Add Memory Gateway agent plugin

plugins/memory-gateway-agent/tests/test_lifecycle.py

@@ -0,0 +1,70 @@
+from __future__ import annotations
+
+from memory_gateway_plugin import register
+from memory_gateway_plugin.config import PluginConfig
+from memory_gateway_plugin.lifecycle import after_user_message, on_conversation_start, on_session_end
+
+
+class FakeClient:
+    def search_memory(self, payload):
+        return {
+            "ok": True,
+            "data": {
+                "results": [
+                    {
+                        "memory": {
+                            "id": "mem_1",
+                            "namespace": "user/u/long_term",
+                            "summary": "用户偏好中文输出。",
+                        }
+                    }
+                ]
+            },
+        }
+
+    def append_episode(self, payload):
+        return {"ok": True, "data": payload}
+
+    def commit_session(self, session_id, payload):
+        return {"ok": True, "data": {"session_id": session_id}}
+
+
+def test_lifecycle_hooks_do_not_crash_when_ctx_missing_features():
+    result = register(object())
+
+    assert result["ok"] is True
+    assert result["mode"] == "manual"
+
+
+def test_lifecycle_search_returns_compact_context():
+    result = on_conversation_start(
+        {"user_id": "u", "agent_id": "a", "session_id": "s", "user_message": "之前偏好是什么？"},
+        client=FakeClient(),
+        config=PluginConfig(auto_search=True),
+    )
+
+    assert result["ok"] is True
+    assert "用户偏好中文输出" in result["memory_context"]
+
+
+def test_lifecycle_append_policy_accepts_stable_preference():
+    result = after_user_message(
+        {"user_id": "u", "agent_id": "a", "session_id": "s", "user_message": "请记住：我偏好中文。"},
+        client=FakeClient(),
+        config=PluginConfig(auto_append_episode=True),
+    )
+
+    assert result["ok"] is True
+    assert result["appended"] is True
+
+
+def test_lifecycle_session_end_auto_commit_disabled():
+    result = on_session_end(
+        {"user_id": "u", "agent_id": "a", "session_id": "s"},
+        client=FakeClient(),
+        config=PluginConfig(auto_commit_session=False),
+    )
+
+    assert result["ok"] is True
+    assert result["committed"] is False
+