Squash Odysseus development history

tests/test_resume_history_merge.py

@@ -0,0 +1,11 @@
+from core.models import ChatMessage
+from routes.history.history_routes import _has_immediate_continue_marker
+
+
+def test_short_resume_control_is_a_merge_marker():
+    messages = [
+        ChatMessage("assistant", "partial", {"stopped": True}),
+        ChatMessage("user", "Continue from where you left off."),
+        ChatMessage("assistant", "finished"),
+    ]
+    assert _has_immediate_continue_marker(messages, 0, 2)