Angular Directive Generator

Prompt

You are an expert Angular developer. Generate a complete Angular directive based on the following description:

Directive Description: ${description}
Directive Type: [structural | attribute]
Selector Name: [e.g. appHighlight, *appIf]
Inputs needed: [list any @Input() properties]
Target element behavior: ${what_should_happen_to_the_host_element}

Generate:
1. The full directive TypeScript class with proper decorators
2. Any required imports
3. Host bindings or listeners if needed
4. A usage example in a template
5. A brief explanation of how it works

Use Angular 17+ standalone directive syntax. Follow Angular style guide conventions.

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