Add Memory Gateway agent plugin

plugins/memory-gateway-agent/scripts/hermes_smoke_check.py

@@ -0,0 +1,73 @@
+#!/usr/bin/env python3
+from __future__ import annotations
+
+import importlib.util
+import json
+import sys
+import types
+from pathlib import Path
+
+
+class FakeHermesContext:
+    def __init__(self) -> None:
+        self.registered_tools = []
+        self.registered_hooks = []
+
+    def register_tool(self, name, toolset, schema, handler, **kwargs):
+        self.registered_tools.append(
+            {
+                "name": name,
+                "toolset": toolset,
+                "schema": schema,
+                "handler_callable": callable(handler),
+                "kwargs": kwargs,
+            }
+        )
+
+    def register_hook(self, hook_name, callback):
+        self.registered_hooks.append({"name": hook_name, "handler_callable": callable(callback)})
+
+
+def load_plugin_module():
+    plugin_dir = Path(__file__).resolve().parents[1]
+    init_file = plugin_dir / "__init__.py"
+    module_name = "hermes_plugins.memory_gateway_agent_smoke"
+    if "hermes_plugins" not in sys.modules:
+        parent = types.ModuleType("hermes_plugins")
+        parent.__path__ = []
+        sys.modules["hermes_plugins"] = parent
+    spec = importlib.util.spec_from_file_location(
+        module_name,
+        init_file,
+        submodule_search_locations=[str(plugin_dir)],
+    )
+    if spec is None or spec.loader is None:
+        raise RuntimeError("Cannot create plugin module spec")
+    module = importlib.util.module_from_spec(spec)
+    module.__package__ = module_name
+    module.__path__ = [str(plugin_dir)]
+    sys.modules[module_name] = module
+    spec.loader.exec_module(module)
+    return module
+
+
+def main() -> None:
+    module = load_plugin_module()
+    ctx = FakeHermesContext()
+    module.register(ctx)
+    print(
+        json.dumps(
+            {
+                "ok": True,
+                "has_register": callable(getattr(module, "register", None)),
+                "registered_tools": ctx.registered_tools,
+                "registered_hooks": ctx.registered_hooks,
+            },
+            ensure_ascii=False,
+            indent=2,
+        )
+    )
+
+
+if __name__ == "__main__":
+    main()