Complete Phase III personhood (SOUL-WP-0004)

Map descriptive personhood dimensions P1–P12, four kinds of personhood, and
Character/Persona/Actor separations. Support H2/H8, judge TE-06, write
phase-iii-personhood-synthesis.md, finish SOUL-WP-0004, and mark SOUL-WP-0005
ready.

concepts/persona.md

@@ -1,19 +1,36 @@
 # Persona
 
-**Status:** provisional  
-**See also:** H8, TE-06
+**Status:** revised (Phase III, 2026-08-12)  
+**See also:** H8, TE-06, `research/character-persona/character-persona-performance-map.md`
 
 ## Working definition
 
-A **Persona** is the situated presentation of a Being within a particular context,
-purpose, role, and relationship.
+A **Persona** is the situated presentation of a Being (or APE) within a particular
+context, purpose, role, and relationship.
 
-Historical root: *persona* as mask.
+Historical root: *persona* as **mask**.
 
 **Persona = projection of a Being into context**
 
-A single Being can manifest many Personae while retaining identity continuity.
+Selects capabilities, knowledge, memories, role, style, disclosure boundaries,
+and manifestation surface for *this* interaction ecology.
 
-## Stack reminder
+## Stack
 
+```text
 Being ≠ Persona ≠ Character ≠ Actor
+```
+
+One Being can sustain many Personae without identity fragmentation when continuity
+and integration hold (**H8**).
+
+## Failure modes
+
+- Isolated persona memory/commitment islands → fragment risk  
+- Mask presented as separate Being → misrecognition  
+- Product “persona” reified as ontology → category error  
+
+## Sources
+
+Goffman presentation of self; role theory; avatar/virtual identity studies;
+Introduction §12; TE-06.