feat(data): add findings_tracked to lists

src/ClaudeDo.Data/Models/ListEntity.cs

@@ -11,6 +11,9 @@ public sealed class ListEntity
     // A manual list holds reminders rather than Claude work: new tasks created here start out
     // manual (see TaskEntity.IsManual).
     public bool IsManual { get; set; }
+    // When true the project's .claudedo/ findings store is committed with the repo; when false it
+    // is kept out of git via .git/info/exclude (see FindingsStore).
+    public bool FindingsTracked { get; set; }
 
     // Navigation properties
     public ListConfigEntity? Config { get; set; }