fix save agent summary

src/Managing.Infrastructure.Database/PostgreSql/AgentSummaryRepository.cs

@@ -79,42 +79,78 @@ public class AgentSummaryRepository : IAgentSummaryRepository
 
     public async Task SaveOrUpdateAsync(AgentSummary agentSummary)
     {
-        // Ensure the User entity exists and is saved
+        // Use the execution strategy to handle retries and transactions
-        if (agentSummary.User != null)
+        var strategy = _context.Database.CreateExecutionStrategy();
+        await strategy.ExecuteAsync(async () =>
         {
-            var existingUser = await _context.Users
+            using var transaction = await _context.Database.BeginTransactionAsync();
-                .FirstOrDefaultAsync(u => u.Id == agentSummary.UserId);
+            try
-
-            if (existingUser == null)
             {
-                // User doesn't exist, save it first
+                // Ensure the User entity exists and is saved
-                var userEntity = PostgreSqlMappers.Map(agentSummary.User);
+                if (agentSummary.User != null)
-                await _context.Users.AddAsync(userEntity);
+                {
-                await _context.SaveChangesAsync();
+                    var existingUser = await _context.Users
+                        .AsNoTracking()
+                        .FirstOrDefaultAsync(u => u.Id == agentSummary.UserId);
 
-                _logger.LogInformation("User created for AgentSummary with ID {UserId}", agentSummary.UserId);
+                    if (existingUser == null)
+                    {
+                        // User doesn't exist, save it first
+                        var userEntity = PostgreSqlMappers.Map(agentSummary.User);
+                        userEntity.Id = agentSummary.UserId; // Ensure the ID is set
+                        await _context.Users.AddAsync(userEntity);
+                        await _context.SaveChangesAsync();
+
+                        _logger.LogInformation("User created for AgentSummary with ID {UserId}", agentSummary.UserId);
+                    }
+                }
+
+                // Check if AgentSummary exists (using AsNoTracking to avoid tracking conflicts)
+                var existing = await _context.AgentSummaries
+                    .AsNoTracking()
+                    .FirstOrDefaultAsync(a => a.UserId == agentSummary.UserId);
+
+                if (existing == null)
+                {
+                    // Insert new AgentSummary
+                    var entity = MapToEntity(agentSummary);
+                    entity.CreatedAt = DateTime.UtcNow;
+                    entity.UpdatedAt = DateTime.UtcNow;
+
+                    await _context.AgentSummaries.AddAsync(entity);
+                    await _context.SaveChangesAsync();
+
+                    _logger.LogInformation("AgentSummary inserted for user {UserId} with agent name {AgentName}",
+                        agentSummary.UserId, agentSummary.AgentName);
+                }
+                else
+                {
+                    // Update existing record - attach and modify the entity
+                    var entityToUpdate = MapToEntity(agentSummary);
+                    entityToUpdate.Id = existing.Id; // Preserve the existing ID
+                    entityToUpdate.CreatedAt = existing.CreatedAt; // Preserve creation date
+                    entityToUpdate.UpdatedAt = DateTime.UtcNow;
+
+                    // Attach the entity and mark it as modified
+                    _context.AgentSummaries.Attach(entityToUpdate);
+                    _context.Entry(entityToUpdate).State = EntityState.Modified;
+                    
+                    await _context.SaveChangesAsync();
+
+                    _logger.LogInformation("AgentSummary updated for user {UserId} with agent name {AgentName}",
+                        agentSummary.UserId, agentSummary.AgentName);
+                }
+
+                await transaction.CommitAsync();
             }
-        }
+            catch (Exception ex)
-
+            {
-        var existing = await _context.AgentSummaries
+                await transaction.RollbackAsync();
-            .FirstOrDefaultAsync(a => a.UserId == agentSummary.UserId);
+                _logger.LogError(ex, "Error saving/updating AgentSummary for user {UserId} with agent name {AgentName}",
-
+                    agentSummary.UserId, agentSummary.AgentName);
-        if (existing == null)
+                throw;
-        {
+            }
-            await InsertAsync(agentSummary);
+        });
-        }
-        else
-        {
-            // Update existing record - modify the tracked entity directly
-            MapToEntity(agentSummary, existing);
-            existing.UpdatedAt = DateTime.UtcNow;
-
-            // No need to call Update() since the entity is already being tracked
-            await _context.SaveChangesAsync();
-
-            _logger.LogInformation("AgentSummary updated for user {UserId} with agent name {AgentName}",
-                agentSummary.UserId, agentSummary.AgentName);
-        }
     }
 
     public async Task<(IEnumerable<AgentSummary> Results, int TotalCount)> GetPaginatedAsync(