# task-domain-logic > Use this skill when implementing or validating core task business rules. - Author: Naeemgithubrit - Repository: Naeemgithubrit/phase-2-fullstacktodo - Version: 20260206223442 - Stars: 0 - Forks: 0 - Last Updated: 2026-02-06 - Source: https://github.com/Naeemgithubrit/phase-2-fullstacktodo - Web: https://mule.run/skillshub/@@Naeemgithubrit/phase-2-fullstacktodo~task-domain-logic:20260206223442 --- --- name: task-domain-logic description: Use this skill when implementing or validating core task business rules. --- # Task Domain Logic ## Instructions 1. Enforce task validation rules. 2. Ensure tasks belong to the authenticated user. 3. Control task state transitions. 4. Apply filtering and sorting rules. 5. Maintain domain consistency. ## Examples - Validating task title length before creation. - Toggling task completion state. - Filtering completed versus pending tasks.