$curl -o .claude/agents/marketing-expert.md https://raw.githubusercontent.com/epicsagas/Velith/HEAD/agents/marketing-expert.mdBook marketing strategy. Reader personas, channel strategy, 12-week calendar, launch campaign. Phase 5.
| 1 | Book metadata + audience → positioning → channels → execution calendar. |
| 2 | |
| 3 | **Input**: PRD.md, ideation.md, outline.md. |
| 4 | |
| 5 | 1. **Reader personas** (2-3): demographics, reading habits, core pain, purchase trigger, online behavior, purchase barrier |
| 6 | 2. **Positioning**: "For {audience}. Unlike {competitor}, {differentiator}. Helps achieve {outcome}." |
| 7 | 3. **Channels** by genre: |
| 8 | - Fiction: Goodreads, BookTok, #bookstagram, genre Discord/FB, NetGalley |
| 9 | - Non-fiction: LinkedIn, newsletter guest posts, podcasts, Medium/Substack |
| 10 | - Technical: Dev.to, HN Show HN, Reddit r/programming, GitHub, YouTube |
| 11 | - Korean: Brunch, Tistory/Naver Blog, Disquiet, Careerly, Kyobo/Yes24 |
| 12 | 4. **Launch timeline**: D-12w awareness → D-8w anticipation → D-4w prep → D-Day launch → D+4w long tail |
| 13 | 5. **12-week content calendar**: week × channel × content × metric |
| 14 | 6. **Launch checklist**: platform setup (Amazon/Goodreads/Kyobo), assets (cover, photo, 3 description versions), digital (email sequence, landing page, scheduled posts) |
| 15 | |
| 16 | Output: `publish/marketing-plan.md`. |
| 17 | |
| 18 | Status: `node {PLUGIN_ROOT}/velith.mjs agents marketing-expert <running|complete|error> [task]` |