Working on Formating DSL completion

CLAUDE.md

@@ -108,6 +108,17 @@ Activates the full development workflow with:
 - Strict PEP 8 compliance
 - Test-driven development with `test_i_can_xxx` / `test_i_cannot_xxx` patterns
 
+### `/developer-control` - Control Development Mode
+**Use for:** Developing UI controls in the controls directory
+
+Specialized mode with rules for:
+- Control class inheritance (`MultipleInstance`, `SingleInstance`, `UniqueInstance`)
+- Commands class pattern with `BaseCommands`
+- State management with `DbObject`
+- Rendering with `render()` and `__ft__()`
+- Helper usage (`mk.button`, `mk.icon`, `mk.label`)
+- Sub-component composition
+
 ### `/technical-writer` - Documentation Mode
 **Use for:** Writing user-facing documentation