK": "q8_0",
-    "cacheTypeV": "q8_0",
-    "temperature": 0.6,
-    "topP": 0.95,
-    "topK": 20,
-    "minP": 0.0,
-    "ctxSize": 256000,
-    "enableThinking": false,
-    "modelPath": "/home/kamma/models/Qwen3.5-35B-A3B-Q6_K.gguf",
-    "chatTemplateKwargs": "",
-    "ngl": 999,
-    "fit": true,
-    "reasoning": true
   },
   "gemma-4-31B-it-UD-Q6KXL-54k": {
     "host": "0.0.0.0",
@@ -350,5 +240,71 @@
     "ngl": 99,
     "fit": false,
     "reasoning": true
+  },
+  "Exaone4": {
+    "host": "0.0.0.0",
+    "port": 3080,
+    "parallel": 1,
+    "batchSize": 2048,
+    "threads": 99,
+    "flashAttention": true,
+    "kvUnified": true,
+    "cacheTypeK": "q8_0",
+    "cacheTypeV": "q8_0",
+    "temperature": 0.9,
+    "topP": 0.95,
+    "topK": 20,
+    "minP": 0.0,
+    "ctxSize": 131072,
+    "enableThinking": false,
+    "modelPath": "/home/kamma/models/EXAONE-4.0-32B-GGUF-Q6_K.gguf",
+    "chatTemplateKwargs": "",
+    "ngl": 99,
+    "fit": false,
+    "reasoning": true
+  },
+  "Qwen3.6-35B-A3B-UD-Q6_K_XL-FIT": {
+    "host": "0.0.0.0",
+    "port": 3080,
+    "parallel": 1,
+    "batchSize": 4096,
+    "threads": 99,
+    "flashAttention": true,
+    "kvUnified": true,
+    "cacheTypeK": "q8_0",
+    "cacheTypeV": "q8_0",
+    "temperature": 0.9,
+    "topP": 0.95,
+    "topK": 20,
+    "minP": 0.0,
+    "ctxSize": 180000,
+    "enableThinking": false,
+    "modelPath": "/home/kamma/models/Qwen3.6-35B-A3B-UD-Q6_K_XL.gguf",
+    "chatTemplateKwargs": "",
+    "ngl": 99,
+    "fit": false,
+    "reasoning": true
+  },
+  "Qwen3.6-35B-A3B-UD-Q5_K_XL-FULL": {
+    "host": "0.0.0.0",
+    "port": 3080,
+    "parallel": 1,
+    "batchSize": 4096,
+    "threads": 99,
+    "flashAttention": true,
+    "kvUnified": true,
+    "cacheTypeK": "q8_0",
+    "cacheTypeV": "q8_0",
+    "temperature": 0.9,
+    "topP": 0.95,
+    "topK": 20,
+    "minP": 0.0,
+    "ctxSize": 180000,
+    "enableThinking": false,
+    "modelPath": "/home/kamma/models/Qwen3.6-35B-A3B-UD-Q5_K_XL.gguf",
+    "chatTemplateKwargs": "",
+    "ngl": 99,
+    "fit": false,
+    "reasoning": true
   }
 }

src/main/java/cz/kamma/llamarunner/AppConfig.java

@@ -19,6 +19,7 @@ public class AppConfig {
     private int windowHeight;
     private int windowX;
     private int windowY;
+    private String lastProfile;
     private final ConfigLocation configLocation;
 
     public AppConfig() {
@@ -47,6 +48,7 @@ public class AppConfig {
             windowHeight = Integer.parseInt(props.getProperty("windowHeight", String.valueOf(DEFAULT_HEIGHT)));
             windowX = Integer.parseInt(props.getProperty("windowX", String.valueOf(DEFAULT_X)));
             windowY = Integer.parseInt(props.getProperty("windowY", String.valueOf(DEFAULT_Y)));
+            lastProfile = props.getProperty("lastProfile", "");
         } catch (IOException | NumberFormatException e) {
             // Use default values on error
         }
@@ -60,6 +62,9 @@ public class AppConfig {
         props.setProperty("windowHeight", String.valueOf(windowHeight));
         props.setProperty("windowX", String.valueOf(windowX));
         props.setProperty("windowY", String.valueOf(windowY));
+        if (lastProfile != null) {
+            props.setProperty("lastProfile", lastProfile);
+        }
 
         try (FileOutputStream fos = new FileOutputStream(configLocation.getConfigPropertiesFile())) {
             props.store(fos, "Llama Runner Configuration");
@@ -99,4 +104,12 @@ public class AppConfig {
     public void setWindowY(int windowY) {
         this.windowY = windowY;
     }
+
+    public String getLastProfile() {
+        return lastProfile;
+    }
+
+    public void setLastProfile(String lastProfile) {
+        this.lastProfile = lastProfile;
+    }
 }

src/main/java/cz/kamma/llamarunner/Main.java

@@ -13,6 +13,8 @@ import java.awt.Toolkit;
 import java.awt.Image;
 import javax.imageio.ImageIO;
 import java.awt.datatransfer.StringSelection;
+import java.awt.event.FocusAdapter;
+import java.awt.event.FocusEvent;
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
 import java.io.File;
@@ -130,6 +132,10 @@ public class Main extends JFrame {
         addWindowListener(new WindowAdapter() {
             @Override
             public void windowClosing(WindowEvent e) {
+                String profile = (String) profileComboBox.getSelectedItem();
+                if (profile != null) {
+                    appConfig.setLastProfile(profile);
+                }
                 saveWindowConfig();
                 dispose();
                 System.exit(0);
@@ -140,8 +146,12 @@ public class Main extends JFrame {
         SwingUtilities.invokeLater(() -> {
             loadModels();
             loadProfiles();
-            if (profileComboBox.getItemCount() > 0) {
+            if (appConfig.getLastProfile() != null && !appConfig.getLastProfile().isEmpty()) {
+                profileComboBox.setSelectedItem(appConfig.getLastProfile());
+            } else if (profileComboBox.getItemCount() > 0) {
                 profileComboBox.setSelectedIndex(0);
+            }
+            if (profileComboBox.getSelectedItem() != null) {
                 showLoadProfileDialog();
             }
             updateCommandPreview();
@@ -291,16 +301,23 @@ public class Main extends JFrame {
     }
 
     private void loadProfiles() {
+        String selectedItem = (String) profileComboBox.getSelectedItem();
+
         // Remove listener temporarily to prevent triggering during load
         profileComboBox.removeActionListener(profileChangeListener);
 
         try {
+            profileComboBox.removeAllItems();
             List<String> profiles = profileManager.listProfiles();
             profiles.sort(String::compareToIgnoreCase);
             for (String name : profiles) {
                 profileComboBox.addItem(name);
             }
 
+            if (selectedItem != null) {
+                profileComboBox.setSelectedItem(selectedItem);
+            }
+
             // Re-add listener after loading
             profileComboBox.addActionListener(profileChangeListener);
         } catch (Exception e) {
@@ -318,6 +335,7 @@ public class Main extends JFrame {
         }
         String selectedItem = (String) profileComboBox.getSelectedItem();
         if (selectedItem != null && !selectedItem.isEmpty()) {
+            appConfig.setLastProfile(selectedItem);
             showLoadProfileDialog();
         }
     }
@@ -349,6 +367,7 @@ public class Main extends JFrame {
                 return;
             }
             saveProfileToName(currentProfile);
+            loadProfiles();
             JOptionPane.showMessageDialog(this, "Profile saved!");
 
         } catch (IOException e) {
@@ -641,7 +660,7 @@ public class Main extends JFrame {
         gbc.weightx = 1.0;
         hostField = new JTextField("0.0.0.0", 15);
         hostField.setCaretColor(Color.WHITE);
-        hostField.addActionListener(e -> updateCommandPreview());
+        addFocusUpdateListener(hostField);
         panel.add(hostField, gbc);
 
         gbc.gridx = 0;
@@ -653,7 +672,7 @@ public class Main extends JFrame {
         gbc.weightx = 1.0;
         portField = new JTextField("3080", 10);
         portField.setCaretColor(Color.WHITE);
-        portField.addActionListener(e -> updateCommandPreview());
+        addFocusUpdateListener(portField);
         panel.add(portField, gbc);
 
         return panel;
@@ -677,7 +696,7 @@ public class Main extends JFrame {
         gbc.weightx = 1.0;
         parallelField = new JTextField("1", 10);
         parallelField.setCaretColor(Color.WHITE);
-        parallelField.addActionListener(e -> updateCommandPreview());
+        addFocusUpdateListener(parallelField);
         panel.add(parallelField, gbc);
 
         gbc.gridx = 0;
@@ -689,7 +708,7 @@ public class Main extends JFrame {
         gbc.weightx = 1.0;
         batchSizeField = new JTextField("4096", 10);
         batchSizeField.setCaretColor(Color.WHITE);
-        batchSizeField.addActionListener(e -> updateCommandPreview());
+        addFocusUpdateListener(batchSizeField);
         panel.add(batchSizeField, gbc);
 
         gbc.gridx = 0;
@@ -701,7 +720,7 @@ public class Main extends JFrame {
         gbc.weightx = 1.0;
         threadsField = new JTextField("99", 10);
         threadsField.setCaretColor(Color.WHITE);
-        threadsField.addActionListener(e -> updateCommandPreview());
+        addFocusUpdateListener(threadsField);
         panel.add(threadsField, gbc);
 
         gbc.gridx = 0;
@@ -769,7 +788,7 @@ public class Main extends JFrame {
         gbc.weightx = 1.0;
         nglField = new JTextField("-1", 10);
         nglField.setCaretColor(Color.WHITE);
-        nglField.getDocument().addDocumentListener(createNglDocumentListener());
+        addFocusUpdateListener(nglField);
         panel.add(nglField, gbc);
 
         // Fit parameter
@@ -816,7 +835,7 @@ public class Main extends JFrame {
         gbc.weightx = 1.0;
         tempField = new JTextField("0.6", 10);
         tempField.setCaretColor(Color.WHITE);
-        tempField.addActionListener(e -> updateCommandPreview());
+        addFocusUpdateListener(tempField);
         panel.add(tempField, gbc);
 
         gbc.gridx = 0;
@@ -828,7 +847,7 @@ public class Main extends JFrame {
         gbc.weightx = 1.0;
         topPField = new JTextField("0.95", 10);
         topPField.setCaretColor(Color.WHITE);
-        topPField.addActionListener(e -> updateCommandPreview());
+        addFocusUpdateListener(topPField);
         panel.add(topPField, gbc);
 
         gbc.gridx = 0;
@@ -840,7 +859,7 @@ public class Main extends JFrame {
         gbc.weightx = 1.0;
         topKField = new JTextField("20", 10);
         topKField.setCaretColor(Color.WHITE);
-        topKField.addActionListener(e -> updateCommandPreview());
+        addFocusUpdateListener(topKField);
         panel.add(topKField, gbc);
 
         gbc.gridx = 0;
@@ -852,7 +871,7 @@ public class Main extends JFrame {
         gbc.weightx = 1.0;
         minPField = new JTextField("0.00", 10);
         minPField.setCaretColor(Color.WHITE);
-        minPField.addActionListener(e -> updateCommandPreview());
+        addFocusUpdateListener(minPField);
         panel.add(minPField, gbc);
 
         gbc.gridx = 0;
@@ -864,8 +883,7 @@ public class Main extends JFrame {
         gbc.weightx = 1.0;
         ctxSizeField = new JTextField("180000", 10);
         ctxSizeField.setCaretColor(Color.WHITE);
-        ctxSizeField.addActionListener(e -> updateCommandPreview());
+        addFocusUpdateListener(ctxSizeField);
-        ctxSizeField.getDocument().addDocumentListener(new PreviewUpdateListener(this::updateCommandPreview));
         panel.add(ctxSizeField, gbc);
 
         gbc.gridx = 0;
@@ -878,7 +896,7 @@ public class Main extends JFrame {
         gbc.weightx = 1.0;
         kwargsField = new JTextField("{\"enable_thinking\": true}");
         kwargsField.setCaretColor(Color.WHITE);
-        kwargsField.getDocument().addDocumentListener(new PreviewUpdateListener(this::updateCommandPreview));
+        addFocusUpdateListener(kwargsField);
         panel.add(kwargsField, gbc);
 
         return panel;
@@ -924,8 +942,18 @@ public class Main extends JFrame {
         if (isProfileLoading) {
             return;
         }
+        try {
+            String error = validateCurrentConfig();
+            if (error != null) {
+                JOptionPane.showMessageDialog(this, error, "Validation Error", JOptionPane.ERROR_MESSAGE);
+                return;
+            }
             String command = buildCommand();
             commandPreviewArea.setText(command);
+        } catch (NumberFormatException e) {
+            JOptionPane.showMessageDialog(this, "Please enter valid numeric values.", "Validation Error",
+                    JOptionPane.ERROR_MESSAGE);
+        }
     }
 
     private void setNglFieldText(String text) {
@@ -933,8 +961,13 @@ public class Main extends JFrame {
         updateCommandPreview();
     }
 
-    private javax.swing.event.DocumentListener createNglDocumentListener() {
+    private void addFocusUpdateListener(JTextField field) {
-        return new PreviewUpdateListener(this::updateCommandPreview);
+        field.addFocusListener(new FocusAdapter() {
+            @Override
+            public void focusLost(FocusEvent e) {
+                updateCommandPreview();
+            }
+        });
     }
 
     private void copyCommandToClipboard() {