1 files changed, 41 insertions, 1 deletions
diff --git a/Omni/Task.hs b/Omni/Task.hs
index d1e672a..24e528b 100644
--- a/Omni/Task.hs
+++ b/Omni/Task.hs
@@ -312,7 +312,47 @@ unitTests =
         ready <- getReadyTasks
         -- Both should be ready since Related doesn't block
         (taskId task1 `elem` map taskId ready) Test.@?= True
-        (taskId task2 `elem` map taskId ready) Test.@?= True
+        (taskId task2 `elem` map taskId ready) Test.@?= True,
+      Test.unit "child task gets sequential ID" <| do
+        parent <- createTask "Parent" Epic Nothing Nothing P2 []
+        child1 <- createTask "Child 1" WorkTask (Just (taskId parent)) Nothing P2 []
+        child2 <- createTask "Child 2" WorkTask (Just (taskId parent)) Nothing P2 []
+        taskId child1 Test.@?= taskId parent <> ".1"
+        taskId child2 Test.@?= taskId parent <> ".2",
+      Test.unit "grandchild task gets sequential ID" <| do
+        parent <- createTask "Grandparent" Epic Nothing Nothing P2 []
+        child <- createTask "Parent" Epic (Just (taskId parent)) Nothing P2 []
+        grandchild <- createTask "Grandchild" WorkTask (Just (taskId child)) Nothing P2 []
+        taskId grandchild Test.@?= taskId parent <> ".1.1",
+      Test.unit "siblings of grandchild task get sequential ID" <| do
+        parent <- createTask "Grandparent" Epic Nothing Nothing P2 []
+        child <- createTask "Parent" Epic (Just (taskId parent)) Nothing P2 []
+        grandchild1 <- createTask "Grandchild 1" WorkTask (Just (taskId child)) Nothing P2 []
+        grandchild2 <- createTask "Grandchild 2" WorkTask (Just (taskId child)) Nothing P2 []
+        taskId grandchild1 Test.@?= taskId parent <> ".1.1"
+        taskId grandchild2 Test.@?= taskId parent <> ".1.2",
+      Test.unit "child ID generation skips gaps" <| do
+        parent <- createTask "Parent with gaps" Epic Nothing Nothing P2 []
+        child1 <- createTask "Child 1" WorkTask (Just (taskId parent)) Nothing P2 []
+        -- Manually create a task with .3 suffix to simulate a gap (or deleted task)
+        let child3Id = taskId parent <> ".3"
+            child3 = Task
+              { taskId = child3Id,
+                taskTitle = "Child 3",
+                taskType = WorkTask,
+                taskParent = Just (taskId parent),
+                taskNamespace = Nothing,
+                taskStatus = Open,
+                taskPriority = P2,
+                taskDependencies = [],
+                taskCreatedAt = taskCreatedAt child1,
+                taskUpdatedAt = taskUpdatedAt child1
+              }
+        saveTask child3
+        
+        -- Create a new child, it should get .4, not .2
+        child4 <- createTask "Child 4" WorkTask (Just (taskId parent)) Nothing P2 []
+        taskId child4 Test.@?= taskId parent <> ".4"
     ]
 
 -- | Test CLI argument parsing to ensure docopt string matches actual usage