feat: publish CodexPi contest snapshot

tests/test_websocket.py

@@ -0,0 +1,34 @@
+def _project_and_conversation(logged_in):
+    client, _, projects, _, headers = logged_in
+    repo = projects / "socket-repo"
+    repo.mkdir()
+    project = client.post("/api/projects", headers=headers, json={"name": "socket", "path": str(repo)}).json()
+    conversation = client.post(f"/api/projects/{project['id']}/conversations", headers=headers, json={"title": "Diagnostic"}).json()
+    return client, conversation
+
+
+def test_conversation_websocket_restores_state(logged_in):
+    client, conversation = _project_and_conversation(logged_in)
+    with client.websocket_connect(f"/ws/conversations/{conversation['id']}", headers={"origin": "http://testserver"}) as socket:
+        event = socket.receive_json()
+        assert event["type"] == "state"
+        assert event["conversation"]["title"] == "Diagnostic"
+
+
+def test_websocket_rejects_unknown_conversation(logged_in):
+    client, *_ = logged_in
+    try:
+        with client.websocket_connect("/ws/conversations/00000000-0000-0000-0000-000000000000", headers={"origin": "http://testserver"}):
+            assert False, "connection should be rejected"
+    except Exception:
+        pass
+
+
+def test_websocket_requires_authentication(app_env):
+    client, *_ = app_env
+    with pytest.raises(WebSocketDisconnect):
+        with client.websocket_connect("/ws/conversations/00000000-0000-0000-0000-000000000000", headers={"origin": "http://testserver"}):
+            pass
+import pytest
+from starlette.websockets import WebSocketDisconnect
+