v3.0.3 - Classic Admin UI Restored

What's Changed in v3.0.3

🎨 UI Restore

• Reverted to the classic full-width custom admin editor UI from v2.0.4
• Custom title bar with product name input, Save & Preview buttons
• Full-width grid layout (main content + sidebar)
• Description editor card in right sidebar

🔧 Fix

• Eliminated admin panel layout deformation caused by conflicting CSS/JS
• Bumped to 3.0.3 to force browser cache refresh