Add SEO skills 33-34 and fix bugs in skills 19-34

New skills:
- Skill 33: Site migration planner with redirect mapping and monitoring
- Skill 34: Reporting dashboard with HTML charts and Korean executive reports

Bug fixes (Skill 34 - report_aggregator.py):
- Add audit_type fallback for skill identification (was only using audit_id prefix)
- Extract health scores from nested data dict (technical_score, onpage_score, etc.)
- Support subdomain matching in domain filter (blog.ourdigital.org matches ourdigital.org)
- Skip self-referencing DASH- aggregated reports

Bug fixes (Skill 20 - naver_serp_analyzer.py):
- Remove VIEW tab selectors (removed by Naver in 2026)
- Add new section detectors: books (도서), shortform (숏폼), influencer (인플루언서)

Improvements (Skill 34 - dashboard/executive report):
- Add Korean category labels for Chart.js charts (기술 SEO, 온페이지, etc.)
- Add Korean trend labels (개선 중 ↑, 안정 →, 하락 중 ↓)
- Add English→Korean issue description translation layer (20 common patterns)

Documentation improvements:
- Add Korean triggers to 4 skill descriptions (19, 25, 28, 31)
- Expand Skill 32 SKILL.md from 40→143 lines (was 6/10, added workflow, output format, limitations)
- Add output format examples to Skills 27 and 28 SKILL.md
- Add limitations sections to Skills 27 and 28
- Update README.md, CLAUDE.md, AGENTS.md for skills 33-34

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

AGENTS.md

@@ -115,15 +115,17 @@ Task 2: general-purpose - "Implement the planned skill"  # Needs Task 1 result
 
 ## Domain-Specific Routing
 
-### SEO Skills (11-32)
+### SEO Skills (11-34)
 
 - Use **Explore** to understand existing SEO script patterns
 - Python scripts in these skills follow `base_client.py` patterns (RateLimiter, ConfigManager, BaseAsyncClient)
 - `11-seo-comprehensive-audit` orchestrates skills 12-18 for unified audits
 - Skills 19-28 provide advanced SEO capabilities (keyword strategy, SERP analysis, position tracking, link building, content strategy, e-commerce, KPI framework, international SEO, AI visibility, knowledge graph)
 - Skills 31-32 cover competitor intelligence and crawl budget optimization
+- Skill 33 provides site migration planning (pre-migration baseline, redirect mapping, risk assessment, post-migration monitoring)
+- Skill 34 aggregates outputs from all SEO skills into executive reports, HTML dashboards, and Korean-language summaries
 - All SEO skills integrate with Ahrefs MCP tools and output to the Notion SEO Audit Log database
-- Slash commands available: `/seo-keyword-strategy`, `/seo-serp-analysis`, `/seo-position-tracking`, `/seo-link-building`, `/seo-content-strategy`, `/seo-ecommerce`, `/seo-kpi-framework`, `/seo-international`, `/seo-ai-visibility`, `/seo-knowledge-graph`, `/seo-competitor-intel`, `/seo-crawl-budget`
+- Slash commands available: `/seo-keyword-strategy`, `/seo-serp-analysis`, `/seo-position-tracking`, `/seo-link-building`, `/seo-content-strategy`, `/seo-ecommerce`, `/seo-kpi-framework`, `/seo-international`, `/seo-ai-visibility`, `/seo-knowledge-graph`, `/seo-competitor-intel`, `/seo-crawl-budget`, `/seo-migration-planner`, `/seo-reporting-dashboard`
 
 ### GTM Skills (60-69)
 
@@ -202,7 +204,7 @@ For long-running tasks, use `run_in_background: true`:
 
 ```
 # Good candidates for background execution:
-- Full skill audit across all 50 skills
+- Full skill audit across all 52 skills
 - Running Python tests on multiple skills
 - Generating comprehensive documentation