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45---
id: "11.02"
title: Add input validation and user feedback
status: todo
parent: "11"
priority: medium
created_at: 2025-09-12T05:42:04.722536Z
updated_at: 2025-09-12T06:33:29.51732Z
history:
- timestamp: 2025-09-12T06:33:29.517314Z
change: Implementation plan changed
- timestamp: 2025-09-12T06:33:29.517317Z
change: 'Added acceptance criterion #1: "Input validation with clear feedback"'
- timestamp: 2025-09-12T06:33:29.517317Z
change: 'Added acceptance criterion #2: "Type and format validation"'
- timestamp: 2025-09-12T06:33:29.517318Z
change: 'Added acceptance criterion #3: "Business rule validation"'
- timestamp: 2025-09-12T06:33:29.517318Z
change: 'Added acceptance criterion #4: "Helpful error suggestions"'
- timestamp: 2025-09-12T06:33:29.517319Z
change: 'Added acceptance criterion #5: "User experience improvements"'
---
## Description
Implement helpful validation with error messages
## Acceptance Criteria
<!-- AC:BEGIN -->
- [ ] #1 Input validation with clear feedback
- [ ] #2 Type and format validation
- [ ] #3 Business rule validation
- [ ] #4 Helpful error suggestions
- [ ] #5 User experience improvements
<!-- AC:END -->
## Implementation Plan
1. Implement comprehensive validation\n2. Add clear error feedback\n3. Validate business rules\n4. Provide helpful suggestions\n5. Improve user experience"
## Implementation Notes