test: pair attribute-form load_config stubs with readonly siblings

Second stub shape the first sweep missed: monkeypatch.setattr(config_mod,
"load_config", ...) — attribute-form instead of string-form. Four files
(compression_max_attempts, preflight_compression_cap_e2e,
codex_gpt55_autoraise_notice, proactive_prune_config) stub agent_init
config reads that now go through load_config_readonly(). Swept the whole
tree for the attribute form; remaining hits stub modules that still use
the mutable loader. 1,210 tests green across the 19-file re-sweep.

tests/agent/test_codex_gpt55_autoraise_notice.py

@@ -59,6 +59,8 @@ def _make_codex_agent(monkeypatch, tmp_path: Path, *, show_notice: bool):
     from hermes_cli import config as config_mod
 
     monkeypatch.setattr(config_mod, "load_config", lambda: _config(show_notice=show_notice))
+
+    monkeypatch.setattr(config_mod, "load_config_readonly", lambda: _config(show_notice=show_notice))
     db = SessionDB(db_path=tmp_path / "state.db")
     stdout = io.StringIO()
 

tests/agent/test_compression_max_attempts_config.py

@@ -46,6 +46,9 @@ def _make_agent(monkeypatch, tmp_path: Path, *, max_attempts=None):
     monkeypatch.setattr(
         config_mod, "load_config", lambda: _config(max_attempts=max_attempts)
     )
+    monkeypatch.setattr(
+        config_mod, "load_config_readonly", lambda: _config(max_attempts=max_attempts)
+    )
     db = SessionDB(db_path=tmp_path / "state.db")
     with contextlib.redirect_stdout(io.StringIO()):
         agent = AIAgent(

tests/agent/test_proactive_prune_config.py

@@ -39,6 +39,8 @@ def _make_agent(monkeypatch, tmp_path: Path, **prune_keys):
     from hermes_cli import config as config_mod
 
     monkeypatch.setattr(config_mod, "load_config", lambda: _config(**prune_keys))
+
+    monkeypatch.setattr(config_mod, "load_config_readonly", lambda: _config(**prune_keys))
     db = SessionDB(db_path=tmp_path / "state.db")
     with contextlib.redirect_stdout(io.StringIO()):
         agent = AIAgent(

tests/run_agent/test_preflight_compression_cap_e2e.py

@@ -60,6 +60,11 @@ def _make_agent(monkeypatch, tmp_path: Path, *, max_attempts) -> AIAgent:
     monkeypatch.setattr(
         config_mod, "load_config", lambda: _config(max_attempts)
     )
+
+    monkeypatch.setattr(
+        config_mod, "load_config_readonly", lambda: _config(max_attempts)
+
+    )
     db = SessionDB(db_path=tmp_path / "state.db")
     with (
         contextlib.redirect_stdout(io.StringIO()),