Read SAB cat as category

Treat SAB history cat/category fields equivalently for #20.

importarr/readiness.py

@@ -30,7 +30,8 @@ def classify_history_item(item: dict[str, Any], active_nzo_ids: set[str], catego
     nzo_id = str(item.get("nzo_id") or item.get("nzoid") or "")
     if not force_status and nzo_id and nzo_id in active_nzo_ids:
         return Readiness("processing", "SAB job is still present in queue")
-    if str(item.get("category") or "") != category:
+    item_category = str(item.get("category") or item.get("cat") or "")
+    if item_category != category:
         return Readiness("ignored", "SAB category is not owned by Importarr")
     status = str(item.get("status") or "")
     if not force_status and status == "Failed":

tests/test_sab_readiness.py

@@ -22,6 +22,11 @@ def test_wrong_category_ignored():
     assert result.state == "ignored"
 
 
+def test_sab_cat_field_is_treated_as_category():
+    result = classify_history_item(item(category=None, cat="manual"), set(), "manual", ROOT)
+    assert result.ready
+
+
 def test_queue_item_not_ready():
     result = classify_history_item(item(), {"1"}, "manual", ROOT)
     assert result.state == "processing"