IOS-5420 Implement progressive disclosure documentation system

- Created 3-level architecture: CLAUDE.md (overview) → Skills (routers) → Specialized guides (comprehensive)
- Added 6 smart router skills with auto-activation via hooks
- Consolidated code review docs: CODE_REVIEW_GUIDE.md + pr-review-automation.md
- Slimmed CLAUDE.md from 457 to 310 lines
- Created specialized guides: IOS_DEVELOPMENT_GUIDE.md, LOCALIZATION_GUIDE.md, CODE_GENERATION_GUIDE.md, SKILLS_MANAGEMENT_GUIDE.md
- Updated GitHub workflow to use progressive disclosure system

Author: ignatovv

.github/workflows/code-review-guidelines.md renamed to .claude/CODE_REVIEW_GUIDE.md

@@ -1,6 +1,6 @@
-# Code Review Guidelines
+# Code Review Guide
 
-Shared review standards for both local reviews and automated CI reviews.
+Comprehensive review standards for both local reviews and automated CI reviews.
 
 ## Core Review Rules