Remove build.version dependency

- Read version only from JAR manifest (Implementation-Version)
- Remove all VERSION_FILE references from Bootstrap
- Remove build.version from scanLocalFiles() and update methods

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

@@ -12,7 +12,6 @@ import java.util.jar.Attributes;
 import java.util.jar.Manifest;
 
 public class Bootstrap {
-    private static final String VERSION_FILE = "build.version";
     private static final String JAR_NAME = "zernmclauncher.jar";
     private static final String BASE_URL = "http://87.120.187.36:1582";
     private static final int BUFFER_SIZE = 8192;
@@ -85,12 +84,6 @@ public class Bootstrap {
             }
         } catch (Exception ignored) {}
 
-        // Fallback: из build.version
-        Path f = baseDir.resolve(VERSION_FILE);
-        try {
-            if (Files.exists(f)) return Files.readString(f).trim();
-        } catch (Exception ignored) {}
-
         return "0.0.0";
     }
     
@@ -207,8 +200,7 @@ public class Bootstrap {
                 }
             }
 
-            // 6. Записываем новую версию
-            Files.writeString(baseDir.resolve(VERSION_FILE), serverVersion);
+            // 6. Версия уже в манифесте JAR
             log("Обновлено до v" + serverVersion);
 
         } catch (Exception e) {
@@ -336,7 +328,6 @@ public class Bootstrap {
         // Сканируем основную директорию
         try (DirectoryStream<Path> stream = Files.newDirectoryStream(baseDir)) {
             for (Path p : stream) {
-                if (p.getFileName().toString().equals("build.version")) continue;
                 if (p.getFileName().toString().equals("logs")) continue;
                 if (p.getFileName().toString().equals("data")) continue;
                 
@@ -502,7 +493,7 @@ public class Bootstrap {
             Files.move(tmp, jarFile, StandardCopyOption.REPLACE_EXISTING);
             if (Files.exists(backup)) Files.delete(backup);
 
-            Files.writeString(baseDir.resolve(VERSION_FILE), newVersion);
+            // Версия уже в манифесте JAR
             log("Обновлено до v" + newVersion + " (JAR метод)");
         } else {
             throw new IOException("Сервер вернул код: " + conn.getResponseCode());