Generic Feature Developer Guide feature development across any tech stack. When to Use This Skill Use for: - Adding new features to existing codebase - Modifying or extending current systems - Planning architectural changes - Choosing between implementation approaches - Designing data flow for new functionality Don't use when: - Pure UI/styling work → use - UX design decisions → use - Code review → use Development Workflow 1. Understand - Read CLAUDE.md, identify affected files, list constraints 2. Plan - Choose patterns, design data flow, identify edge cases 3. Implement - Small testable cha…