Unslop: lock placement map; fold plan; evidence/

- README = map + anti-slop placement rules
- BUSINESS_PLAN at docs/ (sole strategy SoT); absorb beyond-NAP
- Fold owner workflow, surfaces, MCP distribution
- research/ → evidence/; drop stub READMEs + LAYERS twin
- Fix dead main ghosts; Desk = sole scribe

docs/product/genre-packs/SOURCES.md

@@ -3,7 +3,7 @@
 Canonical links for Discovery foundation / field-map work. **Do not invent fields from memory — open these.**  
 If a link is dead or gated, mark **BLOCKED** in chat and in `core3-field-map.md`.
 
-Last updated: 2026-09-15 (porbot)
+Last updated: 2026-09-15 (SEO & AEO Desk)
 
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