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/data/model/server/ping_result.dart

@@ -1,7 +1,6 @@
 final parseFailed = Exception('Parse failed');
 final seqReg = RegExp(r'seq=(.+) ttl=(.+) time=(.+) ms');
-final packetReg =
-    RegExp(r'(.+) packets transmitted, (.+) received, (.+)% packet loss');
+final packetReg = RegExp(r'(.+) packets transmitted, (.+) received, (.+)% packet loss');
 final timeReg = RegExp(r'min/avg/max/mdev = (.+)/(.+)/(.+)/(.+) ms');
 final timeAlpineReg = RegExp(r'round-trip min/avg/max = (.+)/(.+)/(.+) ms');
 final ipReg = RegExp(r' \((\S+)\)');
@@ -15,17 +14,13 @@ class PingResult {
   PingResult.parse(this.serverName, String raw) {
     final lines = raw.split('\n');
     lines.removeWhere((element) => element.isEmpty);
-    final statisticIndex =
-        lines.indexWhere((element) => element.startsWith('---'));
+    final statisticIndex = lines.indexWhere((element) => element.startsWith('---'));
     if (statisticIndex == -1) {
       throw parseFailed;
     }
     final statisticRaw = lines.sublist(statisticIndex + 1);
     statistic = PingStatistics.parse(statisticRaw);
-    results = lines
-        .sublist(1, statisticIndex)
-        .map((e) => PingSeqResult.parse(e))
-        .toList();
+    results = lines.sublist(1, statisticIndex).map((e) => PingSeqResult.parse(e)).toList();
     ip = ipReg.firstMatch(lines[0])?.group(1);
   }
 }