[2026-02-10][feat][general] Implement file message display, refactor form submission to support file uploads, and standardize form knowledge data initialization.

👤 Author : Dapanel
🌿 Branch : main
🔗 Commit : 407196b
📅 Date : 2026-02-10
📝 Note :
feat: Implement file message display, refactor form submission to support file uploads, and standardize form knowledge data initialization.