feat: Windows compatibility (#836)

* feat: win compatibility

* fix

* fix: uptime parse

* opt.: linux uptime accuracy

* fix: windows temperature fetching

* opt.

* opt.: powershell exec

* refactor: address PR review feedback and improve code quality

### Major Improvements:
- **Refactored Windows status parsing**: Broke down large `_getWindowsStatus` method into 13 smaller, focused helper methods for better maintainability and readability
- **Extracted system detection logic**: Created dedicated `SystemDetector` helper class to separate OS detection concerns from ServerProvider
- **Improved concurrency handling**: Implemented proper synchronization for server updates using Future-based locks to prevent race conditions

### Bug Fixes:
- **Fixed CPU percentage parsing**: Removed incorrect '*100' multiplication in BSD CPU parsing (values were already percentages)
- **Enhanced memory parsing**: Added validation and error handling to BSD memory fallback parsing with proper logging
- **Improved uptime parsing**: Added support for multiple Windows date formats and robust error handling with validation
- **Fixed division by zero**: Added safety checks in Swap.usedPercent getter

### Code Quality Enhancements:
- **Added comprehensive documentation**: Documented Windows CPU counter limitations and approach
- **Strengthened error handling**: Added detailed logging and validation throughout parsing methods
- **Improved robustness**: Enhanced BSD CPU parsing with percentage validation and warnings
- **Better separation of concerns**: Each parsing method now has single responsibility

### Files Changed:
- `lib/data/helper/system_detector.dart` (new): System detection helper
- `lib/data/model/server/cpu.dart`: Fixed percentage parsing and added validation
- `lib/data/model/server/memory.dart`: Enhanced fallback parsing and division-by-zero protection
- `lib/data/model/server/server_status_update_req.dart`: Refactored into 13 focused parsing methods
- `lib/data/provider/server.dart`: Improved synchronization and extracted system detection

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

* refactor: parse & shell fn struct

---------

Co-authored-by: Claude <noreply@anthropic.com>

lib/core/utils/server.dart

@@ -24,19 +24,12 @@ String decyptPem(List<String> args) {
   return sshKey.first.toPem();
 }
 
-enum GenSSHClientStatus {
-  socket,
-  key,
-  pwd,
-}
+enum GenSSHClientStatus { socket, key, pwd }
 
 String getPrivateKey(String id) {
   final pki = Stores.key.fetchOne(id);
   if (pki == null) {
-    throw SSHErr(
-      type: SSHErrType.noPrivateKey,
-      message: 'key [$id] not found',
-    );
+    throw SSHErr(type: SSHErrType.noPrivateKey, message: 'key [$id] not found');
   }
   return pki.key;
 }
@@ -73,36 +66,21 @@ Future<SSHClient> genClient(
       if (spi.jumpId != null) return Stores.server.box.get(spi.jumpId);
     }();
     if (jumpSpi_ != null) {
-      final jumpClient = await genClient(
-        jumpSpi_,
-        privateKey: jumpPrivateKey,
-        timeout: timeout,
-      );
+      final jumpClient = await genClient(jumpSpi_, privateKey: jumpPrivateKey, timeout: timeout);
 
-      return await jumpClient.forwardLocal(
-        spi.ip,
-        spi.port,
-      );
+      return await jumpClient.forwardLocal(spi.ip, spi.port);
     }
 
     // Direct
     try {
-      return await SSHSocket.connect(
-        spi.ip,
-        spi.port,
-        timeout: timeout,
-      );
+      return await SSHSocket.connect(spi.ip, spi.port, timeout: timeout);
     } catch (e) {
       Loggers.app.warning('genClient', e);
       if (spi.alterUrl == null) rethrow;
       try {
         final res = spi.fromStringUrl();
         alterUser = res.$2;
-        return await SSHSocket.connect(
-          res.$1,
-          res.$3,
-          timeout: timeout,
-        );
+        return await SSHSocket.connect(res.$1, res.$3, timeout: timeout);
       } catch (e) {
         Loggers.app.warning('genClient alterUrl', e);
         rethrow;