Fix file not being saved on exit

src/Repository/JsonRepository.cs

@@ -6,6 +6,7 @@ namespace Repository;
 public class JsonRepository : IRepository, IDisposable
 {
     private const string _appName = "Keychain";
+    private const string fileName = "password_stores.json";
 
     private uint _autoIncrementedId;
     private readonly string _filePath;
@@ -33,6 +34,9 @@ public class JsonRepository : IRepository, IDisposable
 
         var lastItem = _cache.OrderBy(item => item.ID).LastOrDefault();
         _autoIncrementedId = lastItem != null ? lastItem.ID : 0;
+
+        // Ensure Dispose is called when the process exits
+        AppDomain.CurrentDomain.ProcessExit += (s, e) => Dispose();
     }
 
     private void ReadAllFromFile()
@@ -91,8 +95,6 @@ public class JsonRepository : IRepository, IDisposable
             {
                 WriteToStdErr($"Unexpected error: {e.Message}");
             }
-
-            ReadAllFromFile();
         }
     }