fix: the deprecated listener+reload combo is gone — reauth uses async_update_reload_and_abort(_get_reauth_entry()), zeroconf host update is update-only, the __init__ options-reload listener is removed (grep-pinned); host-change tests assert update-without-reload (t29 G3a)

tests/entity_stublib.py

@@ -122,13 +122,41 @@ def install() -> None:
 
     config_entries = types.ModuleType("homeassistant.config_entries")
     config_entries.ConfigEntry = type("ConfigEntry", (), {})
+    class _ConfigFlowStub:
+        """ConfigFlow shape used by flow tests (t29 G3a API included)."""
+
+        def _get_reauth_entry(self, entry=None):
+            if entry is not None:
+                return entry
+            return None  # the caller's cached entry is used
+
+        # NOTE: the real HA signature is async_update_reload_and_abort(entry, ...)
+        # which updates, schedules the reload and aborts; the stub records both.
+
+        def async_update_reload_and_abort(self, entry, **kwargs):
+            updates = kwargs.get("options_updates") or kwargs.get("data_updates") or {}
+            for key, value in updates.items():
+                if key in ("options", "data", "unique_id"):
+                    setattr(entry, key, value)
+                else:
+                    getattr(entry, "options", {}).setdefault(key, value)  # best effort
+            reload_scheduler = getattr(self.hass, "scheduled_reloads", None)
+            if reload_scheduler is not None:
+                reload_scheduler.append(entry.entry_id)
+            return {"type": "abort", "reason": "reauth_successful"}
+
+    def _config_flow_init(self, *args, **kwargs):
+        self.context = getattr(self, "context", {}) or {}
+        self.hass = getattr(self, "hass", None)
+
     _config_flow_base = type(
         "ConfigFlow",
-        (),
+        (_ConfigFlowStub,),
         {
             "__init_subclass__": classmethod(
                 lambda cls, domain=None, **kwargs: None
             ),
+            "__init__": _config_flow_init,
         },
     )
     config_entries.ConfigFlow = _config_flow_base