feat(data): TaskRepository.TryCompleteParentAsync

src/ClaudeDo.Data/Repositories/TaskRepository.cs

@@ -377,6 +377,33 @@ public sealed class TaskRepository
         return true;
     }
 
+    public async Task TryCompleteParentAsync(
+        string parentId,
+        CancellationToken ct = default)
+    {
+        var parent = await _context.Tasks.AsNoTracking().FirstOrDefaultAsync(t => t.Id == parentId, ct);
+        if (parent is null || parent.Status != TaskStatus.Planned) return;
+
+        var children = await _context.Tasks
+            .Where(t => t.ParentTaskId == parentId)
+            .Select(t => t.Status)
+            .ToListAsync(ct);
+
+        if (children.Count == 0) return;
+
+        bool allTerminal = children.All(s => s == TaskStatus.Done || s == TaskStatus.Failed);
+        if (!allTerminal) return;
+
+        bool anyFailed = children.Any(s => s == TaskStatus.Failed);
+        var finalStatus = anyFailed ? TaskStatus.Failed : TaskStatus.Done;
+        var finishedAt = DateTime.UtcNow;
+        await _context.Tasks
+            .Where(t => t.Id == parentId)
+            .ExecuteUpdateAsync(s => s
+                .SetProperty(t => t.Status, finalStatus)
+                .SetProperty(t => t.FinishedAt, finishedAt), ct);
+    }
+
     #endregion
 
     #region Queue selection