feat: integrate NOFXi agent into dev

agent/preferences_test.go

@@ -0,0 +1,31 @@
+package agent
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestNewPersistentPreference(t *testing.T) {
+	pref, err := NewPersistentPreference("  Always answer in Chinese.  ")
+	if err != nil {
+		t.Fatalf("expected preference to be created, got error: %v", err)
+	}
+	if pref.ID == "" {
+		t.Fatal("expected non-empty preference id")
+	}
+	if pref.Text != "Always answer in Chinese." {
+		t.Fatalf("expected trimmed text, got %q", pref.Text)
+	}
+	if pref.CreatedAt == "" {
+		t.Fatal("expected created_at to be set")
+	}
+	if strings.Contains(pref.ID, "Always") {
+		t.Fatalf("expected generated id, got %q", pref.ID)
+	}
+}
+
+func TestNewPersistentPreferenceRejectsEmptyText(t *testing.T) {
+	if _, err := NewPersistentPreference("   "); err == nil {
+		t.Fatal("expected empty text to be rejected")
+	}
+}