[2026-04-30][refactor][general] standardize Sequelize associations to use explicit association objects in plan and feature services
👤 Author : Matoraaa
🌿 Branch : master
🔗 Commit : 32004d4
📅 Date : 2026-04-30
📝 Note :
refactor: standardize Sequelize associations to use explicit association objects in plan and feature services