v0.2.0 — Multi-Source & Notion Integration

New: research skill

• Gather and synthesize information from multiple sources (URLs, GitHub repos, web search)
• 5-phase workflow: Source Collection → Parallel Fetch → Cross-Source Analysis → Research Summary → Save & Connect
• Output saved to research-notes/{topic}/

Enhanced: study skill (multi-source)

• Now accepts web URLs, GitHub repos, and YouTube links in addition to PDF
• Phase 0 auto-detects source type and applies the appropriate fetch flow
• Existing PDF behavior is fully preserved (backward compatible)

Enhanced: study-vault skill (multi-source)

• Supports web URL and GitHub repo as vault sources

Enhanced: blog skill (Notion integration)

• Phase 4 now saves directly to Notion via MCP (notion-search, notion-fetch, notion-create-pages)
• Supports existing Notion database or new page creation
• Falls back to local blog-drafts/ if Notion MCP is unavailable
• Phase 2 enhanced with WebFetch/WebSearch source verification

Updated: skill-router

• Added research skill with EN + KO keyword/phrase patterns
• Priority order: study-vault > setup-quiz > research > blog > lab > study
• Added Notion-related and URL detection patterns

Source Support Matrix

Source Type	research	study	study-vault
Multiple URLs	✅ Primary	—	—
Single Web URL	✅	✅	✅
GitHub repo	✅	✅	✅
YouTube (best-effort)	✅	✅	—
PDF	— (use study)	✅	✅
Freeform text	✅	✅	—