v1.1.2 - UX & Performance

• Fixed "Job was cancelled" error notifications
• Back arrow instead of X in editor
• Pull-to-Refresh for manual sync
• HTTP/HTTPS protocol selector (radio buttons)
• Inline error display (no toast spam)
• Grouped settings (Auto-Sync & Interval)
• Sync only on actual changes (saves battery)
• 24h server offline warning
• HTTP only for local networks (RFC 1918 IPs)
• Removed auto-save notifications
