feat(tasks): adopt canonical task statuses

tests/test_lifecycle.py

@@ -16,7 +16,7 @@ from api.services.lifecycle import (
 def test_task_start_activates_planning_parent(parent_status):
     assert should_activate_parent_for_task_start(
         previous_task_status="todo",
-        new_task_status="in_progress",
+        new_task_status="progress",
         parent_workstream_status=parent_status,
     )
 
@@ -25,15 +25,15 @@ def test_task_start_activates_planning_parent(parent_status):
 def test_task_start_does_not_rewrite_non_planning_parent(parent_status):
     assert not should_activate_parent_for_task_start(
         previous_task_status="todo",
-        new_task_status="in_progress",
+        new_task_status="progress",
         parent_workstream_status=parent_status,
     )
 
 
-def test_task_start_requires_todo_to_in_progress_transition():
+def test_task_start_requires_todo_to_progress_transition():
     assert not should_activate_parent_for_task_start(
-        previous_task_status="in_progress",
-        new_task_status="in_progress",
+        previous_task_status="progress",
+        new_task_status="progress",
         parent_workstream_status="ready",
     )
     assert not should_activate_parent_for_task_start(
@@ -44,22 +44,22 @@ def test_task_start_requires_todo_to_in_progress_transition():
 
 
 def test_has_active_task_status_ignores_terminal_and_todo_statuses():
-    assert has_active_task_status(["todo", "done", "cancelled"]) is False
-    assert has_active_task_status(["todo", "blocked"]) is True
-    assert has_active_task_status(["in_progress"]) is True
+    assert has_active_task_status(["todo", "done", "cancel"]) is False
+    assert has_active_task_status(["todo", "wait"]) is True
+    assert has_active_task_status(["progress"]) is True
 
 
 def test_active_task_state_activates_planning_parent_for_renormalization():
     assert should_activate_parent_for_active_tasks(
         parent_workstream_status="proposed",
-        task_statuses=["todo", "in_progress"],
+        task_statuses=["todo", "progress"],
     )
 
 
 def test_active_task_state_does_not_unblock_blocked_parent():
     assert not should_activate_parent_for_active_tasks(
         parent_workstream_status="blocked",
-        task_statuses=["in_progress"],
+        task_statuses=["progress"],
     )
 
 
@@ -67,7 +67,7 @@ def test_status_value_unwraps_enum_like_values():
     class Status:
         value = "In_Progress"
 
-    assert status_value(Status()) == "in_progress"
+    assert status_value(Status()) == "progress"
 
 
 def test_transition_workstream_status_normalizes_aliases():
@@ -92,10 +92,10 @@ def test_transition_task_status_activates_parent_once():
 
     task = Task()
     ws = Workstream()
-    result = transition_task_status(task, "in_progress", parent_workstream=ws)
+    result = transition_task_status(task, "progress", parent_workstream=ws)
 
-    assert task.status == "in_progress"
+    assert task.status == "progress"
     assert ws.status == "active"
     assert result.parent_activated is True
     assert result.previous_status == "todo"
-    assert result.target_status == "in_progress"
+    assert result.target_status == "progress"