Fix version reading - fallback to JAR manifest, fix server version URL

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

@@ -9,6 +9,9 @@ import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
+import java.util.jar.Attributes;
+import java.util.jar.JarFile;
+import java.util.jar.Manifest;
 
 public class Bootstrap {
     private static final String JAR_NAME = "zernmclauncher.jar";
@@ -79,14 +82,31 @@ public class Bootstrap {
                 if (!v.isBlank()) return v;
             } catch (Exception ignored) {}
         }
+
+        // Fallback: читаем из манифеста JAR
+        Path jar = getLauncherJar();
+        if (Files.exists(jar)) {
+            try (JarFile jarFile = new JarFile(jar.toFile())) {
+                Manifest manifest = jarFile.getManifest();
+                if (manifest != null) {
+                    String v = manifest.getMainAttributes().getValue(Attributes.Name.IMPLEMENTATION_VERSION);
+                    if (v != null && !v.isBlank()) return v;
+                }
+            } catch (Exception e) {
+                log("Ошибка чтения манифеста: " + e.getMessage());
+            }
+        }
+
         return "0.0.0";
     }
     
     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");
+            conn.setConnectTimeout(5000);
+            conn.setReadTimeout(5000);
             if (conn.getResponseCode() == 200) {
                 try (BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()))) {
                     String line = br.readLine();
@@ -95,7 +115,9 @@ public class Bootstrap {
                     }
                 }
             }
-        } catch (Exception ignored) {}
+        } catch (Exception e) {
+            log("Ошибка получения версии: " + e.getMessage());
+        }
         return "unknown";
     }