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chore(release): v4.8.0 - Computer Vision & Angular

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CATALOG.md
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# Skill Catalog
Generated at: 2026-02-04T07:49:25.063Z
Generated at: 2026-02-04T07:52:07.897Z
Total skills: 631

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CHANGELOG.md
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---
## [4.8.0] - 2026-02-04 - "Computer Vision & Angular"
> Major SOTA Computer Vision update and complete Angular 20+ skill suite.
### Added
- **New Skill**: `computer-vision-expert` – Updated foundational skill for 2026 SOTA Computer Vision (YOLO26, SAM 3, VLMs).
- **New Suite**: `angular` – 4 comprehensive skills for Angular v20+ development:
- `angular` – Core patterns (Signals, Standalone, Zoneless).
- `angular-best-practices` – Performance and optimization.
- `angular-state-management` – Signal-based state management (NgRx, ComponentStore).
- `angular-ui-patterns` – UI/UX engineering patterns.
### Registry
- **Total Skills**: 631 (from 626). Catalog regenerated.
### Credits
- [@PabloSMD](https://github.com/PabloSMD) – computer-vision-expert (PR #58)
- [@chauey](https://github.com/chauey) – angular suite (PR #60)
---
## [4.7.0] - 2026-02-03 - "Installer Fix & OpenCode Docs"
> Critical installer fix for Windows and OpenCode documentation completion.

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data/aliases.json
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"accessibility-compliance-audit": "accessibility-compliance-accessibility-audit",
"active directory attacks": "active-directory-attacks",

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data/bundles.json
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{
"generatedAt": "2026-02-04T07:49:25.063Z",
"generatedAt": "2026-02-04T07:52:07.897Z",
"bundles": {
"core-dev": {
"description": "Core development skills across languages, frameworks, and backend/frontend fundamentals.",

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data/catalog.json
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{
"generatedAt": "2026-02-04T07:49:25.063Z",
"generatedAt": "2026-02-04T07:52:07.897Z",
"total": 631,
"skills": [
{

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package-lock.json generated
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{
"name": "antigravity-awesome-skills",
"version": "4.2.0",
"version": "4.8.0",
"lockfileVersion": 3,
"requires": true,
"packages": {
"": {
"name": "antigravity-awesome-skills",
"version": "4.2.0",
"version": "4.8.0",
"license": "MIT",
"dependencies": {
"yaml": "^2.8.2"

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package.json
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{
"name": "antigravity-awesome-skills",
"version": "4.7.0",
"version": "4.8.0",
"description": "626+ agentic skills for Claude Code, Gemini CLI, Cursor, Antigravity & more. Installer CLI.",
"license": "MIT",
"scripts": {

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skills/angular-best-practices/README.md
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# Angular Best Practices
Performance optimization and best practices for Angular applications optimized for AI agents and LLMs.
## Overview
This skill provides prioritized performance guidelines across:
- **Change Detection** - OnPush strategy, Signals, Zoneless apps
- **Async Operations** - Avoiding waterfalls, SSR preloading
- **Bundle Optimization** - Lazy loading, `@defer`, tree-shaking
- **Rendering Performance** - TrackBy, virtual scrolling, CDK
- **SSR & Hydration** - Server-side rendering patterns
- **Template Optimization** - Structural directives, pipe memoization
- **State Management** - Efficient reactivity patterns
- **Memory Management** - Subscription cleanup, detached refs
## Structure
The `SKILL.md` file is organized by priority:
1. **Critical Priority** - Largest performance gains (change detection, async)
2. **High Priority** - Significant impact (bundles, rendering)
3. **Medium Priority** - Noticeable improvements (SSR, templates)
4. **Low Priority** - Incremental gains (memory, cleanup)
Each rule includes:
- ❌ **WRONG** - What not to do
- ✅ **CORRECT** - Recommended pattern
- 📝 **Why** - Explanation of the impact
## Quick Reference Checklist
**For New Components:**
- [ ] Using `ChangeDetectionStrategy.OnPush`
- [ ] Using Signals for reactive state
- [ ] Using `@defer` for non-critical content
- [ ] Using `trackBy` for `*ngFor` loops
- [ ] No subscriptions without cleanup
**For Performance Reviews:**
- [ ] No async waterfalls (parallel data fetching)
- [ ] Routes lazy-loaded
- [ ] Large libraries code-split
- [ ] Images use `NgOptimizedImage`
## Version
Current version: 1.0.0 (February 2026)
## References
- [Angular Performance](https://angular.dev/guide/performance)
- [Zoneless Angular](https://angular.dev/guide/zoneless)
- [Angular SSR](https://angular.dev/guide/ssr)

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skills/angular-best-practices/metadata.json
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{
"version": "1.0.0",
"organization": "Antigravity Awesome Skills",
"date": "February 2026",
"abstract": "Performance optimization and best practices guide for Angular applications designed for AI agents and LLMs. Covers change detection strategies (OnPush, Signals, Zoneless), avoiding async waterfalls, bundle optimization with lazy loading and @defer, rendering performance, SSR/hydration patterns, and memory management. Prioritized by impact from critical to incremental improvements.",
"references": [
"https://angular.dev/best-practices",
"https://angular.dev/guide/performance",
"https://angular.dev/guide/zoneless",
"https://angular.dev/guide/ssr",
"https://web.dev/performance"
]
}

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skills/angular-state-management/README.md
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# Angular State Management
Complete state management patterns for Angular applications optimized for AI agents and LLMs.
## Overview
This skill provides decision frameworks and implementation patterns for:
- **Signal-based Services** - Lightweight state for shared data
- **NgRx SignalStore** - Feature-scoped state with computed values
- **NgRx Store** - Enterprise-scale global state management
- **RxJS ComponentStore** - Reactive component-level state
- **Forms State** - Reactive and template-driven form patterns
## Structure
The `SKILL.md` file is organized into:
1. **State Categories** - Local, shared, global, server, URL, and form state
2. **Selection Criteria** - Decision trees for choosing the right solution
3. **Implementation Patterns** - Complete examples for each approach
4. **Migration Guides** - Moving from BehaviorSubject to Signals
5. **Bridging Patterns** - Integrating Signals with RxJS
## When to Use Each Pattern
- **Signal Service**: Shared UI state (theme, user preferences)
- **NgRx SignalStore**: Feature state with computed values
- **NgRx Store**: Complex cross-feature dependencies
- **ComponentStore**: Component-scoped async operations
- **Reactive Forms**: Form state with validation
## Version
Current version: 1.0.0 (February 2026)
## References
- [Angular Signals](https://angular.dev/guide/signals)
- [NgRx](https://ngrx.io)
- [NgRx SignalStore](https://ngrx.io/guide/signals)

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skills/angular-state-management/metadata.json
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{
"version": "1.0.0",
"organization": "Antigravity Awesome Skills",
"date": "February 2026",
"abstract": "Complete state management guide for Angular applications designed for AI agents and LLMs. Covers Signal-based services, NgRx for global state, RxJS patterns, and component stores. Includes decision trees for choosing the right solution, migration patterns from BehaviorSubject to Signals, and strategies for bridging Signals with RxJS observables.",
"references": [
"https://angular.dev/guide/signals",
"https://ngrx.io",
"https://ngrx.io/guide/signals",
"https://www.rx-angular.io",
"https://github.com/ngrx/platform"
]
}

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skills/angular-ui-patterns/README.md
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# Angular UI Patterns
Modern UI patterns for building robust Angular applications optimized for AI agents and LLMs.
## Overview
This skill covers essential UI patterns for:
- **Loading States** - Skeleton vs spinner decision trees
- **Error Handling** - Error boundary hierarchy and recovery
- **Progressive Disclosure** - Using `@defer` for lazy rendering
- **Data Display** - Handling empty, loading, and error states
- **Form Patterns** - Submission states and validation feedback
- **Dialog/Modal Patterns** - Proper dialog lifecycle management
## Core Principles
1. **Never show stale UI** - Only show loading when no data exists
2. **Surface all errors** - Never silently fail
3. **Optimistic updates** - Update UI before server confirms
4. **Progressive disclosure** - Use `@defer` to load non-critical content
5. **Graceful degradation** - Fallback for failed features
## Structure
The `SKILL.md` file includes:
1. **Golden Rules** - Non-negotiable patterns to follow
2. **Decision Trees** - When to use skeleton vs spinner
3. **Code Examples** - Correct vs incorrect implementations
4. **Anti-patterns** - Common mistakes to avoid
## Quick Reference
```html
<!-- Angular template pattern for data states -->
@if (error()) {
<app-error-state [error]="error()" (retry)="load()" />
} @else if (loading() && !data()) {
<app-skeleton-state />
} @else if (!data()?.length) {
<app-empty-state message="No items found" />
} @else {
<app-data-display [data]="data()" />
}
```
## Version
Current version: 1.0.0 (February 2026)
## References
- [Angular @defer](https://angular.dev/guide/defer)
- [Angular Templates](https://angular.dev/guide/templates)

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{
"version": "1.0.0",
"organization": "Antigravity Awesome Skills",
"date": "February 2026",
"abstract": "Modern UI patterns for Angular applications designed for AI agents and LLMs. Covers loading states, error handling, progressive disclosure, and data display patterns. Emphasizes showing loading only without data, surfacing all errors, optimistic updates, and graceful degradation using @defer. Includes decision trees and anti-patterns to avoid.",
"references": [
"https://angular.dev/guide/defer",
"https://angular.dev/guide/templates",
"https://material.angular.io",
"https://ng-spartan.com"
]
}

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skills/angular/README.md
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# Angular
A comprehensive guide to modern Angular development (v20+) optimized for AI agents and LLMs.
## Overview
This skill covers modern Angular patterns including:
- **Signals** - Angular's reactive primitive for state management
- **Standalone Components** - Modern component architecture without NgModules
- **Zoneless Applications** - High-performance apps without Zone.js
- **SSR & Hydration** - Server-side rendering and client hydration patterns
- **Modern Routing** - Functional guards, resolvers, and lazy loading
- **Dependency Injection** - Modern DI with `inject()` function
- **Reactive Forms** - Type-safe form handling
## Structure
This skill is a single, comprehensive `SKILL.md` file containing:
1. Modern component patterns with Signal inputs/outputs
2. State management with Signals and computed values
3. Performance optimization techniques
4. SSR and hydration best practices
5. Migration strategies from legacy Angular patterns
## Usage
This skill is designed to be read in full to understand the complete modern Angular development approach, or referenced for specific patterns when needed.
## Version
Current version: 1.0.0 (February 2026)
## References
- [Angular Documentation](https://angular.dev)
- [Angular Signals](https://angular.dev/guide/signals)
- [Zoneless Angular](https://angular.dev/guide/zoneless)
- [Angular SSR](https://angular.dev/guide/ssr)

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{
"version": "1.0.0",
"organization": "Antigravity Awesome Skills",
"date": "February 2026",
"abstract": "Comprehensive guide to modern Angular development (v20+) designed for AI agents and LLMs. Covers Signals, Standalone Components, Zoneless applications, SSR/Hydration, reactive patterns, routing, dependency injection, and modern forms. Emphasizes component-driven architecture with practical examples and migration strategies for modernizing existing codebases.",
"references": [
"https://angular.dev",
"https://angular.dev/guide/signals",
"https://angular.dev/guide/zoneless",
"https://angular.dev/guide/ssr",
"https://angular.dev/guide/standalone-components",
"https://angular.dev/guide/defer"
]
}