fix(angular): Add risk and source fields to meet quality bar requirements

skills/angular-best-practices/SKILL.md

@@ -1,6 +1,8 @@
 ---
 name: angular-best-practices
 description: Angular performance optimization and best practices guide. Use when writing, reviewing, or refactoring Angular code for optimal performance, bundle size, and rendering efficiency.
+risk: safe
+source: self
 ---
 
 # Angular Best Practices

skills/angular-state-management/SKILL.md

@@ -1,6 +1,8 @@
 ---
 name: angular-state-management
 description: Master modern Angular state management with Signals, NgRx, and RxJS. Use when setting up global state, managing component stores, choosing between state solutions, or migrating from legacy patterns.
+risk: safe
+source: self
 ---
 
 # Angular State Management

skills/angular-ui-patterns/SKILL.md

@@ -1,6 +1,8 @@
 ---
 name: angular-ui-patterns
 description: Modern Angular UI patterns for loading states, error handling, and data display. Use when building UI components, handling async data, or managing component states.
+risk: safe
+source: self
 ---
 
 # Angular UI Patterns

skills/angular/SKILL.md

@@ -5,6 +5,8 @@ description: >-
   Components, Zoneless applications, SSR/Hydration, and reactive patterns.
   Use PROACTIVELY for Angular development, component architecture, state
   management, performance optimization, and migration to modern patterns.
+risk: safe
+source: self
 ---
 
 # Angular Expert