Add concurrent multi-NE CLI exec batch for field sweeps.

execManagedNe can take ne_ids/ume_ne_ids/targets and POST /v1/managed-ne/exec-batch so many show commands run in parallel instead of serial one-NE MCP loops.

Co-authored-by: Cursor <cursoragent@cursor.com>

packages/netx-mcp/tests/test_mcp_http.py

@@ -156,6 +156,41 @@ def test_call_exec_managed_ne_posts_body() -> None:
         assert payload["ok"] is True
 
 
+def test_call_exec_managed_ne_batch_ne_ids() -> None:
+    with patch("netx_mcp.http_tools.http_post_json") as mock_post:
+        mock_post.return_value = {
+            "ok": True,
+            "data": {
+                "ok": True,
+                "summary": {"total": 2, "ok": 2, "failed": 0},
+                "results": [{"ok": True}, {"ok": True}],
+            },
+        }
+        out = call_http_tool(
+            "execManagedNe",
+            {"ne_ids": ["a", "b"], "commands": ["show version"], "concurrency": 2},
+        )
+        mock_post.assert_called_once()
+        assert mock_post.call_args[0][0] == "/v1/managed-ne/exec-batch"
+        body = mock_post.call_args[0][1]
+        assert body["ne_ids"] == ["a", "b"]
+        assert body["commands"] == ["show version"]
+        assert body["concurrency"] == 2
+        payload = json.loads(out["content"][0]["text"])
+        assert payload["ok"] is True
+        assert payload["data"]["summary"]["total"] == 2
+
+
+def test_exec_managed_ne_schema_documents_batch() -> None:
+    tool = next(t for t in HTTP_MCP_TOOLS if t.get("name") == "execManagedNe")
+    props = tool["inputSchema"]["properties"]
+    assert "ne_ids" in props
+    assert "ume_ne_ids" in props
+    assert "targets" in props
+    assert "concurrency" in props
+    assert "Many NEs" in tool["description"] or "ne_ids" in tool["description"]
+
+
 def test_call_exec_managed_ne_respects_max_commands_env(monkeypatch: pytest.MonkeyPatch) -> None:
     monkeypatch.setenv("NETX_NE_EXEC_MAX_COMMANDS", "10")
     cmds = [f"show version {i}" for i in range(6)]