Add development practices reference to CLAUDE.md

Reference the shared development practices at ../development-practices.yaml
to provide Claude Code instances with consistent guidance on:
- Task management with TodoWrite
- Tool usage patterns and batching
- Debugging approaches and common bug patterns
- Code quality standards and communication guidelines

Resolves #10

CLAUDE.md

@@ -63,6 +63,16 @@ Key principles:
 - Always use worktrees for feature development
 - Complete cleanup after merge
 
+## Development Practices
+
+Claude Code instances should follow the development practices documented at: `../development-practices.yaml`
+
+This includes:
+- Task management with TodoWrite
+- Tool usage patterns and batching
+- Debugging approaches and common bug patterns
+- Code quality standards and communication guidelines
+
 ## Development Workflow
 
 1. Configuration changes are made in `lua/custom/` files