feat(models): Add model_override field to Ticket

tests/test_per_ticket_model.py

@@ -0,0 +1,22 @@
+import pytest
+from src.models import Ticket
+
+def test_ticket_has_model_override_field():
+ t = Ticket(id="T-001", description="Test")
+ assert hasattr(t, 'model_override'), "Ticket must have model_override field"
+ assert t.model_override is None, "model_override should default to None"
+
+def test_model_override_serialization():
+ t = Ticket(id="T-001", description="Test", model_override="gemini-3.1-pro-preview")
+ d = t.to_dict()
+ assert d.get('model_override') == "gemini-3.1-pro-preview", "to_dict should include model_override"
+
+def test_model_override_deserialization():
+ d = {"id": "T-001", "description": "Test", "model_override": "gemini-2.5-flash"}
+ t = Ticket.from_dict(d)
+ assert t.model_override == "gemini-2.5-flash", "from_dict should restore model_override"
+
+def test_model_override_default_on_deserialize():
+ d = {"id": "T-001", "description": "Test"}
+ t = Ticket.from_dict(d)
+ assert t.model_override is None, "Missing model_override should default to None"