feat:runscope test

server/internal/mcp/tools_create_test.go

@@ -193,3 +193,36 @@ func TestCreateMonitorDecodesTargetFields(t *testing.T) {
 		t.Errorf("Target.Keyword = %q", m.Target.Keyword)
 	}
 }
+
+// A runner is a server ID. buildMonitor must refuse one outright rather than
+// dropping it silently, or a model would believe it had pinned a check to an
+// agent it never reached.
+func TestBuildMonitorRefusesRunner(t *testing.T) {
+	args := map[string]any{
+		"name":   "api health",
+		"type":   "http",
+		"target": map[string]any{"url": "https://example.com"},
+		"runner": "some-server-id",
+	}
+	if _, err := buildMonitor(args); err == nil {
+		t.Fatal("buildMonitor accepted a runner argument")
+	}
+}
+
+// Without a runner it still builds, and never arms itself.
+func TestBuildMonitorWithoutRunnerIsDisabled(t *testing.T) {
+	m, err := buildMonitor(map[string]any{
+		"name":   "api health",
+		"type":   "http",
+		"target": map[string]any{"url": "https://example.com"},
+	})
+	if err != nil {
+		t.Fatalf("buildMonitor: %v", err)
+	}
+	if m.Runner != "" {
+		t.Errorf("Runner = %q, want empty so CreateMonitor defaults it to the control plane", m.Runner)
+	}
+	if m.Enabled {
+		t.Error("monitor created enabled")
+	}
+}