Add debug tracing to OSS upgrade process

Inserted GeneralTracer.Debug statements throughout the OSS upgrade workflow to provide step-by-step logging for easier troubleshooting and monitoring. This includes tracing the start of the upgrade, each major step in the process, and completion.

Author: JusterZhu

src/c#/GeneralUpdate.Core/GeneralUpdateOSS.cs

@@ -32,6 +32,7 @@ private static async Task BaseStart()
         {
             try
             {
+                GeneralTracer.Debug("Starting OSS upgrade mode.");
                 var json = Environments.GetEnvironmentVariable("GlobalConfigInfoOSS");
                 if (string.IsNullOrWhiteSpace(json))
                     return;

src/c#/GeneralUpdate.Core/Strategys/OSSStrategy.cs

@@ -34,21 +34,25 @@ public async Task ExecuteAsync()
             try
             {
                 //1.Download the JSON version configuration file.
+                GeneralTracer.Debug("1.Download the JSON version configuration file.");
                 var jsonPath = Path.Combine(_appPath, _parameter.VersionFileName);
                 if (!File.Exists(jsonPath)) 
                     throw new FileNotFoundException(jsonPath);
 
                 //2.Parse the JSON version configuration file content.
+                GeneralTracer.Debug("2.Parse the JSON version configuration file content.");
                 var versions = StorageManager.GetJson<List<VersionOSS>>(jsonPath, VersionOSSJsonContext.Default.ListVersionOSS);
                 if (versions == null) 
                     throw new NullReferenceException(nameof(versions));
 
                 versions = versions.OrderBy(v => v.PubTime).ToList();
                 //3.Download version by version according to the version of the configuration file.
+                GeneralTracer.Debug("3.Download version by version according to the version of the configuration file.");
                 await DownloadVersions(versions);
                 Decompress(versions);
 
                 //4.Launch the main application.
+                GeneralTracer.Debug("4.Launch the main application.");
                 LaunchApp();
             }
             catch (Exception ex)
@@ -97,6 +101,8 @@ private void LaunchApp()
             var appPath = Path.Combine(_appPath, _parameter.AppName);
             if (!File.Exists(appPath)) throw new FileNotFoundException($"{nameof(appPath)} , The application is not accessible !");
             Process.Start(appPath);
+            
+            GeneralTracer.Debug("5.Upgrade complete.");
         }
 
         private void Decompress(List<VersionOSS> versions)