Laravel Validation Patterns Form Request Classes (Standard Approach) Custom Rule Objects Conditional Validation Array and Nested Validation Database Rules Enum Validation Working with Validated Data Common Pitfalls Checklist - [ ] Validation logic lives in Form Request classes, not controllers - [ ] authorize() method properly checks permissions - [ ] Custom Rule objects used for reusable complex validation - [ ] prepareForValidation() sanitizes input before validation - [ ] after() used for cross-field or business logic validation - [ ] Array and nested fields validated with wildcard notatio…