repo-structure: authors/ is canonical cross-section dossier store; section AUTHORS-EN.md now thin indexes

- 56 new author dossiers (all sec04 + sec01 authors), 69 total
- sec04/sec01 AUTHORS-EN.md rewritten as item→dossier link tables
- AGENTS.md conventions + Phase 0 updated
- item 54 identity: Ann Belford Miller (Alice Miller-Ulanov); homonym dossier miller-alice-englard (Alicja Englard, NOT the same person)

sections/01-fundamentals/16-shadow-and-self.md

@@ -4,6 +4,7 @@
 **Publisher (EN):** Chiron, 1990
 **Shelf mark:** PA367
 **Section:** 01 Fundamentals / A.2
+**EN ISBN:** 9780933029330 (Chiron 1990)
 **Status:** ⬜ not searched yet
 
 ## Russian editions