📝 docs: add css-keyframes-animations skill to mandatory usage tables

Added css-keyframes-animations skill to documentation:
- Mandatory skill invocation rules table (trigger: creating CSS animations)
- Skill chaining table (component with animations workflow)

CLAUDE.md

@@ -44,6 +44,7 @@ This file contains meta-instructions for how Claude should work with the ISA-Fro
 | Writing HTML with interactivity | `html-template` | E2E attributes (data-what, data-which) + ARIA |
 | Applying Tailwind classes | `tailwind` | Design system consistency |
 | Writing Angular code | `logging` | Mandatory logging via @isa/core/logging |
+| Creating CSS animations | `css-keyframes-animations` | Native @keyframes + animate.enter/leave + GPU acceleration |
 | Creating new library | `library-scaffolder` | Proper Nx setup + Vitest config |
 | Regenerating API clients | `swagger-sync-manager` | All 10 clients + validation |
 | Migrating to standalone | `standalone-component-migrator` | Complete migration workflow |
@@ -86,6 +87,7 @@ Assistant: [Writes component following all skill guidelines]
 | Task | Required Skill Chain | Order |
 |------|---------------------|-------|
 | New Angular component | `angular-template` → `html-template` → `logging` → `tailwind` | Template syntax → HTML attributes → Logging → Styling |
+| Component with animations | `angular-template` → `html-template` → `css-keyframes-animations` → `logging` → `tailwind` | Template → HTML → Animations → Logging → Styling |
 | New library | `library-scaffolder` → `architecture-enforcer` | Scaffold → Validate structure |
 | API sync | `api-change-analyzer` → `swagger-sync-manager` | Analyze changes → Regenerate clients |
 | Component migration | `standalone-component-migrator` → `test-migration-specialist` | Migrate component → Migrate tests |