fix(merge): restore contracts caught by main-target CI

tests/hermes_cli/test_web_server.py

@@ -2,6 +2,7 @@
 
 import os
 import json
+from pathlib import Path
 from unittest.mock import patch, MagicMock
 
 import pytest

tests/tui_gateway/test_review_summary_callback.py

@@ -54,7 +54,7 @@ def test_init_session_attaches_background_review_callback(server, monkeypatch):
     monkeypatch.setattr(server, "_SlashWorker", lambda *a, **kw: object())
     monkeypatch.setattr(server, "_wire_callbacks", lambda sid: None)
     monkeypatch.setattr(server, "_notify_session_boundary", lambda *a, **kw: None)
-    monkeypatch.setattr(server, "_session_info", lambda agent: {"model": "m"})
+    monkeypatch.setattr(server, "_session_info", lambda agent, session=None: {"model": "m"})
     monkeypatch.setattr(server, "_load_show_reasoning", lambda: False)
     monkeypatch.setattr(server, "_load_tool_progress_mode", lambda: "all")
 
@@ -106,7 +106,7 @@ def test_review_summary_callback_survives_agent_without_attribute(server, monkey
     monkeypatch.setattr(server, "_SlashWorker", lambda *a, **kw: object())
     monkeypatch.setattr(server, "_wire_callbacks", lambda sid: None)
     monkeypatch.setattr(server, "_notify_session_boundary", lambda *a, **kw: None)
-    monkeypatch.setattr(server, "_session_info", lambda agent: {"model": "m"})
+    monkeypatch.setattr(server, "_session_info", lambda agent, session=None: {"model": "m"})
     monkeypatch.setattr(server, "_load_show_reasoning", lambda: False)
     monkeypatch.setattr(server, "_load_tool_progress_mode", lambda: "all")
     monkeypatch.setattr(server, "_emit", lambda *a, **kw: None)