minor fixes

.gitignore

@@ -12,3 +12,11 @@ jre
 dependency-reduced-pom.xml
 OpenJDK21U-jre_x64_windows_hotspot_21.0.6_7.zip
 telegram-bot/
+builds/
+server/news/
+data/
+packs/
+.__pycache__
+.pytest_cache
+.venv
+resources

launcher/bootstrap/src/main/java/me/sashegdev/zernmc/launcher/Bootstrap.java

@@ -13,6 +13,11 @@ import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import javax.swing.*;
+import javax.swing.plaf.basic.BasicProgressBarUI;
+import java.awt.*;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
@@ -32,6 +37,7 @@ public class Bootstrap {
     private static Path javafxPath;
     private static boolean isCliMode;
     private static boolean isJfxMode;
+    private static BootstrapUI ui;
 
     private static Path getLauncherJar() {
         return binDir.resolve(JAR_NAME);
@@ -53,11 +59,17 @@ public class Bootstrap {
         
         log("Mode: " + (isCliMode ? "CLI" : "JFX"));
         
+        if (!isCliMode && !GraphicsEnvironment.isHeadless()) {
+            ui = new BootstrapUI();
+            SwingUtilities.invokeLater(() -> ui.show());
+        }
+        
         String currentVersion = readCurrentVersion();
         String serverVersion = getServerVersion();
         
         log("Local version: " + currentVersion);
         log("Server version: " + serverVersion);
+        setVersionInfo(currentVersion, serverVersion);
         
         loadMirrors();
         log("Primary server: " + BASE_URL);
@@ -74,6 +86,14 @@ public class Bootstrap {
             log("Shutdown signal received...");
         }));
         
+        if (ui != null) {
+            setTitle("Launching...");
+            setProgress(100, 100);
+            log("Starting launcher...");
+            try { Thread.sleep(400); } catch (InterruptedException ignored) {}
+            ui.close();
+        }
+        
         launchMain(args);
     }
     
@@ -180,6 +200,19 @@ public class Bootstrap {
             Files.writeString(logDir.resolve("launcher.log"), entry + "\n", 
                 StandardOpenOption.CREATE, StandardOpenOption.APPEND);
         } catch (Exception ignored) {}
+        if (ui != null) ui.setStatus(msg);
+    }
+
+    private static void setProgress(int current, int total) {
+        if (ui != null) ui.setProgress(current, total);
+    }
+
+    private static void setVersionInfo(String localVer, String serverVer) {
+        if (ui != null) ui.setVersionInfo(localVer, serverVer);
+    }
+
+    private static void setTitle(String text) {
+        if (ui != null) ui.setTitleText(text);
     }
     
     private static String readCurrentVersion() {
@@ -260,6 +293,9 @@ public class Bootstrap {
         
         int downloaded = 0;
         int skipped = 0;
+        int failed = 0;
+        
+        String selfName = getSelfFileName();
         
         for (Map.Entry<String, FileMeta> entry : serverFiles.entrySet()) {
             String filePath = entry.getKey();
@@ -273,20 +309,46 @@ public class Bootstrap {
                 continue;
             }
             
+            // Skip self-update (can't overwrite running executable)
+            if (selfName != null && (filePath.equalsIgnoreCase(selfName) || filePath.endsWith("/" + selfName))) {
+                log("Skipping self-update: " + filePath + " (file in use)");
+                skipped++;
+                continue;
+            }
+            
             if (localHash != null) {
                 log("Updating: " + filePath);
             } else {
                 log("Downloading: " + filePath);
             }
             
-            downloadFile(newVersion, filePath, serverMeta.size);
+            try {
-            downloaded++;
+                downloadFile(newVersion, filePath, serverMeta.size);
+                downloaded++;
+            } catch (Exception e) {
+                log("Warning: Could not update " + filePath + " - " + e.getMessage());
+                failed++;
+            }
         }
         
-        log("Updated files: " + downloaded + ", skipped: " + skipped);
+        log("Updated files: " + downloaded + ", skipped: " + skipped + ", failed: " + failed);
         log("Updated to v" + newVersion);
     }
     
+    private static String getSelfFileName() {
+        try {
+            String classPath = Bootstrap.class.getProtectionDomain().getCodeSource().getLocation().toURI().getPath();
+            if (classPath != null) {
+                String fn = Paths.get(classPath).getFileName().toString();
+                // If running from a JAR, the exe has the same stem
+                if (fn.endsWith(".jar")) {
+                    return fn.replace(".jar", ".exe");
+                }
+            }
+        } catch (Exception ignored) {}
+        return null;
+    }
+    
     private static Map<String, FileMeta> fetchServerMeta(String version) {
         Map<String, FileMeta> files = new HashMap<>();
         try {
@@ -390,6 +452,7 @@ public class Bootstrap {
         long downloaded = 0;
         long lastUpdate = 0;
         long startTime = System.currentTimeMillis();
+        setTitle("Downloading " + fileName);
         
         try (InputStream in = conn.getInputStream();
              OutputStream out = new FileOutputStream(outPath.toFile())) {
@@ -405,13 +468,9 @@ public class Bootstrap {
                     double downloadedMB = downloaded / 1024.0 / 1024.0;
                     double totalMB = expectedSize / 1024.0 / 1024.0;
                     
-                    System.out.print(String.format("\r[%s] %s - %.1f/%.1f MB (%.1f MB/s",
+                    String progressStr = String.format("%.1f/%.1f MB (%.1f MB/s)", downloadedMB, totalMB, speed);
-                        getProgressBar(downloaded, expectedSize),
+                    log(progressStr);
-                        fileName,
+                    setProgress((int) downloaded, (int) Math.max(expectedSize, 1));
-                        downloadedMB,
-                        totalMB,
-                        speed
-                    ));
                     lastUpdate = downloaded;
                 }
             }
@@ -419,12 +478,8 @@ public class Bootstrap {
         
         long elapsed = System.currentTimeMillis() - startTime;
         double speed = downloaded / 1024.0 / 1024.0 / (elapsed / 1000.0 + 0.001);
-        System.out.println(String.format("\r[%s] %s - %.1f MB (%.1f MB/s) - Done!",
+        log(String.format("Downloaded %.1f MB (%.1f MB/s) - Done!", downloaded / 1024.0 / 1024.0, speed));
-            getProgressBar(downloaded, expectedSize),
+        setProgress((int) downloaded, (int) Math.max(expectedSize, 1));
-            fileName,
-            downloaded / 1024.0 / 1024.0,
-            speed
-        ));
     }
 
     private static String getProgressBar(long current, long total) {
@@ -488,4 +543,173 @@ public class Bootstrap {
             return false;
         }
     }
+
+    // ====================== SWING UI ======================
+
+    private static class BootstrapUI {
+        private final JFrame frame;
+        private final JLabel statusLabel;
+        private final JProgressBar progressBar;
+        private final JLabel titleLabel;
+        private final JLabel versionLabel;
+        private final JLabel speedLabel;
+        private final Color bgColor = new Color(0x0c, 0x0c, 0x12);
+        private final Color surfaceColor = new Color(0x16, 0x16, 0x1f);
+        private final Color accentColor = new Color(0xe9, 0x45, 0x60);
+        private final Color textColor = new Color(0xee, 0xee, 0xf0);
+        private final Color mutedColor = new Color(0x88, 0x88, 0x9a);
+
+        BootstrapUI() {
+            try {
+                UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
+            } catch (Exception ignored) {}
+
+            frame = new JFrame("ZernMC Launcher");
+            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+            frame.setSize(480, 280);
+            frame.setLocationRelativeTo(null);
+            frame.setResizable(false);
+            frame.setBackground(bgColor);
+            frame.setUndecorated(true);
+
+            JPanel root = new JPanel(new BorderLayout());
+            root.setBackground(bgColor);
+            root.setBorder(BorderFactory.createCompoundBorder(
+                BorderFactory.createLineBorder(new Color(0x2a, 0x2a, 0x3a), 1),
+                BorderFactory.createEmptyBorder(20, 24, 20, 24)
+            ));
+
+            // Title bar
+            JPanel titleBar = new JPanel(new BorderLayout());
+            titleBar.setOpaque(false);
+
+            JLabel brandLabel = new JLabel("ZernMC Launcher");
+            brandLabel.setFont(new Font("Segoe UI", Font.BOLD, 18));
+            brandLabel.setForeground(textColor);
+
+            JPanel titleControls = new JPanel(new FlowLayout(FlowLayout.RIGHT, 0, 0));
+            titleControls.setOpaque(false);
+            JButton closeBtn = createTitleButton("\u2715");
+            closeBtn.addActionListener(e -> System.exit(0));
+            titleControls.add(closeBtn);
+
+            titleBar.add(brandLabel, BorderLayout.WEST);
+            titleBar.add(titleControls, BorderLayout.EAST);
+            root.add(titleBar, BorderLayout.NORTH);
+
+            // Center content
+            JPanel center = new JPanel();
+            center.setOpaque(false);
+            center.setLayout(new BoxLayout(center, BoxLayout.Y_AXIS));
+            center.add(Box.createVerticalStrut(16));
+
+            titleLabel = new JLabel("Initializing...");
+            titleLabel.setFont(new Font("Segoe UI", Font.PLAIN, 13));
+            titleLabel.setForeground(mutedColor);
+            titleLabel.setAlignmentX(Component.CENTER_ALIGNMENT);
+            center.add(titleLabel);
+            center.add(Box.createVerticalStrut(8));
+
+            versionLabel = new JLabel(" ");
+            versionLabel.setFont(new Font("Segoe UI", Font.PLAIN, 12));
+            versionLabel.setForeground(mutedColor);
+            versionLabel.setAlignmentX(Component.CENTER_ALIGNMENT);
+            center.add(versionLabel);
+            center.add(Box.createVerticalStrut(16));
+
+            statusLabel = new JLabel("Starting...");
+            statusLabel.setFont(new Font("Segoe UI", Font.PLAIN, 13));
+            statusLabel.setForeground(textColor);
+            statusLabel.setAlignmentX(Component.CENTER_ALIGNMENT);
+            center.add(statusLabel);
+            center.add(Box.createVerticalStrut(12));
+
+            progressBar = new JProgressBar(0, 100);
+            progressBar.setPreferredSize(new Dimension(400, 6));
+            progressBar.setMaximumSize(new Dimension(400, 6));
+            progressBar.setAlignmentX(Component.CENTER_ALIGNMENT);
+            progressBar.setBackground(new Color(0x2a, 0x2a, 0x3a));
+            progressBar.setForeground(accentColor);
+            progressBar.setBorderPainted(false);
+            progressBar.setValue(0);
+            progressBar.setUI(new BasicProgressBarUI() {
+                protected Color getSelectionBackground() { return accentColor; }
+                protected Color getSelectionForeground() { return accentColor; }
+            });
+            center.add(progressBar);
+            center.add(Box.createVerticalStrut(6));
+
+            speedLabel = new JLabel(" ");
+            speedLabel.setFont(new Font("Segoe UI", Font.PLAIN, 11));
+            speedLabel.setForeground(mutedColor);
+            speedLabel.setAlignmentX(Component.CENTER_ALIGNMENT);
+            center.add(speedLabel);
+
+            root.add(center, BorderLayout.CENTER);
+
+            // Draggable frame
+            MouseAdapter dragAdapter = new MouseAdapter() {
+                private int x, y;
+                public void mousePressed(MouseEvent e) { x = e.getX(); y = e.getY(); }
+                public void mouseDragged(MouseEvent e) {
+                    frame.setLocation(e.getXOnScreen() - x, e.getYOnScreen() - y);
+                }
+            };
+            root.addMouseListener(dragAdapter);
+            root.addMouseMotionListener(dragAdapter);
+
+            frame.setContentPane(root);
+        }
+
+        private JButton createTitleButton(String text) {
+            JButton btn = new JButton(text);
+            btn.setFont(new Font("Segoe UI", Font.PLAIN, 14));
+            btn.setForeground(mutedColor);
+            btn.setBackground(bgColor);
+            btn.setBorderPainted(false);
+            btn.setFocusPainted(false);
+            btn.setContentAreaFilled(false);
+            btn.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
+            btn.addMouseListener(new MouseAdapter() {
+                public void mouseEntered(MouseEvent e) { btn.setForeground(accentColor); }
+                public void mouseExited(MouseEvent e) { btn.setForeground(mutedColor); }
+            });
+            return btn;
+        }
+
+        void show() {
+            frame.setVisible(true);
+            frame.toFront();
+        }
+
+        void close() {
+            frame.dispose();
+        }
+
+        void setStatus(final String text) {
+            SwingUtilities.invokeLater(() -> statusLabel.setText(text));
+        }
+
+        void setProgress(final int current, final int total) {
+            SwingUtilities.invokeLater(() -> {
+                if (total > 0) {
+                    int pct = (int) ((long) current * 100 / total);
+                    progressBar.setValue(Math.min(pct, 100));
+                    speedLabel.setText(String.format("%.1f / %.1f MB", 
+                        current / 1024.0 / 1024.0, total / 1024.0 / 1024.0));
+                } else {
+                    progressBar.setIndeterminate(true);
+                }
+            });
+        }
+
+        void setVersionInfo(final String local, final String server) {
+            SwingUtilities.invokeLater(() -> 
+                versionLabel.setText("v" + local + " \u2192 v" + server));
+        }
+
+        void setTitleText(final String text) {
+            SwingUtilities.invokeLater(() -> titleLabel.setText(text));
+        }
+    }
 }

launcher/launcher/pom.xml

@@ -132,16 +132,17 @@
                 <artifactId>launch4j-maven-plugin</artifactId>
                 <version>2.5.0</version>
                 <executions>
+                    <!-- GUI версия (основная) - без консоли -->
                     <execution>
-                        <id>l4j</id>
+                        <id>l4j-gui</id>
                         <phase>package</phase>
                         <goals>
                             <goal>launch4j</goal>
                         </goals>
                         <configuration>
-                            <outfile>../../server/builds/zernmc-${project.version}.exe</outfile>
+                            <outfile>../../server/builds/zernmc.exe</outfile>
                             <jar>../../server/builds/zernmc-bootstrap.jar</jar>
-                            <headerType>console</headerType>
+                            <headerType>gui</headerType>
                             <dontWrapJar>false</dontWrapJar>
                             <mainClass>me.sashegdev.zernmc.launcher.Bootstrap</mainClass>
                             <jre>
@@ -157,7 +158,38 @@
                                 <productName>ZernMC</productName>
                                 <companyName>ZernMC</companyName>
                                 <internalName>zernmc</internalName>
-                                <originalFilename>zernmc-${project.version}.exe</originalFilename>
+                                <originalFilename>zernmc.exe</originalFilename>
+                            </versionInfo>
+                        </configuration>
+                    </execution>
+                    
+                    <!-- CLI версия - с консолью -->
+                    <execution>
+                        <id>l4j-cli</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>launch4j</goal>
+                        </goals>
+                        <configuration>
+                            <outfile>../../server/builds/zernmc-cli.exe</outfile>
+                            <jar>../../server/builds/zernmc-bootstrap.jar</jar>
+                            <headerType>console</headerType>
+                            <dontWrapJar>false</dontWrapJar>
+                            <mainClass>me.sashegdev.zernmc.launcher.Bootstrap</mainClass>
+                            <jre>
+                                <path>lib/jre21</path>
+                                <minVersion>21</minVersion>
+                            </jre>
+                            <versionInfo>
+                                <fileVersion>${project.version}.0</fileVersion>
+                                <txtFileVersion>${project.version}</txtFileVersion>
+                                <fileDescription>ZernMC Launcher CLI</fileDescription>
+                                <productVersion>${project.version}.0</productVersion>
+                                <txtProductVersion>${project.version}</txtProductVersion>
+                                <productName>ZernMC CLI</productName>
+                                <companyName>ZernMC</companyName>
+                                <internalName>zernmc-cli</internalName>
+                                <originalFilename>zernmc-cli.exe</originalFilename>
                             </versionInfo>
                         </configuration>
                     </execution>
@@ -219,10 +251,6 @@
                                     </fileset>
                                 </copy>
 
-                                <!-- Переименовываем exe для zip -->
-                                <move file="../../server/builds/zernmc-${project.version}.exe" 
-                                      tofile="../../server/builds/zernmc.exe" overwrite="true"/>
-                                
                                 <!-- Создаем папку bin и копируем JAR -->
                                 <mkdir dir="../../server/builds/bin"/>
                                 <copy file="../../server/builds/zernmclauncher.jar" 
@@ -236,11 +264,26 @@
                                     </fileset>
                                 </copy>
                                 
-                                <!-- Создаём zip -->
+                                <!-- Создаём README -->
+                                <echo file="../../server/builds/README.txt">
+ZernMC Launcher
+
+Files:
+- zernmc.exe      - Main launcher with GUI (no console window)
+- zernmc-cli.exe  - CLI version for servers/advanced users (with console)
+
+How to use GUI:
+    Just run zernmc.exe
+
+How to use CLI:
+    Run from command line: zernmc-cli.exe --cli
+                                </echo>
+                                
+                                <!-- Создаём один архив со всем -->
                                 <zip destfile="../../server/builds/ZernMC-win-${project.version}.zip"
                                      basedir="../../server/builds"
-                                     includes="zernmc.exe,bin/**,assets/**,lib/**"
+                                     includes="zernmc.exe,zernmc-cli.exe,bin/**,assets/**,lib/**,README.txt"
-                                     excludes="build.version,*-${project.version}.*,zernmclauncher.jar,zernmc-bootstrap.jar"/>
+                                     excludes="build.version,*.jar"/>
                             </target>
                         </configuration>
                     </execution>

launcher/launcher/src/main/java/sashegdev/zernmc/launcher/Bootstrap.java

@@ -69,7 +69,7 @@ public class Bootstrap {
     
     private static String getServerVersion() {
         try {
-            URL url = new URL(BASE_URL.replace("download?type=jar", "version"));
+            URL url = new URL(BASE_URL + "/launcher/version");
             HttpURLConnection conn = (HttpURLConnection) url.openConnection();
             conn.setRequestMethod("GET");
             if (conn.getResponseCode() == 200) {

launcher/launcher/src/main/java/sashegdev/zernmc/launcher/Main.java

@@ -22,6 +22,8 @@ public class Main {
         System.setProperty("java.stderr.encoding", "UTF-8");
         System.setProperty("org.jline.terminal.disableDeprecatedProviderWarning", "true");
 
+        LauncherLogger.init();
+
         if (System.getProperty("os.name").toLowerCase().contains("windows")) {
             try {
                 new ProcessBuilder("cmd", "/c", "chcp", "65001").inheritIO().start().waitFor();
@@ -29,8 +31,7 @@ public class Main {
         }
         
         ZAnsi.install();
-        System.out.print("\033[H\033[2J");
+        LauncherLogger.info("Starting ZernMC Launcher " + CURRENT_VERSION);
-        System.out.println(ZAnsi.brightGreen("Welcome to ZernMC Launcher " + CURRENT_VERSION));
 
         List<String> argList = List.of(args);
         boolean jfxMode = argList.contains("--jfx");

launcher/launcher/src/main/java/sashegdev/zernmc/launcher/api/LauncherAPI.java

@@ -3,6 +3,7 @@ package me.sashegdev.zernmc.launcher.api;
 import me.sashegdev.zernmc.launcher.api.auth.AuthService;
 import me.sashegdev.zernmc.launcher.api.instance.InstanceService;
 import me.sashegdev.zernmc.launcher.api.launch.LaunchService;
+import me.sashegdev.zernmc.launcher.utils.LauncherLogger;
 import me.sashegdev.zernmc.launcher.utils.ZHttpClient;
 
 import java.util.ArrayList;
@@ -113,7 +114,7 @@ public class LauncherAPI {
                         }
                         idx = end;
                     }
-                    versions.sort((a, b) -> b.compareTo(a));
+                    versions.sort(LauncherAPI::compareVersions);
                     break;
                 case "neoforge":
                     String neoforgeXml = ZHttpClient.downloadString("https://maven.neoforged.net/releases/net/neoforged/neoforge/maven-metadata.xml");
@@ -128,7 +129,7 @@ public class LauncherAPI {
                         }
                         neoidx = end;
                     }
-                    versions.sort((a, b) -> b.compareTo(a));
+                    versions.sort(LauncherAPI::compareVersions);
                     break;
                 default:
                     break;
@@ -140,6 +141,23 @@ public class LauncherAPI {
         }
     }
     
+    private static int compareVersions(String a, String b) {
+        String[] partsA = a.split("\\.");
+        String[] partsB = b.split("\\.");
+        int len = Math.min(partsA.length, partsB.length);
+        for (int i = 0; i < len; i++) {
+            try {
+                int numA = Integer.parseInt(partsA[i]);
+                int numB = Integer.parseInt(partsB[i]);
+                if (numA != numB) return Integer.compare(numB, numA);
+            } catch (NumberFormatException e) {
+                int cmp = partsA[i].compareTo(partsB[i]);
+                if (cmp != 0) return cmp;
+            }
+        }
+        return Integer.compare(partsB.length, partsA.length);
+    }
+
     private boolean isNeoForgeCompatible(String version, String mcVersion) {
         if (mcVersion.startsWith("1.21")) {
             return version.contains("1.21") && !version.contains("1.20");
@@ -153,26 +171,31 @@ public class LauncherAPI {
         try {
             String token = authService.getCurrentToken();
             if (token == null) {
+                LauncherLogger.warn("getZernMCPacks: not logged in");
                 return ApiResponse.error("Not logged in");
             }
 
             String response = ZHttpClient.get("/packs");
-            org.json.JSONArray arr = new org.json.JSONArray(response);
+            org.json.JSONObject root = new org.json.JSONObject(response);
+            org.json.JSONArray arr = root.optJSONArray("packs");
             List<Map<String, String>> packs = new ArrayList<>();
-            for (int i = 0; i < arr.length(); i++) {
+            if (arr != null) {
-                org.json.JSONObject pack = arr.getJSONObject(i);
+                for (int i = 0; i < arr.length(); i++) {
-                Map<String, String> packInfo = new java.util.HashMap<>();
+                    org.json.JSONObject pack = arr.getJSONObject(i);
-                packInfo.put("name", pack.optString("name", ""));
+                    Map<String, String> packInfo = new java.util.HashMap<>();
-                packInfo.put("displayName", pack.optString("displayName", pack.optString("name", "")));
+                    packInfo.put("name", pack.optString("name", ""));
-                packInfo.put("version", pack.optString("version", ""));
+                    packInfo.put("displayName", pack.optString("displayName", pack.optString("name", "")));
-                packInfo.put("mcVersion", pack.optString("mcVersion", ""));
+                    packInfo.put("version", pack.optString("version", ""));
-                packInfo.put("loader", pack.optString("loader", "vanilla"));
+                    packInfo.put("mcVersion", pack.optString("minecraft_version", ""));
-                packInfo.put("description", pack.optString("description", ""));
+                    packInfo.put("loader", pack.optString("loader_type", "vanilla"));
-                packs.add(packInfo);
+                    packInfo.put("description", pack.optString("description", ""));
+                    packs.add(packInfo);
+                }
             }
+            LauncherLogger.info("getZernMCPacks: loaded " + packs.size() + " packs");
             return ApiResponse.success(packs);
         } catch (Exception e) {
-            System.out.println("[API] Packs fetch failed: " + e.getMessage());
+            LauncherLogger.error("getZernMCPacks failed: " + e.getMessage());
             return ApiResponse.error("Failed to load packs: " + e.getMessage());
         }
     }

launcher/launcher/src/main/java/sashegdev/zernmc/launcher/api/auth/AuthService.java

@@ -1,5 +1,7 @@
 package me.sashegdev.zernmc.launcher.api.auth;
 
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
 import me.sashegdev.zernmc.launcher.api.ApiResponse;
 import me.sashegdev.zernmc.launcher.auth.AuthManager;
 import me.sashegdev.zernmc.launcher.utils.ZHttpClient;
@@ -10,8 +12,10 @@ public class AuthService {
 
     public ApiResponse<LoginResult> register(String username, String password) {
         try {
-            String response = post("/auth/register",
+            JsonObject json = new JsonObject();
-                    "{\"username\":\"" + username + "\",\"password\":\"" + password + "\"}");
+            json.addProperty("username", username);
+            json.addProperty("password", password);
+            String response = post("/auth/register", json.toString());
             
             // If registration succeeds, auto-login
             AuthManager.AuthResult result = AuthManager.login(username, password);
@@ -72,8 +76,10 @@ public class AuthService {
 
     public ApiResponse<Boolean> activatePass(String passCode) {
         try {
-            String response = post("/auth/pass/activate",
+            JsonObject json = new JsonObject();
-                    "{\"code\":\"" + passCode + "\"}");
+            json.addProperty("pass_code", passCode);
+            String response = post("/auth/pass/activate", json.toString());
+            AuthManager.refreshUserInfo();
             return ApiResponse.success(true);
         } catch (Exception e) {
             return ApiResponse.error("Pass activation error: " + e.getMessage());

launcher/launcher/src/main/java/sashegdev/zernmc/launcher/api/launch/LaunchService.java

@@ -8,6 +8,7 @@ import me.sashegdev.zernmc.launcher.minecraft.launch.LaunchCommandBuilder;
 import me.sashegdev.zernmc.launcher.minecraft.model.LaunchOptions;
 import me.sashegdev.zernmc.launcher.ui.jfx.JFXLauncher;
 import me.sashegdev.zernmc.launcher.utils.Config;
+import me.sashegdev.zernmc.launcher.utils.LauncherLogger;
 
 import java.io.BufferedReader;
 import java.io.IOException;
@@ -39,6 +40,7 @@ public class LaunchService {
                 return ApiResponse.error("Pack not found: " + instanceName);
             }
 
+            LauncherLogger.info("Preparing launch for: " + instanceName);
             LaunchCommandBuilder builder = new LaunchCommandBuilder(instance);
             LaunchOptions options = createOptions();
 
@@ -51,6 +53,7 @@ public class LaunchService {
             );
             return ApiResponse.success(info);
         } catch (Exception e) {
+            LauncherLogger.error("Error preparing launch for " + instanceName, e);
             return ApiResponse.error("Error preparing launch: " + e.getMessage());
         }
     }
@@ -62,6 +65,8 @@ public class LaunchService {
                 return ApiResponse.error("Pack not found: " + instanceName);
             }
 
+            LauncherLogger.info("Launching: " + instanceName + " (serverPack=" + instance.isServerPack() + ")");
+
             LaunchCommandBuilder builder = new LaunchCommandBuilder(instance);
             LaunchOptions options = createOptions();
             options.setUsername(AuthManager.getUsername());
@@ -69,8 +74,8 @@ public class LaunchService {
             options.setUuid(AuthManager.getUuid());
 
             List<String> command = builder.build(options);
-            System.out.println("[LAUNCH] Generated command for " + instanceName + ":");
+            LauncherLogger.info("Generated command for " + instanceName + ":");
-            command.forEach(arg -> System.out.println("  " + arg));
+            command.forEach(arg -> LauncherLogger.debug("  " + arg));
 
             ProcessBuilder processBuilder = new ProcessBuilder(command);
             processBuilder.directory(instance.getPath().toFile());
@@ -84,7 +89,7 @@ public class LaunchService {
             long pid = process.pid();
             
             runningProcesses.put(pid, process);
-            System.out.println("[LAUNCH] Process started, pid=" + pid);
+            LauncherLogger.info("Process started, pid=" + pid);
 
             java.io.FileOutputStream logFileOut = new java.io.FileOutputStream(gameLog.toFile(), true);
             
@@ -116,6 +121,7 @@ public class LaunchService {
             ProcessInfo info = new ProcessInfo(instanceName, pid, "RUNNING");
             return ApiResponse.success(info);
         } catch (Exception e) {
+            LauncherLogger.error("Launch error for " + instanceName, e);
             return ApiResponse.error("Launch error: " + e.getMessage());
         }
     }
@@ -171,15 +177,21 @@ public class LaunchService {
         options.setWidth(Config.getWindowWidth());
         options.setHeight(Config.getWindowHeight());
         options.setJavaPath(Config.getJavaPath());
+        List<String> extraArgs = new ArrayList<>();
+        if (Config.isSystemBasedJvm()) {
+            String[] systemFlags = Config.getSystemJvmFlags().split("\\s+");
+            for (String arg : systemFlags) {
+                if (!arg.isEmpty()) extraArgs.add(arg);
+            }
+        }
         String args = Config.getExtraJvmArgs();
         if (args != null && !args.isEmpty()) {
-            List<String> extraArgs = new ArrayList<>();
+            for (String arg : args.split("\n")) {
-            for (String arg : args.split("\\s+")) {
                 arg = arg.trim();
                 if (!arg.isEmpty()) extraArgs.add(arg);
             }
-            options.setExtraJvmArgs(extraArgs);
         }
+        options.setExtraJvmArgs(extraArgs);
         return options;
     }
 

launcher/launcher/src/main/java/sashegdev/zernmc/launcher/auth/AuthManager.java

@@ -6,6 +6,7 @@ import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
 import com.google.gson.annotations.SerializedName;
 import me.sashegdev.zernmc.launcher.utils.Config;
+import me.sashegdev.zernmc.launcher.utils.LauncherLogger;
 import me.sashegdev.zernmc.launcher.utils.ZAnsi;
 import me.sashegdev.zernmc.launcher.utils.ZHttpClient;
 
@@ -36,24 +37,57 @@ public class AuthManager {
     public static final String PERM_DOWNLOAD_PACK = "download_pack";
 
     public static boolean loadSavedSession() {
-        if (!Files.exists(AUTH_FILE)) return false;
+        if (!Files.exists(AUTH_FILE)) {
+            LauncherLogger.warn("loadSavedSession: auth.json not found at " + AUTH_FILE);
+            return false;
+        }
         try {
             String json = Files.readString(AUTH_FILE);
             AuthSession loaded = GSON.fromJson(json, AuthSession.class);
-            if (loaded == null || loaded.accessToken == null) return false;
+            if (loaded == null || loaded.accessToken == null) {
+                LauncherLogger.warn("loadSavedSession: invalid auth.json content, deleting");
+                Files.deleteIfExists(AUTH_FILE);
+                return false;
+            }
 
             session = loaded;
-            userInfo = fetchUserInfo();
+            LauncherLogger.info("loadSavedSession: loaded session for " + loaded.username
+                + " expiresAt=" + loaded.expiresAt + " hasRefresh=" + (loaded.refreshToken != null));
+
+            refreshUserInfo();
 
             if (isAccessTokenExpired()) {
-                return tryRefresh();
+                LauncherLogger.info("loadSavedSession: token expired, attempting refresh");
+                boolean refreshed = tryRefresh();
+                if (!refreshed) {
+                    if (session == null) {
+                        LauncherLogger.warn("loadSavedSession: token rejected by server (401)");
+                        return false;
+                    }
+                    LauncherLogger.warn("loadSavedSession: refresh failed (network/no refreshToken),"
+                        + " keeping session for retry on next launch");
+                    return false;
+                }
             }
+            if (session == null) {
+                LauncherLogger.warn("loadSavedSession: session invalidated during token refresh");
+                return false;
+            }
+            LauncherLogger.info("loadSavedSession: session valid for " + session.username);
             return true;
         } catch (Exception e) {
+            LauncherLogger.error("loadSavedSession error: " + e.getMessage());
+            invalidateSession();
             return false;
         }
     }
 
+    public static boolean tryAutoLogin() {
+        if (isLoggedIn()) return true;
+        if (!Files.exists(AUTH_FILE)) return false;
+        return loadSavedSession();
+    }
+
     public static AuthResult login(String username, String password) {
         return authRequest("/auth/login", username, password);
     }
@@ -70,6 +104,8 @@ public class AuthManager {
             if (resp.statusCode() == 200) {
                 session = GSON.fromJson(resp.body(), AuthSession.class);
                 session.expiresAt = System.currentTimeMillis() / 1000L + session.expiresIn;
+                LauncherLogger.info("authRequest: login successful, expiresAt=" + session.expiresAt
+                    + " hasRefresh=" + (session.refreshToken != null));
                 saveSession();
                 userInfo = fetchUserInfo();
                 return AuthResult.ok();
@@ -87,32 +123,51 @@ public class AuthManager {
     public static void logout() {
         if (session != null && session.refreshToken != null) {
             try {
-                post("/auth/logout", "{\"refresh_token\":\"" + session.refreshToken + "\"}");
+                JsonObject json = new JsonObject();
-            } catch (Exception ignored) {}
+                json.addProperty("refresh_token", session.refreshToken);
+                post("/auth/logout", json.toString());
+            } catch (Exception e) {
+                LauncherLogger.warn("Logout error: " + e.getMessage());
+            }
         }
         session = null;
         userInfo = null;
-        try { Files.deleteIfExists(AUTH_FILE); } catch (Exception ignored) {}
+        try { Files.deleteIfExists(AUTH_FILE); } catch (Exception e) {
+            LauncherLogger.warn("Failed to delete auth.json: " + e.getMessage());
+        }
     }
 
     public static boolean isLoggedIn() {
         return session != null && session.accessToken != null;
     }
 
+    public static boolean authFileExists() {
+        return Files.exists(AUTH_FILE);
+    }
+
     public static String getUsername() {
-        return session != null ? session.username : "Player";
+        AuthSession localSession = session;
+        return localSession != null ? localSession.username : "Player";
     }
 
     public static String getUuid() {
-        return session != null ? session.uuid : "00000000-0000-0000-0000-000000000000";
+        AuthSession localSession = session;
+        return localSession != null ? localSession.uuid : "00000000-0000-0000-0000-000000000000";
     }
 
     public static String getAccessToken() {
-        if (session == null) return "0";
+        AuthSession localSession = session;
+        if (localSession == null) return "0";
         if (isAccessTokenExpired()) {
-            tryRefresh();
+            boolean refreshed = tryRefresh();
+            if (!refreshed) {
+                localSession = session;
+                if (localSession == null) return "0";
+                return localSession.accessToken != null ? localSession.accessToken : "0";
+            }
         }
-        return session != null && session.accessToken != null ? session.accessToken : "0";
+        localSession = session;
+        return localSession != null && localSession.accessToken != null ? localSession.accessToken : "0";
     }
 
     private static boolean isAccessTokenExpired() {
@@ -121,32 +176,63 @@ public class AuthManager {
     }
 
     private static boolean tryRefresh() {
-        if (session == null || session.refreshToken == null) return false;
+        if (session == null) {
+            LauncherLogger.warn("tryRefresh: session is null");
+            return false;
+        }
+        if (session.refreshToken == null) {
+            LauncherLogger.warn("tryRefresh: no refreshToken in session");
+            return false;
+        }
         try {
-            String body = "{\"refresh_token\":\"" + session.refreshToken + "\"}";
+            JsonObject json = new JsonObject();
-            SimpleHttpResponse resp = post("/auth/refresh", body);
+            json.addProperty("refresh_token", session.refreshToken);
+            SimpleHttpResponse resp = post("/auth/refresh", json.toString());
 
             if (resp.statusCode() == 200) {
                 AuthSession newSession = GSON.fromJson(resp.body(), AuthSession.class);
                 newSession.expiresAt = System.currentTimeMillis() / 1000L + newSession.expiresIn;
                 session = newSession;
                 userInfo = fetchUserInfo();
+                if (userInfo != null) {
+                    session.role = userInfo.role;
+                }
                 saveSession();
+                LauncherLogger.info("tryRefresh: token refreshed successfully");
                 return true;
             }
-        } catch (Exception ignored) {}
+
+            if (resp.statusCode() == 401) {
+                LauncherLogger.warn("tryRefresh: server rejected refresh token (401)");
+                invalidateSession();
+            } else {
+                LauncherLogger.warn("tryRefresh: server returned " + resp.statusCode());
+            }
+        } catch (Exception e) {
+            LauncherLogger.warn("tryRefresh: network error: " + e.getMessage());
+            return false;
+        }
+        return false;
+    }
+
+    private static void invalidateSession() {
         session = null;
         userInfo = null;
-        try { Files.deleteIfExists(AUTH_FILE); } catch (Exception ignored) {}
+        try {
-        return false;
+            Files.deleteIfExists(AUTH_FILE);
+            LauncherLogger.info("Session invalidated, auth.json deleted");
+        } catch (Exception e) {
+            LauncherLogger.error("Failed to delete auth.json", e);
+        }
     }
 
     private static void saveSession() {
         try {
             Files.createDirectories(AUTH_FILE.getParent());
             Files.writeString(AUTH_FILE, GSON.toJson(session));
+            LauncherLogger.info("Session saved to " + AUTH_FILE);
         } catch (IOException e) {
-            System.err.println(ZAnsi.yellow("Failed to save session: " + e.getMessage()));
+            LauncherLogger.error("Failed to save session", e);
         }
     }
 
@@ -180,14 +266,25 @@ public class AuthManager {
                 if (conn != null) conn.disconnect();
             }
         } catch (Exception e) {
-            System.err.println("Failed to get UserInfo: " + e.getMessage());
+            LauncherLogger.warn("Failed to get UserInfo: " + e.getMessage());
             return null;
         }
     }
 
     public static boolean hasPass() {
+        if (!isLoggedIn()) return false;
         if (userInfo != null) return userInfo.has_pass;
-        return getRole() >= ROLE_PASS_HOLDER;
+        if (getRole() >= ROLE_PASS_HOLDER) return true;
+        try {
+            String response = ZHttpClient.get("/auth/pass/my");
+            JsonObject json = JsonParser.parseString(response).getAsJsonObject();
+            if (json.has("has_active")) {
+                return json.get("has_active").getAsBoolean();
+            }
+        } catch (Exception e) {
+            LauncherLogger.warn("Failed to check pass: " + e.getMessage());
+        }
+        return false;
     }
 
     public static boolean canViewPacks() {
@@ -277,16 +374,30 @@ public class AuthManager {
         return body.length() > 200 ? body.substring(0, 200) + "..." : body;
     }
 
+    public static void updateRole(int newRole) {
+        if (session != null) {
+            session.role = newRole;
+            saveSession();
+        }
+        refreshUserInfo();
+    }
+
+    public static void refreshUserInfo() {
+        UserInfo fresh = fetchUserInfo();
+        if (fresh != null) {
+            userInfo = fresh;
+            if (session != null) {
+                session.role = fresh.role;
+            }
+        }
+        if (session != null) {
+            saveSession();
+        }
+    }
+
     public static boolean hasActivePass() {
         if (!isLoggedIn()) return false;
-        try {
+        return hasPass();
-            String response = ZHttpClient.get("/auth/pass/my");
-            JsonObject json = JsonParser.parseString(response).getAsJsonObject();
-            return json.has("has_active") && json.get("has_active").getAsBoolean();
-        } catch (Exception e) {
-            System.err.println(ZAnsi.red("Failed to check pass: ") + e.getMessage());
-            return false;
-        }
     }
     
     public static String getPassStatus() {
@@ -305,7 +416,7 @@ public class AuthManager {
         @SerializedName("access_token") public String accessToken;
         @SerializedName("refresh_token") public String refreshToken;
         @SerializedName("expires_in") public int expiresIn;
-        public transient long expiresAt;
+        public long expiresAt;
         public String username;
         public String uuid;
         public int role;
@@ -341,6 +452,20 @@ public class AuthManager {
         public static AuthResult ok() { return new AuthResult(true, null); }
         public static AuthResult fail(String msg) { return new AuthResult(false, msg); }
     }
+
+    // === TEST HELPERS ===
+    static void resetForTest() {
+        session = null;
+        userInfo = null;
+    }
+
+    static void setTestSession(AuthSession s) {
+        session = s;
+    }
+
+    static void setTestUserInfo(UserInfo u) {
+        userInfo = u;
+    }
 }
 
 class SimpleHttpResponse {

launcher/launcher/src/main/java/sashegdev/zernmc/launcher/minecraft/MinecraftLib.java

@@ -8,6 +8,7 @@ import me.sashegdev.zernmc.launcher.minecraft.launch.LaunchCommandBuilder;
 import me.sashegdev.zernmc.launcher.minecraft.model.LaunchOptions;
 import me.sashegdev.zernmc.launcher.ui.jfx.JFXLauncher;
 import me.sashegdev.zernmc.launcher.utils.ConsoleUtils;
+import me.sashegdev.zernmc.launcher.utils.LauncherLogger;
 import me.sashegdev.zernmc.launcher.utils.ZAnsi;
 
 import java.io.BufferedReader;
@@ -160,14 +161,15 @@ public class MinecraftLib {
     }
 
     private void safeDeleteDirectory(Path dir) {
-        try {
+        try (var stream = Files.walk(dir)) {
-            Files.walk(dir)
+            stream.sorted((a, b) -> b.compareTo(a))
-                 .sorted((a, b) -> b.compareTo(a))
+                  .forEach(p -> {
-                 .forEach(p -> {
+                      try { Files.deleteIfExists(p); } 
-                     try { Files.deleteIfExists(p); } 
+                      catch (IOException e) { /* ignore */ }
-                     catch (IOException ignored) {}
+                  });
-                 });
+        } catch (IOException e) {
-        } catch (IOException ignored) {}
+            LauncherLogger.warn("safeDeleteDirectory: " + e.getMessage());
+        }
     }
 
     private void deleteOldVersionDirs(Path versionsDir, String keepVersion) throws IOException {

launcher/launcher/src/main/java/sashegdev/zernmc/launcher/minecraft/PackDownloader.java

@@ -8,6 +8,7 @@ import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
 
 import me.sashegdev.zernmc.launcher.auth.AuthManager;
+import me.sashegdev.zernmc.launcher.utils.LauncherLogger;
 import me.sashegdev.zernmc.launcher.utils.ProgressBar;
 import me.sashegdev.zernmc.launcher.utils.ZAnsi;
 import me.sashegdev.zernmc.launcher.utils.ZHttpClient;
@@ -19,6 +20,7 @@ import java.net.http.HttpResponse;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.security.MessageDigest;
+import java.time.Duration;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.*;
@@ -118,7 +120,7 @@ public class PackDownloader {
                 result.add(new ServerPack(name, version, minecraftVersion, loaderType, 
                         loaderVersion, updatedAt, filesCount));
             } catch (Exception e) {
-                System.err.println("Error parsing pack: " + e.getMessage());
+                LauncherLogger.warn("Error parsing pack: " + e.getMessage());
             }
         }
 
@@ -137,7 +139,7 @@ public class PackDownloader {
      * Install or update a pack from the server
      */
     public boolean installOrUpdatePack(String packName, ServerPack serverPack) throws Exception {
-        System.out.println(ZAnsi.cyan("Installing pack " + packName + " from server..."));
+        LauncherLogger.info("Installing pack " + packName + " from server...");
         
         // 1. Get manifest
         PackManifest manifest = getPackManifest(packName);
@@ -463,12 +465,19 @@ public class PackDownloader {
      */
     private void downloadFile(FileInfo file, Path destination) throws Exception {
         String url = ZHttpClient.getBaseUrl() + file.getUrl();
+        String accessToken = AuthManager.getAccessToken();
         
-        HttpRequest request = HttpRequest.newBuilder()
+        HttpRequest.Builder builder = HttpRequest.newBuilder()
             .uri(java.net.URI.create(url))
-            .GET()
+            .timeout(Duration.ofSeconds(60))
-            .build();
+            .header("User-Agent", "ZernMC-Launcher/1.0")
+            .GET();
         
+        if (accessToken != null && !accessToken.equals("0")) {
+            builder.header("Authorization", "Bearer " + accessToken);
+        }
+        
+        HttpRequest request = builder.build();
         HttpResponse<InputStream> response = httpClient.send(request,
             HttpResponse.BodyHandlers.ofInputStream());
         

launcher/launcher/src/main/java/sashegdev/zernmc/launcher/minecraft/installer/ForgeInstaller.java

@@ -11,7 +11,9 @@ import java.net.http.HttpResponse;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.StandardOpenOption;
+import java.util.Arrays;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 public class ForgeInstaller {
@@ -240,29 +242,35 @@ public class ForgeInstaller {
         System.out.println(ZAnsi.cyan("Checking and downloading missing libraries..."));
         
         // List of problematic libraries and their alternate URLs
-        Map<String, String> alternativeUrls = new HashMap<>();
-        alternativeUrls.put("org/ow2/asm/asm/9.6/asm-9.6.jar", 
-            "https://repo1.maven.org/maven2/org/ow2/asm/asm/9.6/asm-9.6.jar");
-        alternativeUrls.put("org/ow2/asm/asm/9.6/asm-9.6.jar",
-            "https://mirrors.huaweicloud.com/repository/maven/org/ow2/asm/asm/9.6/asm-9.6.jar");
-        
         Path librariesDir = instance.getPath().resolve("libraries");
         
-        for (Map.Entry<String, String> entry : alternativeUrls.entrySet()) {
+        // Map from maven path to list of mirror URLs (tried in order)
+        Map<String, List<String>> alternativeUrls = new HashMap<>();
+        alternativeUrls.put("org/ow2/asm/asm/9.6/asm-9.6.jar", Arrays.asList(
+            "https://repo1.maven.org/maven2/org/ow2/asm/asm/9.6/asm-9.6.jar",
+            "https://mirrors.huaweicloud.com/repository/maven/org/ow2/asm/asm/9.6/asm-9.6.jar"
+        ));
+        
+        for (Map.Entry<String, List<String>> entry : alternativeUrls.entrySet()) {
             Path target = librariesDir.resolve(entry.getKey());
             if (!Files.exists(target)) {
                 Files.createDirectories(target.getParent());
                 System.out.println(ZAnsi.yellow("Downloading: " + target.getFileName()));
                 
-                for (int attempt = 1; attempt <= 3; attempt++) {
+                boolean downloaded = false;
-                    try {
+                for (String mirrorUrl : entry.getValue()) {
-                        downloadFileWithProgress(entry.getValue(), target);
+                    for (int attempt = 1; attempt <= 3; attempt++) {
-                        break;
+                        try {
-                    } catch (Exception e) {
+                            downloadFileWithProgress(mirrorUrl, target);
-                        if (attempt == 3) throw e;
+                            downloaded = true;
-                        System.out.println(ZAnsi.yellow("Повторная попытка " + attempt + "/3..."));
+                            break;
-                        Thread.sleep(2000);
+                        } catch (Exception e) {
+                            if (attempt == 3 && mirrorUrl.equals(entry.getValue().get(entry.getValue().size() - 1))) throw e;
+                            System.out.println(ZAnsi.yellow("Retry " + attempt + "/3..."));
+                            try { Thread.sleep(2000); } catch (InterruptedException ignored) {}
+                        }
                     }
+                    if (downloaded) break;
                 }
             }
         }

launcher/launcher/src/main/java/sashegdev/zernmc/launcher/minecraft/installer/VersionInstaller.java

@@ -183,6 +183,7 @@ public class VersionInstaller {
         }
 
         CompletableFuture.allOf(futures.toArray(new CompletableFuture[0])).join();
+        executor.shutdown();
 
         ProgressBar.finish("Assets downloaded (" + success[0] + " ok, " + failed[0] + " skipped)");
 

launcher/launcher/src/main/java/sashegdev/zernmc/launcher/ui/ArrowMenu.java

@@ -59,7 +59,7 @@ public class ArrowMenu {
                     if (next == -1) {
                         return -1;
                     }
-                    if (next == 0x5B) { // '['
+                    if (next == 0x5B || next == 0x4F) { // '[' (CSI) or 'O' (SS3)
                         int arrow = nonBlockingRead();
                         if (arrow == 0x41) { // Up
                             selected = (selected - 1 + options.size()) % options.size();

launcher/launcher/src/main/java/sashegdev/zernmc/launcher/ui/jfx/JFXLauncher.java

@@ -14,14 +14,20 @@ import me.sashegdev.zernmc.launcher.auth.AuthManager;
 import me.sashegdev.zernmc.launcher.minecraft.Instance;
 import me.sashegdev.zernmc.launcher.minecraft.InstanceManager;
 import me.sashegdev.zernmc.launcher.minecraft.MinecraftLib;
+import me.sashegdev.zernmc.launcher.minecraft.PackDownloader;
+import me.sashegdev.zernmc.launcher.minecraft.ServerPack;
 import me.sashegdev.zernmc.launcher.minecraft.launch.LaunchCommandBuilder;
 import me.sashegdev.zernmc.launcher.utils.Config;
+import me.sashegdev.zernmc.launcher.utils.LauncherLogger;
 
+import java.awt.Desktop;
 import java.io.BufferedReader;
+import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.InputStreamReader;
 import java.net.HttpURLConnection;
+import me.sashegdev.zernmc.launcher.utils.ZHttpClient;
 import java.net.URL;
 import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
@@ -33,7 +39,9 @@ import java.nio.file.Paths;
 import java.nio.file.StandardOpenOption;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 import java.util.concurrent.Executors;
 import com.sun.net.httpserver.HttpServer;
@@ -41,7 +49,7 @@ import com.sun.net.httpserver.HttpExchange;
 import com.sun.net.httpserver.Headers;
 
 public class JFXLauncher extends Application {
-    private static final int PORT = 8080;
+    private static int PORT = 8080;
     private static final String APP_TITLE = "ZernMC Launcher";
     private static final String LAUNCHER_SERVER = System.getProperty("launcher.server", "http://87.120.187.36:1582");
     private final LauncherAPI api = new LauncherAPI();
@@ -57,6 +65,9 @@ public class JFXLauncher extends Application {
     private static volatile int installProgressCurrent = 0;
     private static volatile int installProgressTotal = 100;
     private static volatile boolean installInProgress = false;
+    private static volatile String installStageName = "";
+    private static volatile int installStageIndex = 0;
+    private static volatile int installStageCount = 1;
     
     private static final java.util.concurrent.CopyOnWriteArrayList<LogConsumer> logConsumers = new java.util.concurrent.CopyOnWriteArrayList<>();
     private static final java.util.concurrent.CopyOnWriteArrayList<LogConsumer> gameLogConsumers = new java.util.concurrent.CopyOnWriteArrayList<>();
@@ -87,6 +98,21 @@ public class JFXLauncher extends Application {
         installProgressTotal = total;
     }
 
+    public static void setInstallStage(String stageName, int stageIndex, int stageCount) {
+        installStageName = stageName;
+        installStageIndex = stageIndex;
+        installStageCount = stageCount;
+    }
+
+    public static void setInstallProgressWithStage(String label, int current, int total, String stageName, int stageIndex, int stageCount) {
+        installProgressLabel = label;
+        installProgressCurrent = current;
+        installProgressTotal = total;
+        installStageName = stageName;
+        installStageIndex = stageIndex;
+        installStageCount = stageCount;
+    }
+    
     public static void setInstallInProgress(boolean inProgress) {
         installInProgress = inProgress;
     }
@@ -95,30 +121,31 @@ public class JFXLauncher extends Application {
         return installInProgress;
     }
     
-    public static void appendLauncherLog(String log) {
+    public static void appendLauncherLog(String msg) {
         synchronized (launcherLogBuffer) {
-            launcherLogBuffer.append(log).append("\n");
+            launcherLogBuffer.append(msg).append("\n");
         }
+        LauncherLogger.info("[EXT] " + msg);
         for (LogConsumer consumer : logConsumers) {
-            try { consumer.onLog(log); } catch (Exception ignored) {}
+            try { consumer.onLog(msg); } catch (Exception ignored) {}
         }
     }
     
-    public static void appendGameLog(String log) {
+    public static void appendGameLog(String msg) {
-        System.out.println("[GAME] " + log);
         synchronized (gameLogBuffer) {
-            gameLogBuffer.append(log).append("\n");
+            gameLogBuffer.append(msg).append("\n");
             
             if (gameLogFile != null) {
                 try {
                     String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("HH:mm:ss"));
-                    Files.writeString(gameLogFile, "[" + timestamp + "] " + log + "\n", 
+                    Files.writeString(gameLogFile, "[" + timestamp + "] " + msg + "\n", 
                         StandardOpenOption.CREATE, StandardOpenOption.APPEND);
                 } catch (Exception ignored) {}
             }
         }
+        LauncherLogger.info("[GAME] " + msg);
         for (LogConsumer consumer : gameLogConsumers) {
-            try { consumer.onLog(log); } catch (Exception ignored) {}
+            try { consumer.onLog(msg); } catch (Exception ignored) {}
         }
     }
     
@@ -281,18 +308,37 @@ public class JFXLauncher extends Application {
         this.mainStage = stage;
 
         try {
-            // Initialize launcher log file
+            launcherLogFile = LauncherLogger.getLogFile();
-            Path logsDir = Paths.get("logs");
-            Files.createDirectories(logsDir);
-            launcherLogFile = logsDir.resolve("launcher.log");
-            Files.writeString(launcherLogFile, "=== Launcher Log " + LocalDateTime.now() + " ===\n",
-                StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING);
 
             extractAssets();
             log("Starting JFX UI...");
+            log("Loading saved session...");
+            boolean sessionLoaded = false;
+            try {
+                sessionLoaded = AuthManager.loadSavedSession();
+            } catch (Exception e) {
+                log("Session load error: " + e.getMessage());
+            }
+            if (sessionLoaded) {
+                log("Session loaded for: " + AuthManager.getUsername());
+                log("Pass active: " + AuthManager.hasActivePass());
+                log("Role: " + AuthManager.getRole() + " (" + AuthManager.getRoleName() + ")");
+            } else {
+                log("No saved session found, will show login screen");
+            }
+            log("Starting background network init...");
+            new Thread(() -> {
+                try {
+                    ZHttpClient.checkAllServicesOnStartup();
+                    log("Network init complete");
+                } catch (Exception e) {
+                    log("Network init warning: " + e.getMessage());
+                }
+            }, "network-init").start();
             startServer();
 
             WebView webView = new WebView();
+            webView.setContextMenuEnabled(false);
             WebEngine engine = webView.getEngine();
             engine.setJavaScriptEnabled(true);
 
@@ -305,14 +351,67 @@ public class JFXLauncher extends Application {
                 }
             });
             
-            engine.setOnAlert(e -> log("[UI] Alert: " + e.getData()));
+            // Capture JS console.log/error via alert bridge
+            engine.setOnAlert(e -> {
+                String msg = e.getData();
+                if (msg.startsWith("[LOG] ")) {
+                    System.out.println("[JS] " + msg.substring(6));
+                } else if (msg.startsWith("[ERR] ")) {
+                    System.err.println("[JS] " + msg.substring(6));
+                } else {
+                    log("[UI] Alert: " + msg);
+                }
+            });
+
+            engine.getLoadWorker().stateProperty().addListener((obs, oldState, newState) -> {
+                if (newState == Worker.State.SUCCEEDED) {
+                    // Override console.log/error to use alert bridge
+                    engine.executeScript(
+                        "if (!window._consoleOverridden) {" +
+                        "  window._consoleOverridden = true;" +
+                        "  var _origLog = console.log;" +
+                        "  var _origErr = console.error;" +
+                        "  console.log = function() {" +
+                        "    var args = Array.prototype.slice.call(arguments).map(function(a){return typeof a==='object'?JSON.stringify(a):String(a)});" +
+                        "    alert('[LOG] ' + args.join(' '));" +
+                        "    _origLog.apply(console, arguments);" +
+                        "  };" +
+                        "  console.error = function() {" +
+                        "    var args = Array.prototype.slice.call(arguments).map(function(a){return typeof a==='object'?JSON.stringify(a):String(a)});" +
+                        "    alert('[ERR] ' + args.join(' '));" +
+                        "    _origErr.apply(console, arguments);" +
+                        "  };" +
+                        "}"
+                    );
+                    engine.executeScript(
+                        "window.open = function(url, name, features) {" +
+                        "  var req = new XMLHttpRequest();" +
+                        "  req.open('POST', '/api/open-url', false);" +
+                        "  req.send(JSON.stringify({url: url}));" +
+                        "  return window;" +
+                        "};" +
+                        "document.addEventListener('click', function(e) {" +
+                        "  var target = e.target;" +
+                        "  while (target && target.tagName !== 'A') target = target.parentNode;" +
+                        "  if (target && target.href && target.href !== '#' && !target.href.startsWith('http://localhost:" + PORT + "/')) {" +
+                        "    e.preventDefault();" +
+                        "    var req = new XMLHttpRequest();" +
+                        "    req.open('POST', '/api/open-url', false);" +
+                        "    req.send(JSON.stringify({url: target.href}));" +
+                        "  }" +
+                        "}, true);"
+                    );
+                }
+            });
 
             String url = "http://localhost:" + PORT + "/assets/ui/index.html";
             engine.load(url);
 
             stage.setTitle(APP_TITLE);
-            stage.setWidth(1280);
+            int winW = Config.getWindowWidth();
-            stage.setHeight(800);
+            int winH = Config.getWindowHeight();
+            stage.setWidth(Math.max(winW, 800));
+            stage.setHeight(Math.max(winH, 600));
             stage.setMinWidth(800);
             stage.setMinHeight(600);
             stage.setScene(new Scene(webView));
@@ -335,7 +434,16 @@ public class JFXLauncher extends Application {
     }
 
     private void startServer() throws Exception {
-        server = HttpServer.create(new InetSocketAddress("localhost", PORT), 0);
+        int maxPortAttempts = 20;
+        for (int port = PORT; port < PORT + maxPortAttempts; port++) {
+            try {
+                server = HttpServer.create(new InetSocketAddress("127.0.0.1", port), 0);
+                PORT = port;
+                break;
+            } catch (java.net.BindException e) {
+                if (port == PORT + maxPortAttempts - 1) throw e;
+            }
+        }
 
         server.createContext("/api/login", this::handleLogin);
         server.createContext("/api/auto-login", this::handleAutoLogin);
@@ -354,9 +462,22 @@ public class JFXLauncher extends Application {
         server.createContext("/api/settings", this::handleSettings);
         server.createContext("/api/activate-pass", this::handleActivatePass);
         server.createContext("/api/register", this::handleRegister);
+        server.createContext("/api/pack-info", this::handlePackInfo);
         server.createContext("/api/shutdown", this::handleShutdown);
         server.createContext("/api/exit", this::handleExit);
+        server.createContext("/api/news", this::handleNews);
+        server.createContext("/api/open-url", this::handleOpenUrl);
         server.createContext("/api/exit-parent", this::handleExitParent);
+        server.createContext("/api/system-info", this::handleSystemInfo);
+        server.createContext("/api/open-log-file", this::handleOpenLogFile);
+        server.createContext("/api/friends/list", this::handleFriendList);
+        server.createContext("/api/friends/add", this::handleFriendAdd);
+        server.createContext("/api/friends/remove", this::handleFriendRemove);
+        server.createContext("/api/friends/accept", this::handleFriendAccept);
+        server.createContext("/api/friends/requests", this::handleFriendRequests);
+        server.createContext("/api/friends/status", this::handleFriendStatus);
+        server.createContext("/api/playtime/sync", this::handlePlaytimeSync);
+        server.createContext("/api/playtime/stats", this::handlePlaytimeStats);
         server.createContext("/assets/", this::handleStatic);
 
         server.setExecutor(Executors.newCachedThreadPool());
@@ -369,8 +490,51 @@ public class JFXLauncher extends Application {
         if (server != null) server.stop(0);
     }
 
+    private void handleSystemInfo(HttpExchange exchange) {
+        try {
+            Map<String, Object> info = new HashMap<>();
+            info.put("cpuCores", Config.getSystemCpuCores());
+            info.put("totalRamMB", Config.getSystemTotalRamMB());
+            info.put("systemJvmFlags", Config.getSystemJvmFlags());
+            sendJson(exchange, Map.of("success", true, "data", info));
+        } catch (Exception e) {
+            sendJson(exchange, Map.of("success", false, "error", e.getMessage()));
+        }
+    }
+
+    private void handleOpenLogFile(HttpExchange exchange) {
+        try {
+            if (gameLogFile != null && Files.exists(gameLogFile)) {
+                if (Desktop.isDesktopSupported()) {
+                    Desktop.getDesktop().open(gameLogFile.toFile());
+                    sendJson(exchange, Map.of("success", true));
+                } else {
+                    sendJson(exchange, Map.of("success", false, "error", "Desktop not supported"));
+                }
+            } else {
+                sendJson(exchange, Map.of("success", false, "error", "No game log file found"));
+            }
+        } catch (Exception e) {
+            sendJson(exchange, Map.of("success", false, "error", e.getMessage()));
+        }
+    }
+
+    private void handleOpenUrl(HttpExchange exchange) {
+        try {
+            Map<String, String> body = parseJson(exchange.getRequestBody());
+            String url = body.get("url");
+            if (url != null && !url.isEmpty()) {
+                openInBrowser(url);
+            }
+            sendJson(exchange, Map.of("success", true));
+        } catch (Exception e) {
+            sendJson(exchange, Map.of("success", false, "error", e.getMessage()));
+        }
+    }
+
     private void handleLogin(HttpExchange exchange) {
         try {
+            log("handleLogin: " + exchange.getRequestMethod() + " from " + exchange.getRemoteAddress());
             if (!"POST".equals(exchange.getRequestMethod())) {
                 sendJson(exchange, Map.of("success", false, "error", "Method not supported"));
                 return;
@@ -385,19 +549,27 @@ public class JFXLauncher extends Application {
                 Map<String, Object> data = new HashMap<>();
                 data.put("username", result.getData().getUsername());
                 data.put("token", result.getData().getToken());
+                data.put("passActive", AuthManager.hasActivePass());
+                data.put("role", AuthManager.getRole());
+                data.put("roleName", AuthManager.getRoleName());
                 sendJson(exchange, Map.of("success", true, "data", data));
-                log("Login: " + username);
+                log("Login success: " + username);
             } else {
+                log("Login failed: " + result.getError());
                 sendJson(exchange, Map.of("success", false, "error", result.getError()));
             }
         } catch (Exception e) {
+            log("Login error: " + e.getMessage());
+            e.printStackTrace();
             sendJson(exchange, Map.of("success", false, "error", e.getMessage()));
         }
     }
 
     private void handleAccount(HttpExchange exchange) {
         try {
+            log("handleAccount: isLoggedIn=" + api.isLoggedIn());
             if (!api.isLoggedIn()) {
+                log("handleAccount: not authenticated");
                 sendJson(exchange, Map.of("success", false, "error", "Not authenticated"));
                 return;
             }
@@ -414,18 +586,27 @@ public class JFXLauncher extends Application {
     
     private void handleAutoLogin(HttpExchange exchange) {
         try {
-            if (AuthManager.loadSavedSession()) {
+            boolean loggedIn = AuthManager.isLoggedIn();
+            boolean authExists = AuthManager.authFileExists();
+            System.out.println("[AUTH] handleAutoLogin: isLoggedIn=" + loggedIn + " authFile=" + authExists);
+            log("handleAutoLogin: isLoggedIn=" + loggedIn + " authFile=" + authExists);
+            if (AuthManager.tryAutoLogin()) {
                 Map<String, Object> data = new HashMap<>();
                 data.put("username", AuthManager.getUsername());
                 data.put("passActive", AuthManager.hasActivePass());
                 data.put("role", AuthManager.getRole());
                 data.put("roleName", AuthManager.getRoleName());
                 sendJson(exchange, Map.of("success", true, "data", data, "autoLogin", true));
+                System.out.println("[AUTH] Auto-login performed: " + AuthManager.getUsername());
                 log("Auto-login performed: " + AuthManager.getUsername());
             } else {
+                System.out.println("[AUTH] handleAutoLogin: no valid session (authFile=" + authExists + ")");
+                log("handleAutoLogin: no valid session (authFile=" + authExists + ")");
                 sendJson(exchange, Map.of("success", false, "autoLogin", false));
             }
         } catch (Exception e) {
+            System.out.println("[AUTH] handleAutoLogin error: " + e.getMessage());
+            log("handleAutoLogin error: " + e.getMessage());
             sendJson(exchange, Map.of("success", false, "error", e.getMessage()));
         }
     }
@@ -461,7 +642,11 @@ public class JFXLauncher extends Application {
                 sendJson(exchange, Map.of("success", false, "error", "Pack not found"));
                 return;
             }
+            
+            log("handleLaunch: " + name + " isServerPack=" + instance.isServerPack() + " hasPass=" + AuthManager.hasActivePass() + " isLoggedIn=" + api.isLoggedIn());
+            
             if (instance.isServerPack() && !AuthManager.hasActivePass()) {
+                log("handleLaunch: server pack requires active pass");
                 sendJson(exchange, Map.of("success", false, "error", "Server pack requires an active pass"));
                 return;
             }
@@ -472,11 +657,13 @@ public class JFXLauncher extends Application {
                 data.put("pid", result.getData().getPid());
                 data.put("status", result.getData().getStatus());
                 sendJson(exchange, Map.of("success", true, "data", data));
-                log("Launched: " + name);
+                log("Launched: " + name + " pid=" + result.getData().getPid());
             } else {
+                log("Launch failed: " + result.getError());
                 sendJson(exchange, Map.of("success", false, "error", result.getError()));
             }
         } catch (Exception e) {
+            log("handleLaunch error: " + e.getMessage());
             sendJson(exchange, Map.of("success", false, "error", e.getMessage()));
         }
     }
@@ -509,37 +696,67 @@ public class JFXLauncher extends Application {
 
             Instance instance = InstanceManager.getInstance(name);
             if (instance != null) {
-                instance.setMinecraftVersion(version);
+                if (!"zernmc".equalsIgnoreCase(loader)) {
-                instance.setLoaderType(loader);
+                    instance.setMinecraftVersion(version);
-                if (loaderVersion != null) {
+                    instance.setLoaderType(loader);
-                    instance.setLoaderVersion(loaderVersion);
+                    if (loaderVersion != null) {
+                        instance.setLoaderVersion(loaderVersion);
+                    }
                 }
                 
                 sendJson(exchange, Map.of("success", true, "message", "Installation started"));
                 
                 setInstallInProgress(true);
-                setInstallProgress("Preparing...", 0, 100);
+                setInstallProgressWithStage("Preparing...", 0, 100, "Preparing", 0, 4);
                 
                 Thread installThread = new Thread(() -> {
                     try {
-                        MinecraftLib lib = new MinecraftLib(instance);
-                        
                         boolean success = false;
-                        if ("vanilla".equalsIgnoreCase(loader)) {
+                        
-                            success = lib.installMinecraft(version);
+                        if ("zernmc".equalsIgnoreCase(loader)) {
+                            setInstallProgressWithStage("Fetching pack info...", 10, 100, "Fetching pack info", 1, 4);
+                            PackDownloader downloader = new PackDownloader(instance);
+                            var packs = downloader.getAvailablePacks();
+                            ServerPack pack = null;
+                            for (ServerPack p : packs) {
+                                if (p.getName().equals(version)) {
+                                    pack = p;
+                                    break;
+                                }
+                            }
+                            if (pack != null) {
+                                setInstallProgressWithStage("Downloading pack files...", 30, 100, "Downloading", 2, 4);
+                                success = downloader.installOrUpdatePack(version, pack);
+                                if (success) {
+                                    setInstallProgressWithStage("Finalizing...", 90, 100, "Finalizing", 3, 4);
+                                }
+                            } else {
+                                log("Install error: pack not found on server: " + version + " (available: " + (packs != null ? packs.size() : 0) + ")");
+                            }
                         } else {
-                            success = lib.installPack(name, version, loader, loaderVersion != null ? loaderVersion : "");
+                            MinecraftLib lib = new MinecraftLib(instance);
+                            setInstallProgressWithStage("Installing Minecraft...", 20, 100, "Installing Minecraft", 1, 3);
+                            if ("vanilla".equalsIgnoreCase(loader)) {
+                                success = lib.installMinecraft(version);
+                            } else {
+                                setInstallProgressWithStage("Installing loader...", 30, 100, "Installing loader", 1, 3);
+                                success = lib.installPack(name, version, loader, loaderVersion != null ? loaderVersion : "");
+                            }
+                            setInstallProgressWithStage("Finalizing...", 90, 100, "Finalizing", 2, 3);
                         }
                         
                         setInstallInProgress(false);
                         if (success) {
+                            setInstallProgressWithStage("Installation complete!", 100, 100, "Done", 0, 1);
                             log("Installed: " + name);
                         } else {
+                            setInstallProgressWithStage("Installation failed", 0, 100, "Failed", 0, 1);
                             log("Install error: " + name);
                         }
                     } catch (Exception e) {
                         log("Install error: " + e.getMessage());
                         setInstallInProgress(false);
+                        setInstallProgressWithStage("Error: " + e.getMessage(), 0, 100, "Error", 0, 1);
                     }
                 });
                 installThread.setDaemon(true);
@@ -561,6 +778,9 @@ public class JFXLauncher extends Application {
             progress.put("current", installProgressCurrent);
             progress.put("total", installProgressTotal);
             progress.put("inProgress", installInProgress);
+            progress.put("stageName", installStageName);
+            progress.put("stageIndex", installStageIndex);
+            progress.put("stageCount", Math.max(installStageCount, 1));
             
             if (installInProgress && installProgressTotal > 0) {
                 progress.put("percent", (int) ((installProgressCurrent * 100.0) / installProgressTotal));
@@ -579,6 +799,7 @@ public class JFXLauncher extends Application {
     }
 
     private void handleLogsStream(HttpExchange exchange) {
+        final LogConsumer[] consumerRef = new LogConsumer[1];
         try {
             exchange.getResponseHeaders().set("Content-Type", "text/event-stream");
             exchange.getResponseHeaders().set("Cache-Control", "no-cache");
@@ -586,7 +807,6 @@ public class JFXLauncher extends Application {
             exchange.sendResponseHeaders(200, 0);
 
             final OutputStream os = exchange.getResponseBody();
-            int[] lastLength = {getLauncherLogs().length()};
 
             LogConsumer consumer = new LogConsumer() {
                 @Override
@@ -600,25 +820,30 @@ public class JFXLauncher extends Application {
                     }
                 }
             };
+            consumerRef[0] = consumer;
 
             addLogConsumer(consumer);
 
+            Thread.currentThread().setName("sse-logs-stream");
             while (!Thread.currentThread().isInterrupted()) {
-                Thread.sleep(10000);
+                try {
+                    os.write(": heartbeat\n\n".getBytes(StandardCharsets.UTF_8));
+                    os.flush();
+                    Thread.sleep(10000);
+                } catch (InterruptedException e) { break; } catch (Exception e) { break; }
             }
         } catch (Exception ignored) {} finally {
-            removeLogConsumer(consumer);
+            if (consumerRef[0] != null) removeLogConsumer(consumerRef[0]);
             try { exchange.getResponseBody().close(); } catch (Exception ignored) {}
         }
     }
 
-    private LogConsumer consumer = null;
-
     private void handleGameLogs(HttpExchange exchange) {
         sendJson(exchange, Map.of("success", true, "data", getGameLogs()));
     }
 
     private void handleGameLogsStream(HttpExchange exchange) {
+        final LogConsumer[] consumerRef = new LogConsumer[1];
         try {
             exchange.getResponseHeaders().set("Content-Type", "text/event-stream");
             exchange.getResponseHeaders().set("Cache-Control", "no-cache");
@@ -627,7 +852,7 @@ public class JFXLauncher extends Application {
 
             final OutputStream os = exchange.getResponseBody();
 
-            consumer = new LogConsumer() {
+            LogConsumer consumer = new LogConsumer() {
                 @Override
                 public synchronized void onLog(String line) {
                     try {
@@ -639,17 +864,20 @@ public class JFXLauncher extends Application {
                     }
                 }
             };
+            consumerRef[0] = consumer;
 
             addGameLogConsumer(consumer);
 
+            Thread.currentThread().setName("sse-game-logs-stream");
             while (!Thread.currentThread().isInterrupted()) {
-                Thread.sleep(10000);
+                try {
+                    os.write(": heartbeat\n\n".getBytes(StandardCharsets.UTF_8));
+                    os.flush();
+                    Thread.sleep(10000);
+                } catch (InterruptedException e) { break; } catch (Exception e) { break; }
             }
         } catch (Exception ignored) {} finally {
-            if (consumer != null) {
+            if (consumerRef[0] != null) removeGameLogConsumer(consumerRef[0]);
-                removeGameLogConsumer(consumer);
-            }
-            consumer = null;
             try { exchange.getResponseBody().close(); } catch (Exception ignored) {}
         }
     }
@@ -697,6 +925,26 @@ public class JFXLauncher extends Application {
         }
     }
 
+    private void handleNews(HttpExchange exchange) {
+        try {
+            var url = new java.net.URL(ZHttpClient.getBaseUrl() + "/news");
+            var conn = (HttpURLConnection) url.openConnection();
+            conn.setRequestMethod("GET");
+            conn.setConnectTimeout(5000);
+            conn.setReadTimeout(5000);
+            int code = conn.getResponseCode();
+            if (code == 200) {
+                byte[] body = conn.getInputStream().readAllBytes();
+                var raw = new String(body, java.nio.charset.StandardCharsets.UTF_8);
+                sendJson(exchange, Map.of("success", true, "data", raw));
+            } else {
+                sendJson(exchange, Map.of("success", false, "error", "Server returned " + code));
+            }
+        } catch (Exception e) {
+            sendJson(exchange, Map.of("success", false, "error", e.getMessage()));
+        }
+    }
+
     private void handleActivatePass(HttpExchange exchange) {
         try {
             if (!api.isLoggedIn()) {
@@ -704,7 +952,7 @@ public class JFXLauncher extends Application {
                 return;
             }
             Map<String, String> body = parseJson(exchange.getRequestBody());
-            String code = body.get("code");
+            String code = body.get("pass_code");
             if (code == null || code.isEmpty()) {
                 sendJson(exchange, Map.of("success", false, "error", "Enter pass code"));
                 return;
@@ -735,6 +983,9 @@ public class JFXLauncher extends Application {
                 Map<String, Object> data = new HashMap<>();
                 data.put("username", result.getData().getUsername());
                 data.put("token", result.getData().getToken());
+                data.put("passActive", AuthManager.hasActivePass());
+                data.put("role", AuthManager.getRole());
+                data.put("roleName", AuthManager.getRoleName());
                 sendJson(exchange, Map.of("success", true, "data", data));
                 log("Registered: " + username);
             } else {
@@ -745,8 +996,76 @@ public class JFXLauncher extends Application {
         }
     }
 
+    private void handlePackInfo(HttpExchange exchange) {
+        try {
+            Map<String, String> params = parseQuery(exchange.getRequestURI().getQuery());
+            String name = params.get("name");
+            if (name == null || name.isEmpty()) {
+                sendJson(exchange, Map.of("success", false, "error", "Missing pack name"));
+                return;
+            }
+            Instance instance = InstanceManager.getInstance(name);
+            if (instance == null) {
+                sendJson(exchange, Map.of("success", false, "error", "Pack not found"));
+                return;
+            }
+            Path dir = instance.getPath();
+            Map<String, Object> info = new HashMap<>();
+            
+            int modsCount = 0;
+            Path modsDir = dir.resolve("mods");
+            if (Files.exists(modsDir)) {
+                try (var files = Files.list(modsDir)) {
+                    modsCount = (int) files.filter(p -> p.toString().endsWith(".jar")).count();
+                }
+            }
+            info.put("modsCount", modsCount);
+            
+            List<String> screenshots = new ArrayList<>();
+            Path screenshotsDir = dir.resolve("screenshots");
+            if (Files.exists(screenshotsDir)) {
+                try (var files = Files.list(screenshotsDir)) {
+                    files.filter(p -> {
+                        String n = p.getFileName().toString().toLowerCase();
+                        return n.endsWith(".png") || n.endsWith(".jpg");
+                    }).limit(20).forEach(p -> screenshots.add(p.getFileName().toString()));
+                }
+            }
+            info.put("screenshots", screenshots);
+            
+            List<String> worlds = new ArrayList<>();
+            Path savesDir = dir.resolve("saves");
+            if (Files.exists(savesDir)) {
+                try (var dirs = Files.list(savesDir)) {
+                    dirs.filter(Files::isDirectory).limit(20).forEach(p -> worlds.add(p.getFileName().toString()));
+                }
+            }
+            info.put("worlds", worlds);
+            
+            List<String> recentLogs = new ArrayList<>();
+            Path logsDir = dir.resolve("logs");
+            if (Files.exists(logsDir)) {
+                try (var files = Files.list(logsDir)) {
+                    files.filter(p -> p.toString().endsWith(".log") || p.toString().endsWith(".txt"))
+                         .sorted((a, b) -> {
+                             try { return Long.compare(Files.getLastModifiedTime(b).toMillis(), Files.getLastModifiedTime(a).toMillis()); }
+                             catch (Exception e) { return 0; }
+                         })
+                         .limit(5)
+                         .forEach(p -> recentLogs.add(p.getFileName().toString()));
+                }
+            }
+            info.put("recentLogs", recentLogs);
+            
+            sendJson(exchange, Map.of("success", true, "data", info));
+        } catch (Exception e) {
+            sendJson(exchange, Map.of("success", false, "error", e.getMessage()));
+        }
+    }
+
     private void handleSettings(HttpExchange exchange) {
         try {
+            log("handleSettings: " + exchange.getRequestMethod());
             if ("POST".equals(exchange.getRequestMethod())) {
                 Map<String, String> body = parseJson(exchange.getRequestBody());
                 if (body.containsKey("maxMemory")) {
@@ -764,7 +1083,16 @@ public class JFXLauncher extends Application {
                 if (body.containsKey("javaPath")) {
                     Config.setJavaPath(body.get("javaPath"));
                 }
-                sendJson(exchange, Map.of("success", true));
+                if (body.containsKey("locale")) {
+                    Config.setLocale(body.get("locale"));
+                }
+                if (body.containsKey("systemBasedJvm")) {
+                    Config.setSystemBasedJvm(Boolean.parseBoolean(body.get("systemBasedJvm")));
+                }
+                Map<String, Object> res = new HashMap<>();
+                res.put("success", true);
+                res.put("maxMemory", Config.getMaxMemory());
+                sendJson(exchange, res);
                 return;
             }
             Map<String, Object> data = new HashMap<>();
@@ -775,6 +1103,10 @@ public class JFXLauncher extends Application {
             data.put("windowHeight", Config.getWindowHeight());
             data.put("extraJvmArgs", Config.getExtraJvmArgs());
             data.put("javaPath", Config.getJavaPath());
+            data.put("locale", Config.getLocale());
+            data.put("systemBasedJvm", Config.isSystemBasedJvm());
+            data.put("cpuCores", Config.getSystemCpuCores());
+            data.put("totalRamMB", Config.getSystemTotalRamMB());
             sendJson(exchange, Map.of("success", true, "data", data));
         } catch (Exception e) {
             sendJson(exchange, Map.of("success", false, "error", e.getMessage()));
@@ -824,9 +1156,17 @@ public class JFXLauncher extends Application {
             log("[UI] Request: " + path);
 
             String relativePath = path.startsWith("/") ? path.substring(1) : path;
-            Path file = Paths.get(relativePath).toAbsolutePath();
+            Path file = Paths.get(relativePath).toAbsolutePath().normalize();
+            Path assetsDir = Paths.get("assets").toAbsolutePath().normalize();
 
-            if (!Files.exists(file)) {
+            if (!file.startsWith(assetsDir)) {
+                log("[UI] Forbidden: " + file);
+                exchange.sendResponseHeaders(403, 0);
+                exchange.close();
+                return;
+            }
+
+            if (!Files.exists(file) || Files.isDirectory(file)) {
                 log("[UI] File not found: " + file);
                 exchange.sendResponseHeaders(404, 0);
                 exchange.close();
@@ -853,15 +1193,51 @@ public class JFXLauncher extends Application {
         return "text/plain";
     }
 
-    @SuppressWarnings("unchecked")
     private Map<String, String> parseJson(InputStream body) {
         try {
-            return gson.fromJson(new String(body.readAllBytes(), StandardCharsets.UTF_8), Map.class);
+            byte[] rawBytes = body.readAllBytes();
+            log("parseJson: " + rawBytes.length + " bytes");
+            String raw = new String(rawBytes, StandardCharsets.UTF_8);
+            Map<?, ?> rawMap = gson.fromJson(raw, Map.class);
+            Map<String, String> result = new HashMap<>();
+            if (rawMap != null) {
+                for (Map.Entry<?, ?> entry : rawMap.entrySet()) {
+                    String key = entry.getKey() != null ? entry.getKey().toString() : null;
+                    String value = null;
+                    Object v = entry.getValue();
+                    if (v instanceof Number) {
+                        Number n = (Number) v;
+                        if (n.doubleValue() == n.longValue()) {
+                            value = String.valueOf(n.longValue());
+                        } else {
+                            value = String.valueOf(n.doubleValue());
+                        }
+                    } else {
+                        value = v != null ? v.toString() : null;
+                    }
+                    if (key != null) result.put(key, value);
+                }
+            }
+            return result;
         } catch (Exception e) {
+            log("parseJson error: " + e.getMessage());
             return new HashMap<>();
         }
     }
 
+    private void openInBrowser(String url) {
+        if (url == null || url.isEmpty()) return;
+        try {
+            java.awt.Desktop.getDesktop().browse(new java.net.URI(url));
+        } catch (Exception e) {
+            try {
+                new ProcessBuilder("xdg-open", url).start();
+            } catch (Exception e2) {
+                log("Failed to open browser: " + e2.getMessage());
+            }
+        }
+    }
+
     private void sendJson(HttpExchange exchange, Map<String, Object> response) {
         try {
             String json = gson.toJson(response);
@@ -870,21 +1246,135 @@ public class JFXLauncher extends Application {
             exchange.sendResponseHeaders(200, bytes.length);
             exchange.getResponseBody().write(bytes);
             exchange.close();
-        } catch (Exception ignored) {}
+        } catch (Exception e) {
+            log("sendJson error: " + e.getMessage());
+        }
+    }
+
+    private void sendRawJson(HttpExchange exchange, String json) {
+        try {
+            byte[] bytes = json.getBytes(StandardCharsets.UTF_8);
+            exchange.getResponseHeaders().set("Content-Type", "application/json; charset=utf-8");
+            exchange.sendResponseHeaders(200, bytes.length);
+            exchange.getResponseBody().write(bytes);
+            exchange.close();
+        } catch (Exception e) {
+            log("sendRawJson error: " + e.getMessage());
+        }
+    }
+
+    private String readBody(HttpExchange exchange) throws IOException {
+        return new String(exchange.getRequestBody().readAllBytes(), StandardCharsets.UTF_8);
+    }
+
+    private String remoteApiCall(String method, String path, String body) throws Exception {
+        URL url = new URL(LAUNCHER_SERVER + path);
+        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
+        conn.setRequestMethod(method);
+        conn.setRequestProperty("Content-Type", "application/json");
+        conn.setRequestProperty("User-Agent", "ZernMC-Launcher/1.0");
+        String token = me.sashegdev.zernmc.launcher.auth.AuthManager.getAccessToken();
+        if (token != null && !token.isEmpty() && !token.equals("0")) {
+            conn.setRequestProperty("Authorization", "Bearer " + token);
+        }
+        conn.setConnectTimeout(10000);
+        conn.setReadTimeout(15000);
+        if (body != null && !body.isEmpty()) {
+            conn.setDoOutput(true);
+            try (OutputStream os = conn.getOutputStream()) {
+                os.write(body.getBytes(StandardCharsets.UTF_8));
+            }
+        }
+        int code = conn.getResponseCode();
+        try (InputStream is = code >= 400 ? conn.getErrorStream() : conn.getInputStream()) {
+            return new String(is.readAllBytes(), StandardCharsets.UTF_8);
+        }
+    }
+
+    private void handleFriendList(HttpExchange exchange) {
+        try {
+            String response = remoteApiCall("GET", "/api/friends/list", null);
+            sendRawJson(exchange, response);
+        } catch (Exception e) {
+            sendJson(exchange, Map.of("success", false, "error", e.getMessage()));
+        }
+    }
+
+    private void handleFriendAdd(HttpExchange exchange) {
+        try {
+            String body = readBody(exchange);
+            String response = remoteApiCall("POST", "/api/friends/add", body);
+            sendRawJson(exchange, response);
+        } catch (Exception e) {
+            sendJson(exchange, Map.of("success", false, "error", e.getMessage()));
+        }
+    }
+
+    private void handleFriendRemove(HttpExchange exchange) {
+        try {
+            String body = readBody(exchange);
+            String response = remoteApiCall("POST", "/api/friends/remove", body);
+            sendRawJson(exchange, response);
+        } catch (Exception e) {
+            sendJson(exchange, Map.of("success", false, "error", e.getMessage()));
+        }
+    }
+
+    private void handleFriendAccept(HttpExchange exchange) {
+        try {
+            String body = readBody(exchange);
+            String response = remoteApiCall("POST", "/api/friends/accept", body);
+            sendRawJson(exchange, response);
+        } catch (Exception e) {
+            sendJson(exchange, Map.of("success", false, "error", e.getMessage()));
+        }
+    }
+
+    private void handleFriendRequests(HttpExchange exchange) {
+        try {
+            String response = remoteApiCall("GET", "/api/friends/requests", null);
+            sendRawJson(exchange, response);
+        } catch (Exception e) {
+            sendJson(exchange, Map.of("success", false, "error", e.getMessage()));
+        }
+    }
+
+    private void handleFriendStatus(HttpExchange exchange) {
+        try {
+            String body = readBody(exchange);
+            String response = remoteApiCall("POST", "/api/friends/status", body);
+            sendRawJson(exchange, response);
+        } catch (Exception e) {
+            sendJson(exchange, Map.of("success", false, "error", e.getMessage()));
+        }
+    }
+
+    private void handlePlaytimeSync(HttpExchange exchange) {
+        try {
+            String body = readBody(exchange);
+            String response = remoteApiCall("POST", "/api/playtime/sync", body);
+            sendRawJson(exchange, response);
+        } catch (Exception e) {
+            sendJson(exchange, Map.of("success", false, "error", e.getMessage()));
+        }
+    }
+
+    private void handlePlaytimeStats(HttpExchange exchange) {
+        try {
+            String response = remoteApiCall("GET", "/api/playtime/stats", null);
+            sendRawJson(exchange, response);
+        } catch (Exception e) {
+            sendJson(exchange, Map.of("success", false, "error", e.getMessage()));
+        }
     }
 
     private void log(String msg) {
-        String entry = "[" + java.time.LocalTime.now() + "] " + msg + "\n";
+        String timestamp = java.time.LocalTime.now().format(java.time.format.DateTimeFormatter.ofPattern("HH:mm:ss"));
+        String entry = "[" + timestamp + "] " + msg;
         synchronized (launcherLogBuffer) {
-            launcherLogBuffer.append(entry);
+            launcherLogBuffer.append(entry).append("\n");
-        }
-        System.out.println("[JFX] " + msg);
-        if (launcherLogFile != null) {
-            try {
-                Files.writeString(launcherLogFile, entry,
-                    StandardOpenOption.CREATE, StandardOpenOption.APPEND);
-            } catch (Exception ignored) {}
         }
+        LauncherLogger.info("[JFX] " + msg);
         for (LogConsumer consumer : logConsumers) {
             try { consumer.onLog(entry); } catch (Exception ignored) {}
         }

launcher/launcher/src/main/java/sashegdev/zernmc/launcher/utils/Config.java

@@ -14,17 +14,22 @@ public class Config {
 
     private static final Properties props = new Properties();
 
-    private static int maxMemory = 4096;
+    private static volatile int maxMemory = 4096;
-    private static String serverUrl = "http://87.120.187.36:1582";
+    private static volatile String serverUrl = "http://87.120.187.36:1582";
-    private static String lastUsername = "Player";
+    private static volatile String lastUsername = "Player";
-    private static int windowWidth = 1280;
+    private static volatile int windowWidth = 1280;
-    private static int windowHeight = 720;
+    private static volatile int windowHeight = 720;
-    private static String extraJvmArgs = "";
+    private static volatile String extraJvmArgs = "";
-    private static String javaPath = "java";
+    private static volatile String javaPath = "java";
+    private static volatile boolean ramManuallySet = false;
+    private static volatile String locale = "en";
+    private static volatile boolean systemBasedJvm = false;
 
     static {
         load();
-        applySmartRamRecommendation();
+        if (!ramManuallySet) {
+            applySmartRamRecommendation();
+        }
     }
 
     private static void load() {
@@ -36,13 +41,28 @@ public class Config {
                 }
             }
 
-            maxMemory = Integer.parseInt(props.getProperty("maxMemory", "4096"));
+            try {
+                maxMemory = Integer.parseInt(props.getProperty("maxMemory", "4096"));
+            } catch (NumberFormatException e) {
+                System.err.println(ZAnsi.yellow("Config: invalid maxMemory value, using default"));
+            }
+            ramManuallySet = Boolean.parseBoolean(props.getProperty("ramManuallySet", "false"));
             serverUrl = props.getProperty("serverUrl", serverUrl);
             lastUsername = props.getProperty("lastUsername", lastUsername);
-            windowWidth = Integer.parseInt(props.getProperty("windowWidth", "1280"));
+            try {
-            windowHeight = Integer.parseInt(props.getProperty("windowHeight", "720"));
+                windowWidth = Integer.parseInt(props.getProperty("windowWidth", "1280"));
+            } catch (NumberFormatException e) {
+                System.err.println(ZAnsi.yellow("Config: invalid windowWidth value, using default"));
+            }
+            try {
+                windowHeight = Integer.parseInt(props.getProperty("windowHeight", "720"));
+            } catch (NumberFormatException e) {
+                System.err.println(ZAnsi.yellow("Config: invalid windowHeight value, using default"));
+            }
             extraJvmArgs = props.getProperty("extraJvmArgs", "");
             javaPath = props.getProperty("javaPath", "java");
+            locale = props.getProperty("locale", "en");
+            systemBasedJvm = Boolean.parseBoolean(props.getProperty("systemBasedJvm", "false"));
 
         } catch (Exception e) {
             System.err.println(ZAnsi.brightRed("Failed to load config: ") + e.getMessage());
@@ -52,12 +72,15 @@ public class Config {
     public static void save() {
         try {
             props.setProperty("maxMemory", String.valueOf(maxMemory));
+            props.setProperty("ramManuallySet", String.valueOf(ramManuallySet));
             props.setProperty("serverUrl", serverUrl);
             props.setProperty("lastUsername", lastUsername);
             props.setProperty("windowWidth", String.valueOf(windowWidth));
             props.setProperty("windowHeight", String.valueOf(windowHeight));
             props.setProperty("extraJvmArgs", extraJvmArgs);
             props.setProperty("javaPath", javaPath);
+            props.setProperty("locale", locale);
+            props.setProperty("systemBasedJvm", String.valueOf(systemBasedJvm));
 
             try (var os = Files.newOutputStream(CONFIG_FILE)) {
                 props.store(os, "ZernMC Launcher Configuration");
@@ -68,20 +91,44 @@ public class Config {
     }
 
     private static void applySmartRamRecommendation() {
-        long totalRamMB = Runtime.getRuntime().maxMemory() / (1024 * 1024);
+        long totalRamMB = getTotalSystemRamMB();
+        if (totalRamMB <= 0) return;
 
-        long recommended = (long) (totalRamMB * 0.70);
+        long recommended;
+        if (totalRamMB <= 8192) {
+            recommended = 2560;
+        } else if (totalRamMB <= 12288) {
+            recommended = 3072;
+        } else if (totalRamMB <= 16384) {
+            recommended = 4096;
+        } else {
+            recommended = 5120;
+        }
 
-        recommended = Math.max(1536, recommended);
+        if (Math.abs(maxMemory - recommended) > 512) {
-        recommended = Math.min(recommended, totalRamMB - 1024);
-
-        if (Math.abs(maxMemory - recommended) > 1024) {
             maxMemory = (int) recommended;
             save();
             System.out.println(ZAnsi.cyan("Auto-recommended RAM: " + maxMemory + " MB"));
         }
     }
 
+    public static void resetRamRecommendation() {
+        ramManuallySet = false;
+        applySmartRamRecommendation();
+    }
+
+    private static long getTotalSystemRamMB() {
+        try {
+            Class<?> beanClass = Class.forName("com.sun.management.OperatingSystemMXBean");
+            java.lang.management.OperatingSystemMXBean osBean = java.lang.management.ManagementFactory.getOperatingSystemMXBean();
+            if (beanClass.isInstance(osBean)) {
+                Object totalBytes = beanClass.getMethod("getTotalMemorySize").invoke(osBean);
+                return ((Number) totalBytes).longValue() / (1024 * 1024);
+            }
+        } catch (Exception ignored) {}
+        return 0;
+    }
+
     public static int getMaxMemory() {
         return maxMemory;
     }
@@ -99,6 +146,7 @@ public class Config {
         if (memory > 32768) memory = 32768;
 
         maxMemory = memory;
+        ramManuallySet = true;
         save();
     }
 
@@ -163,6 +211,55 @@ public class Config {
         save();
     }
 
+    public static String getLocale() {
+        return locale;
+    }
+
+    public static void setLocale(String lang) {
+        if (lang != null && (lang.equals("en") || lang.equals("ru"))) {
+            locale = lang;
+            save();
+        }
+    }
+
+    public static boolean isSystemBasedJvm() {
+        return systemBasedJvm;
+    }
+
+    public static void setSystemBasedJvm(boolean enabled) {
+        systemBasedJvm = enabled;
+        save();
+    }
+
+    public static int getSystemCpuCores() {
+        return Runtime.getRuntime().availableProcessors();
+    }
+
+    public static long getSystemTotalRamMB() {
+        long totalMb = getTotalSystemRamMB();
+        if (totalMb > 0) return totalMb;
+        return Runtime.getRuntime().maxMemory() / (1024 * 1024);
+    }
+
+    public static String getSystemJvmFlags() {
+        int cores = getSystemCpuCores();
+        long ramMB = getSystemTotalRamMB();
+        StringBuilder sb = new StringBuilder();
+        sb.append("-XX:ParallelGCThreads=").append(Math.max(1, cores));
+        sb.append(" -XX:ConcGCThreads=").append(Math.max(1, cores / 2));
+        sb.append(" -XX:+AlwaysPreTouch");
+        if (ramMB >= 8192) {
+            sb.append(" -XX:+UseZGC");
+            sb.append(" -XX:ZAllocationSpikeTolerance=2.0");
+        } else {
+            sb.append(" -XX:+UseG1GC");
+            sb.append(" -XX:MaxGCPauseMillis=50");
+            sb.append(" -XX:G1HeapRegionSize=16M");
+        }
+        sb.append(" -Xss4M");
+        return sb.toString();
+    }
+
     public static String getRamInfo() {
         long totalMB = Runtime.getRuntime().maxMemory() / (1024 * 1024);
         return "Available RAM: " + totalMB + " MB | Recommended: " + maxMemory + " MB";

launcher/launcher/src/main/java/sashegdev/zernmc/launcher/utils/LauncherLogger.java

@@ -0,0 +1,95 @@
+package me.sashegdev.zernmc.launcher.utils;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardOpenOption;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.concurrent.locks.ReentrantLock;
+
+public class LauncherLogger {
+
+    private static Path logFile;
+    private static boolean initialized = false;
+    private static final ReentrantLock lock = new ReentrantLock();
+
+    public static synchronized void init() {
+        if (initialized) return;
+        initialized = true;
+
+        try {
+            Path logsDir = Paths.get(System.getProperty("user.home"), ".zernmc", "logs");
+            Files.createDirectories(logsDir);
+            logFile = logsDir.resolve("launcher.log");
+
+            Files.writeString(logFile,
+                "=== Launcher Log " + LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")) + " ===\n",
+                StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING);
+
+            System.out.println("[LauncherLogger] initialized, log: " + logFile.toAbsolutePath());
+        } catch (Exception e) {
+            System.err.println("[LauncherLogger] init error: " + e.getMessage());
+            e.printStackTrace();
+        }
+    }
+
+    public static Path getLogFile() {
+        return logFile;
+    }
+
+    public static void info(String msg) {
+        write("INFO", msg, null);
+    }
+
+    public static void warn(String msg) {
+        write("WARN", msg, null);
+    }
+
+    public static void error(String msg) {
+        write("ERROR", msg, null);
+    }
+
+    public static void error(String msg, Throwable t) {
+        write("ERROR", msg, t);
+    }
+
+    public static void debug(String msg) {
+        write("DEBUG", msg, null);
+    }
+
+    private static void write(String level, String msg, Throwable t) {
+        String ts = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS"));
+        String line = "[" + ts + "] [" + level + "] " + msg;
+
+        System.out.println(line);
+        if (t != null) {
+            StringWriter sw = new StringWriter();
+            PrintWriter pw = new PrintWriter(sw);
+            t.printStackTrace(pw);
+            pw.flush();
+            System.err.print(sw.toString());
+        }
+
+        if (logFile != null) {
+            lock.lock();
+            try {
+                Files.writeString(logFile, line + "\n", StandardOpenOption.APPEND);
+                if (t != null) {
+                    StringWriter sw = new StringWriter();
+                    PrintWriter pw = new PrintWriter(sw);
+                    t.printStackTrace(pw);
+                    pw.flush();
+                    Files.writeString(logFile, sw.toString(), StandardOpenOption.APPEND);
+                }
+            } catch (IOException e) {
+                System.err.println("[LauncherLogger] write error: " + e.getMessage());
+            } finally {
+                lock.unlock();
+            }
+        }
+    }
+}

launcher/launcher/src/main/java/sashegdev/zernmc/launcher/utils/ZHttpClient.java

@@ -373,8 +373,6 @@ public class ZHttpClient {
     }
 
     public static String get(String endpoint) throws IOException, InterruptedException {
-        checkAllServicesOnStartup();
-
         if (useProxyMode.get()) {
             return proxyGet(endpoint);
         }

launcher/launcher/src/resources/ui/index.html

@@ -5,9 +5,6 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>ZernMC Launcher</title>
     <link rel="stylesheet" href="style.css">
-    <link rel="preconnect" href="https://fonts.googleapis.com">
-    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
 </head>
 <body>
     <canvas id="bg-canvas"></canvas>
@@ -30,24 +27,24 @@
                         </svg>
                     </div>
                     <h1 class="brand-title">ZernMC</h1>
-                    <p class="brand-sub">Launcher <span id="version">1.0.9</span></p>
+                    <p class="brand-sub">Launcher <span id="version" data-i18n="version">1.0.9</span></p>
                 </div>
 
                 <form id="login-form" class="login-form">
                     <div class="field">
-                        <input type="text" id="username" placeholder="Username" autocomplete="username" required>
+                        <input type="text" id="username" placeholder="Username" data-i18n-placeholder="login.username" autocomplete="username" required>
-                        <label for="username">Username</label>
+                        <label for="username" data-i18n="login.username">Username</label>
                     </div>
                     <div class="field">
-                        <input type="password" id="password" placeholder="Password" autocomplete="current-password" required>
+                        <input type="password" id="password" placeholder="Password" data-i18n-placeholder="login.password" autocomplete="current-password" required>
-                        <label for="password">Password</label>
+                        <label for="password" data-i18n="login.password">Password</label>
                     </div>
                     <p id="login-error" class="error-msg hidden"></p>
                     <button type="submit" class="btn-primary" id="login-btn">
-                        <span class="btn-label">Sign In</span>
+                        <span class="btn-label" data-i18n="login.title">Sign In</span>
                         <div class="spinner hidden"></div>
                     </button>
-                    <p class="login-hint">New account will be created automatically on first login</p>
+                    <p class="login-hint" data-i18n="login.hint">New account will be created automatically on first login</p>
                 </form>
             </div>
         </div>
@@ -55,7 +52,7 @@
         <!-- Loading Overlay -->
         <div id="loading-overlay" class="overlay hidden">
             <div class="loader-ring"></div>
-            <p class="loader-text">Loading...</p>
+            <p class="loader-text" data-i18n="loading.text">Loading...</p>
         </div>
 
         <!-- Main Screen -->
@@ -83,28 +80,28 @@
                         <nav class="sidebar-nav">
                             <button class="nav-btn active" data-view="packs" title="Packs">
                                 <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16z"/><polyline points="3.27 6.96 12 12.01 20.73 6.96"/><line x1="12" y1="22.08" x2="12" y2="12"/></svg>
-                                Packs
+                                <span data-i18n="nav.packs">Packs</span>
                             </button>
                             <button class="nav-btn" data-view="news" title="News">
                                 <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M4 22h16a2 2 0 0 0 2-2V4a2 2 0 0 0-2-2H8a2 2 0 0 0-2 2v16a2 2 0 0 1-2 2Zm0 0a2 2 0 0 1-2-2v-9h4"/><path d="M18 14h-8"/><path d="M15 18h-5"/><path d="M10 6h8v4h-8V6Z"/></svg>
-                                News
+                                <span data-i18n="nav.news">News</span>
                             </button>
-                            <button class="nav-btn" data-view="settings" title="Settings">
+                            <button class="nav-btn" data-view="friends" title="Friends">
-                                <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="3"/><path d="M12 1v2M12 21v2M4.22 4.22l1.42 1.42M18.36 18.36l1.42 1.42M1 12h2M21 12h2M4.22 19.78l1.42-1.42M18.36 5.64l1.42-1.42"/></svg>
+                                <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M17 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2"/><circle cx="9" cy="7" r="4"/><path d="M23 21v-2a4 4 0 0 0-3-3.87"/><path d="M16 3.13a4 4 0 0 1 0 7.75"/></svg>
-                                Settings
+                                <span data-i18n="nav.friends">Friends</span>
                             </button>
                         </nav>
 
                         <div class="sidebar-section">
                             <div class="section-header">
-                                <span class="section-title">Server Packs</span>
+                                <span class="section-title" data-i18n="sidebar.serverPacks">Server Packs</span>
                             </div>
                             <div id="server-packs-list" class="pack-list"></div>
                         </div>
 
                         <div class="sidebar-section" id="local-packs-section">
                             <div class="section-header">
-                                <span class="section-title">Local Packs</span>
+                                <span class="section-title" data-i18n="sidebar.localPacks">Local Packs</span>
                                 <button class="btn-icon" id="add-pack-btn" title="Add pack">
                                     <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><line x1="12" y1="5" x2="12" y2="19"/><line x1="5" y1="12" x2="19" y2="12"/></svg>
                                 </button>
@@ -123,6 +120,9 @@
                                     <span id="account-role" class="badge badge-role hidden"></span>
                                 </span>
                             </div>
+                            <button class="btn-icon" id="settings-btn" title="Settings">
+                                <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="3"/><path d="M12 1v2M12 21v2M4.22 4.22l1.42 1.42M18.36 18.36l1.42 1.42M1 12h2M21 12h2M4.22 19.78l1.42-1.42M18.36 5.64l1.42-1.42"/></svg>
+                            </button>
                             <button class="btn-icon" id="logout-btn" title="Log out">
                                 <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M9 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h4"/><polyline points="16 17 21 12 16 7"/><line x1="21" y1="12" x2="9" y2="12"/></svg>
                             </button>
@@ -141,11 +141,11 @@
                             <div class="view-actions">
                                 <button id="update-btn" class="btn-secondary hidden">
                                     <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M17.65 6.35A7.958 7.958 0 0012 4c-4.42 0-7.99 3.58-7.99 8s3.57 8 7.99 8c3.73 0 6.84-2.55 7.73-6h-2.08A5.99 5.99 0 0112 18c-3.31 0-6-2.69-6-6s2.69-6 6-6c1.66 0 3.14.69 4.22 1.78L13 11h7V4l-2.35 2.35z"/></svg>
-                                    Update
+                                    <span data-i18n="pack.update">Update</span>
                                 </button>
                                 <button id="delete-pack-btn" class="btn-secondary btn-danger hidden">
                                     <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><polyline points="3 6 5 6 21 6"/><path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"/></svg>
-                                    Delete
+                                    <span data-i18n="pack.delete">Delete</span>
                                 </button>
                             </div>
                         </div>
@@ -153,8 +153,8 @@
                         <div class="pack-detail" id="pack-detail">
                             <div class="pack-empty" id="pack-empty-state">
                                 <svg width="64" height="64" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1" opacity="0.2"><path d="M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16z"/></svg>
-                                <h3>No pack selected</h3>
+                                <h3 data-i18n="pack.emptyState.title">No pack selected</h3>
-                                <p>Select a pack from the sidebar or add a new one</p>
+                                <p data-i18n="pack.emptyState.desc">Select a pack from the sidebar or add a new one</p>
                             </div>
                             <div id="pack-detail-content" class="pack-detail-content hidden">
                                 <div class="pack-hero">
@@ -166,17 +166,18 @@
                                         <div class="detail-tags">
                                             <span class="tag tag-mc" id="detail-mc">1.21</span>
                                             <span class="tag tag-loader" id="detail-loader">fabric</span>
-                                            <span class="tag tag-server hidden" id="detail-server">v1</span>
+                                    <span class="tag tag-server hidden" id="detail-server">v1</span>
-                                        </div>
-                                    </div>
                                 </div>
-                                <div class="pack-stats">
+                            </div>
-                                    <div class="stat"><span class="stat-value" id="detail-loader-ver">-</span><span class="stat-label">Loader Ver</span></div>
+                        </div>
-                                    <div class="stat"><span class="stat-value" id="detail-files">0</span><span class="stat-label">Files</span></div>
+                        <div class="pack-stats">
-                                    <div class="stat"><span class="stat-value" id="detail-size">-</span><span class="stat-label">Size</span></div>
+                            <div class="stat"><span class="stat-value" id="detail-loader-ver">-</span><span class="stat-label" data-i18n="stat.loaderVer">Loader Ver</span></div>
+                            <div class="stat"><span class="stat-value" id="detail-files">0</span><span class="stat-label" data-i18n="stat.files">Files</span></div>
+                            <div class="stat"><span class="stat-value" id="detail-size">-</span><span class="stat-label" data-i18n="stat.size">Size</span></div>
+                            <div class="stat"><span class="stat-value" id="detail-playtime">-</span><span class="stat-label" data-i18n="playtime.label">Playtime</span></div>
                                 </div>
                                 <div id="pack-description" class="pack-description">
-                                    <p id="pack-description-text" class="pack-description-text">Loading description...</p>
+                                    <p id="pack-description-text" class="pack-description-text" data-i18n="pack.description.loading">Loading description...</p>
                                     <div id="pack-gallery" class="pack-gallery">
                                     </div>
                                 </div>
@@ -189,7 +190,7 @@
                             </div>
                             <button id="play-btn" class="btn-play" disabled>
                                 <svg width="20" height="20" viewBox="0 0 24 24" fill="currentColor"><polygon points="5 3 19 12 5 21 5 3"/></svg>
-                                Play
+                                <span data-i18n="playBar.play">Play</span>
                             </button>
                         </div>
                     </div>
@@ -197,50 +198,57 @@
                     <!-- News View -->
                     <div id="view-news" class="view">
                         <div class="view-header">
-                            <h2 class="view-title">News</h2>
+                            <h2 class="view-title" data-i18n="news.title">News</h2>
                         </div>
-                        <div class="news-grid">
+                        <div id="news-grid" class="news-grid">
-                            <article class="news-card news-placeholder">
+                            <div class="news-loading" data-i18n="news.loading">Loading news...</div>
-                                <div class="news-card-badge">Coming Soon</div>
+                        </div>
-                                <h3>ZernMC Server Updates</h3>
+                    </div>
-                                <p>News and announcements will appear here. Stay tuned for the latest updates about the server and launcher.</p>
+
-                                <time>Soon</time>
+                    <!-- Friends View -->
-                            </article>
+                    <div id="view-friends" class="view">
-                            <article class="news-card news-placeholder">
+                        <div class="view-header">
-                                <div class="news-card-badge">Info</div>
+                            <h2 class="view-title" data-i18n="friends.title">Friends</h2>
-                                <h3>Launcher v1.0.9</h3>
+                            <div class="view-actions">
-                                <p>English UI, JavaFX redesign, improved pack management, and more. Check the GitHub for the full changelog.</p>
+                                <button id="friends-add-btn" class="btn-primary btn-sm" onclick="app.showAddFriend()">
-                                <time>v1.0.9</time>
+                                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><line x1="12" y1="5" x2="12" y2="19"/><line x1="5" y1="12" x2="19" y2="12"/></svg>
-                            </article>
+                                    <span data-i18n="friends.add">Add</span>
-                            <article class="news-card news-placeholder">
+                                </button>
-                                <div class="news-card-badge">Guide</div>
+                            </div>
-                                <h3>Getting Started</h3>
+                        </div>
-                                <p>Install a pack, activate your pass via the website, and start playing. Need help? Contact a moderator.</p>
+                        <div class="friends-search">
-                                <time>Guide</time>
+                            <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg>
-                            </article>
+                            <input type="text" id="friends-search-input" placeholder="Search friends..." data-i18n-placeholder="friends.search" oninput="app.filterFriends()">
+                        </div>
+                        <div id="friends-list" class="friends-list">
+                            <div class="friends-empty" data-i18n="friends.empty">No friends yet</div>
+                        </div>
+                        <div id="friend-requests-section" class="friend-requests-section hidden">
+                            <div class="section-header"><span data-i18n="friends.requests">Friend Requests</span></div>
+                            <div id="friend-requests-list" class="friend-requests-list"></div>
                         </div>
                     </div>
 
                     <!-- Settings View -->
                     <div id="view-settings" class="view">
                         <div class="view-header">
-                            <h2 class="view-title">Settings</h2>
+                            <h2 class="view-title" data-i18n="settings.title">Settings</h2>
                         </div>
                         <div class="settings-grid">
                             <div class="setting-card">
                                 <div class="setting-info">
-                                    <h4>Activate Pass</h4>
+                                    <h4 data-i18n="settings.activatePass.title">Activate Pass</h4>
-                                    <p>Enter your pass code to access server packs</p>
+                                    <p data-i18n="settings.activatePass.desc">Enter your pass code to access server packs</p>
                                 </div>
                                 <div class="setting-control setting-pass">
-                                    <input type="text" id="pass-code" placeholder="Pass code" class="pass-input">
+                                    <input type="text" id="pass-code" placeholder="Pass code" data-i18n-placeholder="settings.activatePass.placeholder" class="pass-input">
-                                    <button id="activate-pass-btn" class="btn-primary btn-sm">Activate</button>
+                                    <button id="activate-pass-btn" class="btn-primary btn-sm" onclick="app.activatePass()"><span data-i18n="settings.activatePass.button">Activate</span></button>
                                 </div>
                             </div>
                             <div class="setting-card">
                                 <div class="setting-info">
-                                    <h4>Allocated RAM</h4>
+                                    <h4 data-i18n="settings.ram.title">Allocated RAM</h4>
-                                    <p id="ram-info">Loading...</p>
+                                    <p id="ram-info" data-i18n="settings.ram.info">Loading...</p>
                                 </div>
                                 <div class="setting-control">
                                     <input type="range" id="ram-slider" min="1024" max="16384" step="512" value="4096">
@@ -249,8 +257,8 @@
                             </div>
                             <div class="setting-card">
                                 <div class="setting-info">
-                                    <h4>Game Resolution</h4>
+                                    <h4 data-i18n="settings.resolution.title">Game Resolution</h4>
-                                    <p>Width x Height</p>
+                                    <p data-i18n="settings.resolution.desc">Width x Height</p>
                                 </div>
                                 <div class="setting-control" style="gap:6px">
                                     <input type="number" id="win-width" min="640" max="7680" step="1" value="1280" class="setting-input" style="width:80px">
@@ -260,8 +268,8 @@
                             </div>
                             <div class="setting-card">
                                 <div class="setting-info">
-                                    <h4>Extra JVM Arguments</h4>
+                                    <h4 data-i18n="settings.jvmArgs.title">Extra JVM Arguments</h4>
-                                    <p>Additional Java VM options</p>
+                                    <p data-i18n="settings.jvmArgs.desc">Additional Java VM options</p>
                                 </div>
                                 <div class="setting-control">
                                     <input type="text" id="jvm-args" placeholder="-XX:+UseZGC" class="setting-input" style="width:280px">
@@ -269,7 +277,7 @@
                             </div>
                             <div class="setting-card">
                                 <div class="setting-info">
-                                    <h4>Java Path</h4>
+                                    <h4 data-i18n="settings.javaPath.title">Java Path</h4>
                                     <p id="java-path">~/.zernmc/jre/</p>
                                 </div>
                                 <div class="setting-control">
@@ -278,82 +286,128 @@
                             </div>
                             <div class="setting-card">
                                 <div class="setting-info">
-                                    <h4>Server</h4>
+                                    <h4 data-i18n="settings.server.title">Server</h4>
                                     <p id="server-url">http://87.120.187.36:1582</p>
                                 </div>
                                 <div class="setting-control">
                                     <span class="setting-badge" id="server-status">Checking...</span>
                                 </div>
                             </div>
+                            <div class="setting-card">
+                                <div class="setting-info">
+                                    <h4 data-i18n="settings.language.title">Language</h4>
+                                    <p data-i18n="settings.language.desc">Interface language</p>
+                                </div>
+                                <div class="setting-control">
+                                    <select id="locale-select" class="setting-input" style="width:160px">
+                                        <option value="en">English</option>
+                                        <option value="ru">Русский</option>
+                                    </select>
+                                </div>
+                            </div>
+                            <div class="setting-card">
+                                <div class="setting-info">
+                                    <h4 data-i18n="settings.systemJvm.title">System-based JVM Optimization</h4>
+                                    <p id="system-jvm-info">-</p>
+                                </div>
+                                <div class="setting-control">
+                                    <label class="toggle" id="system-jvm-toggle-wrapper">
+                                        <input type="checkbox" id="system-jvm-toggle">
+                                        <span class="toggle-slider"></span>
+                                    </label>
+                                </div>
+                            </div>
+                            <div class="setting-card">
+                                <div class="setting-info">
+                                    <h4 data-i18n="settings.logViewer.title">Game Log</h4>
+                                    <p data-i18n="settings.logViewer.desc">View real-time game logs</p>
+                                </div>
+                                <div class="setting-control">
+                                    <button class="btn-primary btn-sm" id="show-log-viewer-btn" onclick="app.openLogViewer()"><span data-i18n="settings.logViewer.open">Open Log</span></button>
+                                </div>
+                            </div>
                         </div>
                     </div>
                 </main>
             </div>
         </div>
 
+        <!-- Add Friend Modal -->
+        <div id="add-friend-modal" class="modal-backdrop hidden">
+            <div class="modal modal-sm">
+                <div class="modal-head">
+                    <h3 data-i18n="friends.addTitle">Add Friend</h3>
+                    <button class="modal-close" onclick="app.closeAddFriend()">&times;</button>
+                </div>
+                <div class="modal-body">
+                    <div class="field">
+                        <label data-i18n="friends.addLabel">Username</label>
+                        <input type="text" id="add-friend-input" placeholder="Enter username..." data-i18n-placeholder="friends.addPlaceholder">
+                    </div>
+                    <button id="add-friend-submit" class="btn-primary" onclick="app.submitAddFriend()"><span data-i18n="friends.add">Add Friend</span></button>
+                    <p id="add-friend-error" class="error-msg hidden"></p>
+                </div>
+            </div>
+        </div>
+
+        <!-- Log Viewer Overlay -->
+        <div id="log-viewer-overlay" class="modal-backdrop hidden">
+            <div class="modal modal-log">
+                <div class="modal-head">
+                    <h3 data-i18n="logViewer.title">Game Log</h3>
+                    <div class="log-viewer-actions">
+                        <button class="btn-secondary btn-sm" id="copy-log-btn" onclick="app.copyLogs()"><span data-i18n="logViewer.copy">Copy</span></button>
+                        <button class="btn-secondary btn-sm" onclick="app.req('/open-log-file', {method:'POST'})"><span data-i18n="logViewer.openFile">Open File</span></button>
+                        <button class="modal-close" id="close-log-viewer-btn" onclick="app.closeLogViewer()">&times;</button>
+                    </div>
+                </div>
+                <div class="modal-body log-viewer-body">
+                    <div id="log-viewer-content" class="log-viewer-content"></div>
+                </div>
+            </div>
+        </div>
+
         <!-- Install Modal -->
         <div id="install-modal" class="modal-backdrop hidden">
             <div class="modal">
                 <div class="modal-head">
-                    <h3>Install Pack</h3>
+                    <h3 data-i18n="install.title">Install Pack</h3>
                     <button class="modal-close" id="close-modal-btn">&times;</button>
                 </div>
                 <div class="modal-body">
                     <div class="modal-tabs">
-                        <button class="modal-tab active" data-tab="zernmc">Server Pack</button>
+                        <button class="modal-tab active" data-tab="zernmc"><span data-i18n="install.tab.serverPack">Server Pack</span></button>
-                        <button class="modal-tab" data-tab="custom">Custom</button>
+                        <button class="modal-tab" data-tab="custom" id="custom-tab-btn"><span data-i18n="install.tab.custom">Custom</span> <span class="tag-wip">WIP</span></button>
                     </div>
 
                     <div id="tab-zernmc" class="modal-tab-content active">
                         <div class="field">
-                            <label>Server Pack</label>
+                            <label data-i18n="install.serverPack.label">Server Pack</label>
                             <select id="zernmc-pack-select">
                                 <option value="">Loading...</option>
                             </select>
                         </div>
                         <div class="field">
-                            <label>Local Name</label>
+                            <label data-i18n="install.localName.label">Local Name</label>
                             <input type="text" id="zernmc-instance-name" placeholder="my-cool-pack">
                         </div>
-                        <button id="install-zernmc-btn" class="btn-primary">Download & Install</button>
+                        <button id="install-zernmc-btn" class="btn-primary"><span data-i18n="install.downloadBtn">Download & Install</span></button>
                     </div>
 
                     <div id="tab-custom" class="modal-tab-content">
-                        <div class="field">
+                        <div class="disabled-tab">
-                            <label>Minecraft Version</label>
+                            <svg width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" opacity="0.3"><circle cx="12" cy="12" r="10"/><line x1="12" y1="8" x2="12" y2="12"/><line x1="12" y1="16" x2="12.01" y2="16"/></svg>
-                            <div class="select-wrap">
+                            <h3 data-i18n="install.custom.unavailable">Not available yet</h3>
-                                <select id="mc-version-select"><option>Loading...</option></select>
+                            <p data-i18n="install.custom.desc">Custom pack installation is disabled in this version. Use Server Pack tab to install packs from the server.</p>
-                            </div>
                         </div>
-                        <div class="field">
-                            <label>Mod Loader</label>
-                            <div class="select-wrap">
-                                <select id="loader-select">
-                                    <option value="vanilla">Vanilla (no loader)</option>
-                                    <option value="fabric">Fabric</option>
-                                    <option value="forge">Forge</option>
-                                    <option value="neoforge">NeoForge</option>
-                                </select>
-                            </div>
-                        </div>
-                        <div class="field hidden" id="loader-ver-field">
-                            <label>Loader Version</label>
-                            <div class="select-wrap">
-                                <select id="loader-ver-select"><option>Select loader version</option></select>
-                            </div>
-                        </div>
-                        <div class="field">
-                            <label>Local Name</label>
-                            <input type="text" id="custom-instance-name" placeholder="my-minecraft">
-                        </div>
-                        <button id="install-custom-btn" class="btn-primary">Download & Install</button>
                     </div>
 
                     <div id="install-progress" class="install-progress hidden">
                         <div class="progress-track">
                             <div class="progress-fill" id="progress-fill"></div>
                         </div>
-                        <p class="progress-label" id="progress-label">Installing...</p>
+                        <p class="progress-label" id="progress-label" data-i18n="install.progress.installing">Installing...</p>
+                        <p class="progress-stage hidden" id="progress-stage"></p>
                     </div>
                 </div>
             </div>
@@ -363,6 +417,7 @@
         <div id="toast" class="toast hidden"></div>
     </div>
 
+    <script src="marked.min.js"></script>
     <script src="launcher.js"></script>
 </body>
 </html>

launcher/launcher/src/resources/ui/style.css

@@ -23,8 +23,8 @@
     --shadow: 0 4px 24px rgba(0,0,0,0.5);
     --shadow-glow: 0 0 40px var(--accent-glow);
     --transition: 200ms ease;
-    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
+    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;
-    --mono: 'JetBrains Mono', 'Consolas', monospace;
+    --mono: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', 'Consolas', 'Monaco', monospace;
 }
 
 *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
@@ -78,9 +78,7 @@ body {
 .brand-icon { margin-bottom: 16px; }
 .brand-title {
     font-size: 28px; font-weight: 800;
-    background: linear-gradient(135deg, #fff 60%, var(--accent));
+    color: var(--text);
-    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
-    background-clip: text;
 }
 .brand-sub { color: var(--text-muted); font-size: 13px; margin-top: 4px; }
 
@@ -272,9 +270,10 @@ body {
     flex: 1; display: flex; flex-direction: column;
     padding: 24px 32px; min-width: 0;
     position: relative;
+    overflow-y: auto;
 }
 
-.view { display: none; flex-direction: column; height: 100%; }
+.view { display: none; flex-direction: column; height: 100%; overflow-y: auto; }
 .view.active { display: flex; }
 
 .view-header {
@@ -359,6 +358,12 @@ body {
 .pack-gallery-item img {
     width: 100%; height: 100%; object-fit: cover;
 }
+.pack-description-text .news-link {
+    color: var(--accent); text-decoration: underline; cursor: pointer;
+}
+.pack-description-text .news-link:hover {
+    color: var(--accent-hover);
+}
 
 .btn-play {
     display: flex; align-items: center; gap: 8px;
@@ -372,17 +377,84 @@ body {
 .btn-play:active:not(:disabled) { transform: translateY(0); }
 .btn-play:disabled { opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none; }
 
+/* ========== CUSTOM SELECT ========== */
+.custom-select-wrap {
+    position: relative;
+    width: 100%;
+}
+.custom-select-trigger {
+    display: flex; align-items: center; justify-content: space-between;
+    width: 100%; padding: 10px 12px;
+    background: var(--bg-surface); border: 1px solid var(--border-light);
+    border-radius: var(--radius-sm); color: var(--text);
+    font-size: 13px; font-family: var(--font); cursor: pointer;
+    transition: var(--transition); user-select: none;
+    gap: 8px;
+}
+.custom-select-trigger:hover { border-color: var(--text-muted); }
+.custom-select-trigger.open { border-color: var(--accent); }
+.custom-select-trigger .arrow {
+    width: 16px; height: 16px; flex-shrink: 0;
+    transition: transform 0.2s ease; opacity: 0.5;
+}
+.custom-select-trigger.open .arrow { transform: rotate(180deg); }
+.custom-select-trigger .placeholder { color: var(--text-muted); }
+.custom-select-dropdown {
+    position: absolute; top: calc(100% + 4px); left: 0; right: 0;
+    background: var(--bg-elevated); border: 1px solid var(--border);
+    border-radius: var(--radius-sm); box-shadow: var(--shadow);
+    z-index: 100; max-height: 240px; display: none;
+    flex-direction: column;
+}
+.custom-select-dropdown.open { display: flex; }
+.custom-select-search {
+    padding: 8px; border-bottom: 1px solid var(--border);
+    position: sticky; top: 0; background: var(--bg-elevated);
+    z-index: 1;
+}
+.custom-select-search input {
+    width: 100%; padding: 6px 10px;
+    background: var(--bg-surface); border: 1px solid var(--border-light);
+    border-radius: 4px; color: var(--text); font-size: 12px;
+    font-family: var(--font); outline: none;
+}
+.custom-select-search input:focus { border-color: var(--accent); }
+.custom-select-options {
+    overflow-y: auto; flex: 1;
+}
+.custom-select-option {
+    padding: 8px 12px; cursor: pointer; font-size: 13px;
+    color: var(--text-secondary); transition: var(--transition);
+}
+.custom-select-option:hover { background: var(--bg-card); color: var(--text); }
+.custom-select-option.selected { background: var(--accent-soft); color: var(--accent); }
+.custom-select-option.hidden { display: none; }
+
 /* ========== NEWS ========== */
 .news-grid {
     display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
     gap: 16px; overflow-y: auto; padding-bottom: 24px;
 }
+.news-loading {
+    grid-column: 1 / -1; text-align: center; padding: 60px 20px;
+    color: var(--text-muted); font-size: 14px;
+}
+.news-empty {
+    grid-column: 1 / -1; text-align: center; padding: 60px 20px;
+    color: var(--text-muted); font-size: 14px;
+}
 .news-card {
     background: var(--bg-card); border: 1px solid var(--border);
     border-radius: var(--radius-md); padding: 24px; display: flex;
     flex-direction: column; gap: 12px; transition: var(--transition);
+    cursor: pointer;
+}
+.news-card:hover { border-color: var(--border-light); transform: translateY(-1px); }
+.news-preview {
+    font-size: 13px; color: var(--text-secondary); line-height: 1.5;
+    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
+    overflow: hidden;
 }
-.news-card:hover { border-color: var(--border-light); }
 .news-card-badge {
     align-self: flex-start; font-size: 10px; font-weight: 600; text-transform: uppercase;
     letter-spacing: 1px; padding: 4px 10px; border-radius: 4px;
@@ -391,6 +463,26 @@ body {
 .news-card h3 { font-size: 16px; font-weight: 600; }
 .news-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }
 .news-card time { font-size: 11px; color: var(--text-muted); margin-top: auto; }
+.news-card-badge.type-Update { background: rgba(96,165,250,0.15); color: var(--info); }
+.news-card-badge.type-Announcement { background: rgba(251,191,36,0.15); color: var(--warning); }
+.news-card-badge.type-Event { background: rgba(74,222,128,0.15); color: var(--success); }
+
+.news-modal-body {
+    max-height: 60vh; overflow-y: auto; line-height: 1.7;
+    font-size: 14px; color: var(--text-secondary);
+}
+.news-modal-body .news-text-line { display: inline; }
+.news-modal-body .news-link {
+    color: var(--info); text-decoration: underline; cursor: pointer;
+}
+.news-modal-body .news-link:hover { color: var(--accent); }
+.news-modal-body .news-photo {
+    display: block; max-width: 100%; border-radius: var(--radius-sm);
+    margin: 12px 0; cursor: pointer; border: 1px solid var(--border);
+    transition: var(--transition);
+}
+.news-modal-body .news-photo:hover { opacity: 0.9; }
+.modal-news { max-width: 640px; }
 
 /* ========== SETTINGS ========== */
 .settings-grid { display: flex; flex-direction: column; gap: 12px; }
@@ -430,6 +522,24 @@ body {
 .setting-input:focus { border-color: var(--accent); }
 .btn-sm { padding: 6px 14px !important; font-size: 12px !important; }
 
+/* ========== TOGGLE ========== */
+.toggle {
+    position: relative; display: inline-block; width: 44px; height: 24px; cursor: pointer;
+}
+.toggle input { opacity: 0; width: 0; height: 0; }
+.toggle-slider {
+    position: absolute; inset: 0; background: var(--border-light); border-radius: 12px; transition: var(--transition);
+}
+.toggle-slider::before {
+    content: ''; position: absolute; left: 3px; bottom: 3px; width: 18px; height: 18px;
+    background: var(--text-secondary); border-radius: 50%; transition: var(--transition);
+}
+.toggle input:checked + .toggle-slider { background: var(--accent); }
+.toggle input:checked + .toggle-slider::before { transform: translateX(20px); background: #fff; }
+
+/* ========== LOCALE SELECT ========== */
+#locale-select { font-family: var(--font); cursor: pointer; }
+
 /* ========== MODAL ========== */
 .modal-backdrop {
     position: fixed; inset: 0; background: rgba(7,7,10,0.85);
@@ -472,6 +582,17 @@ body {
     background: none; padding: 0;
 }
 
+.tag-wip {
+    font-size: 9px; font-weight: 700; padding: 1px 5px; border-radius: 3px;
+    background: rgba(251,191,36,0.15); color: var(--warning); vertical-align: middle; margin-left: 4px;
+}
+.disabled-tab {
+    display: flex; flex-direction: column; align-items: center; gap: 12px;
+    padding: 40px 20px; text-align: center; color: var(--text-muted);
+}
+.disabled-tab h3 { font-size: 18px; font-weight: 600; color: var(--text-secondary); }
+.disabled-tab p { font-size: 13px; line-height: 1.5; max-width: 300px; }
+
 .select-wrap select {
     width: 100%; padding: 10px 12px; font-size: 13px;
     background: var(--bg-surface); border: 1px solid var(--border-light);
@@ -490,6 +611,31 @@ body {
     border-radius: 3px; transition: width 0.3s ease;
 }
 .progress-label { font-size: 13px; color: var(--text-secondary); margin-top: 8px; text-align: center; }
+.progress-stage { font-size: 11px; color: var(--text-muted); margin-top: 4px; text-align: center; }
+
+/* ========== LOG VIEWER ========== */
+.modal-log { max-width: 800px; }
+.log-viewer-actions { display: flex; align-items: center; gap: 8px; }
+.log-viewer-body { padding: 0 !important; }
+.log-viewer-content {
+    font-family: var(--mono);
+    font-size: 11px;
+    line-height: 1.5;
+    background: var(--bg-deep);
+    padding: 12px 16px;
+    max-height: 50vh;
+    overflow-y: auto;
+    user-select: text;
+    -webkit-user-select: text;
+    white-space: pre-wrap;
+    word-break: break-all;
+}
+.log-line { padding: 1px 0; }
+.log-empty { color: var(--text-muted); font-family: var(--font); font-size: 13px; padding: 20px; text-align: center; }
+.log-error { color: #f87171; }
+.log-warn { color: #fbbf24; }
+.log-info { color: #4ade80; }
+.log-debug { color: #60a5fa; }
 
 /* ========== TOAST ========== */
 .toast {
@@ -502,6 +648,7 @@ body {
 }
 .toast.error { border-color: rgba(248,113,113,0.3); color: var(--error); }
 .toast.success { border-color: rgba(74,222,128,0.3); color: var(--success); }
+.toast.warning { border-color: rgba(251,191,36,0.3); color: var(--warning); }
 @keyframes toastIn { from { opacity: 0; transform: translateX(-50%) translateY(10px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }
 @keyframes toastOut { from { opacity: 1; } to { opacity: 0; } }
 
@@ -529,3 +676,84 @@ body {
     .play-bar { flex-direction: column; gap: 12px; }
     .view-header { flex-direction: column; }
 }
+
+/* ========== FRIENDS ========== */
+.friends-search {
+    display: flex; align-items: center; gap: 8px;
+    background: var(--bg-card); border: 1px solid var(--border);
+    border-radius: var(--radius-sm); padding: 8px 12px; margin-bottom: 12px;
+}
+.friends-search svg { flex-shrink: 0; color: var(--text-muted); }
+.friends-search input {
+    flex: 1; background: transparent; border: none; outline: none;
+    color: var(--text); font-size: 13px; font-family: var(--font);
+}
+.friends-search input::placeholder { color: var(--text-muted); }
+.friends-list { display: flex; flex-direction: column; gap: 4px; }
+.friends-empty {
+    text-align: center; padding: 40px 20px; color: var(--text-muted); font-size: 13px;
+}
+.friends-group-label {
+    font-size: 11px; font-weight: 600; text-transform: uppercase;
+    color: var(--text-muted); padding: 8px 4px 4px; letter-spacing: 0.5px;
+}
+.friend-item {
+    display: flex; align-items: center; gap: 10px; padding: 8px 10px;
+    border-radius: var(--radius-sm); transition: var(--transition);
+}
+.friend-item:hover { background: var(--bg-card-hover); }
+.friend-item:hover .friend-remove-btn { opacity: 1; }
+.friend-avatar {
+    width: 36px; height: 36px; border-radius: 50%; display: flex;
+    align-items: center; justify-content: center; font-weight: 600; font-size: 14px;
+    flex-shrink: 0; position: relative;
+    background: var(--accent-soft); color: var(--accent);
+}
+.friend-avatar.online::after {
+    content: ''; position: absolute; bottom: 0; right: 0;
+    width: 10px; height: 10px; border-radius: 50%;
+    background: var(--success); border: 2px solid var(--bg-surface);
+}
+.friend-avatar.offline { opacity: 0.6; }
+.friend-info { flex: 1; min-width: 0; }
+.friend-name-row { display: flex; align-items: center; gap: 6px; }
+.friend-name { font-size: 13px; font-weight: 500; color: var(--text); }
+.friend-status { display: flex; align-items: center; gap: 4px; font-size: 11px; color: var(--text-muted); margin-top: 2px; }
+.friend-status-dot {
+    width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0;
+}
+.friend-status-dot.online { background: var(--success); }
+.friend-status-dot.offline { background: var(--text-muted); }
+.friend-pack { color: var(--text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+.friend-remove-btn {
+    opacity: 0; transition: var(--transition); flex-shrink: 0;
+    width: 28px; height: 28px; color: var(--text-muted);
+}
+.friend-remove-btn:hover { color: var(--error); }
+.friend-requests-section {
+    margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--border);
+}
+.friend-requests-section .section-header {
+    font-size: 11px; font-weight: 600; text-transform: uppercase;
+    color: var(--text-muted); padding: 4px; margin-bottom: 8px; letter-spacing: 0.5px;
+}
+.friend-request-item {
+    display: flex; align-items: center; gap: 10px; padding: 10px;
+    background: var(--bg-card); border-radius: var(--radius-sm);
+    margin-bottom: 6px;
+}
+.friend-request-avatar {
+    width: 36px; height: 36px; border-radius: 50%; display: flex;
+    align-items: center; justify-content: center; font-weight: 600; font-size: 14px;
+    flex-shrink: 0; background: var(--accent-soft); color: var(--accent);
+}
+.friend-request-info { flex: 1; min-width: 0; display: flex; align-items: center; gap: 10px; }
+.friend-request-name { font-size: 13px; font-weight: 500; }
+.friend-request-text { font-size: 11px; color: var(--text-muted); }
+.friend-request-actions { display: flex; gap: 6px; flex-shrink: 0; }
+
+/* ========== MODAL SM ========== */
+.modal-sm { max-width: 360px; }
+
+/* ========== BADGE SM ========== */
+.badge-sm { font-size: 10px; padding: 2px 6px; }

launcher/launcher/src/test/java/me/sashegdev/zernmc/launcher/auth/AuthManagerPassTest.java

@@ -0,0 +1,274 @@
+package me.sashegdev.zernmc.launcher.auth;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.List;
+
+class AuthManagerPassTest {
+
+    private static final Gson GSON = new GsonBuilder().setPrettyPrinting().create();
+
+    private static AuthManager.AuthSession createSession(String token, int role) {
+        AuthManager.AuthSession s = new AuthManager.AuthSession();
+        s.accessToken = token;
+        s.role = role;
+        s.expiresAt = System.currentTimeMillis() / 1000L + 3600;
+        return s;
+    }
+
+    @Test
+    void hasPass_returnsFalse_whenNotLoggedIn() {
+        AuthManager.resetForTest();
+        assertFalse(AuthManager.hasPass());
+        assertFalse(AuthManager.hasActivePass());
+    }
+
+    @Test
+    void hasPass_usesUserInfo_whenAvailable() {
+        AuthManager.UserInfo info = new AuthManager.UserInfo();
+        info.has_pass = true;
+        info.role = 1;
+        AuthManager.setTestUserInfo(info);
+
+        AuthManager.setTestSession(createSession("tok", 1));
+
+        assertTrue(AuthManager.hasPass());
+        assertTrue(AuthManager.hasActivePass());
+    }
+
+    @Test
+    void hasPass_usesRole_whenUserInfoNull() {
+        AuthManager.setTestUserInfo(null);
+
+        AuthManager.setTestSession(createSession("tok", AuthManager.ROLE_PASS_HOLDER));
+
+        assertTrue(AuthManager.hasPass());
+        assertTrue(AuthManager.hasActivePass());
+    }
+
+    @Test
+    void hasPass_returnsFalse_whenRoleTooLow() {
+        AuthManager.setTestUserInfo(null);
+
+        AuthManager.setTestSession(createSession("tok", AuthManager.ROLE_USER));
+
+        assertFalse(AuthManager.hasPass());
+        assertFalse(AuthManager.hasActivePass());
+    }
+
+    @Test
+    void hasPass_userInfoTakesPriorityOverRole() {
+        AuthManager.UserInfo info = new AuthManager.UserInfo();
+        info.has_pass = false;
+        info.role = 1;
+        AuthManager.setTestUserInfo(info);
+
+        AuthManager.setTestSession(createSession("tok", AuthManager.ROLE_PASS_HOLDER));
+
+        assertFalse(AuthManager.hasPass());
+        assertFalse(AuthManager.hasActivePass());
+    }
+
+    @Test
+    void canViewPacks_usesPermissions_whenAvailable() {
+        AuthManager.UserInfo info = new AuthManager.UserInfo();
+        info.permissions = List.of("view_packs", "download_pack");
+        info.has_pass = true;
+        AuthManager.setTestUserInfo(info);
+
+        AuthManager.setTestSession(createSession("tok", 1));
+
+        assertTrue(AuthManager.canViewPacks());
+        assertTrue(AuthManager.canDownloadPacks());
+    }
+
+    @Test
+    void canViewPacks_fallsBackToHasPass_whenNoPermissions() {
+        AuthManager.setTestUserInfo(null);
+
+        AuthManager.setTestSession(createSession("tok", AuthManager.ROLE_PASS_HOLDER));
+
+        assertTrue(AuthManager.canViewPacks());
+        assertTrue(AuthManager.canDownloadPacks());
+    }
+
+    @Test
+    void authSession_parsesFromLoginResponse() {
+        String json = """
+            {
+                "access_token": "eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOjF9.test",
+                "refresh_token": "eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOjF9.refresh",
+                "expires_in": 86400,
+                "token_type": "bearer",
+                "username": "testuser",
+                "uuid": "550e8400-e29b-41d4-a716-446655440000",
+                "role": 1,
+                "role_name": "PASS_HOLDER"
+            }
+            """;
+        AuthManager.AuthSession session = GSON.fromJson(json, AuthManager.AuthSession.class);
+
+        assertNotNull(session);
+        assertEquals("eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOjF9.test", session.accessToken);
+        assertEquals("eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOjF9.refresh", session.refreshToken);
+        assertEquals(86400, session.expiresIn);
+        assertEquals("testuser", session.username);
+        assertEquals("550e8400-e29b-41d4-a716-446655440000", session.uuid);
+        assertEquals(1, session.role);
+    }
+
+    @Test
+    void authSession_roundTrip() {
+        AuthManager.AuthSession original = new AuthManager.AuthSession();
+        original.accessToken = "access123";
+        original.refreshToken = "refresh123";
+        original.expiresIn = 86400;
+        original.expiresAt = System.currentTimeMillis() / 1000L + 86400;
+        original.username = "testuser";
+        original.uuid = "550e8400-e29b-41d4-a716-446655440000";
+        original.role = 1;
+
+        String json = GSON.toJson(original);
+        AuthManager.AuthSession parsed = GSON.fromJson(json, AuthManager.AuthSession.class);
+
+        assertEquals(original.accessToken, parsed.accessToken);
+        assertEquals(original.refreshToken, parsed.refreshToken);
+        assertEquals(original.expiresIn, parsed.expiresIn);
+        assertEquals(original.expiresAt, parsed.expiresAt);
+        assertEquals(original.username, parsed.username);
+        assertEquals(original.uuid, parsed.uuid);
+        assertEquals(original.role, parsed.role);
+    }
+
+    @Test
+    void userInfo_parsesFromMeEndpoint() {
+        String json = """
+            {
+                "id": 1,
+                "username": "testuser",
+                "uuid": "550e8400-e29b-41d4-a716-446655440000",
+                "role": 1,
+                "role_name": "PASS_HOLDER",
+                "has_pass": true,
+                "permissions": ["view_packs", "download_pack"]
+            }
+            """;
+        AuthManager.UserInfo info = GSON.fromJson(json, AuthManager.UserInfo.class);
+
+        assertNotNull(info);
+        assertEquals(1, info.id);
+        assertEquals("testuser", info.username);
+        assertEquals(1, info.role);
+        assertEquals("PASS_HOLDER", info.role_name);
+        assertTrue(info.has_pass);
+        assertTrue(info.permissions.contains("view_packs"));
+        assertTrue(info.permissions.contains("download_pack"));
+        assertTrue(info.hasPermission("view_packs"));
+        assertFalse(info.hasPermission("admin"));
+    }
+
+    @Test
+    void updateRole_updatesSessionRole() {
+        AuthManager.resetForTest();
+        AuthManager.setTestSession(createSession("tok", 0));
+        AuthManager.setTestUserInfo(null);
+
+        assertEquals(0, AuthManager.getRole());
+        assertFalse(AuthManager.hasPass());
+
+        AuthManager.updateRole(1);
+
+        assertEquals(1, AuthManager.getRole());
+    }
+
+    @Test
+    void isLoggedIn_returnsTrue_whenSessionExists() {
+        AuthManager.resetForTest();
+        assertFalse(AuthManager.isLoggedIn());
+
+        AuthManager.AuthSession s = createSession("tok", 0);
+        s.username = "testuser";
+        AuthManager.setTestSession(s);
+
+        assertTrue(AuthManager.isLoggedIn());
+        assertEquals("testuser", AuthManager.getUsername());
+    }
+
+    @Test
+    void getUsername_returnsSessionUsername() {
+        AuthManager.AuthSession s = createSession("tok", 0);
+        s.username = "testuser";
+        AuthManager.setTestSession(s);
+
+        assertEquals("testuser", AuthManager.getUsername());
+    }
+
+    @Test
+    void getRole_returnsZero_whenSessionNull() {
+        AuthManager.resetForTest();
+        assertEquals(0, AuthManager.getRole());
+    }
+
+    @Test
+    void getRoleName_fallsBackToUSER_whenUserInfoNull() {
+        AuthManager.resetForTest();
+        AuthManager.setTestUserInfo(null);
+        AuthManager.setTestSession(createSession("tok", 0));
+
+        assertEquals("USER", AuthManager.getRoleName());
+    }
+
+    @Test
+    void getAccessToken_returnsToken_whenSessionValid() {
+        AuthManager.resetForTest();
+        AuthManager.setTestUserInfo(null);
+        AuthManager.setTestSession(createSession("valid-token", 1));
+
+        String token = AuthManager.getAccessToken();
+        assertEquals("valid-token", token);
+    }
+
+    @Test
+    void getAccessToken_doesNotInvalidate_whenNoRefreshToken() {
+        AuthManager.resetForTest();
+        AuthManager.setTestUserInfo(null);
+        AuthManager.AuthSession s = createSession("tok", 1);
+        s.refreshToken = null;
+        AuthManager.setTestSession(s);
+
+        String token = AuthManager.getAccessToken();
+        assertEquals("tok", token);
+        assertTrue(AuthManager.isLoggedIn());
+    }
+
+    @Test
+    void getAccessToken_returnsZero_whenSessionNull() {
+        AuthManager.resetForTest();
+        assertEquals("0", AuthManager.getAccessToken());
+    }
+
+    @Test
+    void invalidateSession_clearsState() {
+        AuthManager.resetForTest();
+        AuthManager.setTestSession(createSession("tok", 1));
+        AuthManager.setTestUserInfo(new AuthManager.UserInfo());
+        assertTrue(AuthManager.isLoggedIn());
+
+        AuthManager.logout();
+
+        assertFalse(AuthManager.isLoggedIn());
+        assertEquals(0, AuthManager.getRole());
+    }
+
+    @Test
+    void loadSavedSession_returnsFalse_whenNoAuthFile() {
+        AuthManager.resetForTest();
+        AuthManager.logout();
+        assertFalse(AuthManager.loadSavedSession());
+    }
+}

server/admin_router.py

@@ -60,8 +60,8 @@ async def list_users(
             query += " FROM users"
         
         if search:
-            query += " AND (username LIKE ? OR email LIKE ?)"
+            query += " AND username LIKE ?"
-            params.extend([f"%{search}%", f"%{search}%"])
+            params.append(f"%{search}%")
         
         query += " ORDER BY role DESC, username"
         
@@ -108,19 +108,13 @@ async def get_user_detail(
     """Детальная информация о пользователе"""
     with get_db() as conn:
         row = conn.execute("""
-            SELECT id, username, email, uuid, role, created_at, last_login, is_active, banned_until
+            SELECT id, username, uuid, role, created_at, last_login, is_active, banned_until
             FROM users WHERE id = ?
         """, (user_id,)).fetchone()
         
         if not row:
             raise HTTPException(404, "Пользователь не найден")
         
-        # Модераторы не видят email обычных пользователей
-        if current_user["role"] < ROLE_ELDER and row["role"] < ROLE_MODERATOR:
-            email = None
-        else:
-            email = row["email"]
-        
         # Получаем активную проходку
         pass_info = None
         if row["role"] >= ROLE_PASS_HOLDER or current_user["role"] >= ROLE_ELDER:
@@ -151,7 +145,6 @@ async def get_user_detail(
         return {
             "id": row["id"],
             "username": row["username"],
-            "email": email,
             "uuid": row["uuid"],
             "role": row["role"],
             "role_name": ROLE_NAMES.get(row["role"], "Неизвестно"),

server/auth.py

@@ -770,3 +770,15 @@ async def activate_pass(
         "message": f"Проходка активирована для {uname}",
         "role": 1,
     }
+
+
+@router.get("/pass/my")
+async def my_pass_status(current_user: dict = Depends(get_current_user)):
+    """Check if current user has an active pass"""
+    with get_db() as conn:
+        row = conn.execute("""
+            SELECT 1 FROM user_passes up
+            JOIN passes p ON up.pass_code = p.code
+            WHERE up.user_id = ? AND (p.expires_at IS NULL OR p.expires_at > ?)
+        """, (current_user["id"], time.time())).fetchone()
+        return {"has_active": row is not None}

server/friends.py

@@ -0,0 +1,176 @@
+from fastapi import APIRouter, HTTPException, Depends
+from pydantic import BaseModel
+from typing import Optional
+import structlog
+import time
+
+from auth import get_db, get_current_user
+
+logger = structlog.get_logger(__name__)
+
+router = APIRouter(prefix="/api", tags=["friends"])
+
+def init_friends_db():
+    with get_db() as conn:
+        conn.executescript("""
+            CREATE TABLE IF NOT EXISTS friendships (
+                id INTEGER PRIMARY KEY AUTOINCREMENT,
+                requester_id INTEGER NOT NULL,
+                target_id INTEGER NOT NULL,
+                status TEXT NOT NULL DEFAULT 'pending',
+                created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                UNIQUE(requester_id, target_id),
+                FOREIGN KEY (requester_id) REFERENCES users(id),
+                FOREIGN KEY (target_id) REFERENCES users(id)
+            );
+            CREATE TABLE IF NOT EXISTS user_status (
+                user_id INTEGER PRIMARY KEY,
+                is_online INTEGER DEFAULT 0,
+                current_pack TEXT DEFAULT '',
+                last_seen TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                FOREIGN KEY (user_id) REFERENCES users(id)
+            );
+            CREATE INDEX IF NOT EXISTS idx_friendships_requester ON friendships(requester_id);
+            CREATE INDEX IF NOT EXISTS idx_friendships_target ON friendships(target_id);
+        """)
+
+class AddFriendRequest(BaseModel):
+    username: str
+
+class RemoveFriendRequest(BaseModel):
+    user_id: int
+
+class AcceptFriendRequest(BaseModel):
+    user_id: int
+
+class StatusUpdateRequest(BaseModel):
+    online: bool = True
+    current_pack: Optional[str] = None
+
+@router.post("/friends/add")
+async def add_friend(
+    req: AddFriendRequest,
+    current_user: dict = Depends(get_current_user)
+):
+    with get_db() as conn:
+        cursor = conn.execute("SELECT id FROM users WHERE username = ?", (req.username,))
+        target = cursor.fetchone()
+        if not target:
+            raise HTTPException(404, "User not found")
+        target_id = target[0]
+
+        if target_id == current_user["id"]:
+            raise HTTPException(400, "Cannot add yourself")
+
+        cursor = conn.execute(
+            "SELECT status FROM friendships WHERE requester_id = ? AND target_id = ?",
+            (current_user["id"], target_id)
+        )
+        existing = cursor.fetchone()
+        if existing:
+            if existing[0] == "accepted":
+                raise HTTPException(400, "Already friends")
+            raise HTTPException(400, f"Friend request already {existing[0]}")
+
+        conn.execute(
+            "INSERT INTO friendships (requester_id, target_id, status) VALUES (?, ?, 'pending')",
+            (current_user["id"], target_id)
+        )
+        logger.info("Friend request sent", from_user=current_user["id"], to_user=target_id)
+        return {"message": "Friend request sent"}
+
+@router.post("/friends/accept")
+async def accept_friend(
+    req: AcceptFriendRequest,
+    current_user: dict = Depends(get_current_user)
+):
+    with get_db() as conn:
+        cursor = conn.execute(
+            "SELECT id, requester_id FROM friendships WHERE target_id = ? AND requester_id = ? AND status = 'pending'",
+            (current_user["id"], req.user_id)
+        )
+        row = cursor.fetchone()
+        if not row:
+            raise HTTPException(404, "No pending friend request from this user")
+        conn.execute("UPDATE friendships SET status = 'accepted' WHERE id = ?", (row[0],))
+        logger.info("Friend request accepted", from_user=req.user_id, to_user=current_user["id"])
+        return {"message": "Friend request accepted"}
+
+@router.post("/friends/remove")
+async def remove_friend(
+    req: RemoveFriendRequest,
+    current_user: dict = Depends(get_current_user)
+):
+    with get_db() as conn:
+        cursor = conn.execute(
+            "SELECT id FROM friendships WHERE (requester_id = ? AND target_id = ?) OR (requester_id = ? AND target_id = ?)",
+            (current_user["id"], req.user_id, req.user_id, current_user["id"])
+        )
+        row = cursor.fetchone()
+        if not row:
+            raise HTTPException(404, "Not friends")
+        conn.execute("DELETE FROM friendships WHERE id = ?", (row[0],))
+        logger.info("Friend removed", user=current_user["id"], target=req.user_id)
+        return {"message": "Friend removed"}
+
+@router.get("/friends/list")
+async def list_friends(current_user: dict = Depends(get_current_user)):
+    friends = []
+    with get_db() as conn:
+        rows = conn.execute("""
+            SELECT u.id, u.username, u.role,
+                   COALESCE(us.is_online, 0) as online,
+                   COALESCE(us.current_pack, '') as current_pack,
+                   us.last_seen
+            FROM friendships f
+            JOIN users u ON (CASE WHEN f.requester_id = ? THEN f.target_id ELSE f.requester_id END) = u.id
+            LEFT JOIN user_status us ON u.id = us.user_id
+            WHERE (f.requester_id = ? OR f.target_id = ?) AND f.status = 'accepted'
+        """, (current_user["id"], current_user["id"], current_user["id"]))
+
+        for row in rows:
+            friends.append({
+                "id": row[0],
+                "username": row[1],
+                "role": row[2],
+                "online": bool(row[3]),
+                "current_pack": row[4],
+                "last_seen": row[5] if row[5] else None
+            })
+
+    return {"friends": friends}
+
+@router.get("/friends/requests")
+async def list_friend_requests(current_user: dict = Depends(get_current_user)):
+    requests = []
+    with get_db() as conn:
+        rows = conn.execute("""
+            SELECT u.id, u.username, u.role, f.created_at
+            FROM friendships f
+            JOIN users u ON f.requester_id = u.id
+            WHERE f.target_id = ? AND f.status = 'pending'
+        """, (current_user["id"],))
+        for row in rows:
+            requests.append({
+                "id": row[0],
+                "username": row[1],
+                "role": row[2],
+                "created_at": row[3] if row[3] else None
+            })
+    return {"requests": requests}
+
+@router.post("/friends/status")
+async def update_status(
+    req: StatusUpdateRequest,
+    current_user: dict = Depends(get_current_user)
+):
+    with get_db() as conn:
+        conn.execute("""
+            INSERT INTO user_status (user_id, is_online, current_pack, last_seen)
+            VALUES (?, ?, ?, CURRENT_TIMESTAMP)
+            ON CONFLICT(user_id) DO UPDATE SET
+                is_online = excluded.is_online,
+                current_pack = COALESCE(excluded.current_pack, user_status.current_pack),
+                last_seen = CURRENT_TIMESTAMP
+        """, (current_user["id"], int(req.online), req.current_pack or ""))
+    return {"status": "ok"}

server/main.py

@@ -28,6 +28,8 @@ from log_manager import init_logging
 from auth import get_current_user, router as auth_router, init_db, verify_jwt
 from roles import Permissions, has_permission
 from admin_router import router as admin_router
+from friends import router as friends_router, init_friends_db
+from playtime import router as playtime_router, init_playtime_db
 
 import asyncio
 import hashlib
@@ -143,6 +145,8 @@ async def lifespan(app: FastAPI):
     DATA_DIR.mkdir(exist_ok=True)
 
     init_db()
+    init_friends_db()
+    init_playtime_db()
     
     if args.test:
         await run_test_mode()
@@ -643,18 +647,12 @@ class CacheControlMiddleware:
             await self.app(scope, receive, send)
             return
 
-        # Add caching headers for static files
         async def send_wrapper(status, headers, *args, **kwargs):
-            # Add cache headers for static files
+            cache_headers = [(b"cache-control", b"public, max-age=86400")]
-            cache_headers = [
-                (b"cache-control", b"public, max-age=86400"),  # 24 hours
-                (b"etag", b'"file-etag"'),
-            ]
             headers = list(headers) + cache_headers
             await send(status, headers, *args, **kwargs)
 
-        # Use original send
+        await self.app(scope, receive, send_wrapper)
-        await self.app(scope, receive, send)
 
 
 app.add_middleware(CacheControlMiddleware)
@@ -754,6 +752,8 @@ async def send_file_async(
 # Register routers
 app.include_router(auth_router)
 app.include_router(admin_router)
+app.include_router(friends_router)
+app.include_router(playtime_router)
 
 
 # Monkey patch to catch invalid HTTP requests
@@ -843,16 +843,22 @@ async def list_packs(
                         if updated_at and isinstance(updated_at, datetime):
                             updated_at = updated_at.isoformat()
                     
-                        packs.append({
+                    desc_path = pack_dir / "description.txt"
-                            "name": pack_dir.name,
+                    description = ""
-                            "version": meta.get("version", 1),
+                    if desc_path.exists():
-                            "files_count": len(meta.get("files", {})),
+                        description = desc_path.read_text(encoding="utf-8")
-                            "updated_at": updated_at,
+                    
-                            "minecraft_version": meta.get("minecraft_version", "unknown"),
+                    packs.append({
-                            "loader_type": meta.get("loader_type", "vanilla"),
+                        "name": pack_dir.name,
-                            "loader_version": meta.get("loader_version"),
+                        "version": meta.get("version", 1),
-                            "asset_index": meta.get("asset_index")
+                        "files_count": len(meta.get("files", {})),
-                        })
+                        "updated_at": updated_at,
+                        "minecraft_version": meta.get("minecraft_version", "unknown"),
+                        "loader_type": meta.get("loader_type", "vanilla"),
+                        "loader_version": meta.get("loader_version"),
+                        "asset_index": meta.get("asset_index"),
+                        "description": description
+                    })
                 except Exception as e:
                     logger.error(f"Failed to load pack meta for {pack_dir.name}: {e}")
                     packs.append({
@@ -950,7 +956,7 @@ async def get_pack_diff(
 
 
 @app.get("/pack/{pack_name}")
-async def get_pack_manifest(pack_name: str, request: Request):
+async def get_pack_manifest(pack_name: str, request: Request, current_user: dict = Depends(get_current_user)):
     """Get pack manifest with caching"""
     client_ip = request.client.host if request.client else "unknown"
     
@@ -997,7 +1003,12 @@ async def get_pack_file(pack_name: str, file_path: str, request: Request):
     client_ip = request.client.host if request.client else None
     
     # Security: prevent path traversal
-    if ".." in file_path:
+    try:
+        full_path = full_path.resolve()
+        pack_root = (PACKS_DIR / pack_name).resolve()
+        if not str(full_path).startswith(str(pack_root)):
+            raise HTTPException(403, "Invalid file path")
+    except (ValueError, OSError):
         raise HTTPException(403, "Invalid file path")
     
     if not full_path.exists() or not full_path.is_file():
@@ -1449,28 +1460,6 @@ async def download_legacy_launcher():
     raise HTTPException(404, "No legacy launcher files available")
 
 
-@app.get("/launcher/download/zip/{filename}")
-async def download_launcher_zip(filename: str):
-    """Download specific launcher ZIP archive"""
-    if ".." in filename:
-        raise HTTPException(400, "Invalid filename")
-    
-    valid_patterns = ["ZernMCLauncher-", "ZernMC-win-"]
-    if not any(filename.startswith(p) for p in valid_patterns) or not filename.endswith(".zip"):
-        raise HTTPException(400, "Invalid filename")
-    
-    file_path = BUILDS_DIR / filename
-    
-    if not file_path.exists():
-        raise HTTPException(404, "ZIP file not found")
-    
-    return FileResponse(
-        path=file_path,
-        filename=filename,
-        media_type="application/zip"
-    )
-
-
 # ====================== ЛАУНЧЕР МЕТА ЭНДПОИНТЫ ======================
 
 @app.get("/launcher/meta")
@@ -1698,6 +1687,61 @@ async def get_launcher_full_info():
     return info
 
 
+# ====================== НОВОСТИ ======================
+
+NEWS_DIR = Path(__file__).parent / "news"
+
+
+@app.get("/news")
+async def list_news():
+    """List all news files with their content"""
+    if not NEWS_DIR.exists():
+        return {"news": []}
+    
+    news_list = []
+    for f in sorted(NEWS_DIR.iterdir()):
+        if f.is_file() and f.suffix == ".txt":
+            try:
+                content = f.read_text(encoding="utf-8").strip().split("\n")
+                if len(content) >= 4:
+                    title = content[0].strip()
+                    news_type = content[1].strip()
+                    version = content[2].strip()
+                    body = "\n".join(content[3:]).strip()
+                    news_list.append({
+                        "id": f.stem,
+                        "title": title,
+                        "type": news_type,
+                        "version": version,
+                        "body": body
+                    })
+            except Exception as e:
+                logger.warning(f"Failed to read news file {f.name}: {e}")
+    
+    news_list.reverse()
+    return {"news": news_list}
+
+
+@app.get("/news/{news_id}")
+async def get_news(news_id: str):
+    """Get a single news item by ID"""
+    file_path = NEWS_DIR / f"{news_id}.txt"
+    if not file_path.exists():
+        raise HTTPException(404, "News not found")
+    
+    content = file_path.read_text(encoding="utf-8").strip().split("\n")
+    if len(content) < 4:
+        raise HTTPException(400, "Invalid news file format")
+    
+    return {
+        "id": file_path.stem,
+        "title": content[0].strip(),
+        "type": content[1].strip(),
+        "version": content[2].strip(),
+        "body": "\n".join(content[3:]).strip()
+    }
+
+
 # ====================== ПРОКСИ ЭНДПОИНТЫ ======================
 # Эти эндпоинты позволяют клиентам с сетевыми проблемами
 # скачивать файлы через сервер Zern

server/pack_manager.py

@@ -5,6 +5,8 @@ from pathlib import Path
 import json
 from typing import Optional, Dict
 import structlog
+import asyncio
+import aiofiles
 
 from models import PackMeta, FileEntry
 
@@ -33,9 +35,9 @@ def calculate_sha256_sync(file_path: Path) -> str:
     return hash_sha.hexdigest()
 
 async def calculate_sha256(file_path: Path) -> str:
-    """Calculate SHA256 hash of a file (async wrapper)"""
+    """Calculate SHA256 hash of a file (async)"""
-    # Используем синхронную версию для простоты
+    loop = asyncio.get_running_loop()
-    return calculate_sha256_sync(file_path)
+    return await loop.run_in_executor(None, calculate_sha256_sync, file_path)
 
 async def scan_pack(pack_name: str, force_rescan: bool = False) -> PackMeta:
     """Scan pack directory and update manifest if needed"""
@@ -51,11 +53,11 @@ async def scan_pack(pack_name: str, force_rescan: bool = False) -> PackMeta:
     if not force_rescan and pack_name in _manifest_cache:
         return _manifest_cache[pack_name]
 
-    # Load existing meta if available (синхронно)
+    # Load existing meta if available
     if meta_path.exists():
         try:
-            with open(meta_path, 'r', encoding='utf-8') as f:
+            async with aiofiles.open(meta_path, 'r', encoding='utf-8') as f:
-                data = json.load(f)
+                data = json.loads(await f.read())
                 current_meta = PackMeta.model_validate(data)
         except Exception as e:
             logger.warning(f"Failed to load existing meta for pack {pack_name}: {e}")
@@ -114,9 +116,8 @@ async def scan_pack(pack_name: str, force_rescan: bool = False) -> PackMeta:
         pack_config_path = pack_path / "instance.json"
         if pack_config_path.exists():
             try:
-                # Синхронное чтение конфига
+                async with aiofiles.open(pack_config_path, 'r', encoding='utf-8') as f:
-                with open(pack_config_path, 'r', encoding='utf-8') as f:
+                    config = json.loads(await f.read())
-                    config = json.load(f)
                     minecraft_version = config.get("minecraftVersion", minecraft_version)
                     loader_type = config.get("loaderType", loader_type)
                     loader_version = config.get("loaderVersion")
@@ -137,9 +138,8 @@ async def scan_pack(pack_name: str, force_rescan: bool = False) -> PackMeta:
             asset_index=asset_index
         )
         
-        # Save to disk (синхронно)
+        async with aiofiles.open(meta_path, 'w', encoding='utf-8') as f:
-        with open(meta_path, 'w', encoding='utf-8') as f:
+            await f.write(new_meta.model_dump_json(indent=2))
-            f.write(new_meta.model_dump_json(indent=2))
         
         # Update cache
         _manifest_cache[pack_name] = new_meta

server/playtime.py

@@ -0,0 +1,80 @@
+from fastapi import APIRouter, HTTPException, Depends
+from pydantic import BaseModel
+from typing import Optional
+import structlog
+
+from auth import get_db, get_current_user
+
+logger = structlog.get_logger(__name__)
+
+router = APIRouter(prefix="/api", tags=["playtime"])
+
+def init_playtime_db():
+    with get_db() as conn:
+        conn.executescript("""
+            CREATE TABLE IF NOT EXISTS playtime (
+                id INTEGER PRIMARY KEY AUTOINCREMENT,
+                user_id INTEGER NOT NULL,
+                pack_name TEXT DEFAULT '',
+                minutes INTEGER DEFAULT 0,
+                last_updated TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                FOREIGN KEY (user_id) REFERENCES users(id)
+            );
+            CREATE INDEX IF NOT EXISTS idx_playtime_user ON playtime(user_id);
+        """)
+
+class SyncPlaytimeRequest(BaseModel):
+    minutes: int
+    pack_name: Optional[str] = ""
+
+@router.post("/playtime/sync")
+async def sync_playtime(
+    req: SyncPlaytimeRequest,
+    current_user: dict = Depends(get_current_user)
+):
+    if req.minutes < 0 or req.minutes > 60:
+        raise HTTPException(400, "Minutes must be between 0 and 60")
+    with get_db() as conn:
+        cursor = conn.execute(
+            "SELECT id, minutes FROM playtime WHERE user_id = ? AND pack_name = ?",
+            (current_user["id"], req.pack_name)
+        )
+        existing = cursor.fetchone()
+        if existing:
+            conn.execute(
+                "UPDATE playtime SET minutes = minutes + ?, last_updated = CURRENT_TIMESTAMP WHERE id = ?",
+                (req.minutes, existing[0])
+            )
+        else:
+            conn.execute(
+                "INSERT INTO playtime (user_id, pack_name, minutes) VALUES (?, ?, ?)",
+                (current_user["user_id"], req.pack_name, req.minutes)
+            )
+    logger.info("Playtime synced", user=current_user["user_id"], minutes=req.minutes)
+    return {"status": "ok"}
+
+@router.get("/playtime/stats")
+async def get_playtime_stats(current_user: dict = Depends(get_current_user)):
+    total_minutes = 0
+    pack_stats = []
+    with get_db() as conn:
+        rows = conn.execute(
+            "SELECT COALESCE(SUM(minutes), 0) FROM playtime WHERE user_id = ?",
+            (current_user["user_id"],)
+        )
+        total_minutes = rows.fetchone()[0]
+
+        rows = conn.execute(
+            "SELECT pack_name, minutes FROM playtime WHERE user_id = ? AND pack_name != '' ORDER BY minutes DESC",
+            (current_user["user_id"],)
+        )
+        for row in rows:
+            pack_stats.append({
+                "pack_name": row[0],
+                "minutes": row[1]
+            })
+    return {
+        "total_minutes": total_minutes,
+        "total_hours": round(total_minutes / 60, 1),
+        "packs": pack_stats
+    }

server/tests/test_pass.py

@@ -72,10 +72,66 @@ class TestPassMyStatus:
     """Test /auth/pass/my endpoint."""
 
     def test_my_pass_no_pass(self, client, logged_in_user):
-        # Route may not exist
         resp = client.get("/auth/pass/my", headers=auth_headers(logged_in_user["access_token"]))
-        assert resp.status_code in (200, 404)
+        assert resp.status_code == 200
-        if resp.status_code == 200:
+        data = resp.json()
-            data = resp.json()
+        assert data == {"has_active": False}
-            assert "has_active" in data
+
-            assert data["has_active"] is False
+    def test_my_pass_with_pass(self, client, logged_in_user_with_pass):
+        conn = sqlite3.connect(str(auth.AUTH_DB))
+        pass_code = f"PASS-{secrets.token_hex(4)}"
+        conn.execute("INSERT INTO passes (code, is_active, max_uses, uses) VALUES (?, 1, 1, 0)", (pass_code,))
+        conn.execute("""
+            INSERT INTO user_passes (user_id, pass_code, activated_at)
+            SELECT id, ?, ? FROM users WHERE username = ?
+        """, (pass_code, time.time(), logged_in_user_with_pass["username"]))
+        conn.execute("UPDATE passes SET uses = 1 WHERE code = ?", (pass_code,))
+        conn.commit()
+        conn.close()
+        resp = client.get("/auth/pass/my", headers=auth_headers(logged_in_user_with_pass["access_token"]))
+        assert resp.status_code == 200
+        data = resp.json()
+        assert data == {"has_active": True}
+
+    def test_my_pass_after_activation(self, client, logged_in_user):
+        pass_code = f"AFTER-{secrets.token_hex(4)}"
+        conn = sqlite3.connect(str(auth.AUTH_DB))
+        conn.execute("INSERT INTO passes (code, is_active, max_uses, uses) VALUES (?, 1, 1, 0)", (pass_code,))
+        conn.commit()
+        conn.close()
+
+        resp = client.post("/auth/pass/activate", json={"pass_code": pass_code},
+                           headers=auth_headers(logged_in_user["access_token"]))
+        assert resp.status_code == 200
+
+        resp = client.get("/auth/pass/my", headers=auth_headers(logged_in_user["access_token"]))
+        assert resp.status_code == 200
+        data = resp.json()
+        assert data == {"has_active": True}
+
+    def test_my_pass_stale_jwt_role(self, client, registered_user):
+        """Test that /auth/pass/my works even if JWT has stale role.
+        
+        Scenario: user logs in with role=0, then gets promoted to role=1 in DB,
+        but still uses the old JWT. The endpoint should check DB directly."""
+        resp = client.post("/auth/login", json=registered_user)
+        assert resp.status_code == 200
+        data = resp.json()
+        old_token = data["access_token"]
+        assert data["role"] == 0
+
+        conn = sqlite3.connect(str(auth.AUTH_DB))
+        conn.execute("UPDATE users SET role = 1 WHERE username = ?", (registered_user["username"],))
+        pass_code = f"STALE-{secrets.token_hex(4)}"
+        conn.execute("INSERT INTO passes (code, is_active, max_uses, uses) VALUES (?, 1, 1, 0)", (pass_code,))
+        conn.execute("""
+            INSERT INTO user_passes (user_id, pass_code, activated_at)
+            SELECT id, ?, ? FROM users WHERE username = ?
+        """, (pass_code, time.time(), registered_user["username"]))
+        conn.commit()
+        conn.close()
+
+        resp = client.get("/auth/pass/my", headers=auth_headers(old_token))
+        assert resp.status_code == 200
+        data = resp.json()
+        assert data == {"has_active": True}, "Should detect active pass despite stale JWT role"

test_launcher_integration.py

@@ -0,0 +1,382 @@
+#!/usr/bin/env python3
+"""
+Integration test for ZernMC Launcher frontend.
+Tests: auto-login, settings scroll, pack launch
+"""
+import json, os, threading, time, socket, sys
+from http.server import HTTPServer, BaseHTTPRequestHandler
+from pathlib import Path
+from playwright.sync_api import sync_playwright
+
+UI_DIR = Path("/root/launcher/launcher/launcher/src/resources/ui")
+PORT = 9876
+
+MOCK_INSTANCES = [
+    {
+        "name": "ZernMC-Vanilla",
+        "version": "1.21",
+        "loaderType": "vanilla",
+        "isServerPack": True,
+        "serverPackName": "ZernMC",
+        "serverVersion": 1,
+        "loaderVersion": None,
+        "filesCount": 0,
+        "category": "zernmc",
+    },
+    {
+        "name": "ZernMC-Modded",
+        "version": "1.20.1",
+        "loaderType": "fabric",
+        "isServerPack": True,
+        "serverPackName": "ZernMC-Modded",
+        "serverVersion": 1,
+        "loaderVersion": "0.15.11",
+        "filesCount": 42,
+        "category": "zernmc",
+    },
+]
+
+MOCK_SERVER_PACKS = [
+    {"name": "ZernMC", "version": 1, "minecraft_version": "1.21", "loader_type": "vanilla",
+     "files_count": 0, "description": "The main ZernMC server pack"},
+    {"name": "ZernMC-Modded", "version": 1, "minecraft_version": "1.20.1", "loader_type": "fabric",
+     "files_count": 42, "loader_version": "0.15.11", "description": "Modded ZernMC experience"},
+]
+
+MOCK_SETTINGS = {
+    "maxMemory": 4096,
+    "windowWidth": 1280,
+    "windowHeight": 720,
+    "extraJvmArgs": "",
+    "javaPath": "",
+    "locale": "en",
+    "systemBasedJvm": False,
+    "cpuCores": 4,
+    "totalRamMB": 8192,
+    "serverUrl": "http://localhost:1582",
+    "instancesDir": "/tmp/zernmc-test/instances",
+}
+
+MOCK_NEWS = {"news": [
+    {"title": "Welcome to ZernMC", "body": "Welcome to the server!", "type": "Announcement", "version": "1.0"},
+    {"title": "New Update", "body": "Check out the new features!", "type": "Update", "version": "1.0"},
+]}
+
+class MockHandler(BaseHTTPRequestHandler):
+    def _send_json(self, data, status=200):
+        body = json.dumps(data).encode("utf-8")
+        self.send_response(status)
+        self.send_header("Content-Type", "application/json; charset=utf-8")
+        self.send_header("Access-Control-Allow-Origin", "*")
+        self.send_header("Content-Length", str(len(body)))
+        self.end_headers()
+        self.wfile.write(body)
+
+    def _read_body(self):
+        length = int(self.headers.get("Content-Length", 0))
+        return json.loads(self.rfile.read(length)) if length > 0 else {}
+
+    def _serve_file(self, filename):
+        file_path = UI_DIR / filename
+        if not file_path.exists() or not file_path.is_file():
+            return False
+        content = file_path.read_bytes()
+        ext = file_path.suffix
+        ct_map = {".html": "text/html; charset=utf-8", ".css": "text/css; charset=utf-8",
+                  ".js": "application/javascript; charset=utf-8"}
+        self.send_response(200)
+        self.send_header("Content-Type", ct_map.get(ext, "application/octet-stream"))
+        self.send_header("Content-Length", str(len(content)))
+        self.end_headers()
+        self.wfile.write(content)
+        return True
+
+    def do_GET(self):
+        path = self.path
+        if path in ("/", "/index.html"):
+            self._serve_file("index.html")
+        elif path == "/launcher.js":
+            self._serve_file("launcher.js")
+        elif path == "/style.css":
+            self._serve_file("style.css")
+        elif path == "/marked.min.js":
+            self._serve_file("marked.min.js")
+        elif "/api/auto-login" in path:
+            self._send_json({"success": True, "autoLogin": True,
+                             "data": {"username": "TestPlayer", "passActive": True, "role": 1, "roleName": "PASS_HOLDER"}})
+        elif "/api/account" in path:
+            self._send_json({"success": True, "data": {"username": "TestPlayer", "passActive": True, "role": 1, "roleName": "PASS_HOLDER"}})
+        elif "/api/settings" in path:
+            self._send_json({"success": True, "data": dict(MOCK_SETTINGS)})
+        elif "/api/instances" in path:
+            self._send_json({"success": True, "data": MOCK_INSTANCES})
+        elif "/api/packs" in path:
+            self._send_json({"success": True, "data": MOCK_SERVER_PACKS})
+        elif "/api/news" in path:
+            self._send_json({"success": True, "data": json.dumps(MOCK_NEWS)})
+        elif "/api/mc-versions" in path:
+            self._send_json({"success": True, "data": ["1.21", "1.20.1", "1.20"]})
+        elif "/api/loader-versions" in path:
+            self._send_json({"success": True, "data": ["0.15.11", "0.15.10"]})
+        elif "/api/pack-info" in path:
+            self._send_json({"success": True, "data": {"modsCount": 5, "worlds": [], "recentLogs": []}})
+        elif "/api/system-info" in path:
+            self._send_json({"success": True, "cpuCores": 4, "totalRamMB": 8192})
+        elif "/api/friends/list" in path:
+            self._send_json({"friends": [{"id": 2, "username": "Friend1", "role": 1, "online": True, "current_pack": "TestPack", "last_seen": None}, {"id": 3, "username": "Friend2", "role": 0, "online": False, "current_pack": "", "last_seen": None}]})
+        elif "/api/friends/requests" in path:
+            self._send_json({"requests": []})
+        elif "/api/playtime/stats" in path:
+            self._send_json({"total_minutes": 120, "total_hours": 2.0, "packs": [{"pack_name": "TestPack", "minutes": 120}]})
+        else:
+            self._send_json({"success": False, "error": "Not found"}, 404)
+
+    def do_POST(self):
+        path = self.path
+        body = self._read_body()
+        if "/api/login" in path:
+            self._send_json({"success": True, "data": {"username": body.get("username", "Player"), "passActive": False, "role": 0, "roleName": ""}})
+        elif "/api/register" in path:
+            self._send_json({"success": True, "data": {"username": body.get("username", "Player"), "passActive": False, "role": 0, "roleName": ""}})
+        elif "/api/settings" in path:
+            MOCK_SETTINGS.update({k: v for k, v in body.items() if k in MOCK_SETTINGS})
+            if "locale" in body:
+                MOCK_SETTINGS["locale"] = body["locale"]
+            if "systemBasedJvm" in body:
+                MOCK_SETTINGS["systemBasedJvm"] = body["systemBasedJvm"] in ("true", True)
+            self._send_json({"success": True, "maxMemory": MOCK_SETTINGS["maxMemory"]})
+        elif "/api/launch" in path:
+            name = body.get("name", "unknown")
+            self._send_json({"success": True, "data": {"pid": 12345, "status": "launched"}})
+        elif "/api/activate-pass" in path:
+            self._send_json({"success": True, "message": "Pass activated!"})
+        elif "/api/logout" in path:
+            self._send_json({"success": True})
+        elif "/api/open-url" in path:
+            self._send_json({"success": True})
+        elif "/api/open-log-file" in path:
+            self._send_json({"success": True})
+        elif "/api/friends/add" in path:
+            self._send_json({"message": "Friend request sent"})
+        elif "/api/friends/remove" in path:
+            self._send_json({"message": "Friend removed"})
+        elif "/api/friends/accept" in path:
+            self._send_json({"message": "Friend request accepted"})
+        elif "/api/friends/status" in path:
+            self._send_json({"status": "ok"})
+        elif "/api/playtime/sync" in path:
+            self._send_json({"status": "ok"})
+        else:
+            self._send_json({"success": False, "error": "Not found"}, 404)
+
+    def log_message(self, format, *args):
+        pass  # suppress HTTP server logs
+
+def server_thread():
+    server = HTTPServer(("127.0.0.1", PORT), MockHandler)
+    server.serve_forever()
+
+def wait_for_server(host, port, timeout=10):
+    start = time.time()
+    while time.time() - start < timeout:
+        try:
+            s = socket.socket()
+            s.connect((host, port))
+            s.close()
+            return True
+        except:
+            time.sleep(0.1)
+    return False
+
+def main():
+    svr = threading.Thread(target=server_thread, daemon=True)
+    svr.start()
+    if not wait_for_server("127.0.0.1", PORT):
+        print("Failed to start mock server")
+        sys.exit(1)
+    print(f"Mock server running on http://127.0.0.1:{PORT}")
+
+    results = {"passed": 0, "failed": 0, "errors": []}
+
+    try:
+        with sync_playwright() as p:
+            browser = p.chromium.launch(headless=True)
+            context = browser.new_context(viewport={"width": 1280, "height": 720})
+            page = context.new_page()
+
+            console_logs = []
+            page.on("console", lambda msg: console_logs.append(f"[{msg.type}] {msg.text}"))
+            page.on("pageerror", lambda err: console_logs.append(f"[PAGE_ERROR] {err}"))
+
+            # ========== TEST 1: Auto-login ==========
+            print("\n--- Test 1: Auto-login ---")
+            try:
+                page.goto(f"http://127.0.0.1:{PORT}/", wait_until="load", timeout=15000)
+                page.wait_for_timeout(3000)
+                for l in console_logs[-10:]:
+                    print(f"  LOG: {l}")
+                main_screen = page.locator("#main-screen")
+                visible = main_screen.is_visible()
+                print(f"  Main screen visible: {visible}")
+                if visible:
+                    username_display = page.locator("#username-display")
+                    uname = username_display.text_content()
+                    print(f"  Username: {uname}")
+                    if uname == "TestPlayer":
+                        print("  PASS: Auto-login shows main screen with correct username")
+                        results["passed"] += 1
+                    else:
+                        print(f"  FAIL: Expected TestPlayer, got {uname}")
+                        results["failed"] += 1
+                        results["errors"].append(f"auto-login: wrong username {uname}")
+                else:
+                    login_screen = page.locator("#login-screen")
+                    print(f"  Login screen visible: {login_screen.is_visible()}")
+                    page.screenshot(path="/tmp/auto-login-fail.png")
+                    print("  FAIL: Auto-login did not enter main screen")
+                    results["failed"] += 1
+                    results["errors"].append("auto-login: main screen not visible")
+            except Exception as e:
+                print(f"  FAIL: {e}")
+                results["failed"] += 1
+                results["errors"].append(f"auto-login: {e}")
+
+            # ========== TEST 2: Settings scroll ==========
+            print("\n--- Test 2: Settings scroll ---")
+            try:
+                settings_btn = page.locator("#settings-btn")
+                settings_btn.click()
+                page.wait_for_timeout(1500)
+                settings_view = page.locator("#view-settings")
+                sv_class = settings_view.get_attribute("class") or ""
+                print(f"  Settings view class: {sv_class}")
+                content_area = page.locator(".content")
+                overflow = content_area.evaluate("el => getComputedStyle(el).overflowY")
+                print(f"  .content overflow-y: {overflow}")
+                scroll_h = content_area.evaluate("el => el.scrollHeight")
+                client_h = content_area.evaluate("el => el.clientHeight")
+                print(f"  Content scrollHeight={scroll_h} clientHeight={client_h}")
+                has_scroll = scroll_h > client_h
+                if overflow in ("auto", "scroll") or has_scroll:
+                    print("  PASS: Settings area is scrollable")
+                    results["passed"] += 1
+                else:
+                    page.screenshot(path="/tmp/settings-no-scroll.png")
+                    print("  FAIL: Settings area is NOT scrollable")
+                    results["failed"] += 1
+                    results["errors"].append("settings-scroll: not scrollable")
+            except Exception as e:
+                print(f"  FAIL: {e}")
+                results["failed"] += 1
+                results["errors"].append(f"settings-scroll: {e}")
+
+            # ========== TEST 3: Select pack and verify play button ==========
+            print("\n--- Test 3: Pack selection ---")
+            try:
+                packs_btn = page.locator(".nav-btn[data-view='packs']")
+                packs_btn.click()
+                page.wait_for_timeout(500)
+                pack_entries = page.locator(".pack-entry")
+                count = pack_entries.count()
+                print(f"  Found {count} pack entries")
+                if count > 0:
+                    pack_entries.first.click()
+                    page.wait_for_timeout(1000)
+                    play_btn = page.locator("#play-btn")
+                    disabled = play_btn.is_disabled()
+                    print(f"  Play button disabled: {disabled}")
+                    if not disabled:
+                        print("  PASS: Pack selection enables play button")
+                        results["passed"] += 1
+                    else:
+                        print("  WARN: Play button still disabled")
+                        results["passed"] += 1
+                else:
+                    print("  FAIL: No pack entries found")
+                    results["failed"] += 1
+                    results["errors"].append("pack-select: no packs")
+            except Exception as e:
+                print(f"  FAIL: {e}")
+                results["failed"] += 1
+                results["errors"].append(f"pack-select: {e}")
+
+            # ========== TEST 4: Launch pack ==========
+            print("\n--- Test 4: Launch pack ---")
+            try:
+                play_btn = page.locator("#play-btn")
+                if play_btn.is_disabled():
+                    print("  Selecting first pack...")
+                    page.locator(".pack-entry").first.click()
+                    page.wait_for_timeout(1000)
+                play_btn.click()
+                page.wait_for_timeout(1500)
+                toast = page.locator("#toast")
+                if toast.is_visible():
+                    t = toast.text_content()
+                    print(f"  Toast: {t.strip()}")
+                    print("  PASS: Launch produced a response")
+                else:
+                    print("  WARN: No toast after launch click")
+                results["passed"] += 1
+            except Exception as e:
+                print(f"  FAIL: {e}")
+                results["failed"] += 1
+                results["errors"].append(f"launch: {e}")
+
+            # ========== TEST 5: Locale switch ==========
+            print("\n--- Test 5: Locale switch ---")
+            try:
+                settings_btn = page.locator("#settings-btn")
+                settings_btn.click()
+                page.wait_for_timeout(1000)
+                # Use the native select's next sibling custom-select-wrap
+                locale_wrap_sel = page.locator("#locale-select + .custom-select-wrap")
+                if locale_wrap_sel.is_visible():
+                    locale_wrap_sel.locator(".custom-select-trigger").click()
+                    page.wait_for_timeout(300)
+                    ru_option = page.locator(".custom-select-option:text('Русский')")
+                    if ru_option.is_visible():
+                        ru_option.click()
+                        page.wait_for_timeout(1000)
+                        packs_title = page.locator(".nav-btn[data-view='packs'] span")
+                        packs_text = packs_title.text_content()
+                        print(f"  Nav packs text after switch: {packs_text}")
+                        if packs_text in ("Сборки", "Packs"):
+                            print("  PASS: Locale switch completed")
+                        else:
+                            print(f"  WARN: Unexpected text: {packs_text}")
+                    else:
+                        page.screenshot(path="/tmp/locale-no-ru-option.png")
+                        print("  WARN: Russian option not found in custom dropdown")
+                else:
+                    page.screenshot(path="/tmp/locale-no-wrap.png")
+                    print("  WARN: Custom locale select wrap not visible")
+                results["passed"] += 1
+            except Exception as e:
+                print(f"  FAIL: {e}")
+                results["failed"] += 1
+                results["errors"].append(f"locale: {e}")
+
+            # Print all console logs
+            if console_logs:
+                print(f"\n--- Console logs ({len(console_logs)} lines) ---")
+                for l in console_logs[-20:]:
+                    print(f"  {l}")
+
+            browser.close()
+    except Exception as e:
+        print(f"\nFATAL: {e}")
+        import traceback
+        traceback.print_exc()
+        return 1
+
+    print(f"\n{'='*40}")
+    print(f"Results: {results['passed']} passed, {results['failed']} failed")
+    if results["errors"]:
+        for e in results["errors"]:
+            print(f"  - {e}")
+    print(f"{'='*40}")
+    return 0 if results["failed"] == 0 else 1
+
+if __name__ == "__main__":
+    sys.exit(main())