feat(data): add ListConfigEntity, TaskRunEntity, AgentInfo models and task config fields

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/ClaudeDo.Data/Models/ListConfigEntity.cs

@@ -0,0 +1,9 @@
+namespace ClaudeDo.Data.Models;
+
+public sealed class ListConfigEntity
+{
+    public required string ListId { get; init; }
+    public string? Model { get; set; }
+    public string? SystemPrompt { get; set; }
+    public string? AgentPath { get; set; }
+}