- DB: renamed console_url to agent_link, added agent_login, agent_password, games_link, agent_guide to platforms table
- api/platforms.php: create/update now handles all 5 agent fields (admin-only)
- admin/index.php: game form has new Agent Info section (purple, admin-only styling); game list cards show all agent fields inline; JS saveGame/editGame/resetGameForm updated
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>