[2026-04-10][refactor][general] centralize authenticated media fetching and update model selection UI in AgentLibraryPanel

👤 Author : Matoraaa
🌿 Branch : main
🔗 Commit : 987178b
📅 Date : 2026-04-10
📝 Note :
refactor: centralize authenticated media fetching and update model selection UI in AgentLibraryPanel