Lesson 5 cleanup

[jaygiang]

Lesson 5: Form Validation - Documentation Updates

Key Changes

Added to Lesson 5: Form Validation

• Comprehensive Validation Coverage: Added validation for Start Trip, Catch Log, and End Trip forms
• Code Examples with Diff Highlighting: Used consistent //diff-add-start markers for all code snippets

Added Step 1: Understanding Form Validation Architecture

• 1.1: Validation Architecture - Explains validation patterns used in RADFish applications
• 1.2: Validation Types - Covers required fields, data types, ranges, and business logic validation

Added Step 2: Start Trip Form Validation

• 2.1: Set Validation Error State - React state management for validation errors
• 2.2: Required Field Validation Logic - Standardized validation helper functions
• 2.3: Display Error Messages - USWDS ErrorMessage components with accessibility features

Added Step 3: Catch Log Form Validation

• 3.1: New Catch Validation - Complex validation rules including number ranges and coordinates
• 3.2: Recorded Catches Validation - Multi-record validation for existing catches list
• 3.3: Error Display for Recorded Catches - Index-specific error handling and display

Added Step 4: End Trip Practice Exercise

• Student-Driven Learning: Changed from showing complete implementation to guided practice
• Clear Task Structure: Three specific implementation tasks with hints
• Self-Assessment: Testing steps for students to verify their work

Updated Consistent Naming Conventions

• Kebab-Case IDs: Updated all aria-describedby and <span id= references across lessons 2-5
• Examples: tripDate-hint → trip-date-hint, tripDateErrorMessage → trip-date-error-message

[theangchen]

✅ LGTM