feat(tasks): adopt canonical task statuses

tests/test_reconciliation.py

@@ -68,7 +68,7 @@ def test_archived_workstream_file_requires_confirmation():
 def test_task_status_update_writes_through_to_task_block():
     result = classify_task_status_change(
         current_status="todo",
-        target_status="in_progress",
+        target_status="progress",
         file_backed=True,
         task_linked=True,
     )
@@ -80,7 +80,7 @@ def test_task_status_update_writes_through_to_task_block():
 def test_task_without_file_is_deferred():
     result = classify_task_status_change(
         current_status="todo",
-        target_status="in_progress",
+        target_status="progress",
         file_backed=False,
         task_linked=True,
     )
@@ -92,7 +92,7 @@ def test_task_without_file_is_deferred():
 def test_unlinked_task_is_deferred_until_link_repaired():
     result = classify_task_status_change(
         current_status="todo",
-        target_status="in_progress",
+        target_status="progress",
         file_backed=True,
         task_linked=False,
     )
@@ -101,22 +101,22 @@ def test_unlinked_task_is_deferred_until_link_repaired():
     assert "not linked" in result.reason
 
 
-def test_blocked_task_requires_blocking_reason():
+def test_wait_task_requires_blocking_reason():
     result = classify_task_status_change(
         current_status="todo",
-        target_status="blocked",
+        target_status="wait",
         file_backed=True,
         task_linked=True,
     )
 
     assert result.reconciliation_class == ReconciliationClass.HUMAN_CONFIRMATION
-    assert "blocking reason" in result.reason
+    assert "wait condition" in result.reason
 
 
-def test_blocked_task_with_reason_writes_through():
+def test_wait_task_with_reason_writes_through():
     result = classify_task_status_change(
         current_status="todo",
-        target_status="blocked",
+        target_status="wait",
         file_backed=True,
         task_linked=True,
         blocking_reason="Waiting on dependency",