feat(ui): repo-import modal — remember folders, search, compact rows, no auto-select

src/ClaudeDo.Data/Models/AppSettingsEntity.cs

@@ -15,4 +15,7 @@ public sealed class AppSettingsEntity
     public string? CentralWorktreeRoot { get; set; }
     public bool WorktreeAutoCleanupEnabled { get; set; }
     public int WorktreeAutoCleanupDays { get; set; } = 7;
+
+    // JSON array of parent folders remembered by the repo-import modal.
+    public string? RepoImportFolders { get; set; }
 }