初版功能完成

cmd/engineer/app_windows_test.go

@@ -0,0 +1,33 @@
+//go:build windows
+
+package main
+
+import (
+	"encoding/json"
+	"strings"
+	"testing"
+
+	"remlink/internal/nodeagent"
+)
+
+func TestGetStateSerializesEmptyCollectionsAsArrays(t *testing.T) {
+	app := NewEngineerApp(nodeagent.Options{}, nil)
+
+	// Simulate an empty NodeList payload, which previously replaced the
+	// initialized slices with nil slices.
+	app.state.Sites = nil
+	app.state.Logs = nil
+	app.state.Session.CIDRs = nil
+	app.state.SiteCIDRs = nil
+
+	encoded, err := json.Marshal(app.GetState())
+	if err != nil {
+		t.Fatalf("marshal Engineer state: %v", err)
+	}
+	jsonState := string(encoded)
+	for _, field := range []string{`"sites":[]`, `"siteCIDRs":{}`, `"logs":[]`, `"cidrs":[]`} {
+		if !strings.Contains(jsonState, field) {
+			t.Fatalf("expected %s in state JSON, got %s", field, jsonState)
+		}
+	}
+}