feat(data): add TaskRepository.UpdateAgentSettingsAsync

src/ClaudeDo.Data/Repositories/TaskRepository.cs

@@ -111,6 +111,25 @@ public sealed class TaskRepository
 
     #endregion
 
+    #region Agent settings
+
+    public async Task UpdateAgentSettingsAsync(
+        string taskId,
+        string? model,
+        string? systemPrompt,
+        string? agentPath,
+        CancellationToken ct = default)
+    {
+        await _context.Tasks
+            .Where(t => t.Id == taskId)
+            .ExecuteUpdateAsync(s => s
+                .SetProperty(t => t.Model, model)
+                .SetProperty(t => t.SystemPrompt, systemPrompt)
+                .SetProperty(t => t.AgentPath, agentPath), ct);
+    }
+
+    #endregion
+
     #region Tags
 
     public async Task AddTagAsync(string taskId, long tagId, CancellationToken ct = default)