Add generic memory gateway v1

tests/test_v1_mcp.py

@@ -0,0 +1,29 @@
+import asyncio
+
+from memory_gateway.repositories import InMemoryRepository
+from memory_gateway.services import MemoryGatewayService
+
+
+def test_v1_mcp_tools_are_exposed_and_dispatch(monkeypatch):
+    import memory_gateway.server as server
+
+    service = MemoryGatewayService(InMemoryRepository())
+    monkeypatch.setattr(server, "v1_service", service)
+
+    tools = asyncio.run(server.list_tools())
+    assert any(tool.name == "memory_search" for tool in tools)
+    assert any(tool.name == "memory_commit_session" for tool in tools)
+
+    result = asyncio.run(
+        server.call_v1_memory_tool(
+            "memory_upsert",
+            {
+                "user_id": "user_a",
+                "content": "MCP 写入的 v1 memory",
+                "visibility": "private",
+            },
+        )
+    )
+
+    assert result["user_id"] == "user_a"
+    assert result["namespace"] == "user/user_a/long_term"