feat: Add OurDigital custom skills package (10 skills)

Complete implementation of OurDigital skills with dual-platform support
(Claude Desktop + Claude Code) following standardized structure.

Skills created:
- 01-ourdigital-brand-guide: Brand reference & style guidelines
- 02-ourdigital-blog: Korean blog drafts (blog.ourdigital.org)
- 03-ourdigital-journal: English essays (journal.ourdigital.org)
- 04-ourdigital-research: Research prompts & workflows
- 05-ourdigital-document: Notion-to-presentation pipeline
- 06-ourdigital-designer: Visual/image prompt generation
- 07-ourdigital-ad-manager: Ad copywriting & keyword research
- 08-ourdigital-trainer: Training materials & workshop planning
- 09-ourdigital-backoffice: Quotes, proposals, cost analysis
- 10-ourdigital-skill-creator: Meta skill for creating new skills

Features:
- YAML frontmatter with "ourdigital" or "our" prefix triggers
- Standardized directory structure (code/, desktop/, shared/, docs/)
- Shared environment setup (_ourdigital-shared/)
- Comprehensive reference documentation
- Cross-skill integration support

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

custom-skills/05-ourdigital-document/desktop/SKILL.md

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+---
+name: ourdigital-document
+description: |
+  Notion-to-presentation workflow for OurDigital.
+  Activated with "ourdigital" keyword for document creation.
+
+  Triggers (ourdigital or our prefix):
+  - "ourdigital document", "our document"
+  - "ourdigital 문서", "our 문서"
+  - "ourdigital presentation", "our presentation"
+  - "ourdigital 발표자료", "our 발표자료"
+
+  Features:
+  - Notion research extraction
+  - Content synthesis and structuring
+  - Branded presentation generation
+  - PowerPoint and Figma output
+version: "1.1"
+author: OurDigital
+environment: Desktop
+---
+
+# OurDigital Document
+
+Transform Notion research into branded presentations for OurDigital workflows.
+
+## Activation
+
+Activate with "ourdigital" or "our" prefix:
+- "ourdigital document" / "our document"
+- "ourdigital 발표자료" / "our 발표자료"
+- "our presentation [topic]"
+- "ourdigital presentation on [topic]"
+
+## Workflow Overview
+
+```
+Phase 1: Research Collection → Phase 2: Content Synthesis → Phase 3: Presentation Planning
+    ↓
+Phase 4: Slide Generation → Phase 5: Brand Application → Phase 6: Export
+```
+
+## Phase 1: Research Collection
+
+**Goal**: Extract research content from Notion.
+
+Input sources:
+- **Notion Page**: `notion://page/[ID]` - Single research document
+- **Notion Database**: `notion://database/[ID]` - Collection query
+- **Multiple Sources**: Comma-separated URLs for synthesis
+
+Tools to use:
+- `Notion:notion-search` - Find related content
+- `Notion:notion-fetch` - Extract page content
+
+**Output**: Structured research.json with findings
+
+## Phase 2: Content Synthesis
+
+**Goal**: Analyze and structure extracted content.
+
+Processing:
+1. Identify key topics and themes
+2. Extract supporting data/statistics
+3. Prioritize by relevance and impact
+4. Generate executive summary
+
+**Output**: synthesis.json with:
+- Executive summary
+- Key topics (ranked)
+- Agenda items
+- Supporting data points
+
+## Phase 3: Presentation Planning
+
+**Goal**: Create slide-by-slide structure.
+
+Presentation types:
+| Type | Slides | Focus |
+|------|--------|-------|
+| Executive Summary | 3-5 | High-level findings, KPIs |
+| Research Report | 10-20 | Detailed methodology, data viz |
+| Meeting Prep | 5-10 | Agenda-driven, decision points |
+
+**Output**: Slide plan with:
+- Title + subtitle per slide
+- Content outline
+- Speaker notes
+- Visual suggestions
+
+## Phase 4: Slide Generation
+
+**Goal**: Generate presentation content.
+
+Slide structure:
+```
+├── Title Slide (project name, date, author)
+├── Agenda (numbered topics)
+├── Content Slides (1-3 per topic)
+│   ├── Key finding header
+│   ├── Supporting points (3-5 bullets)
+│   └── Data visualization placeholder
+├── Summary Slide (key takeaways)
+└── Next Steps / Q&A
+```
+
+## Phase 5: Brand Application
+
+**Goal**: Apply OurDigital corporate styling.
+
+Brand elements:
+- **Colors**: OurDigital palette from `01-ourdigital-brand-guide`
+- **Fonts**: Poppins (headings), Lora (body)
+- **Logo**: Positioned per brand guidelines
+- **Spacing**: Consistent margins and padding
+
+Configuration: `shared/references/brand-config.json`
+
+## Phase 6: Export
+
+**Goal**: Generate final deliverable.
+
+Output formats:
+- **PowerPoint (.pptx)**: Full presentation with animations
+- **Figma Slides**: Web-based collaborative format
+- **HTML Preview**: Quick review before final export
+
+Export paths:
+- Desktop: `~/Downloads/presentations/`
+- Figma: Via Figma API
+
+## Quick Commands
+
+| Command | Action |
+|---------|--------|
+| "ourdigital document [Notion URL]" | Full pipeline |
+| "ourdigital 발표자료 만들어줘" | Korean trigger |
+| "ourdigital presentation → pptx" | PowerPoint output |
+| "ourdigital presentation → figma" | Figma output |
+
+## Presentation Templates
+
+| Template | Use Case |
+|----------|----------|
+| Executive | Board meetings, C-level briefs |
+| Research | Deep-dive analysis, team reviews |
+| Meeting | Weekly syncs, project updates |
+| Workshop | Training, collaborative sessions |
+
+## References
+
+- `shared/references/slide-layouts.md` - Layout options
+- `shared/references/agenda-templates.md` - Structure templates
+- `01-ourdigital-brand-guide` - Brand guidelines
+- `04-ourdigital-research` - Research workflow integration

custom-skills/05-ourdigital-document/desktop/skill.yaml

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+name: ourdigital-document
+description: |
+  Notion-to-presentation workflow for OurDigital.
+  Activated with "ourdigital" keyword.
+
+  Triggers:
+  - "ourdigital document", "ourdigital 문서"
+  - "ourdigital presentation", "ourdigital 프레젠테이션"
+  - "ourdigital pptx", "ourdigital 발표자료"
+
+allowed-tools:
+  - mcp__plugin_Notion_notion__*
+  - mcp__plugin_figma_figma__*
+  - Read
+  - Write
+
+license: Internal-use Only