State management for Angular 18-21: signals (signal/computed/effect), services-as-state, NgRx Store + Effects + Selectors, NgRx Component Store, NgRx Signals (newer signal-based store). RxJS essentials — operators, async pipe, takeUntilDestroyed, signal/observable interop.
$npx -y skills add aratkruglik/claude-sdlc --skill angular-state-and-rxInstalls into the current project.
Run `npx skills use "https://github.com/aratkruglik/claude-sdlc" --skill "aratkruglik/claude-sdlc/angular-state-and-rx"` 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/aratkruglik/claude-sdlc" that are relevant to the current task. Run `npx skills add "https://github.com/aratkruglik/claude-sdlc"` and select the relevant skills, then follow their instructions.