Refactored all synchronizers to deal with some of the chronic issues.

Wino.Core.Domain/Interfaces/IRetryExecutor.cs

@@ -0,0 +1,60 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using Wino.Core.Domain.Models.Retry;
+using Wino.Core.Domain.Models.Synchronization;
+
+namespace Wino.Core.Domain.Interfaces;
+
+/// <summary>
+/// Executes operations with automatic retry and error handling support.
+/// </summary>
+public interface IRetryExecutor
+{
+    /// <summary>
+    /// Executes an operation with automatic retry based on the specified policy.
+    /// </summary>
+    /// <typeparam name="T">The return type of the operation.</typeparam>
+    /// <param name="operation">The async operation to execute.</param>
+    /// <param name="policy">The retry policy to apply.</param>
+    /// <param name="errorContextFactory">Factory to create error context from exceptions.</param>
+    /// <param name="errorHandler">Optional error handler for custom error processing.</param>
+    /// <param name="cancellationToken">Cancellation token.</param>
+    /// <returns>The result of the operation.</returns>
+    /// <exception cref="Exception">Thrown when all retries are exhausted or a fatal error occurs.</exception>
+    Task<T> ExecuteWithRetryAsync<T>(
+        Func<CancellationToken, Task<T>> operation,
+        RetryPolicy policy,
+        Func<Exception, SynchronizerErrorContext> errorContextFactory,
+        ISynchronizerErrorHandlerFactory errorHandler = null,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// Executes an operation with automatic retry based on the specified policy (void return).
+    /// </summary>
+    /// <param name="operation">The async operation to execute.</param>
+    /// <param name="policy">The retry policy to apply.</param>
+    /// <param name="errorContextFactory">Factory to create error context from exceptions.</param>
+    /// <param name="errorHandler">Optional error handler for custom error processing.</param>
+    /// <param name="cancellationToken">Cancellation token.</param>
+    /// <exception cref="Exception">Thrown when all retries are exhausted or a fatal error occurs.</exception>
+    Task ExecuteWithRetryAsync(
+        Func<CancellationToken, Task> operation,
+        RetryPolicy policy,
+        Func<Exception, SynchronizerErrorContext> errorContextFactory,
+        ISynchronizerErrorHandlerFactory errorHandler = null,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// Executes an operation with default retry policy.
+    /// </summary>
+    /// <typeparam name="T">The return type of the operation.</typeparam>
+    /// <param name="operation">The async operation to execute.</param>
+    /// <param name="errorContextFactory">Factory to create error context from exceptions.</param>
+    /// <param name="cancellationToken">Cancellation token.</param>
+    /// <returns>The result of the operation.</returns>
+    Task<T> ExecuteWithRetryAsync<T>(
+        Func<CancellationToken, Task<T>> operation,
+        Func<Exception, SynchronizerErrorContext> errorContextFactory,
+        CancellationToken cancellationToken = default);
+}