Angular core patterns: standalone components, signals, inject, control flow, zoneless. Trigger: When creating Angular components, using signals, or setting up zoneless.
$npx -y skills add gentleman-programming/gentleman-skills --skill coreInstalls into the current project.
Run `npx skills use "https://github.com/gentleman-programming/gentleman-skills" --skill "gentleman-programming/gentleman-skills/core"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/gentleman-programming/gentleman-skills" that are relevant to the current task. Run `npx skills add "https://github.com/gentleman-programming/gentleman-skills"` and select the relevant skills, then follow their instructions.