Merge branch 'claudedo/5c80a0aba5d9468a96cf809fc7a6e7a1'

src/ClaudeDo.Data/Models/TaskEntity.cs

@@ -28,6 +28,13 @@ public sealed class TaskEntity
     public TaskStatus Status { get; set; } = TaskStatus.Idle;
     public PlanningPhase PlanningPhase { get; set; } = PlanningPhase.None;
     public string? BlockedByTaskId { get; set; }
+
+    // A user/MCP-declared predecessor, distinct from BlockedByTaskId (the planning chain's own
+    // internal link): the picker also skips a Queued task while this is set and the referenced
+    // task's Status isn't Done. Unlike the chain, a Failed/Cancelled dependency does NOT cascade
+    // or auto-resolve -- the dependent just stays blocked and reports why (see TaskStateService.
+    // SetDependsOnAsync and QueuePicker).
+    public string? DependsOnTaskId { get; set; }
     public DateTime? ScheduledFor { get; set; }
     public string? Result { get; set; }
     public string? ReviewFeedback { get; set; }