fixes and improvements for new server settings menu

internal/procctl/admin_restart_test.go

@@ -0,0 +1,35 @@
+package procctl
+
+import (
+	"context"
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestHandlePendingAdminRestartNoop(t *testing.T) {
+	m := NewManager(t.TempDir())
+	restarted, err := m.HandlePendingAdminRestart(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if restarted {
+		t.Fatal("expected no-op when no restart was requested")
+	}
+}
+
+func TestHandlePendingAdminRestartFlagRoundTrip(t *testing.T) {
+	dir := t.TempDir()
+	statePath := filepath.Join(dir, stateFileName)
+	if err := os.WriteFile(statePath, []byte(`{"server_pid":123,"admin_pid":0,"pending_admin_restart":true}`), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	m := NewManager(dir)
+	st := m.loadState()
+	if !st.PendingAdminRestart {
+		t.Fatal("expected PendingAdminRestart to round-trip from JSON")
+	}
+	if st.ServerPID != 123 {
+		t.Fatalf("ServerPID = %d, want 123 (existing fields must survive)", st.ServerPID)
+	}
+}