feat(skills): Add mandatory Notion output requirement to all audit skills

All SEO (10-18) and GTM (20-21) skills now require saving reports to:
- Database: OurDigital SEO Audit Log (2c8581e5-8a1e-8035-880b-e38cefc2f3ef)
- Format: Korean content with English technical terms
- Audit ID: [TYPE]-YYYYMMDD-NNN

Updated files:
- 9 SEO skills (code/CLAUDE.md + desktop/SKILL.md)
- 2 GTM skills (code/CLAUDE.md + desktop/SKILL.md)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

custom-skills/18-seo-gateway-builder/code/CLAUDE.md

@@ -80,3 +80,38 @@ Generates markdown files with:
 2. Configure services and locations
 3. Run generator for content drafts
 4. Review and customize output
+
+## Notion Output (Required)
+
+**IMPORTANT**: All audit reports MUST be saved to the OurDigital SEO Audit Log database.
+
+### Database Configuration
+
+| Field | Value |
+|-------|-------|
+| Database ID | `2c8581e5-8a1e-8035-880b-e38cefc2f3ef` |
+| URL | https://www.notion.so/dintelligence/2c8581e58a1e8035880be38cefc2f3ef |
+
+### Required Properties
+
+| Property | Type | Description |
+|----------|------|-------------|
+| Issue | Title | Report title (Korean + date) |
+| Site | URL | Audited website URL |
+| Category | Select | Technical SEO, On-page SEO, Performance, Schema/Structured Data, Sitemap, Robots.txt, Content, Local SEO |
+| Priority | Select | Critical, High, Medium, Low |
+| Found Date | Date | Audit date (YYYY-MM-DD) |
+| Audit ID | Rich Text | Format: [TYPE]-YYYYMMDD-NNN |
+
+### Language Guidelines
+
+- Report content in Korean (한국어)
+- Keep technical English terms as-is (e.g., SEO Audit, Core Web Vitals, Schema Markup)
+- URLs and code remain unchanged
+
+### Example MCP Call
+
+```bash
+mcp-cli call notion/API-post-page '{"parent": {"database_id": "2c8581e5-8a1e-8035-880b-e38cefc2f3ef"}, "properties": {...}}'
+```
+

custom-skills/18-seo-gateway-builder/desktop/SKILL.md

@@ -375,3 +375,12 @@ Include question schema markup format
 ---
 
 *This skill is optimized for Korean medical and beauty service markets but can be adapted for any local service business requiring location-based gateway pages.*
+
+## Notion Output (Required)
+
+All audit reports MUST be saved to OurDigital SEO Audit Log:
+- **Database ID**: `2c8581e5-8a1e-8035-880b-e38cefc2f3ef`
+- **Properties**: Issue (title), Site (url), Category, Priority, Found Date, Audit ID
+- **Language**: Korean with English technical terms
+- **Audit ID Format**: [TYPE]-YYYYMMDD-NNN
+